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

The PM10 concentration in Connecticut, USA is 49.089 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 0.466 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 13.246 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 23.733 ppb.

Live air quality index in Connecticut, USA today

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

PM2.5 levels in Connecticut, USA are currently 17.814 μg/m3.

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)

17.81 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

49.09 μg/m³

155

255

425

605+

Ozone (O₃)

13.25 ppb

201

201+

Sulfur Dioxide (SO₂)

0.47 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

23.73 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.61 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
2025-12-05T09:00:00.000Z	30 \| good	1.656 \| good	4.058 \| good	31.759 \| good	0.193 \| good	7.808 \| good	0.166 \| good
2025-12-05T10:00:00.000Z	31 \| good	1.923 \| good	4.895 \| good	32.676 \| good	0.193 \| good	9.277 \| good	0.146 \| good
2025-12-05T11:00:00.000Z	31 \| good	2.287 \| good	6.628 \| good	32.832 \| good	0.223 \| good	11.485 \| good	0.166 \| good
2025-12-05T12:00:00.000Z	27 \| good	2.847 \| good	8.378 \| good	28.683 \| good	0.23 \| good	17.059 \| good	0.232 \| good
2025-12-05T13:00:00.000Z	20 \| good	2.864 \| good	8.488 \| good	21.594 \| good	0.235 \| good	16.042 \| good	0.196 \| good
2025-12-05T14:00:00.000Z	22 \| good	3.598 \| good	11.121 \| good	22.335 \| good	0.309 \| good	10.204 \| good	0.247 \| good
2025-12-05T15:00:00.000Z	26 \| good	3.424 \| good	11.991 \| good	28.07 \| good	0.335 \| good	12.239 \| good	0.231 \| good
2025-12-05T16:00:00.000Z	28 \| good	3.06 \| good	11.961 \| good	29.958 \| good	0.409 \| good	11.517 \| good	0.252 \| good
2025-12-05T17:00:00.000Z	30 \| good	3.132 \| good	14.579 \| good	31.922 \| good	1.462 \| good	10.627 \| good	0.238 \| good
2025-12-05T18:00:00.000Z	28 \| good	2.851 \| good	12.784 \| good	30.105 \| good	0.75 \| good	8.171 \| good	0.259 \| good
2025-12-05T19:00:00.000Z	30 \| good	2.771 \| good	12.797 \| good	31.758 \| good	0.313 \| good	8.767 \| good	0.246 \| good
2025-12-05T20:00:00.000Z	31 \| good	2.955 \| good	12.822 \| good	33.628 \| good	0.329 \| good	10.971 \| good	0.26 \| good
2025-12-05T21:00:00.000Z	31 \| good	3.057 \| good	11.1 \| good	32.72 \| good	0.355 \| good	13.007 \| good	0.267 \| good
2025-12-05T22:00:00.000Z	29 \| good	3.257 \| good	11.038 \| good	30.63 \| good	0.35 \| good	17.059 \| good	0.304 \| good
2025-12-05T23:00:00.000Z	29 \| good	3.391 \| good	10.36 \| good	30.549 \| good	0.361 \| good	17.296 \| good	0.304 \| good
2025-12-06T00:00:00.000Z	26 \| good	3.535 \| good	10.428 \| good	27.834 \| good	0.517 \| good	13.451 \| good	0.331 \| good
2025-12-06T01:00:00.000Z	25 \| good	3.677 \| good	9.62 \| good	26.67 \| good	0.753 \| good	11.967 \| good	0.323 \| good
2025-12-06T02:00:00.000Z	25 \| good	3.88 \| good	9.708 \| good	26.632 \| good	0.71 \| good	10.553 \| good	0.323 \| good
2025-12-06T03:00:00.000Z	22 \| good	4.258 \| good	10.59 \| good	21.395 \| good	0.681 \| good	10.305 \| good	0.281 \| good
2025-12-06T04:00:00.000Z	27 \| good	4.561 \| good	9.77 \| good	23.852 \| good	0.567 \| good	10.999 \| good	0.273 \| good
2025-12-06T05:00:00.000Z	27 \| good	4.687 \| good	9.795 \| good	22.268 \| good	0.532 \| good	12.425 \| good	0.225 \| good
2025-12-06T06:00:00.000Z	27 \| good	4.785 \| good	9.8 \| good	20.917 \| good	0.367 \| good	12.827 \| good	0.225 \| good
2025-12-06T07:00:00.000Z	27 \| good	4.757 \| good	9.797 \| good	22.499 \| good	0.431 \| good	9.606 \| good	0.194 \| good
2025-12-06T08:00:00.000Z	33 \| good	5.572 \| good	10.657 \| good	18.919 \| good	0.348 \| good	8.942 \| good	0.252 \| good
2025-12-06T09:00:00.000Z	33 \| good	6.446 \| good	11.508 \| good	16.455 \| good	0.378 \| good	8.81 \| good	0.252 \| good
2025-12-06T10:00:00.000Z	38 \| good	7.139 \| good	12.365 \| good	16.819 \| good	0.408 \| good	10.358 \| good	0.252 \| good
2025-12-06T11:00:00.000Z	38 \| good	7.26 \| good	12.427 \| good	18.279 \| good	0.397 \| good	11.931 \| good	0.26 \| good
2025-12-06T12:00:00.000Z	38 \| good	7.118 \| good	12.458 \| good	18.377 \| good	0.428 \| good	17.279 \| good	0.273 \| good
2025-12-06T13:00:00.000Z	38 \| good	7.2 \| good	12.564 \| good	11.467 \| good	0.424 \| good	15.943 \| good	0.263 \| good
2025-12-06T14:00:00.000Z	49 \| good	8.995 \| good	14.208 \| good	16.231 \| good	0.414 \| good	18.093 \| good	0.325 \| good
2025-12-06T15:00:00.000Z	52 \| moderate	10.028 \| good	16.051 \| good	15.135 \| good	0.354 \| good	19.268 \| good	0.327 \| good
2025-12-06T16:00:00.000Z	56 \| moderate	11.985 \| good	18.712 \| good	17.147 \| good	0.455 \| good	18.402 \| good	0.383 \| good
2025-12-06T17:00:00.000Z	56 \| moderate	12.13 \| fine	19.584 \| good	23.004 \| good	0.474 \| good	15.688 \| good	0.377 \| good
2025-12-06T18:00:00.000Z	52 \| moderate	9.506 \| good	14.496 \| good	25.035 \| good	0.455 \| good	18.497 \| good	0.332 \| good
2025-12-06T19:00:00.000Z	44 \| good	8.173 \| good	12.888 \| good	25.168 \| good	0.719 \| good	14.291 \| good	0.296 \| good
2025-12-06T20:00:00.000Z	38 \| good	7.224 \| good	12.95 \| good	26.905 \| good	0.659 \| good	11.596 \| good	0.286 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.788 \| good	12.148 \| good	28.177 \| good	0.608 \| good	13.024 \| good	0.337 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.975 \| good	13.091 \| good	25.836 \| good	0.509 \| good	20.728 \| good	0.352 \| good
2025-12-06T23:00:00.000Z	44 \| good	8.322 \| good	14.176 \| good	22.299 \| good	0.637 \| good	26.312 \| good	0.425 \| good
2025-12-07T00:00:00.000Z	52 \| moderate	10.241 \| good	15.879 \| good	22.531 \| good	0.538 \| good	25.928 \| good	0.41 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	11.341 \| good	16.787 \| good	19.209 \| good	0.559 \| good	23.361 \| good	0.419 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	11.975 \| good	16.986 \| good	18.429 \| good	0.529 \| good	25.329 \| good	0.471 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	14.329 \| fine	19.738 \| good	16.709 \| good	0.473 \| good	22.945 \| good	0.534 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.164 \| fine	22.325 \| good	16.11 \| good	0.423 \| good	23.45 \| good	0.497 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	16.424 \| fine	22.428 \| good	13.639 \| good	0.469 \| good	23.461 \| good	0.637 \| good
2025-12-07T06:00:00.000Z	66 \| moderate	16.545 \| fine	22.279 \| good	11.021 \| good	0.51 \| good	23.254 \| good	0.439 \| good
2025-12-07T07:00:00.000Z	66 \| moderate	16.733 \| fine	22.547 \| good	12.205 \| good	0.422 \| good	23.771 \| good	0.535 \| good
2025-12-07T08:00:00.000Z	67 \| moderate	17.686 \| fine	23.343 \| good	11.128 \| good	0.388 \| good	24.798 \| good	0.497 \| good
2025-12-07T08:00:00.000Z	67 \| moderate	17.814 \| fine	49.089 \| good	13.246 \| good	0.466 \| good	23.733 \| good	0.615 \| good
2025-12-07T09:00:00.000Z	54 \| moderate	11.462 \| good	51.106 \| good	20.172 \| good	1.622 \| good	4.309 \| good	0.203 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.91 \| good	53.28 \| good	20.593 \| good	1.692 \| good	7.735 \| good	0.235 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	11.845 \| good	52.547 \| good	21.505 \| good	1.763 \| good	11.161 \| good	0.267 \| good
2025-12-07T12:00:00.000Z	56 \| moderate	12.114 \| fine	54.347 \| good	21.358 \| good	1.833 \| good	14.586 \| good	0.298 \| good
2025-12-07T13:00:00.000Z	54 \| moderate	11.228 \| good	49.745 \| good	25.26 \| good	1.592 \| good	11.24 \| good	0.27 \| good
2025-12-07T14:00:00.000Z	44 \| good	7.944 \| good	34.779 \| good	28.768 \| good	1.35 \| good	7.894 \| good	0.241 \| good
2025-12-07T15:00:00.000Z	44 \| good	7.56 \| good	33.349 \| good	30.835 \| good	1.109 \| good	4.548 \| good	0.213 \| good
2025-12-07T16:00:00.000Z	44 \| good	8.003 \| good	35.113 \| good	33.475 \| good	1.012 \| good	4.071 \| good	0.202 \| good
2025-12-07T17:00:00.000Z	52 \| moderate	9.822 \| good	43.291 \| good	35.405 \| good	0.915 \| good	3.594 \| good	0.19 \| good
2025-12-07T18:00:00.000Z	54 \| moderate	11.102 \| good	49.361 \| good	35.666 \| good	0.818 \| good	3.117 \| good	0.179 \| good
2025-12-07T19:00:00.000Z	58 \| moderate	13.286 \| fine	59.941 \| fine	34.285 \| good	0.957 \| good	5.334 \| good	0.191 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	14.415 \| fine	64.712 \| fine	31.958 \| good	1.096 \| good	7.552 \| good	0.204 \| good
2025-12-07T21:00:00.000Z	60 \| moderate	14.471 \| fine	65.118 \| fine	29.483 \| good	1.236 \| good	9.769 \| good	0.216 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	12.514 \| fine	56.114 \| fine	29.978 \| good	1.628 \| good	13.641 \| good	0.242 \| good
2025-12-07T23:00:00.000Z	56 \| moderate	11.888 \| good	52.762 \| good	28.444 \| good	2.02 \| good	17.513 \| good	0.268 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.346 \| fine	64.059 \| fine	24.563 \| good	2.412 \| good	21.384 \| good	0.294 \| good
2025-12-08T01:00:00.000Z	62 \| moderate	14.98 \| fine	67.169 \| fine	24.486 \| good	2.49 \| good	19.268 \| good	0.286 \| good
2025-12-08T02:00:00.000Z	62 \| moderate	14.989 \| fine	66.815 \| fine	24.603 \| good	2.568 \| good	17.152 \| good	0.278 \| good
2025-12-08T03:00:00.000Z	64 \| moderate	16.469 \| fine	73.36 \| fine	22.929 \| good	2.646 \| good	15.036 \| good	0.27 \| good
2025-12-08T04:00:00.000Z	66 \| moderate	16.526 \| fine	73.825 \| fine	23.022 \| good	2.715 \| good	11.929 \| good	0.249 \| good
2025-12-08T05:00:00.000Z	60 \| moderate	13.807 \| fine	61.925 \| fine	24.595 \| good	2.785 \| good	8.823 \| good	0.228 \| good
2025-12-08T06:00:00.000Z	56 \| moderate	11.636 \| good	51.919 \| good	27.164 \| good	2.854 \| good	5.717 \| good	0.207 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.822 \| good	34.242 \| good	28.892 \| good	2.197 \| good	4.638 \| good	0.195 \| good
2025-12-08T08:00:00.000Z	29 \| good	4.138 \| good	17.943 \| good	30.514 \| good	1.541 \| good	3.559 \| good	0.182 \| good
2025-12-08T09:00:00.000Z	30 \| good	1.584 \| good	6.506 \| good	31.975 \| good	0.884 \| good	2.48 \| good	0.17 \| good
2025-12-08T10:00:00.000Z	30 \| good	1.1 \| good	4.462 \| good	32.364 \| good	0.69 \| good	2.357 \| good	0.162 \| good
2025-12-08T11:00:00.000Z	30 \| good	1.254 \| good	5.03 \| good	32.351 \| good	0.496 \| good	2.234 \| good	0.155 \| good
2025-12-08T12:00:00.000Z	29 \| good	1.348 \| good	5.305 \| good	30.973 \| good	0.302 \| good	2.111 \| good	0.147 \| good
2025-12-08T13:00:00.000Z	29 \| good	0.709 \| good	2.46 \| good	31.262 \| good	0.313 \| good	1.962 \| good	0.145 \| good
2025-12-08T14:00:00.000Z	30 \| good	0.207 \| good	0.729 \| good	31.654 \| good	0.324 \| good	1.813 \| good	0.142 \| good
2025-12-08T15:00:00.000Z	30 \| good	0.244 \| good	0.701 \| good	31.788 \| good	0.335 \| good	1.664 \| good	0.139 \| good
2025-12-08T16:00:00.000Z	30 \| good	0.913 \| good	3.818 \| good	31.802 \| good	0.332 \| good	1.602 \| good	0.138 \| good
2025-12-08T17:00:00.000Z	30 \| good	1.419 \| good	5.752 \| good	31.871 \| good	0.329 \| good	1.54 \| good	0.137 \| good
2025-12-08T18:00:00.000Z	30 \| good	2.347 \| good	9.697 \| good	31.759 \| good	0.326 \| good	1.477 \| good	0.136 \| good
2025-12-08T19:00:00.000Z	30 \| good	2.199 \| good	9.062 \| good	32.332 \| good	0.349 \| good	2.102 \| good	0.139 \| good
2025-12-08T20:00:00.000Z	31 \| good	1.546 \| good	6.23 \| good	33.254 \| good	0.372 \| good	2.727 \| good	0.143 \| good
2025-12-08T21:00:00.000Z	31 \| good	1.442 \| good	5.689 \| good	32.838 \| good	0.395 \| good	3.352 \| good	0.146 \| good
2025-12-08T22:00:00.000Z	30 \| good	1.383 \| good	5.498 \| good	32.09 \| good	0.432 \| good	4.059 \| good	0.153 \| good
2025-12-08T23:00:00.000Z	29 \| good	1.339 \| good	5.287 \| good	31.236 \| good	0.469 \| good	4.766 \| good	0.16 \| good
2025-12-09T00:00:00.000Z	26 \| good	2.378 \| good	9.683 \| good	28.324 \| good	0.506 \| good	5.474 \| good	0.167 \| good
2025-12-09T01:00:00.000Z	26 \| good	2.248 \| good	9.316 \| good	27.581 \| good	0.509 \| good	5.264 \| good	0.167 \| good
2025-12-09T02:00:00.000Z	24 \| good	1.925 \| good	8.125 \| good	26.276 \| good	0.512 \| good	5.054 \| good	0.167 \| good
2025-12-09T03:00:00.000Z	23 \| good	1.939 \| good	8.191 \| good	25.03 \| good	0.515 \| good	4.844 \| good	0.167 \| good
2025-12-09T04:00:00.000Z	23 \| good	1.991 \| good	8.411 \| good	24.51 \| good	0.486 \| good	4.526 \| good	0.165 \| good
2025-12-09T05:00:00.000Z	22 \| good	1.648 \| good	6.614 \| good	23.873 \| good	0.457 \| good	4.208 \| good	0.162 \| good
2025-12-09T06:00:00.000Z	31 \| good	5.156 \| good	6.258 \| good	32.503 \| good	0.429 \| good	3.907 \| good	0.16 \| good
2025-12-09T07:00:00.000Z	21 \| good	1.712 \| good	6.669 \| good	22.815 \| good	0.447 \| good	3.898 \| good	0.161 \| good
2025-12-09T08:00:00.000Z	20 \| good	1.998 \| good	8.335 \| good	21.872 \| good	0.465 \| good	3.905 \| good	0.161 \| 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
Cromwell, Connecticut	88 Moderate	25.00μg/m³ Fine	130.22μg/m³ Fine	11.04ppb Good	0.43ppb Good	23.36ppb Good	0.72ppm Good
Danbury, Connecticut	81 Moderate	25.35μg/m³ Fine	32.10μg/m³ Good	9.04ppb Good	0.35ppb Good	23.60ppb Good	0.48ppm Good
Bethel, Connecticut	81 Moderate	24.55μg/m³ Fine	33.39μg/m³ Good	9.57ppb Good	0.35ppb Good	23.50ppb Good	0.48ppm Good
Brookfield, Connecticut	79 Moderate	23.81μg/m³ Fine	34.50μg/m³ Good	10.03ppb Good	0.36ppb Good	23.48ppb Good	0.48ppm Good
East Hampton, Connecticut	77 Moderate	23.34μg/m³ Fine	92.71μg/m³ Fine	9.16ppb Good	0.44ppb Good	23.68ppb Good	0.70ppm Good
East Hartford, Connecticut	77 Moderate	23.02μg/m³ Fine	30.94μg/m³ Good	5.43ppb Good	0.41ppb Good	22.16ppb Good	0.90ppm Good
New Fairfield, Connecticut	77 Moderate	22.92μg/m³ Fine	38.56μg/m³ Good	10.46ppb Good	0.34ppb Good	23.42ppb Good	0.46ppm Good
Middletown, Connecticut	75 Moderate	22.37μg/m³ Fine	100.49μg/m³ Fine	13.42ppb Good	0.44ppb Good	23.64ppb Good	0.68ppm Good
Rocky Hill, Connecticut	75 Moderate	22.30μg/m³ Fine	99.73μg/m³ Fine	7.41ppb Good	0.43ppb Good	22.95ppb Good	0.76ppm Good
Windsor, Connecticut	77 Moderate	22.50μg/m³ Fine	33.15μg/m³ Good	5.88ppb Good	0.42ppb Good	23.34ppb Good	0.90ppm Good
Glastonbury, Connecticut	75 Moderate	22.25μg/m³ Fine	34.61μg/m³ Good	6.15ppb Good	0.42ppb Good	23.55ppb Good	0.89ppm Good
South Windsor, Connecticut	75 Moderate	22.26μg/m³ Fine	37.60μg/m³ Good	6.62ppb Good	0.42ppb Good	23.04ppb Good	0.87ppm Good
Vernon, Connecticut	75 Moderate	21.93μg/m³ Fine	36.79μg/m³ Good	8.32ppb Good	0.54ppb Good	23.94ppb Good	0.76ppm Good
Wethersfield, Connecticut	75 Moderate	21.98μg/m³ Fine	30.03μg/m³ Good	5.93ppb Good	0.41ppb Good	24.75ppb Good	0.92ppm Good
Berlin, Connecticut	73 Moderate	21.45μg/m³ Fine	43.75μg/m³ Good	12.91ppb Good	0.43ppb Good	23.93ppb Good	0.73ppm Good
Bloomfield, Connecticut	75 Moderate	21.59μg/m³ Fine	31.75μg/m³ Good	6.22ppb Good	0.41ppb Good	25.61ppb Good	0.93ppm Good
Newington, Connecticut	73 Moderate	21.48μg/m³ Fine	30.20μg/m³ Good	6.29ppb Good	0.42ppb Good	25.59ppb Good	0.91ppm Good
New Britain, Connecticut	73 Moderate	21.45μg/m³ Fine	43.75μg/m³ Good	12.91ppb Good	0.43ppb Good	23.93ppb Good	0.73ppm Good
West Hartford, Connecticut	73 Moderate	21.38μg/m³ Fine	29.80μg/m³ Good	6.26ppb Good	0.41ppb Good	26.20ppb Good	0.94ppm Good
Hartford, Connecticut	73 Moderate	20.74μg/m³ Fine	27.24μg/m³ Good	6.19ppb Good	0.41ppb Good	28.13ppb Good	0.99ppm Good
Somers, Connecticut	73 Moderate	20.91μg/m³ Fine	72.85μg/m³ Fine	22.33ppb Good	0.51ppb Good	22.63ppb Good	0.69ppm Good
Cheshire, Connecticut	71 Moderate	20.20μg/m³ Fine	63.07μg/m³ Fine	9.16ppb Good	0.45ppb Good	24.54ppb Good	0.51ppm Good
Coventry, Connecticut	71 Moderate	20.50μg/m³ Fine	67.64μg/m³ Fine	24.45ppb Good	0.51ppb Good	24.00ppb Good	0.73ppm Good
Madison, Connecticut	71 Moderate	20.21μg/m³ Fine	63.15μg/m³ Fine	24.84ppb Good	0.47ppb Good	24.15ppb Good	0.60ppm Good
Manchester, Connecticut	73 Moderate	20.52μg/m³ Fine	38.09μg/m³ Good	13.76ppb Good	0.54ppb Good	23.46ppb Good	0.79ppm Good
Meriden, Connecticut	71 Moderate	20.30μg/m³ Fine	68.01μg/m³ Fine	9.20ppb Good	0.46ppb Good	23.99ppb Good	0.57ppm Good
Wallingford, Connecticut	73 Moderate	20.63μg/m³ Fine	68.12μg/m³ Fine	9.31ppb Good	0.47ppb Good	23.99ppb Good	0.54ppm Good
Clinton, Connecticut	71 Moderate	20.16μg/m³ Fine	63.21μg/m³ Fine	19.02ppb Good	0.46ppb Good	24.37ppb Good	0.61ppm Good
New Canaan, Connecticut	71 Moderate	19.86μg/m³ Fine	87.54μg/m³ Fine	10.83ppb Good	0.58ppb Good	19.03ppb Good	0.47ppm Good
Southington, Connecticut	71 Moderate	19.78μg/m³ Fine	51.52μg/m³ Good	9.48ppb Good	0.43ppb Good	24.66ppb Good	0.58ppm Good
East Lyme, Connecticut	71 Moderate	19.61μg/m³ Fine	41.04μg/m³ Good	19.01ppb Good	0.45ppb Good	24.82ppb Good	0.70ppm Good
Milford, Connecticut	70 Moderate	19.07μg/m³ Fine	92.90μg/m³ Fine	16.47ppb Good	0.44ppb Good	23.85ppb Good	0.49ppm Good
Norwich, Connecticut	71 Moderate	19.52μg/m³ Fine	44.74μg/m³ Good	22.33ppb Good	0.46ppb Good	24.80ppb Good	0.71ppm Good
Plainville, Connecticut	69 Moderate	19.37μg/m³ Fine	54.26μg/m³ Fine	10.70ppb Good	0.42ppb Good	24.93ppb Good	0.60ppm Good
Colchester, Connecticut	69 Moderate	19.01μg/m³ Fine	35.13μg/m³ Good	8.91ppb Good	0.46ppb Good	24.15ppb Good	0.68ppm Good
Enfield, Connecticut	69 Moderate	18.98μg/m³ Fine	75.03μg/m³ Fine	25.29ppb Good	0.49ppb Good	23.83ppb Good	0.72ppm Good
Guilford, Connecticut	69 Moderate	18.90μg/m³ Fine	89.26μg/m³ Fine	9.21ppb Good	0.49ppb Good	24.37ppb Good	0.49ppm Good
Newtown, Connecticut	69 Moderate	18.87μg/m³ Fine	75.07μg/m³ Fine	12.66ppb Good	0.39ppb Good	23.75ppb Good	0.48ppm Good
North Branford, Connecticut	69 Moderate	18.84μg/m³ Fine	63.08μg/m³ Fine	7.11ppb Good	0.51ppb Good	24.35ppb Good	0.48ppm Good
New Milford, Connecticut	69 Moderate	19.09μg/m³ Fine	51.89μg/m³ Good	10.66ppb Good	0.28ppb Good	23.83ppb Good	0.44ppm Good
Orange, Connecticut	69 Moderate	18.96μg/m³ Fine	89.50μg/m³ Fine	7.15ppb Good	0.48ppb Good	24.36ppb Good	0.47ppm Good
Wilton, Connecticut	69 Moderate	18.76μg/m³ Fine	65.64μg/m³ Fine	7.52ppb Good	0.56ppb Good	20.11ppb Good	0.46ppm Good
East Windsor, Connecticut	67 Moderate	18.38μg/m³ Fine	66.40μg/m³ Fine	7.89ppb Good	0.54ppb Good	24.06ppb Good	0.75ppm Good
Monroe, Connecticut	67 Moderate	18.49μg/m³ Fine	64.10μg/m³ Fine	7.52ppb Good	0.41ppb Good	23.74ppb Good	0.49ppm Good
Seymour, Connecticut	67 Moderate	18.43μg/m³ Fine	40.66μg/m³ Good	9.36ppb Good	0.43ppb Good	24.28ppb Good	0.49ppm Good
Waterbury, Connecticut	67 Moderate	18.19μg/m³ Fine	23.99μg/m³ Good	10.06ppb Good	0.40ppb Good	24.95ppb Good	0.52ppm Good
Wolcott, Connecticut	67 Moderate	18.08μg/m³ Fine	23.82μg/m³ Good	10.08ppb Good	0.40ppb Good	24.87ppb Good	0.53ppm Good
Ansonia, Connecticut	67 Moderate	17.81μg/m³ Fine	42.97μg/m³ Good	7.16ppb Good	0.44ppb Good	24.29ppb Good	0.48ppm Good
Derby, Connecticut	67 Moderate	17.81μg/m³ Fine	42.97μg/m³ Good	7.16ppb Good	0.44ppb Good	24.29ppb Good	0.48ppm Good
Shelton, Connecticut	67 Moderate	17.81μg/m³ Fine	42.97μg/m³ Good	7.16ppb Good	0.44ppb Good	24.29ppb Good	0.48ppm 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.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 07:00:00 on 2025-12-07.

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 09:00:00 on 2025-12-06.

What is the AQI in Connecticut, USA right now?

As of now, the AQI in Connecticut, USA is 67, 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 17.814 μg/m³.

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

The PM₁₀ concentration in Connecticut, USA is 49.089 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 0.615 ppm.

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

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.466 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 13.246 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 23.733 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-05T09:00:00.000Z	30 \| good	1.656 \| good	4.058 \| good	31.759 \| good	0.193 \| good	7.808 \| good	0.166 \| good
2025-12-05T10:00:00.000Z	31 \| good	1.923 \| good	4.895 \| good	32.676 \| good	0.193 \| good	9.277 \| good	0.146 \| good
2025-12-05T11:00:00.000Z	31 \| good	2.287 \| good	6.628 \| good	32.832 \| good	0.223 \| good	11.485 \| good	0.166 \| good
2025-12-05T12:00:00.000Z	27 \| good	2.847 \| good	8.378 \| good	28.683 \| good	0.23 \| good	17.059 \| good	0.232 \| good
2025-12-05T13:00:00.000Z	20 \| good	2.864 \| good	8.488 \| good	21.594 \| good	0.235 \| good	16.042 \| good	0.196 \| good
2025-12-05T14:00:00.000Z	22 \| good	3.598 \| good	11.121 \| good	22.335 \| good	0.309 \| good	10.204 \| good	0.247 \| good
2025-12-05T15:00:00.000Z	26 \| good	3.424 \| good	11.991 \| good	28.07 \| good	0.335 \| good	12.239 \| good	0.231 \| good
2025-12-05T16:00:00.000Z	28 \| good	3.06 \| good	11.961 \| good	29.958 \| good	0.409 \| good	11.517 \| good	0.252 \| good
2025-12-05T17:00:00.000Z	30 \| good	3.132 \| good	14.579 \| good	31.922 \| good	1.462 \| good	10.627 \| good	0.238 \| good
2025-12-05T18:00:00.000Z	28 \| good	2.851 \| good	12.784 \| good	30.105 \| good	0.75 \| good	8.171 \| good	0.259 \| good
2025-12-05T19:00:00.000Z	30 \| good	2.771 \| good	12.797 \| good	31.758 \| good	0.313 \| good	8.767 \| good	0.246 \| good
2025-12-05T20:00:00.000Z	31 \| good	2.955 \| good	12.822 \| good	33.628 \| good	0.329 \| good	10.971 \| good	0.26 \| good
2025-12-05T21:00:00.000Z	31 \| good	3.057 \| good	11.1 \| good	32.72 \| good	0.355 \| good	13.007 \| good	0.267 \| good
2025-12-05T22:00:00.000Z	29 \| good	3.257 \| good	11.038 \| good	30.63 \| good	0.35 \| good	17.059 \| good	0.304 \| good
2025-12-05T23:00:00.000Z	29 \| good	3.391 \| good	10.36 \| good	30.549 \| good	0.361 \| good	17.296 \| good	0.304 \| good
2025-12-06T00:00:00.000Z	26 \| good	3.535 \| good	10.428 \| good	27.834 \| good	0.517 \| good	13.451 \| good	0.331 \| good
2025-12-06T01:00:00.000Z	25 \| good	3.677 \| good	9.62 \| good	26.67 \| good	0.753 \| good	11.967 \| good	0.323 \| good
2025-12-06T02:00:00.000Z	25 \| good	3.88 \| good	9.708 \| good	26.632 \| good	0.71 \| good	10.553 \| good	0.323 \| good
2025-12-06T03:00:00.000Z	22 \| good	4.258 \| good	10.59 \| good	21.395 \| good	0.681 \| good	10.305 \| good	0.281 \| good
2025-12-06T04:00:00.000Z	27 \| good	4.561 \| good	9.77 \| good	23.852 \| good	0.567 \| good	10.999 \| good	0.273 \| good
2025-12-06T05:00:00.000Z	27 \| good	4.687 \| good	9.795 \| good	22.268 \| good	0.532 \| good	12.425 \| good	0.225 \| good
2025-12-06T06:00:00.000Z	27 \| good	4.785 \| good	9.8 \| good	20.917 \| good	0.367 \| good	12.827 \| good	0.225 \| good
2025-12-06T07:00:00.000Z	27 \| good	4.757 \| good	9.797 \| good	22.499 \| good	0.431 \| good	9.606 \| good	0.194 \| good
2025-12-06T08:00:00.000Z	33 \| good	5.572 \| good	10.657 \| good	18.919 \| good	0.348 \| good	8.942 \| good	0.252 \| good
2025-12-06T09:00:00.000Z	33 \| good	6.446 \| good	11.508 \| good	16.455 \| good	0.378 \| good	8.81 \| good	0.252 \| good
2025-12-06T10:00:00.000Z	38 \| good	7.139 \| good	12.365 \| good	16.819 \| good	0.408 \| good	10.358 \| good	0.252 \| good
2025-12-06T11:00:00.000Z	38 \| good	7.26 \| good	12.427 \| good	18.279 \| good	0.397 \| good	11.931 \| good	0.26 \| good
2025-12-06T12:00:00.000Z	38 \| good	7.118 \| good	12.458 \| good	18.377 \| good	0.428 \| good	17.279 \| good	0.273 \| good
2025-12-06T13:00:00.000Z	38 \| good	7.2 \| good	12.564 \| good	11.467 \| good	0.424 \| good	15.943 \| good	0.263 \| good
2025-12-06T14:00:00.000Z	49 \| good	8.995 \| good	14.208 \| good	16.231 \| good	0.414 \| good	18.093 \| good	0.325 \| good
2025-12-06T15:00:00.000Z	52 \| moderate	10.028 \| good	16.051 \| good	15.135 \| good	0.354 \| good	19.268 \| good	0.327 \| good
2025-12-06T16:00:00.000Z	56 \| moderate	11.985 \| good	18.712 \| good	17.147 \| good	0.455 \| good	18.402 \| good	0.383 \| good
2025-12-06T17:00:00.000Z	56 \| moderate	12.13 \| fine	19.584 \| good	23.004 \| good	0.474 \| good	15.688 \| good	0.377 \| good
2025-12-06T18:00:00.000Z	52 \| moderate	9.506 \| good	14.496 \| good	25.035 \| good	0.455 \| good	18.497 \| good	0.332 \| good
2025-12-06T19:00:00.000Z	44 \| good	8.173 \| good	12.888 \| good	25.168 \| good	0.719 \| good	14.291 \| good	0.296 \| good
2025-12-06T20:00:00.000Z	38 \| good	7.224 \| good	12.95 \| good	26.905 \| good	0.659 \| good	11.596 \| good	0.286 \| good
2025-12-06T21:00:00.000Z	38 \| good	6.788 \| good	12.148 \| good	28.177 \| good	0.608 \| good	13.024 \| good	0.337 \| good
2025-12-06T22:00:00.000Z	38 \| good	6.975 \| good	13.091 \| good	25.836 \| good	0.509 \| good	20.728 \| good	0.352 \| good
2025-12-06T23:00:00.000Z	44 \| good	8.322 \| good	14.176 \| good	22.299 \| good	0.637 \| good	26.312 \| good	0.425 \| good
2025-12-07T00:00:00.000Z	52 \| moderate	10.241 \| good	15.879 \| good	22.531 \| good	0.538 \| good	25.928 \| good	0.41 \| good
2025-12-07T01:00:00.000Z	54 \| moderate	11.341 \| good	16.787 \| good	19.209 \| good	0.559 \| good	23.361 \| good	0.419 \| good
2025-12-07T02:00:00.000Z	56 \| moderate	11.975 \| good	16.986 \| good	18.429 \| good	0.529 \| good	25.329 \| good	0.471 \| good
2025-12-07T03:00:00.000Z	60 \| moderate	14.329 \| fine	19.738 \| good	16.709 \| good	0.473 \| good	22.945 \| good	0.534 \| good
2025-12-07T04:00:00.000Z	64 \| moderate	16.164 \| fine	22.325 \| good	16.11 \| good	0.423 \| good	23.45 \| good	0.497 \| good
2025-12-07T05:00:00.000Z	64 \| moderate	16.424 \| fine	22.428 \| good	13.639 \| good	0.469 \| good	23.461 \| good	0.637 \| good
2025-12-07T06:00:00.000Z	66 \| moderate	16.545 \| fine	22.279 \| good	11.021 \| good	0.51 \| good	23.254 \| good	0.439 \| good
2025-12-07T07:00:00.000Z	66 \| moderate	16.733 \| fine	22.547 \| good	12.205 \| good	0.422 \| good	23.771 \| good	0.535 \| good
2025-12-07T08:00:00.000Z	67 \| moderate	17.686 \| fine	23.343 \| good	11.128 \| good	0.388 \| good	24.798 \| good	0.497 \| good
2025-12-07T08:00:00.000Z	67 \| moderate	17.814 \| fine	49.089 \| good	13.246 \| good	0.466 \| good	23.733 \| good	0.615 \| good
2025-12-07T09:00:00.000Z	54 \| moderate	11.462 \| good	51.106 \| good	20.172 \| good	1.622 \| good	4.309 \| good	0.203 \| good
2025-12-07T10:00:00.000Z	56 \| moderate	11.91 \| good	53.28 \| good	20.593 \| good	1.692 \| good	7.735 \| good	0.235 \| good
2025-12-07T11:00:00.000Z	56 \| moderate	11.845 \| good	52.547 \| good	21.505 \| good	1.763 \| good	11.161 \| good	0.267 \| good
2025-12-07T12:00:00.000Z	56 \| moderate	12.114 \| fine	54.347 \| good	21.358 \| good	1.833 \| good	14.586 \| good	0.298 \| good
2025-12-07T13:00:00.000Z	54 \| moderate	11.228 \| good	49.745 \| good	25.26 \| good	1.592 \| good	11.24 \| good	0.27 \| good
2025-12-07T14:00:00.000Z	44 \| good	7.944 \| good	34.779 \| good	28.768 \| good	1.35 \| good	7.894 \| good	0.241 \| good
2025-12-07T15:00:00.000Z	44 \| good	7.56 \| good	33.349 \| good	30.835 \| good	1.109 \| good	4.548 \| good	0.213 \| good
2025-12-07T16:00:00.000Z	44 \| good	8.003 \| good	35.113 \| good	33.475 \| good	1.012 \| good	4.071 \| good	0.202 \| good
2025-12-07T17:00:00.000Z	52 \| moderate	9.822 \| good	43.291 \| good	35.405 \| good	0.915 \| good	3.594 \| good	0.19 \| good
2025-12-07T18:00:00.000Z	54 \| moderate	11.102 \| good	49.361 \| good	35.666 \| good	0.818 \| good	3.117 \| good	0.179 \| good
2025-12-07T19:00:00.000Z	58 \| moderate	13.286 \| fine	59.941 \| fine	34.285 \| good	0.957 \| good	5.334 \| good	0.191 \| good
2025-12-07T20:00:00.000Z	60 \| moderate	14.415 \| fine	64.712 \| fine	31.958 \| good	1.096 \| good	7.552 \| good	0.204 \| good
2025-12-07T21:00:00.000Z	60 \| moderate	14.471 \| fine	65.118 \| fine	29.483 \| good	1.236 \| good	9.769 \| good	0.216 \| good
2025-12-07T22:00:00.000Z	58 \| moderate	12.514 \| fine	56.114 \| fine	29.978 \| good	1.628 \| good	13.641 \| good	0.242 \| good
2025-12-07T23:00:00.000Z	56 \| moderate	11.888 \| good	52.762 \| good	28.444 \| good	2.02 \| good	17.513 \| good	0.268 \| good
2025-12-08T00:00:00.000Z	60 \| moderate	14.346 \| fine	64.059 \| fine	24.563 \| good	2.412 \| good	21.384 \| good	0.294 \| good
2025-12-08T01:00:00.000Z	62 \| moderate	14.98 \| fine	67.169 \| fine	24.486 \| good	2.49 \| good	19.268 \| good	0.286 \| good
2025-12-08T02:00:00.000Z	62 \| moderate	14.989 \| fine	66.815 \| fine	24.603 \| good	2.568 \| good	17.152 \| good	0.278 \| good
2025-12-08T03:00:00.000Z	64 \| moderate	16.469 \| fine	73.36 \| fine	22.929 \| good	2.646 \| good	15.036 \| good	0.27 \| good
2025-12-08T04:00:00.000Z	66 \| moderate	16.526 \| fine	73.825 \| fine	23.022 \| good	2.715 \| good	11.929 \| good	0.249 \| good
2025-12-08T05:00:00.000Z	60 \| moderate	13.807 \| fine	61.925 \| fine	24.595 \| good	2.785 \| good	8.823 \| good	0.228 \| good
2025-12-08T06:00:00.000Z	56 \| moderate	11.636 \| good	51.919 \| good	27.164 \| good	2.854 \| good	5.717 \| good	0.207 \| good
2025-12-08T07:00:00.000Z	44 \| good	7.822 \| good	34.242 \| good	28.892 \| good	2.197 \| good	4.638 \| good	0.195 \| good
2025-12-08T08:00:00.000Z	29 \| good	4.138 \| good	17.943 \| good	30.514 \| good	1.541 \| good	3.559 \| good	0.182 \| good
2025-12-08T09:00:00.000Z	30 \| good	1.584 \| good	6.506 \| good	31.975 \| good	0.884 \| good	2.48 \| good	0.17 \| good
2025-12-08T10:00:00.000Z	30 \| good	1.1 \| good	4.462 \| good	32.364 \| good	0.69 \| good	2.357 \| good	0.162 \| good
2025-12-08T11:00:00.000Z	30 \| good	1.254 \| good	5.03 \| good	32.351 \| good	0.496 \| good	2.234 \| good	0.155 \| good
2025-12-08T12:00:00.000Z	29 \| good	1.348 \| good	5.305 \| good	30.973 \| good	0.302 \| good	2.111 \| good	0.147 \| good
2025-12-08T13:00:00.000Z	29 \| good	0.709 \| good	2.46 \| good	31.262 \| good	0.313 \| good	1.962 \| good	0.145 \| good
2025-12-08T14:00:00.000Z	30 \| good	0.207 \| good	0.729 \| good	31.654 \| good	0.324 \| good	1.813 \| good	0.142 \| good
2025-12-08T15:00:00.000Z	30 \| good	0.244 \| good	0.701 \| good	31.788 \| good	0.335 \| good	1.664 \| good	0.139 \| good
2025-12-08T16:00:00.000Z	30 \| good	0.913 \| good	3.818 \| good	31.802 \| good	0.332 \| good	1.602 \| good	0.138 \| good
2025-12-08T17:00:00.000Z	30 \| good	1.419 \| good	5.752 \| good	31.871 \| good	0.329 \| good	1.54 \| good	0.137 \| good
2025-12-08T18:00:00.000Z	30 \| good	2.347 \| good	9.697 \| good	31.759 \| good	0.326 \| good	1.477 \| good	0.136 \| good
2025-12-08T19:00:00.000Z	30 \| good	2.199 \| good	9.062 \| good	32.332 \| good	0.349 \| good	2.102 \| good	0.139 \| good
2025-12-08T20:00:00.000Z	31 \| good	1.546 \| good	6.23 \| good	33.254 \| good	0.372 \| good	2.727 \| good	0.143 \| good
2025-12-08T21:00:00.000Z	31 \| good	1.442 \| good	5.689 \| good	32.838 \| good	0.395 \| good	3.352 \| good	0.146 \| good
2025-12-08T22:00:00.000Z	30 \| good	1.383 \| good	5.498 \| good	32.09 \| good	0.432 \| good	4.059 \| good	0.153 \| good
2025-12-08T23:00:00.000Z	29 \| good	1.339 \| good	5.287 \| good	31.236 \| good	0.469 \| good	4.766 \| good	0.16 \| good
2025-12-09T00:00:00.000Z	26 \| good	2.378 \| good	9.683 \| good	28.324 \| good	0.506 \| good	5.474 \| good	0.167 \| good
2025-12-09T01:00:00.000Z	26 \| good	2.248 \| good	9.316 \| good	27.581 \| good	0.509 \| good	5.264 \| good	0.167 \| good
2025-12-09T02:00:00.000Z	24 \| good	1.925 \| good	8.125 \| good	26.276 \| good	0.512 \| good	5.054 \| good	0.167 \| good
2025-12-09T03:00:00.000Z	23 \| good	1.939 \| good	8.191 \| good	25.03 \| good	0.515 \| good	4.844 \| good	0.167 \| good
2025-12-09T04:00:00.000Z	23 \| good	1.991 \| good	8.411 \| good	24.51 \| good	0.486 \| good	4.526 \| good	0.165 \| good
2025-12-09T05:00:00.000Z	22 \| good	1.648 \| good	6.614 \| good	23.873 \| good	0.457 \| good	4.208 \| good	0.162 \| good
2025-12-09T06:00:00.000Z	31 \| good	5.156 \| good	6.258 \| good	32.503 \| good	0.429 \| good	3.907 \| good	0.16 \| good
2025-12-09T07:00:00.000Z	21 \| good	1.712 \| good	6.669 \| good	22.815 \| good	0.447 \| good	3.898 \| good	0.161 \| good
2025-12-09T08:00:00.000Z	20 \| good	1.998 \| good	8.335 \| good	21.872 \| good	0.465 \| good	3.905 \| good	0.161 \| 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?