What is the PM10 level in Connecticut, USA at the moment?

The PM10 concentration in Connecticut, USA is 40.962 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Connecticut, USA at the moment?

Currently, Connecticut, USA has a sulfur dioxide (SO2) concentration of 0.571 ppb.

What is the ozone (O3) level in Connecticut, USA at the moment?

The current ozone (O3) level in Connecticut, USA at the moment is 37.739 ppm.

What is the nitrogen dioxide (NO2) level in Connecticut, USA at the moment?

Nitrogen dioxide (NO2) level in Connecticut, USA at the moment is 15.422 ppb.

Live air quality index in Connecticut, USA today

Name: Live air pollution levels in Connecticut, USA today
Creator: Ambee

Stay updated with real-time air quality in Connecticut, USA featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Moderate

Connecticut, USA

Last updated: ... (Local time)

Major air pollutants in Connecticut, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.49 μg/m³

155

255

425

605+

Ozone (O₃)

26.43 ppb

201

201+

Sulfur Dioxide (SO₂)

0.31 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.22 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Connecticut, USA

Get Live Pollen Counts

Connecticut, USA

Scroll To Air Quality Map

Track live Connecticut, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T11:00:00.000Z	69 \| moderate	18.869 \| fine	34.277 \| good	21.91 \| good	0.267 \| good	8.886 \| good	0.319 \| good
2025-07-28T12:00:00.000Z	64 \| moderate	16.401 \| fine	30.787 \| good	23.038 \| good	0.347 \| good	8.958 \| good	0.269 \| good
2025-07-28T13:00:00.000Z	60 \| moderate	13.905 \| fine	24.756 \| good	22.289 \| good	0.303 \| good	7.062 \| good	0.27 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.918 \| fine	24.848 \| good	24.97 \| good	0.296 \| good	4.266 \| good	0.27 \| good
2025-07-28T15:00:00.000Z	52 \| moderate	10.242 \| good	19.348 \| good	22.958 \| good	0.248 \| good	3.599 \| good	0.242 \| good
2025-07-28T16:00:00.000Z	49 \| good	9.485 \| good	15.15 \| good	27.619 \| good	0.321 \| good	3.101 \| good	0.17 \| good
2025-07-28T17:00:00.000Z	49 \| good	9.32 \| good	15.237 \| good	30.353 \| good	0.336 \| good	3.627 \| good	0.17 \| good
2025-07-28T18:00:00.000Z	49 \| good	9.295 \| good	14.566 \| good	35.766 \| good	0.544 \| good	7.547 \| good	0.207 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.294 \| good	14.559 \| good	34.254 \| good	0.249 \| good	5.22 \| good	0.17 \| good
2025-07-28T20:00:00.000Z	49 \| good	9.136 \| good	14.771 \| good	39.172 \| good	0.341 \| good	5.764 \| good	0.208 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.009 \| good	14.807 \| good	37.348 \| good	0.282 \| good	2.041 \| good	0.223 \| good
2025-07-28T22:00:00.000Z	52 \| moderate	9.519 \| good	14.946 \| good	36.983 \| good	0.215 \| good	2.058 \| good	0.223 \| good
2025-07-28T23:00:00.000Z	52 \| moderate	10.144 \| good	15.722 \| good	42.892 \| good	0.255 \| good	7.848 \| good	0.208 \| good
2025-07-29T00:00:00.000Z	54 \| moderate	10.88 \| good	16.535 \| good	37.981 \| good	0.322 \| good	6.628 \| good	0.252 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	10.89 \| good	16.607 \| good	38.944 \| good	0.281 \| good	3.607 \| good	0.244 \| good
2025-07-29T02:00:00.000Z	58 \| moderate	12.535 \| fine	19.901 \| good	39.451 \| good	0.37 \| good	10.275 \| good	0.259 \| good
2025-07-29T03:00:00.000Z	58 \| moderate	12.988 \| fine	20.004 \| good	36.637 \| good	0.467 \| good	12.304 \| good	0.311 \| good
2025-07-29T04:00:00.000Z	58 \| moderate	13.317 \| fine	20.832 \| good	34.144 \| good	0.381 \| good	10.279 \| good	0.319 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	13.394 \| fine	21.537 \| good	30.852 \| good	0.886 \| good	14.024 \| good	0.38 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.935 \| fine	21.739 \| good	30.306 \| good	0.708 \| good	13.392 \| good	0.291 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.036 \| fine	22.169 \| good	14.574 \| good	0.69 \| good	14.258 \| good	0.372 \| good
2025-07-29T08:00:00.000Z	60 \| moderate	14.14 \| fine	22.728 \| good	24.969 \| good	0.661 \| good	12.866 \| good	0.372 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	14.161 \| fine	21.869 \| good	17.447 \| good	0.652 \| good	12.921 \| good	0.291 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	14.276 \| fine	22.995 \| good	16.913 \| good	0.351 \| good	11.974 \| good	0.36 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	14.31 \| fine	22.745 \| good	16.905 \| good	0.315 \| good	10.9 \| good	0.399 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	14.333 \| fine	23.004 \| good	15.48 \| good	0.261 \| good	15.242 \| good	0.455 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	14.397 \| fine	23.616 \| good	17.203 \| good	0.361 \| good	12.229 \| good	0.49 \| good
2025-07-29T14:00:00.000Z	62 \| moderate	15.159 \| fine	35.071 \| good	20.005 \| good	0.455 \| good	12.25 \| good	0.375 \| good
2025-07-29T15:00:00.000Z	62 \| moderate	14.515 \| fine	27.658 \| good	25.151 \| good	0.764 \| good	10.736 \| good	0.39 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.734 \| fine	24.148 \| good	30.703 \| good	0.736 \| good	8.189 \| good	0.339 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	12.814 \| fine	21.52 \| good	35.439 \| good	0.596 \| good	6.351 \| good	0.323 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	12.56 \| fine	21.86 \| good	38.602 \| good	0.53 \| good	6.796 \| good	0.434 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12 \| good	19.844 \| good	43.88 \| good	0.497 \| good	8.493 \| good	0.305 \| good
2025-07-29T20:00:00.000Z	54 \| moderate	11.206 \| good	19.145 \| good	43.466 \| good	0.588 \| good	15.499 \| good	0.285 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	10.668 \| good	18.684 \| good	46.062 \| good	0.631 \| good	13.887 \| good	0.254 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.258 \| good	18.204 \| good	47.161 \| good	0.871 \| good	2.886 \| good	0.254 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.156 \| good	18.072 \| good	45.083 \| good	0.931 \| good	2.843 \| good	0.276 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	10.139 \| good	17.579 \| good	41.306 \| good	0.868 \| good	4.189 \| good	0.267 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	10.212 \| good	18.123 \| good	49.285 \| good	0.568 \| good	4.258 \| good	0.223 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.634 \| good	19.184 \| good	39.529 \| good	0.691 \| good	7.771 \| good	0.267 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	18.213 \| fine	80.525 \| fine	28.55 \| good	0.662 \| good	9.112 \| good	0.263 \| good
2025-07-30T04:00:00.000Z	56 \| moderate	12.008 \| good	20.23 \| good	36.265 \| good	0.465 \| good	20.383 \| good	0.23 \| good
2025-07-30T05:00:00.000Z	56 \| moderate	11.746 \| good	20.274 \| good	42.778 \| good	0.52 \| good	18.169 \| good	0.236 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	11.396 \| good	19.192 \| good	41.563 \| good	0.431 \| good	15.098 \| good	0.245 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	11.167 \| good	18.335 \| good	36.664 \| good	0.302 \| good	12.968 \| good	0.229 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.911 \| good	17.385 \| good	37.585 \| good	0.284 \| good	14.367 \| good	0.229 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.487 \| good	17.161 \| good	24.145 \| good	0.224 \| good	11.165 \| good	0.208 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	12.439 \| fine	32.494 \| good	26.428 \| good	0.307 \| good	12.779 \| good	0.219 \| good
2025-07-30T08:00:00.000Z	73 \| moderate	20.885 \| fine	92.154 \| fine	21.652 \| good	0.604 \| good	5.432 \| good	0.22 \| good
2025-07-30T09:00:00.000Z	75 \| moderate	22.236 \| fine	96.942 \| fine	20.326 \| good	0.592 \| good	4.469 \| good	0.206 \| good
2025-07-30T10:00:00.000Z	75 \| moderate	21.685 \| fine	94.934 \| fine	18.091 \| good	0.591 \| good	4.267 \| good	0.208 \| good
2025-07-30T11:00:00.000Z	82 \| moderate	25.887 \| fine	113.053 \| fine	20.778 \| good	0.59 \| good	4.065 \| good	0.21 \| good
2025-07-30T12:00:00.000Z	77 \| moderate	23.09 \| fine	101.156 \| fine	28.574 \| good	0.589 \| good	3.863 \| good	0.212 \| good
2025-07-30T13:00:00.000Z	75 \| moderate	21.659 \| fine	94.786 \| fine	35.202 \| good	0.541 \| good	3.026 \| good	0.2 \| good
2025-07-30T14:00:00.000Z	67 \| moderate	18.31 \| fine	81.066 \| fine	38.99 \| good	0.493 \| good	2.188 \| good	0.189 \| good
2025-07-30T15:00:00.000Z	69 \| moderate	18.957 \| fine	83.43 \| fine	42.783 \| good	0.444 \| good	1.35 \| good	0.177 \| good
2025-07-30T16:00:00.000Z	71 \| moderate	19.762 \| fine	87 \| fine	47.903 \| good	0.492 \| good	1.198 \| good	0.176 \| good
2025-07-30T17:00:00.000Z	71 \| moderate	20.119 \| fine	88.664 \| fine	52.201 \| good	0.54 \| good	1.045 \| good	0.176 \| good
2025-07-30T18:00:00.000Z	67 \| moderate	18.411 \| fine	81.533 \| fine	52.786 \| good	0.588 \| good	0.893 \| good	0.175 \| good
2025-07-30T19:00:00.000Z	62 \| moderate	14.758 \| fine	66.219 \| fine	53.55 \| good	0.546 \| good	0.944 \| good	0.174 \| good
2025-07-30T20:00:00.000Z	67 \| moderate	18.289 \| fine	81.321 \| fine	58.87 \| fine	0.504 \| good	0.996 \| good	0.173 \| good
2025-07-30T21:00:00.000Z	71 \| moderate	20.189 \| fine	88.491 \| fine	57.782 \| fine	0.462 \| good	1.048 \| good	0.172 \| good
2025-07-30T22:00:00.000Z	66 \| moderate	17.21 \| fine	76.689 \| fine	48.348 \| good	0.47 \| good	2.463 \| good	0.189 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	20.326 \| fine	89.536 \| fine	45.344 \| good	0.478 \| good	3.879 \| good	0.206 \| good
2025-07-31T00:00:00.000Z	73 \| moderate	21.015 \| fine	92.031 \| fine	46.067 \| good	0.486 \| good	5.295 \| good	0.223 \| good
2025-07-31T01:00:00.000Z	67 \| moderate	18.08 \| fine	80.033 \| fine	44.911 \| good	0.524 \| good	5.55 \| good	0.229 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	16.977 \| fine	75.666 \| fine	46.126 \| good	0.561 \| good	5.806 \| good	0.236 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	16.889 \| fine	75.242 \| fine	42.306 \| good	0.598 \| good	6.061 \| good	0.242 \| good
2025-07-31T04:00:00.000Z	66 \| moderate	16.841 \| fine	75.007 \| fine	37.679 \| good	0.672 \| good	5.191 \| good	0.234 \| good
2025-07-31T05:00:00.000Z	66 \| moderate	16.841 \| fine	74.905 \| fine	34.142 \| good	0.745 \| good	4.321 \| good	0.226 \| good
2025-07-31T06:00:00.000Z	69 \| moderate	19.232 \| fine	85.13 \| fine	30.486 \| good	0.819 \| good	3.45 \| good	0.217 \| good
2025-07-31T07:00:00.000Z	67 \| moderate	18.315 \| fine	81.34 \| fine	29.474 \| good	0.819 \| good	3.173 \| good	0.211 \| good
2025-07-31T08:00:00.000Z	66 \| moderate	17.38 \| fine	76.961 \| fine	28.102 \| good	0.819 \| good	2.895 \| good	0.204 \| good
2025-07-31T09:00:00.000Z	66 \| moderate	16.599 \| fine	73.43 \| fine	27.325 \| good	0.818 \| good	2.617 \| good	0.198 \| good
2025-07-31T10:00:00.000Z	62 \| moderate	15.426 \| fine	68.949 \| fine	25.418 \| good	0.754 \| good	2.454 \| good	0.199 \| good
2025-07-31T11:00:00.000Z	67 \| moderate	17.678 \| fine	78.24 \| fine	26.356 \| good	0.69 \| good	2.292 \| good	0.2 \| good
2025-07-31T12:00:00.000Z	66 \| moderate	17.088 \| fine	75.818 \| fine	28.05 \| good	0.626 \| good	2.129 \| good	0.201 \| good
2025-07-31T13:00:00.000Z	66 \| moderate	17.299 \| fine	77.057 \| fine	29.335 \| good	0.589 \| good	2.136 \| good	0.201 \| good
2025-07-31T14:00:00.000Z	66 \| moderate	16.508 \| fine	72.874 \| fine	31.715 \| good	0.552 \| good	2.142 \| good	0.201 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.99 \| fine	79 \| fine	33.565 \| good	0.515 \| good	2.148 \| good	0.2 \| good
2025-07-31T16:00:00.000Z	67 \| moderate	18.111 \| fine	79.729 \| fine	32.931 \| good	0.534 \| good	1.985 \| good	0.201 \| good
2025-07-31T17:00:00.000Z	71 \| moderate	20.132 \| fine	88.23 \| fine	30.544 \| good	0.552 \| good	1.823 \| good	0.201 \| good
2025-07-31T18:00:00.000Z	73 \| moderate	20.62 \| fine	90.689 \| fine	29.367 \| good	0.57 \| good	1.661 \| good	0.202 \| good
2025-07-31T19:00:00.000Z	69 \| moderate	19.2 \| fine	85.053 \| fine	28.414 \| good	0.566 \| good	2.137 \| good	0.207 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.419 \| fine	85.729 \| fine	28.346 \| good	0.562 \| good	2.613 \| good	0.213 \| good
2025-07-31T21:00:00.000Z	71 \| moderate	19.984 \| fine	87.676 \| fine	28.376 \| good	0.558 \| good	3.088 \| good	0.218 \| good
2025-07-31T22:00:00.000Z	67 \| moderate	18.464 \| fine	81.323 \| fine	26.99 \| good	0.555 \| good	3.762 \| good	0.225 \| good
2025-07-31T23:00:00.000Z	66 \| moderate	17.459 \| fine	77.272 \| fine	24.504 \| good	0.551 \| good	4.435 \| good	0.231 \| good
2025-08-01T00:00:00.000Z	69 \| moderate	19.017 \| fine	83.66 \| fine	26.999 \| good	0.547 \| good	5.109 \| good	0.237 \| good
2025-08-01T01:00:00.000Z	67 \| moderate	18.308 \| fine	81.115 \| fine	26.5 \| good	0.581 \| good	5.008 \| good	0.243 \| good
2025-08-01T02:00:00.000Z	69 \| moderate	18.972 \| fine	83.92 \| fine	25.276 \| good	0.615 \| good	4.906 \| good	0.249 \| good
2025-08-01T03:00:00.000Z	75 \| moderate	22.263 \| fine	97.732 \| fine	23.471 \| good	0.649 \| good	4.805 \| good	0.255 \| good
2025-08-01T04:00:00.000Z	77 \| moderate	22.86 \| fine	100.031 \| fine	22.799 \| good	0.613 \| good	4.488 \| good	0.255 \| good
2025-08-01T05:00:00.000Z	71 \| moderate	20.229 \| fine	88.81 \| fine	22.543 \| good	0.577 \| good	4.171 \| good	0.256 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.669 \| good	10.795 \| good	35.394 \| good	0.541 \| good	3.854 \| good	0.256 \| good
2025-08-01T07:00:00.000Z	71 \| moderate	20.196 \| fine	89.136 \| fine	23.198 \| good	0.533 \| good	3.453 \| good	0.245 \| good

Connecticut

Get reliable air quality data to drive your business

Connecticut, USA air quality map: Stay updated on AQI near you

Air quality in cities of Connecticut, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Berlin, Connecticut	49 Good	8.86μg/m³ Good	25.10μg/m³ Good	19.21ppb Good	0.25ppb Good	14.72ppb Good	0.26ppm Good
Bethel, Connecticut	54 Moderate	10.95μg/m³ Good	19.57μg/m³ Good	11.43ppb Good	0.73ppb Good	12.15ppb Good	0.23ppm Good
Ansonia, Connecticut	62 Moderate	15.42μg/m³ Fine	36.66μg/m³ Good	26.99ppb Good	0.41ppb Good	12.98ppb Good	0.22ppm Good
Avon, Connecticut	56 Moderate	11.74μg/m³ Good	24.54μg/m³ Good	20.11ppb Good	0.22ppb Good	14.65ppb Good	0.27ppm Good
Bloomfield, Connecticut	58 Moderate	13.09μg/m³ Fine	22.93μg/m³ Good	19.59ppb Good	0.22ppb Good	15.30ppb Good	0.29ppm Good
Bristol, Connecticut	54 Moderate	10.84μg/m³ Good	30.43μg/m³ Good	41.30ppb Good	0.24ppb Good	14.64ppb Good	0.24ppm Good
Brookfield, Connecticut	54 Moderate	10.99μg/m³ Good	20.80μg/m³ Good	12.56ppb Good	0.70ppb Good	12.28ppb Good	0.23ppm Good
Canton, Connecticut	56 Moderate	11.60μg/m³ Good	26.23μg/m³ Good	40.96ppb Good	0.21ppb Good	11.44ppb Good	0.25ppm Good
Cheshire, Connecticut	62 Moderate	14.84μg/m³ Fine	36.90μg/m³ Good	32.35ppb Good	0.29ppb Good	14.59ppb Good	0.23ppm Good
Branford, Connecticut	67 Moderate	18.32μg/m³ Fine	36.09μg/m³ Good	37.92ppb Good	0.37ppb Good	16.86ppb Good	0.21ppm Good
Bridgeport, Connecticut	60 Moderate	13.67μg/m³ Fine	21.58μg/m³ Good	28.01ppb Good	0.61ppb Good	12.16ppb Good	0.23ppm Good
Darien, Connecticut	58 Moderate	13.40μg/m³ Fine	66.25μg/m³ Fine	26.20ppb Good	1.37ppb Good	14.64ppb Good	0.27ppm Good
East Windsor, Connecticut	54 Moderate	11.27μg/m³ Good	32.76μg/m³ Good	25.21ppb Good	0.19ppb Good	10.46ppb Good	0.26ppm Good
Clinton, Connecticut	66 Moderate	16.93μg/m³ Fine	64.89μg/m³ Fine	34.45ppb Good	0.31ppb Good	11.53ppb Good	0.24ppm Good
East Hampton, Connecticut	54 Moderate	10.53μg/m³ Good	50.56μg/m³ Good	25.79ppb Good	0.26ppb Good	10.03ppb Good	0.25ppm Good
Cromwell, Connecticut	58 Moderate	13.49μg/m³ Fine	46.04μg/m³ Good	35.86ppb Good	0.26ppb Good	12.29ppb Good	0.26ppm Good
East Lyme, Connecticut	56 Moderate	12.07μg/m³ Hazardous	28.09μg/m³ Good	42.84ppb Good	0.29ppb Good	9.57ppb Good	0.24ppm Good
Danbury, Connecticut	54 Moderate	10.62μg/m³ Good	17.17μg/m³ Good	10.06ppb Good	0.73ppb Good	12.07ppb Good	0.23ppm Good
Coventry, Connecticut	49 Good	8.90μg/m³ Good	36.15μg/m³ Good	33.10ppb Good	0.23ppb Good	8.26ppb Good	0.25ppm Good
Derby, Connecticut	62 Moderate	15.42μg/m³ Fine	36.66μg/m³ Good	26.99ppb Good	0.41ppb Good	12.98ppb Good	0.22ppm Good
East Haven, Connecticut	69 Moderate	19.09μg/m³ Fine	31.40μg/m³ Good	37.23ppb Good	0.37ppb Good	18.14ppb Good	0.20ppm Good
Colchester, Connecticut	62 Moderate	14.75μg/m³ Fine	34.41μg/m³ Good	26.68ppb Good	0.27ppb Good	13.53ppb Good	0.25ppm Good
Shelton, Connecticut	62 Moderate	15.42μg/m³ Fine	36.66μg/m³ Good	26.99ppb Good	0.41ppb Good	12.98ppb Good	0.22ppm Good
East Hartford, Connecticut	62 Moderate	15.07μg/m³ Fine	24.00μg/m³ Good	22.62ppb Good	0.22ppb Good	15.04ppb Good	0.28ppm Good
Fairfield, Connecticut	62 Moderate	14.62μg/m³ Fine	37.31μg/m³ Good	28.88ppb Good	0.78ppb Good	12.88ppb Good	0.23ppm Good
Enfield, Connecticut	52 Moderate	9.60μg/m³ Good	31.74μg/m³ Good	32.44ppb Good	0.16ppb Good	11.16ppb Good	0.26ppm Good
Ellington, Connecticut	56 Moderate	12.45μg/m³ Fine	31.85μg/m³ Good	30.29ppb Good	0.18ppb Good	13.27ppb Good	0.26ppm Good
Farmington, Connecticut	58 Moderate	12.54μg/m³ Fine	26.58μg/m³ Good	30.89ppb Good	0.23ppb Good	14.63ppb Good	0.26ppm Good
Griswold, Connecticut	58 Moderate	12.24μg/m³ Fine	69.02μg/m³ Fine	29.43ppb Good	0.36ppb Good	12.98ppb Good	0.26ppm Good
Granby, Connecticut	58 Moderate	12.80μg/m³ Fine	30.77μg/m³ Good	24.47ppb Good	0.16ppb Good	9.46ppb Good	0.25ppm Good
Guilford, Connecticut	66 Moderate	16.71μg/m³ Fine	71.69μg/m³ Fine	38.95ppb Good	0.33ppb Good	14.33ppb Good	0.23ppm Good
Greenwich, Connecticut	64 Moderate	15.63μg/m³ Fine	66.48μg/m³ Fine	29.61ppb Good	1.98ppb Good	20.78ppb Good	0.28ppm Good
Groton, Connecticut	58 Moderate	12.50μg/m³ Fine	19.23μg/m³ Good	51.81ppb Good	0.30ppb Good	14.93ppb Good	0.25ppm Good
Hamden, Connecticut	66 Moderate	17.36μg/m³ Fine	29.57μg/m³ Good	37.42ppb Good	0.38ppb Good	16.95ppb Good	0.21ppm Good
Hartford, Connecticut	56 Moderate	11.81μg/m³ Good	19.30μg/m³ Good	16.01ppb Good	0.22ppb Good	15.66ppb Good	0.30ppm Good
Glastonbury, Connecticut	60 Moderate	14.15μg/m³ Fine	31.76μg/m³ Good	27.03ppb Good	0.23ppb Good	14.02ppb Good	0.28ppm Good
New London, Connecticut	58 Moderate	12.50μg/m³ Fine	19.23μg/m³ Good	51.81ppb Good	0.30ppb Good	14.93ppb Good	0.25ppm Good
Ledyard, Connecticut	56 Moderate	11.94μg/m³ Good	25.21μg/m³ Good	44.53ppb Good	0.33ppb Good	14.96ppb Good	0.25ppm Good
Killingly, Connecticut	49 Good	8.97μg/m³ Good	50.45μg/m³ Good	30.13ppb Good	0.36ppb Good	15.13ppb Good	0.29ppm Good
Meriden, Connecticut	62 Moderate	14.64μg/m³ Fine	38.18μg/m³ Good	33.54ppb Good	0.28ppb Good	14.77ppb Good	0.25ppm Good
Madison, Connecticut	66 Moderate	16.73μg/m³ Fine	62.74μg/m³ Fine	34.47ppb Good	0.31ppb Good	11.78ppb Good	0.24ppm Good
Manchester, Connecticut	60 Moderate	14.43μg/m³ Fine	26.55μg/m³ Good	15.09ppb Good	0.21ppb Good	10.82ppb Good	0.27ppm Good
Mansfield, Connecticut	49 Good	8.52μg/m³ Good	27.00μg/m³ Good	41.67ppb Good	0.23ppb Good	7.96ppb Good	0.25ppm Good
Milford, Connecticut	64 Moderate	16.42μg/m³ Fine	37.35μg/m³ Good	39.08ppb Good	0.73ppb Good	13.13ppb Good	0.23ppm Good
Middletown, Connecticut	58 Moderate	13.33μg/m³ Fine	49.38μg/m³ Good	38.14ppb Good	0.27ppb Good	11.81ppb Good	0.25ppm Good
Newtown, Connecticut	54 Moderate	10.83μg/m³ Good	26.95μg/m³ Good	26.24ppb Good	0.37ppb Good	12.25ppb Good	0.23ppm Good
North Haven, Connecticut	67 Moderate	17.96μg/m³ Fine	32.79μg/m³ Good	37.55ppb Good	0.36ppb Good	17.09ppb Good	0.21ppm Good
Norwalk, Connecticut	64 Moderate	15.66μg/m³ Fine	64.52μg/m³ Fine	25.32ppb Good	1.13ppb Good	15.28ppb Good	0.24ppm Good
New Fairfield, Connecticut	54 Moderate	10.87μg/m³ Good	23.10μg/m³ Good	11.80ppb Good	0.65ppb Good	12.14ppb Good	0.24ppm Good
New Milford, Connecticut	56 Moderate	11.62μg/m³ Good	33.54μg/m³ Good	25.27ppb Good	0.20ppb Good	14.39ppb Good	0.23ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.28ppm

How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How often is air quality information updated for Connecticut, USA?

The air quality information for Connecticut, USA is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Connecticut, USA at its worst?

In the past 24 hours, the air quality in Connecticut, USA was at its worst at 03:00:00 on 2025-07-30.

When did Connecticut, USA experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Connecticut, USA was observed at 01:00:00 on 2025-07-30.

What is the AQI in Connecticut, USA right now?

As of now, the AQI in Connecticut, USA is 60, indicating Moderate conditions.

What is the most common type of pollution in Connecticut, USA?

Connecticut, USA air has the highest levels of PM2.5.

What should I do in case of poor air quality in Connecticut, USA?

Poor air quality in Connecticut, USA means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Connecticut, USA at the moment?

PM_2.5 levels in Connecticut, USA are currently 13.715 μg/m³.

What is the PM₁₀ level in Connecticut, USA at the moment?

The PM₁₀ concentration in Connecticut, USA is 40.962 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Connecticut, USA at the moment?

The current carbon monoxide (CO) concentration in Connecticut, USA is 0.264 ppm.

What is the sulfur dioxide (SO₂) level in Connecticut, USA at the moment?

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.571 ppb.

What is the ozone (O₃) level in Connecticut, USA at the moment?

The current ozone (O₃) level in Connecticut, USA at the moment is 37.739 ppm.

What is the nitrogen dioxide (NO₂) level in Connecticut, USA at the moment?

Nitrogen dioxide (NO₂) level in Connecticut, USA at the moment is 15.422 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-28T11:00:00.000Z	69 \| moderate	18.869 \| fine	34.277 \| good	21.91 \| good	0.267 \| good	8.886 \| good	0.319 \| good
2025-07-28T12:00:00.000Z	64 \| moderate	16.401 \| fine	30.787 \| good	23.038 \| good	0.347 \| good	8.958 \| good	0.269 \| good
2025-07-28T13:00:00.000Z	60 \| moderate	13.905 \| fine	24.756 \| good	22.289 \| good	0.303 \| good	7.062 \| good	0.27 \| good
2025-07-28T14:00:00.000Z	60 \| moderate	13.918 \| fine	24.848 \| good	24.97 \| good	0.296 \| good	4.266 \| good	0.27 \| good
2025-07-28T15:00:00.000Z	52 \| moderate	10.242 \| good	19.348 \| good	22.958 \| good	0.248 \| good	3.599 \| good	0.242 \| good
2025-07-28T16:00:00.000Z	49 \| good	9.485 \| good	15.15 \| good	27.619 \| good	0.321 \| good	3.101 \| good	0.17 \| good
2025-07-28T17:00:00.000Z	49 \| good	9.32 \| good	15.237 \| good	30.353 \| good	0.336 \| good	3.627 \| good	0.17 \| good
2025-07-28T18:00:00.000Z	49 \| good	9.295 \| good	14.566 \| good	35.766 \| good	0.544 \| good	7.547 \| good	0.207 \| good
2025-07-28T19:00:00.000Z	49 \| good	9.294 \| good	14.559 \| good	34.254 \| good	0.249 \| good	5.22 \| good	0.17 \| good
2025-07-28T20:00:00.000Z	49 \| good	9.136 \| good	14.771 \| good	39.172 \| good	0.341 \| good	5.764 \| good	0.208 \| good
2025-07-28T21:00:00.000Z	49 \| good	9.009 \| good	14.807 \| good	37.348 \| good	0.282 \| good	2.041 \| good	0.223 \| good
2025-07-28T22:00:00.000Z	52 \| moderate	9.519 \| good	14.946 \| good	36.983 \| good	0.215 \| good	2.058 \| good	0.223 \| good
2025-07-28T23:00:00.000Z	52 \| moderate	10.144 \| good	15.722 \| good	42.892 \| good	0.255 \| good	7.848 \| good	0.208 \| good
2025-07-29T00:00:00.000Z	54 \| moderate	10.88 \| good	16.535 \| good	37.981 \| good	0.322 \| good	6.628 \| good	0.252 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	10.89 \| good	16.607 \| good	38.944 \| good	0.281 \| good	3.607 \| good	0.244 \| good
2025-07-29T02:00:00.000Z	58 \| moderate	12.535 \| fine	19.901 \| good	39.451 \| good	0.37 \| good	10.275 \| good	0.259 \| good
2025-07-29T03:00:00.000Z	58 \| moderate	12.988 \| fine	20.004 \| good	36.637 \| good	0.467 \| good	12.304 \| good	0.311 \| good
2025-07-29T04:00:00.000Z	58 \| moderate	13.317 \| fine	20.832 \| good	34.144 \| good	0.381 \| good	10.279 \| good	0.319 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	13.394 \| fine	21.537 \| good	30.852 \| good	0.886 \| good	14.024 \| good	0.38 \| good
2025-07-29T06:00:00.000Z	60 \| moderate	13.935 \| fine	21.739 \| good	30.306 \| good	0.708 \| good	13.392 \| good	0.291 \| good
2025-07-29T07:00:00.000Z	60 \| moderate	14.036 \| fine	22.169 \| good	14.574 \| good	0.69 \| good	14.258 \| good	0.372 \| good
2025-07-29T08:00:00.000Z	60 \| moderate	14.14 \| fine	22.728 \| good	24.969 \| good	0.661 \| good	12.866 \| good	0.372 \| good
2025-07-29T09:00:00.000Z	60 \| moderate	14.161 \| fine	21.869 \| good	17.447 \| good	0.652 \| good	12.921 \| good	0.291 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	14.276 \| fine	22.995 \| good	16.913 \| good	0.351 \| good	11.974 \| good	0.36 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	14.31 \| fine	22.745 \| good	16.905 \| good	0.315 \| good	10.9 \| good	0.399 \| good
2025-07-29T12:00:00.000Z	60 \| moderate	14.333 \| fine	23.004 \| good	15.48 \| good	0.261 \| good	15.242 \| good	0.455 \| good
2025-07-29T13:00:00.000Z	60 \| moderate	14.397 \| fine	23.616 \| good	17.203 \| good	0.361 \| good	12.229 \| good	0.49 \| good
2025-07-29T14:00:00.000Z	62 \| moderate	15.159 \| fine	35.071 \| good	20.005 \| good	0.455 \| good	12.25 \| good	0.375 \| good
2025-07-29T15:00:00.000Z	62 \| moderate	14.515 \| fine	27.658 \| good	25.151 \| good	0.764 \| good	10.736 \| good	0.39 \| good
2025-07-29T16:00:00.000Z	60 \| moderate	13.734 \| fine	24.148 \| good	30.703 \| good	0.736 \| good	8.189 \| good	0.339 \| good
2025-07-29T17:00:00.000Z	58 \| moderate	12.814 \| fine	21.52 \| good	35.439 \| good	0.596 \| good	6.351 \| good	0.323 \| good
2025-07-29T18:00:00.000Z	58 \| moderate	12.56 \| fine	21.86 \| good	38.602 \| good	0.53 \| good	6.796 \| good	0.434 \| good
2025-07-29T19:00:00.000Z	56 \| moderate	12 \| good	19.844 \| good	43.88 \| good	0.497 \| good	8.493 \| good	0.305 \| good
2025-07-29T20:00:00.000Z	54 \| moderate	11.206 \| good	19.145 \| good	43.466 \| good	0.588 \| good	15.499 \| good	0.285 \| good
2025-07-29T21:00:00.000Z	54 \| moderate	10.668 \| good	18.684 \| good	46.062 \| good	0.631 \| good	13.887 \| good	0.254 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.258 \| good	18.204 \| good	47.161 \| good	0.871 \| good	2.886 \| good	0.254 \| good
2025-07-29T23:00:00.000Z	52 \| moderate	10.156 \| good	18.072 \| good	45.083 \| good	0.931 \| good	2.843 \| good	0.276 \| good
2025-07-30T00:00:00.000Z	52 \| moderate	10.139 \| good	17.579 \| good	41.306 \| good	0.868 \| good	4.189 \| good	0.267 \| good
2025-07-30T01:00:00.000Z	52 \| moderate	10.212 \| good	18.123 \| good	49.285 \| good	0.568 \| good	4.258 \| good	0.223 \| good
2025-07-30T02:00:00.000Z	54 \| moderate	10.634 \| good	19.184 \| good	39.529 \| good	0.691 \| good	7.771 \| good	0.267 \| good
2025-07-30T03:00:00.000Z	67 \| moderate	18.213 \| fine	80.525 \| fine	28.55 \| good	0.662 \| good	9.112 \| good	0.263 \| good
2025-07-30T04:00:00.000Z	56 \| moderate	12.008 \| good	20.23 \| good	36.265 \| good	0.465 \| good	20.383 \| good	0.23 \| good
2025-07-30T05:00:00.000Z	56 \| moderate	11.746 \| good	20.274 \| good	42.778 \| good	0.52 \| good	18.169 \| good	0.236 \| good
2025-07-30T06:00:00.000Z	54 \| moderate	11.396 \| good	19.192 \| good	41.563 \| good	0.431 \| good	15.098 \| good	0.245 \| good
2025-07-30T07:00:00.000Z	54 \| moderate	11.167 \| good	18.335 \| good	36.664 \| good	0.302 \| good	12.968 \| good	0.229 \| good
2025-07-30T08:00:00.000Z	54 \| moderate	10.911 \| good	17.385 \| good	37.585 \| good	0.284 \| good	14.367 \| good	0.229 \| good
2025-07-30T09:00:00.000Z	52 \| moderate	10.487 \| good	17.161 \| good	24.145 \| good	0.224 \| good	11.165 \| good	0.208 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	12.439 \| fine	32.494 \| good	26.428 \| good	0.307 \| good	12.779 \| good	0.219 \| good
2025-07-30T08:00:00.000Z	73 \| moderate	20.885 \| fine	92.154 \| fine	21.652 \| good	0.604 \| good	5.432 \| good	0.22 \| good
2025-07-30T09:00:00.000Z	75 \| moderate	22.236 \| fine	96.942 \| fine	20.326 \| good	0.592 \| good	4.469 \| good	0.206 \| good
2025-07-30T10:00:00.000Z	75 \| moderate	21.685 \| fine	94.934 \| fine	18.091 \| good	0.591 \| good	4.267 \| good	0.208 \| good
2025-07-30T11:00:00.000Z	82 \| moderate	25.887 \| fine	113.053 \| fine	20.778 \| good	0.59 \| good	4.065 \| good	0.21 \| good
2025-07-30T12:00:00.000Z	77 \| moderate	23.09 \| fine	101.156 \| fine	28.574 \| good	0.589 \| good	3.863 \| good	0.212 \| good
2025-07-30T13:00:00.000Z	75 \| moderate	21.659 \| fine	94.786 \| fine	35.202 \| good	0.541 \| good	3.026 \| good	0.2 \| good
2025-07-30T14:00:00.000Z	67 \| moderate	18.31 \| fine	81.066 \| fine	38.99 \| good	0.493 \| good	2.188 \| good	0.189 \| good
2025-07-30T15:00:00.000Z	69 \| moderate	18.957 \| fine	83.43 \| fine	42.783 \| good	0.444 \| good	1.35 \| good	0.177 \| good
2025-07-30T16:00:00.000Z	71 \| moderate	19.762 \| fine	87 \| fine	47.903 \| good	0.492 \| good	1.198 \| good	0.176 \| good
2025-07-30T17:00:00.000Z	71 \| moderate	20.119 \| fine	88.664 \| fine	52.201 \| good	0.54 \| good	1.045 \| good	0.176 \| good
2025-07-30T18:00:00.000Z	67 \| moderate	18.411 \| fine	81.533 \| fine	52.786 \| good	0.588 \| good	0.893 \| good	0.175 \| good
2025-07-30T19:00:00.000Z	62 \| moderate	14.758 \| fine	66.219 \| fine	53.55 \| good	0.546 \| good	0.944 \| good	0.174 \| good
2025-07-30T20:00:00.000Z	67 \| moderate	18.289 \| fine	81.321 \| fine	58.87 \| fine	0.504 \| good	0.996 \| good	0.173 \| good
2025-07-30T21:00:00.000Z	71 \| moderate	20.189 \| fine	88.491 \| fine	57.782 \| fine	0.462 \| good	1.048 \| good	0.172 \| good
2025-07-30T22:00:00.000Z	66 \| moderate	17.21 \| fine	76.689 \| fine	48.348 \| good	0.47 \| good	2.463 \| good	0.189 \| good
2025-07-30T23:00:00.000Z	71 \| moderate	20.326 \| fine	89.536 \| fine	45.344 \| good	0.478 \| good	3.879 \| good	0.206 \| good
2025-07-31T00:00:00.000Z	73 \| moderate	21.015 \| fine	92.031 \| fine	46.067 \| good	0.486 \| good	5.295 \| good	0.223 \| good
2025-07-31T01:00:00.000Z	67 \| moderate	18.08 \| fine	80.033 \| fine	44.911 \| good	0.524 \| good	5.55 \| good	0.229 \| good
2025-07-31T02:00:00.000Z	66 \| moderate	16.977 \| fine	75.666 \| fine	46.126 \| good	0.561 \| good	5.806 \| good	0.236 \| good
2025-07-31T03:00:00.000Z	66 \| moderate	16.889 \| fine	75.242 \| fine	42.306 \| good	0.598 \| good	6.061 \| good	0.242 \| good
2025-07-31T04:00:00.000Z	66 \| moderate	16.841 \| fine	75.007 \| fine	37.679 \| good	0.672 \| good	5.191 \| good	0.234 \| good
2025-07-31T05:00:00.000Z	66 \| moderate	16.841 \| fine	74.905 \| fine	34.142 \| good	0.745 \| good	4.321 \| good	0.226 \| good
2025-07-31T06:00:00.000Z	69 \| moderate	19.232 \| fine	85.13 \| fine	30.486 \| good	0.819 \| good	3.45 \| good	0.217 \| good
2025-07-31T07:00:00.000Z	67 \| moderate	18.315 \| fine	81.34 \| fine	29.474 \| good	0.819 \| good	3.173 \| good	0.211 \| good
2025-07-31T08:00:00.000Z	66 \| moderate	17.38 \| fine	76.961 \| fine	28.102 \| good	0.819 \| good	2.895 \| good	0.204 \| good
2025-07-31T09:00:00.000Z	66 \| moderate	16.599 \| fine	73.43 \| fine	27.325 \| good	0.818 \| good	2.617 \| good	0.198 \| good
2025-07-31T10:00:00.000Z	62 \| moderate	15.426 \| fine	68.949 \| fine	25.418 \| good	0.754 \| good	2.454 \| good	0.199 \| good
2025-07-31T11:00:00.000Z	67 \| moderate	17.678 \| fine	78.24 \| fine	26.356 \| good	0.69 \| good	2.292 \| good	0.2 \| good
2025-07-31T12:00:00.000Z	66 \| moderate	17.088 \| fine	75.818 \| fine	28.05 \| good	0.626 \| good	2.129 \| good	0.201 \| good
2025-07-31T13:00:00.000Z	66 \| moderate	17.299 \| fine	77.057 \| fine	29.335 \| good	0.589 \| good	2.136 \| good	0.201 \| good
2025-07-31T14:00:00.000Z	66 \| moderate	16.508 \| fine	72.874 \| fine	31.715 \| good	0.552 \| good	2.142 \| good	0.201 \| good
2025-07-31T15:00:00.000Z	67 \| moderate	17.99 \| fine	79 \| fine	33.565 \| good	0.515 \| good	2.148 \| good	0.2 \| good
2025-07-31T16:00:00.000Z	67 \| moderate	18.111 \| fine	79.729 \| fine	32.931 \| good	0.534 \| good	1.985 \| good	0.201 \| good
2025-07-31T17:00:00.000Z	71 \| moderate	20.132 \| fine	88.23 \| fine	30.544 \| good	0.552 \| good	1.823 \| good	0.201 \| good
2025-07-31T18:00:00.000Z	73 \| moderate	20.62 \| fine	90.689 \| fine	29.367 \| good	0.57 \| good	1.661 \| good	0.202 \| good
2025-07-31T19:00:00.000Z	69 \| moderate	19.2 \| fine	85.053 \| fine	28.414 \| good	0.566 \| good	2.137 \| good	0.207 \| good
2025-07-31T20:00:00.000Z	69 \| moderate	19.419 \| fine	85.729 \| fine	28.346 \| good	0.562 \| good	2.613 \| good	0.213 \| good
2025-07-31T21:00:00.000Z	71 \| moderate	19.984 \| fine	87.676 \| fine	28.376 \| good	0.558 \| good	3.088 \| good	0.218 \| good
2025-07-31T22:00:00.000Z	67 \| moderate	18.464 \| fine	81.323 \| fine	26.99 \| good	0.555 \| good	3.762 \| good	0.225 \| good
2025-07-31T23:00:00.000Z	66 \| moderate	17.459 \| fine	77.272 \| fine	24.504 \| good	0.551 \| good	4.435 \| good	0.231 \| good
2025-08-01T00:00:00.000Z	69 \| moderate	19.017 \| fine	83.66 \| fine	26.999 \| good	0.547 \| good	5.109 \| good	0.237 \| good
2025-08-01T01:00:00.000Z	67 \| moderate	18.308 \| fine	81.115 \| fine	26.5 \| good	0.581 \| good	5.008 \| good	0.243 \| good
2025-08-01T02:00:00.000Z	69 \| moderate	18.972 \| fine	83.92 \| fine	25.276 \| good	0.615 \| good	4.906 \| good	0.249 \| good
2025-08-01T03:00:00.000Z	75 \| moderate	22.263 \| fine	97.732 \| fine	23.471 \| good	0.649 \| good	4.805 \| good	0.255 \| good
2025-08-01T04:00:00.000Z	77 \| moderate	22.86 \| fine	100.031 \| fine	22.799 \| good	0.613 \| good	4.488 \| good	0.255 \| good
2025-08-01T05:00:00.000Z	71 \| moderate	20.229 \| fine	88.81 \| fine	22.543 \| good	0.577 \| good	4.171 \| good	0.256 \| good
2025-08-01T06:00:00.000Z	54 \| moderate	10.669 \| good	10.795 \| good	35.394 \| good	0.541 \| good	3.854 \| good	0.256 \| good
2025-08-01T07:00:00.000Z	71 \| moderate	20.196 \| fine	89.136 \| fine	23.198 \| good	0.533 \| good	3.453 \| good	0.245 \| good

Live air quality index in Connecticut, USA today

Major air pollutants in Connecticut, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Connecticut, USA air quality forecast and history

Get reliable air quality data to drive your business

Connecticut, USA air quality map: Stay updated on AQI near you

Air quality in cities of Connecticut, USA

Air quality in nearby states

New York, USA

Rhode Island, USA

Massachusetts, USA

New Jersey, USA

New Hampshire, USA

Vermont, USA

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for Connecticut, USA?

What time in the last 24 hours was the air quality in Connecticut, USA at its worst?

When did Connecticut, USA experience the best air quality in the last 24 hours?

What is the AQI in Connecticut, USA right now?

What is the most common type of pollution in Connecticut, USA?

What should I do in case of poor air quality in Connecticut, USA?

What is the PM2.5 level in Connecticut, USA at the moment?

What is the PM10 level in Connecticut, USA at the moment?

What is the carbon monoxide (CO) level in Connecticut, USA at the moment?

What is the sulfur dioxide (SO2) level in Connecticut, USA at the moment?

What is the ozone (O3) level in Connecticut, USA at the moment?

What is the nitrogen dioxide (NO2) level in Connecticut, USA at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Connecticut, USA at the moment?

What is the PM₁₀ level in Connecticut, USA at the moment?

What is the sulfur dioxide (SO₂) level in Connecticut, USA at the moment?

What is the ozone (O₃) level in Connecticut, USA at the moment?

What is the nitrogen dioxide (NO₂) level in Connecticut, USA at the moment?