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

The PM10 concentration in Connecticut, USA is 50.595 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 0.36 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 47.275 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 14.637 ppb.

Real-time 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)

17.49 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

50.59 μg/m³

155

255

425

605+

Ozone (O₃)

47.27 ppb

201

201+

Sulfur Dioxide (SO₂)

0.36 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.64 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2025-06-04T07:00:00.000Z	43 \| good	6.376 \| good	17.078 \| good	46.087 \| good	0.226 \| good	15.154 \| good	0.162 \| good
2025-06-04T08:00:00.000Z	33 \| good	5.967 \| good	14.488 \| good	34.976 \| good	0.341 \| good	24.134 \| good	0.17 \| good
2025-06-04T09:00:00.000Z	33 \| good	5.813 \| good	14.488 \| good	35.923 \| good	0.476 \| good	24.346 \| good	0.17 \| good
2025-06-04T10:00:00.000Z	33 \| good	5.877 \| good	16.431 \| good	33.455 \| good	0.36 \| good	25.577 \| good	0.273 \| good
2025-06-04T11:00:00.000Z	35 \| good	6.04 \| good	18.582 \| good	38.028 \| good	0.321 \| good	20.548 \| good	0.403 \| good
2025-06-04T12:00:00.000Z	33 \| good	6.291 \| good	17.075 \| good	32.564 \| good	0.299 \| good	21.238 \| good	0.381 \| good
2025-06-04T13:00:00.000Z	60 \| moderate	14.249 \| fine	63.495 \| fine	43.348 \| good	2.386 \| good	3.228 \| good	0.23 \| good
2025-06-04T14:00:00.000Z	39 \| good	7.008 \| good	25.703 \| good	41.571 \| good	0.545 \| good	18.305 \| good	0.33 \| good
2025-06-04T15:00:00.000Z	41 \| good	6.836 \| good	22.2 \| good	43.601 \| good	0.609 \| good	17.384 \| good	0.279 \| good
2025-06-04T16:00:00.000Z	38 \| good	6.989 \| good	18.802 \| good	39.699 \| good	0.805 \| good	15.374 \| good	0.367 \| good
2025-06-04T17:00:00.000Z	42 \| good	6.972 \| good	19.194 \| good	44.705 \| good	0.707 \| good	14.174 \| good	0.427 \| good
2025-06-04T18:00:00.000Z	44 \| good	7.586 \| good	18.112 \| good	44.182 \| good	0.717 \| good	13.51 \| good	0.295 \| good
2025-06-04T19:00:00.000Z	50 \| good	8.547 \| good	22.559 \| good	53.949 \| good	0.635 \| good	13.773 \| good	0.279 \| good
2025-06-04T20:00:00.000Z	93 \| moderate	9.808 \| good	27.077 \| good	68.379 \| fine	0.506 \| good	16.502 \| good	0.272 \| good
2025-06-04T21:00:00.000Z	105 \| sensitive	10.398 \| good	27.444 \| good	72.42 \| moderate	0.426 \| good	18.683 \| good	0.264 \| good
2025-06-04T22:00:00.000Z	119 \| sensitive	10.595 \| good	26.113 \| good	75.801 \| moderate	0.397 \| good	14.419 \| good	0.25 \| good
2025-06-04T23:00:00.000Z	87 \| moderate	10.611 \| good	24.518 \| good	66.353 \| fine	0.409 \| good	12.638 \| good	0.271 \| good
2025-06-05T00:00:00.000Z	87 \| moderate	10.455 \| good	23.705 \| good	65.606 \| fine	0.489 \| good	9.768 \| good	0.258 \| good
2025-06-05T01:00:00.000Z	80 \| moderate	10.376 \| good	23.288 \| good	63.643 \| fine	0.341 \| good	15.275 \| good	0.295 \| good
2025-06-05T02:00:00.000Z	61 \| moderate	10.477 \| good	22.207 \| good	58.102 \| fine	0.298 \| good	10.794 \| good	0.266 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	10.788 \| good	22.76 \| good	56.612 \| fine	0.261 \| good	8.753 \| good	0.236 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	11.37 \| good	27.843 \| good	55.969 \| fine	0.249 \| good	9.588 \| good	0.206 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	11.154 \| good	22.761 \| good	53.269 \| good	0.516 \| good	9.271 \| good	0.185 \| good
2025-06-05T06:00:00.000Z	56 \| moderate	11.664 \| good	21.891 \| good	54.877 \| good	0.647 \| good	14.174 \| good	0.214 \| good
2025-06-05T07:00:00.000Z	58 \| moderate	12.797 \| fine	28.831 \| good	53.23 \| good	0.296 \| good	13.415 \| good	0.214 \| good
2025-06-05T08:00:00.000Z	58 \| moderate	12.95 \| fine	26.308 \| good	50.927 \| good	0.283 \| good	16.128 \| good	0.214 \| good
2025-06-05T09:00:00.000Z	60 \| moderate	13.785 \| fine	32.404 \| good	45.023 \| good	0.462 \| good	17.965 \| good	0.214 \| good
2025-06-05T10:00:00.000Z	60 \| moderate	13.914 \| fine	32.716 \| good	39.516 \| good	0.473 \| good	13.761 \| good	0.241 \| good
2025-06-05T11:00:00.000Z	60 \| moderate	14.118 \| fine	29.955 \| good	38.899 \| good	0.204 \| good	18.582 \| good	0.337 \| good
2025-06-05T12:00:00.000Z	62 \| moderate	14.856 \| fine	29.264 \| good	33.949 \| good	0.467 \| good	17.977 \| good	0.396 \| good
2025-06-05T13:00:00.000Z	66 \| moderate	16.587 \| fine	33.389 \| good	32.731 \| good	0.401 \| good	18.339 \| good	0.418 \| good
2025-06-05T14:00:00.000Z	67 \| moderate	18.018 \| fine	37.644 \| good	32.862 \| good	0.457 \| good	18.333 \| good	0.339 \| good
2025-06-05T15:00:00.000Z	69 \| moderate	18.523 \| fine	36.321 \| good	40.872 \| good	0.999 \| good	17.378 \| good	0.369 \| good
2025-06-05T16:00:00.000Z	69 \| moderate	18.884 \| fine	37.639 \| good	38.109 \| good	1 \| good	22.701 \| good	0.383 \| good
2025-06-05T17:00:00.000Z	69 \| moderate	18.886 \| fine	34.445 \| good	56.034 \| fine	0.733 \| good	19.496 \| good	0.367 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	18.837 \| fine	31.072 \| good	55.211 \| fine	0.799 \| good	17.141 \| good	0.352 \| good
2025-06-05T19:00:00.000Z	74 \| moderate	19.105 \| fine	32.675 \| good	61.506 \| fine	0.88 \| good	23.589 \| good	0.359 \| good
2025-06-05T20:00:00.000Z	101 \| sensitive	20.258 \| fine	39.396 \| good	70.631 \| fine	0.811 \| good	21.821 \| good	0.41 \| good
2025-06-05T21:00:00.000Z	97 \| moderate	20.621 \| fine	37.971 \| good	69.466 \| fine	0.633 \| good	16.085 \| good	0.374 \| good
2025-06-05T22:00:00.000Z	136 \| sensitive	20.97 \| fine	37.105 \| good	80.765 \| moderate	0.533 \| good	21.242 \| good	0.388 \| good
2025-06-05T23:00:00.000Z	108 \| sensitive	20.773 \| fine	36.016 \| good	73.018 \| moderate	0.565 \| good	19.644 \| good	0.371 \| good
2025-06-06T00:00:00.000Z	100 \| moderate	20.517 \| fine	34.484 \| good	70.254 \| fine	0.438 \| good	22.907 \| good	0.393 \| good
2025-06-06T01:00:00.000Z	108 \| sensitive	20.122 \| fine	32.51 \| good	72.89 \| moderate	0.576 \| good	15.282 \| good	0.342 \| good
2025-06-06T02:00:00.000Z	71 \| moderate	19.738 \| fine	31.841 \| good	59.502 \| fine	0.806 \| good	15.183 \| good	0.314 \| good
2025-06-06T03:00:00.000Z	97 \| moderate	19.088 \| fine	31.437 \| good	69.233 \| fine	0.643 \| good	12.333 \| good	0.315 \| good
2025-06-06T04:00:00.000Z	69 \| moderate	19.147 \| fine	36.251 \| good	58.823 \| fine	0.432 \| good	21.744 \| good	0.271 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	19.373 \| fine	41.252 \| good	56.889 \| fine	0.332 \| good	15.427 \| good	0.25 \| good
2025-06-06T06:00:00.000Z	66 \| moderate	17.494 \| fine	50.595 \| good	47.275 \| good	0.36 \| good	14.637 \| good	0.262 \| good
2025-06-06T07:00:00.000Z	38 \| good	7.376 \| good	32.356 \| good	35.9 \| good	1.02 \| good	11.809 \| good	0.383 \| good
2025-06-06T08:00:00.000Z	38 \| good	7.263 \| good	32.216 \| good	33.318 \| good	1.102 \| good	11.478 \| good	0.379 \| good
2025-06-06T09:00:00.000Z	33 \| good	6.034 \| good	26.804 \| good	32.769 \| good	1.184 \| good	11.146 \| good	0.376 \| good
2025-06-06T10:00:00.000Z	33 \| good	6.148 \| good	27.142 \| good	28.335 \| good	0.821 \| good	5.027 \| good	0.352 \| good
2025-06-06T11:00:00.000Z	33 \| good	6.258 \| good	28.126 \| good	29.611 \| good	0.909 \| good	5.115 \| good	0.347 \| good
2025-06-06T12:00:00.000Z	33 \| good	6.067 \| good	26.907 \| good	31.829 \| good	0.997 \| good	5.202 \| good	0.342 \| good
2025-06-06T13:00:00.000Z	34 \| good	5.193 \| good	22.382 \| good	36.661 \| good	1.571 \| good	2.114 \| good	0.266 \| good
2025-06-06T14:00:00.000Z	38 \| good	4.948 \| good	21.279 \| good	41.42 \| good	1.632 \| good	2.229 \| good	0.265 \| good
2025-06-06T15:00:00.000Z	41 \| good	5.519 \| good	23.433 \| good	44.076 \| good	1.693 \| good	2.344 \| good	0.264 \| good
2025-06-06T16:00:00.000Z	43 \| good	6.027 \| good	26.512 \| good	45.701 \| good	2.098 \| good	1.606 \| good	0.239 \| good
2025-06-06T17:00:00.000Z	44 \| good	6.227 \| good	27.942 \| good	47.716 \| good	2.061 \| good	1.622 \| good	0.239 \| good
2025-06-06T18:00:00.000Z	49 \| good	8.123 \| good	35.624 \| good	52.88 \| good	2.025 \| good	1.638 \| good	0.238 \| good
2025-06-06T19:00:00.000Z	87 \| moderate	10.656 \| good	47.113 \| good	66.095 \| fine	1.862 \| good	2.283 \| good	0.22 \| good
2025-06-06T20:00:00.000Z	101 \| sensitive	11.669 \| good	51.512 \| good	70.912 \| fine	1.841 \| good	2.27 \| good	0.217 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	10.491 \| good	46.219 \| good	62.561 \| fine	1.819 \| good	2.257 \| good	0.214 \| good
2025-06-06T22:00:00.000Z	52 \| moderate	9.669 \| good	43.101 \| good	54.39 \| good	1.144 \| good	6.081 \| good	0.207 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	10.569 \| good	47.003 \| good	50.274 \| good	1.058 \| good	5.776 \| good	0.202 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	9.709 \| good	43.129 \| good	44.525 \| good	0.972 \| good	5.47 \| good	0.197 \| good
2025-06-07T01:00:00.000Z	49 \| good	9.085 \| good	40.621 \| good	40.585 \| good	0.657 \| good	6.81 \| good	0.173 \| good
2025-06-07T02:00:00.000Z	38 \| good	7.177 \| good	31.727 \| good	39.877 \| good	0.584 \| good	6.099 \| good	0.171 \| good
2025-06-07T03:00:00.000Z	38 \| good	6.502 \| good	29.186 \| good	38.624 \| good	0.51 \| good	5.388 \| good	0.17 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.509 \| good	29.029 \| good	36.545 \| good	0.463 \| good	5.913 \| good	0.144 \| good
2025-06-07T05:00:00.000Z	38 \| good	7.331 \| good	32.422 \| good	34.348 \| good	0.372 \| good	5.078 \| good	0.141 \| good
2025-06-07T06:00:00.000Z	58 \| moderate	12.99 \| fine	58.22 \| fine	31.259 \| good	0.282 \| good	4.244 \| good	0.138 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.668 \| good	33.524 \| good	28.078 \| good	0.651 \| good	4.749 \| good	0.137 \| good
2025-06-07T08:00:00.000Z	44 \| good	8.265 \| good	36.309 \| good	25.745 \| good	0.548 \| good	4.048 \| good	0.133 \| good
2025-06-07T09:00:00.000Z	44 \| good	8.024 \| good	35.165 \| good	26.325 \| good	0.446 \| good	3.347 \| good	0.13 \| good
2025-06-07T10:00:00.000Z	49 \| good	8.67 \| good	38.03 \| good	23.293 \| good	0.8 \| good	4.373 \| good	0.135 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.297 \| good	41.591 \| good	24.548 \| good	0.657 \| good	3.901 \| good	0.133 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.516 \| good	42.218 \| good	27.159 \| good	0.515 \| good	3.429 \| good	0.13 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.69 \| good	38.195 \| good	31.19 \| good	0.513 \| good	3.717 \| good	0.141 \| good
2025-06-07T14:00:00.000Z	44 \| good	7.874 \| good	34.218 \| good	30.739 \| good	0.416 \| good	3.392 \| good	0.139 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.485 \| good	37.112 \| good	28.588 \| good	0.318 \| good	3.067 \| good	0.136 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.008 \| good	39.861 \| good	36.985 \| good	0.41 \| good	2.378 \| good	0.156 \| good
2025-06-07T17:00:00.000Z	43 \| good	7.484 \| good	33.062 \| good	45.707 \| good	0.385 \| good	2.235 \| good	0.153 \| good
2025-06-07T18:00:00.000Z	45 \| good	6.749 \| good	30.206 \| good	48.69 \| good	0.36 \| good	2.091 \| good	0.15 \| good
2025-06-07T19:00:00.000Z	44 \| good	7.306 \| good	32.246 \| good	48.299 \| good	0.192 \| good	1.606 \| good	0.184 \| good
2025-06-07T20:00:00.000Z	44 \| good	7.145 \| good	31.861 \| good	48.231 \| good	0.194 \| good	1.783 \| good	0.181 \| good
2025-06-07T21:00:00.000Z	45 \| good	6.586 \| good	29.221 \| good	48.847 \| good	0.196 \| good	1.96 \| good	0.178 \| good
2025-06-07T22:00:00.000Z	44 \| good	6.681 \| good	29.772 \| good	47.525 \| good	0.217 \| good	2.962 \| good	0.223 \| good
2025-06-07T23:00:00.000Z	43 \| good	7.166 \| good	31.775 \| good	45.783 \| good	0.235 \| good	3.103 \| good	0.222 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.096 \| good	40.546 \| good	38.327 \| good	0.254 \| good	3.244 \| good	0.222 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.168 \| good	45.001 \| good	37.36 \| good	0.418 \| good	4.721 \| good	0.267 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.145 \| good	45.05 \| good	35.084 \| good	0.436 \| good	4.698 \| good	0.267 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	9.855 \| good	43.8 \| good	35.122 \| good	0.454 \| good	4.674 \| good	0.267 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.385 \| good	41.646 \| good	33.952 \| good	0.524 \| good	4.119 \| good	0.284 \| good
2025-06-08T05:00:00.000Z	44 \| good	7.701 \| good	33.961 \| good	31.164 \| good	0.539 \| good	3.8 \| good	0.283 \| good
2025-06-08T06:00:00.000Z	71 \| moderate	19.942 \| fine	20.373 \| good	30.85 \| good	0.553 \| good	3.482 \| good	0.282 \| good

Connecticut

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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
Stafford, Connecticut	97 Moderate	19.22μg/m³ Fine	60.59μg/m³ Fine	69.38ppb Fine	0.42ppb Good	10.82ppb Good	0.28ppm Good
Somers, Connecticut	97 Moderate	19.21μg/m³ Fine	61.33μg/m³ Fine	68.52ppb Fine	0.42ppb Good	10.48ppb Good	0.28ppm Good
Ellington, Connecticut	87 Moderate	19.17μg/m³ Fine	56.89μg/m³ Fine	65.94ppb Fine	0.40ppb Good	10.89ppb Good	0.28ppm Good
Canton, Connecticut	75 Moderate	22.45μg/m³ Fine	73.08μg/m³ Fine	51.21ppb Good	0.29ppb Good	18.05ppb Good	0.26ppm Good
Granby, Connecticut	75 Moderate	22.39μg/m³ Fine	60.48μg/m³ Fine	43.44ppb Good	0.33ppb Good	16.13ppb Good	0.28ppm Good
Torrington, Connecticut	75 Moderate	22.41μg/m³ Fine	60.20μg/m³ Fine	55.51ppb Fine	0.27ppb Good	17.02ppb Good	0.29ppm Good
Winchester, Connecticut	75 Moderate	22.23μg/m³ Fine	47.83μg/m³ Good	54.48ppb Fine	0.23ppb Good	15.18ppb Good	0.29ppm Good
Danbury, Connecticut	75 Moderate	21.68μg/m³ Fine	33.14μg/m³ Good	30.05ppb Good	0.42ppb Good	10.82ppb Good	0.30ppm Good
New Fairfield, Connecticut	73 Moderate	21.46μg/m³ Fine	42.51μg/m³ Good	35.39ppb Good	0.41ppb Good	10.96ppb Good	0.30ppm Good
Simsbury, Connecticut	75 Moderate	21.56μg/m³ Fine	71.41μg/m³ Fine	44.83ppb Good	0.31ppb Good	17.61ppb Good	0.27ppm Good
Bethel, Connecticut	73 Moderate	21.17μg/m³ Fine	35.16μg/m³ Good	31.15ppb Good	0.42ppb Good	10.58ppb Good	0.30ppm Good
Brookfield, Connecticut	73 Moderate	20.92μg/m³ Fine	36.81μg/m³ Good	32.82ppb Good	0.42ppb Good	10.59ppb Good	0.30ppm Good
New Milford, Connecticut	73 Moderate	21.23μg/m³ Fine	82.97μg/m³ Fine	51.28ppb Good	0.35ppb Good	14.55ppb Good	0.29ppm Good
Monroe, Connecticut	71 Moderate	20.45μg/m³ Fine	75.54μg/m³ Fine	43.40ppb Good	0.39ppb Good	10.63ppb Good	0.27ppm Good
Newtown, Connecticut	71 Moderate	20.38μg/m³ Fine	72.80μg/m³ Fine	49.09ppb Good	0.39ppb Good	9.08ppb Good	0.28ppm Good
Southbury, Connecticut	71 Moderate	20.24μg/m³ Fine	72.51μg/m³ Fine	41.67ppb Good	0.37ppb Good	12.59ppb Good	0.27ppm Good
East Hartford, Connecticut	71 Moderate	19.65μg/m³ Fine	31.34μg/m³ Good	58.55ppb Fine	0.33ppb Good	10.21ppb Good	0.29ppm Good
Plainfield, Connecticut	71 Moderate	19.91μg/m³ Fine	63.68μg/m³ Fine	44.37ppb Good	0.39ppb Good	16.06ppb Good	0.29ppm Good
Enfield, Connecticut	69 Moderate	19.16μg/m³ Fine	84.59μg/m³ Fine	50.37ppb Good	0.36ppb Good	15.58ppb Good	0.28ppm Good
Griswold, Connecticut	71 Moderate	19.51μg/m³ Fine	63.05μg/m³ Fine	57.08ppb Fine	0.37ppb Good	16.02ppb Good	0.29ppm Good
Norwich, Connecticut	71 Moderate	19.51μg/m³ Fine	59.00μg/m³ Fine	34.29ppb Good	0.37ppb Good	15.93ppb Good	0.28ppm Good
South Windsor, Connecticut	69 Moderate	19.35μg/m³ Fine	38.42μg/m³ Good	59.02ppb Fine	0.35ppb Good	11.25ppb Good	0.29ppm Good
Watertown, Connecticut	69 Moderate	19.45μg/m³ Fine	40.37μg/m³ Good	56.75ppb Fine	0.32ppb Good	15.57ppb Good	0.25ppm Good
Windsor, Connecticut	69 Moderate	19.41μg/m³ Fine	33.55μg/m³ Good	57.60ppb Fine	0.33ppb Good	11.70ppb Good	0.29ppm Good
Waterbury, Connecticut	69 Moderate	19.39μg/m³ Fine	42.98μg/m³ Good	57.93ppb Fine	0.35ppb Good	14.95ppb Good	0.25ppm Good
Wolcott, Connecticut	69 Moderate	19.09μg/m³ Fine	41.19μg/m³ Good	56.30ppb Fine	0.33ppb Good	16.24ppb Good	0.25ppm Good
Bloomfield, Connecticut	69 Moderate	18.86μg/m³ Fine	33.48μg/m³ Good	54.98ppb Fine	0.33ppb Good	14.75ppb Good	0.29ppm Good
Colchester, Connecticut	69 Moderate	18.84μg/m³ Fine	54.69μg/m³ Fine	55.36ppb Fine	0.33ppb Good	17.01ppb Good	0.27ppm Good
Coventry, Connecticut	69 Moderate	18.92μg/m³ Fine	58.49μg/m³ Fine	45.25ppb Good	0.36ppb Good	16.00ppb Good	0.28ppm Good
East Windsor, Connecticut	69 Moderate	18.93μg/m³ Fine	52.73μg/m³ Good	54.73ppb Fine	0.35ppb Good	15.70ppb Good	0.28ppm Good
Killingly, Connecticut	69 Moderate	19.03μg/m³ Fine	80.91μg/m³ Fine	50.48ppb Good	0.60ppb Good	16.83ppb Good	0.29ppm Good
Mansfield, Connecticut	69 Moderate	18.69μg/m³ Fine	58.71μg/m³ Fine	48.33ppb Good	0.37ppb Good	15.79ppb Good	0.28ppm Good
Naugatuck, Connecticut	69 Moderate	18.91μg/m³ Fine	42.19μg/m³ Good	54.76ppb Fine	0.34ppb Good	15.58ppb Good	0.24ppm Good
Tolland, Connecticut	69 Moderate	18.91μg/m³ Fine	58.52μg/m³ Fine	47.91ppb Good	0.37ppb Good	14.93ppb Good	0.28ppm Good
West Hartford, Connecticut	69 Moderate	18.65μg/m³ Fine	32.79μg/m³ Good	53.98ppb Good	0.33ppb Good	15.70ppb Good	0.29ppm Good
Windham, Connecticut	69 Moderate	18.93μg/m³ Fine	63.02μg/m³ Fine	38.22ppb Good	0.37ppb Good	16.72ppb Good	0.28ppm Good
Windsor Locks, Connecticut	69 Moderate	19.09μg/m³ Fine	59.13μg/m³ Fine	49.27ppb Good	0.35ppb Good	16.52ppb Good	0.28ppm Good
Wethersfield, Connecticut	69 Moderate	18.73μg/m³ Fine	32.11μg/m³ Good	55.55ppb Fine	0.33ppb Good	13.88ppb Good	0.29ppm Good
Glastonbury, Connecticut	67 Moderate	18.36μg/m³ Fine	34.78μg/m³ Good	56.23ppb Fine	0.34ppb Good	12.97ppb Good	0.28ppm Good
Hartford, Connecticut	67 Moderate	18.38μg/m³ Fine	31.03μg/m³ Good	51.91ppb Good	0.32ppb Good	18.09ppb Good	0.30ppm Good
Manchester, Connecticut	67 Moderate	18.16μg/m³ Fine	79.84μg/m³ Fine	49.59ppb Good	0.34ppb Good	12.89ppb Good	0.28ppm Good
Newington, Connecticut	67 Moderate	18.25μg/m³ Fine	32.20μg/m³ Good	53.31ppb Good	0.33ppb Good	15.72ppb Good	0.28ppm Good
Old Saybrook, Connecticut	67 Moderate	18.44μg/m³ Fine	46.88μg/m³ Good	48.71ppb Good	0.42ppb Good	10.73ppb Good	0.25ppm Good
Oxford, Connecticut	67 Moderate	18.05μg/m³ Fine	71.94μg/m³ Fine	56.65ppb Fine	0.35ppb Good	12.26ppb Good	0.24ppm Good
Ridgefield, Connecticut	67 Moderate	18.46μg/m³ Fine	44.81μg/m³ Good	36.42ppb Good	0.46ppb Good	11.58ppb Good	0.30ppm Good
Vernon, Connecticut	67 Moderate	18.29μg/m³ Fine	72.48μg/m³ Fine	49.50ppb Good	0.34ppb Good	14.66ppb Good	0.28ppm Good
Suffield, Connecticut	67 Moderate	18.12μg/m³ Fine	39.43μg/m³ Good	47.66ppb Good	0.35ppb Good	17.65ppb Good	0.28ppm Good
Avon, Connecticut	67 Moderate	17.93μg/m³ Fine	72.27μg/m³ Fine	44.42ppb Good	0.30ppb Good	16.75ppb Good	0.28ppm Good
Farmington, Connecticut	67 Moderate	17.76μg/m³ Fine	72.28μg/m³ Fine	44.74ppb Good	0.37ppb Good	16.49ppb Good	0.27ppm Good
Seymour, Connecticut	67 Moderate	17.72μg/m³ Fine	66.00μg/m³ Fine	57.19ppb Fine	0.32ppb Good	12.37ppb Good	0.22ppm Good

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

0.34ppm

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

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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 10:00:00 on 2025-06-05.

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 06:00:00 on 2025-06-05.

What is the AQI in Connecticut, USA right now?

As of now, the AQI in Connecticut, USA is 66, 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 17.494 μg/m³.

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

The PM₁₀ concentration in Connecticut, USA is 50.595 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 0.262 ppm.

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

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.36 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 47.275 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 14.637 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T07:00:00.000Z	43 \| good	6.376 \| good	17.078 \| good	46.087 \| good	0.226 \| good	15.154 \| good	0.162 \| good
2025-06-04T08:00:00.000Z	33 \| good	5.967 \| good	14.488 \| good	34.976 \| good	0.341 \| good	24.134 \| good	0.17 \| good
2025-06-04T09:00:00.000Z	33 \| good	5.813 \| good	14.488 \| good	35.923 \| good	0.476 \| good	24.346 \| good	0.17 \| good
2025-06-04T10:00:00.000Z	33 \| good	5.877 \| good	16.431 \| good	33.455 \| good	0.36 \| good	25.577 \| good	0.273 \| good
2025-06-04T11:00:00.000Z	35 \| good	6.04 \| good	18.582 \| good	38.028 \| good	0.321 \| good	20.548 \| good	0.403 \| good
2025-06-04T12:00:00.000Z	33 \| good	6.291 \| good	17.075 \| good	32.564 \| good	0.299 \| good	21.238 \| good	0.381 \| good
2025-06-04T13:00:00.000Z	60 \| moderate	14.249 \| fine	63.495 \| fine	43.348 \| good	2.386 \| good	3.228 \| good	0.23 \| good
2025-06-04T14:00:00.000Z	39 \| good	7.008 \| good	25.703 \| good	41.571 \| good	0.545 \| good	18.305 \| good	0.33 \| good
2025-06-04T15:00:00.000Z	41 \| good	6.836 \| good	22.2 \| good	43.601 \| good	0.609 \| good	17.384 \| good	0.279 \| good
2025-06-04T16:00:00.000Z	38 \| good	6.989 \| good	18.802 \| good	39.699 \| good	0.805 \| good	15.374 \| good	0.367 \| good
2025-06-04T17:00:00.000Z	42 \| good	6.972 \| good	19.194 \| good	44.705 \| good	0.707 \| good	14.174 \| good	0.427 \| good
2025-06-04T18:00:00.000Z	44 \| good	7.586 \| good	18.112 \| good	44.182 \| good	0.717 \| good	13.51 \| good	0.295 \| good
2025-06-04T19:00:00.000Z	50 \| good	8.547 \| good	22.559 \| good	53.949 \| good	0.635 \| good	13.773 \| good	0.279 \| good
2025-06-04T20:00:00.000Z	93 \| moderate	9.808 \| good	27.077 \| good	68.379 \| fine	0.506 \| good	16.502 \| good	0.272 \| good
2025-06-04T21:00:00.000Z	105 \| sensitive	10.398 \| good	27.444 \| good	72.42 \| moderate	0.426 \| good	18.683 \| good	0.264 \| good
2025-06-04T22:00:00.000Z	119 \| sensitive	10.595 \| good	26.113 \| good	75.801 \| moderate	0.397 \| good	14.419 \| good	0.25 \| good
2025-06-04T23:00:00.000Z	87 \| moderate	10.611 \| good	24.518 \| good	66.353 \| fine	0.409 \| good	12.638 \| good	0.271 \| good
2025-06-05T00:00:00.000Z	87 \| moderate	10.455 \| good	23.705 \| good	65.606 \| fine	0.489 \| good	9.768 \| good	0.258 \| good
2025-06-05T01:00:00.000Z	80 \| moderate	10.376 \| good	23.288 \| good	63.643 \| fine	0.341 \| good	15.275 \| good	0.295 \| good
2025-06-05T02:00:00.000Z	61 \| moderate	10.477 \| good	22.207 \| good	58.102 \| fine	0.298 \| good	10.794 \| good	0.266 \| good
2025-06-05T03:00:00.000Z	58 \| moderate	10.788 \| good	22.76 \| good	56.612 \| fine	0.261 \| good	8.753 \| good	0.236 \| good
2025-06-05T04:00:00.000Z	54 \| moderate	11.37 \| good	27.843 \| good	55.969 \| fine	0.249 \| good	9.588 \| good	0.206 \| good
2025-06-05T05:00:00.000Z	54 \| moderate	11.154 \| good	22.761 \| good	53.269 \| good	0.516 \| good	9.271 \| good	0.185 \| good
2025-06-05T06:00:00.000Z	56 \| moderate	11.664 \| good	21.891 \| good	54.877 \| good	0.647 \| good	14.174 \| good	0.214 \| good
2025-06-05T07:00:00.000Z	58 \| moderate	12.797 \| fine	28.831 \| good	53.23 \| good	0.296 \| good	13.415 \| good	0.214 \| good
2025-06-05T08:00:00.000Z	58 \| moderate	12.95 \| fine	26.308 \| good	50.927 \| good	0.283 \| good	16.128 \| good	0.214 \| good
2025-06-05T09:00:00.000Z	60 \| moderate	13.785 \| fine	32.404 \| good	45.023 \| good	0.462 \| good	17.965 \| good	0.214 \| good
2025-06-05T10:00:00.000Z	60 \| moderate	13.914 \| fine	32.716 \| good	39.516 \| good	0.473 \| good	13.761 \| good	0.241 \| good
2025-06-05T11:00:00.000Z	60 \| moderate	14.118 \| fine	29.955 \| good	38.899 \| good	0.204 \| good	18.582 \| good	0.337 \| good
2025-06-05T12:00:00.000Z	62 \| moderate	14.856 \| fine	29.264 \| good	33.949 \| good	0.467 \| good	17.977 \| good	0.396 \| good
2025-06-05T13:00:00.000Z	66 \| moderate	16.587 \| fine	33.389 \| good	32.731 \| good	0.401 \| good	18.339 \| good	0.418 \| good
2025-06-05T14:00:00.000Z	67 \| moderate	18.018 \| fine	37.644 \| good	32.862 \| good	0.457 \| good	18.333 \| good	0.339 \| good
2025-06-05T15:00:00.000Z	69 \| moderate	18.523 \| fine	36.321 \| good	40.872 \| good	0.999 \| good	17.378 \| good	0.369 \| good
2025-06-05T16:00:00.000Z	69 \| moderate	18.884 \| fine	37.639 \| good	38.109 \| good	1 \| good	22.701 \| good	0.383 \| good
2025-06-05T17:00:00.000Z	69 \| moderate	18.886 \| fine	34.445 \| good	56.034 \| fine	0.733 \| good	19.496 \| good	0.367 \| good
2025-06-05T18:00:00.000Z	69 \| moderate	18.837 \| fine	31.072 \| good	55.211 \| fine	0.799 \| good	17.141 \| good	0.352 \| good
2025-06-05T19:00:00.000Z	74 \| moderate	19.105 \| fine	32.675 \| good	61.506 \| fine	0.88 \| good	23.589 \| good	0.359 \| good
2025-06-05T20:00:00.000Z	101 \| sensitive	20.258 \| fine	39.396 \| good	70.631 \| fine	0.811 \| good	21.821 \| good	0.41 \| good
2025-06-05T21:00:00.000Z	97 \| moderate	20.621 \| fine	37.971 \| good	69.466 \| fine	0.633 \| good	16.085 \| good	0.374 \| good
2025-06-05T22:00:00.000Z	136 \| sensitive	20.97 \| fine	37.105 \| good	80.765 \| moderate	0.533 \| good	21.242 \| good	0.388 \| good
2025-06-05T23:00:00.000Z	108 \| sensitive	20.773 \| fine	36.016 \| good	73.018 \| moderate	0.565 \| good	19.644 \| good	0.371 \| good
2025-06-06T00:00:00.000Z	100 \| moderate	20.517 \| fine	34.484 \| good	70.254 \| fine	0.438 \| good	22.907 \| good	0.393 \| good
2025-06-06T01:00:00.000Z	108 \| sensitive	20.122 \| fine	32.51 \| good	72.89 \| moderate	0.576 \| good	15.282 \| good	0.342 \| good
2025-06-06T02:00:00.000Z	71 \| moderate	19.738 \| fine	31.841 \| good	59.502 \| fine	0.806 \| good	15.183 \| good	0.314 \| good
2025-06-06T03:00:00.000Z	97 \| moderate	19.088 \| fine	31.437 \| good	69.233 \| fine	0.643 \| good	12.333 \| good	0.315 \| good
2025-06-06T04:00:00.000Z	69 \| moderate	19.147 \| fine	36.251 \| good	58.823 \| fine	0.432 \| good	21.744 \| good	0.271 \| good
2025-06-06T05:00:00.000Z	69 \| moderate	19.373 \| fine	41.252 \| good	56.889 \| fine	0.332 \| good	15.427 \| good	0.25 \| good
2025-06-06T06:00:00.000Z	66 \| moderate	17.494 \| fine	50.595 \| good	47.275 \| good	0.36 \| good	14.637 \| good	0.262 \| good
2025-06-06T07:00:00.000Z	38 \| good	7.376 \| good	32.356 \| good	35.9 \| good	1.02 \| good	11.809 \| good	0.383 \| good
2025-06-06T08:00:00.000Z	38 \| good	7.263 \| good	32.216 \| good	33.318 \| good	1.102 \| good	11.478 \| good	0.379 \| good
2025-06-06T09:00:00.000Z	33 \| good	6.034 \| good	26.804 \| good	32.769 \| good	1.184 \| good	11.146 \| good	0.376 \| good
2025-06-06T10:00:00.000Z	33 \| good	6.148 \| good	27.142 \| good	28.335 \| good	0.821 \| good	5.027 \| good	0.352 \| good
2025-06-06T11:00:00.000Z	33 \| good	6.258 \| good	28.126 \| good	29.611 \| good	0.909 \| good	5.115 \| good	0.347 \| good
2025-06-06T12:00:00.000Z	33 \| good	6.067 \| good	26.907 \| good	31.829 \| good	0.997 \| good	5.202 \| good	0.342 \| good
2025-06-06T13:00:00.000Z	34 \| good	5.193 \| good	22.382 \| good	36.661 \| good	1.571 \| good	2.114 \| good	0.266 \| good
2025-06-06T14:00:00.000Z	38 \| good	4.948 \| good	21.279 \| good	41.42 \| good	1.632 \| good	2.229 \| good	0.265 \| good
2025-06-06T15:00:00.000Z	41 \| good	5.519 \| good	23.433 \| good	44.076 \| good	1.693 \| good	2.344 \| good	0.264 \| good
2025-06-06T16:00:00.000Z	43 \| good	6.027 \| good	26.512 \| good	45.701 \| good	2.098 \| good	1.606 \| good	0.239 \| good
2025-06-06T17:00:00.000Z	44 \| good	6.227 \| good	27.942 \| good	47.716 \| good	2.061 \| good	1.622 \| good	0.239 \| good
2025-06-06T18:00:00.000Z	49 \| good	8.123 \| good	35.624 \| good	52.88 \| good	2.025 \| good	1.638 \| good	0.238 \| good
2025-06-06T19:00:00.000Z	87 \| moderate	10.656 \| good	47.113 \| good	66.095 \| fine	1.862 \| good	2.283 \| good	0.22 \| good
2025-06-06T20:00:00.000Z	101 \| sensitive	11.669 \| good	51.512 \| good	70.912 \| fine	1.841 \| good	2.27 \| good	0.217 \| good
2025-06-06T21:00:00.000Z	77 \| moderate	10.491 \| good	46.219 \| good	62.561 \| fine	1.819 \| good	2.257 \| good	0.214 \| good
2025-06-06T22:00:00.000Z	52 \| moderate	9.669 \| good	43.101 \| good	54.39 \| good	1.144 \| good	6.081 \| good	0.207 \| good
2025-06-06T23:00:00.000Z	54 \| moderate	10.569 \| good	47.003 \| good	50.274 \| good	1.058 \| good	5.776 \| good	0.202 \| good
2025-06-07T00:00:00.000Z	52 \| moderate	9.709 \| good	43.129 \| good	44.525 \| good	0.972 \| good	5.47 \| good	0.197 \| good
2025-06-07T01:00:00.000Z	49 \| good	9.085 \| good	40.621 \| good	40.585 \| good	0.657 \| good	6.81 \| good	0.173 \| good
2025-06-07T02:00:00.000Z	38 \| good	7.177 \| good	31.727 \| good	39.877 \| good	0.584 \| good	6.099 \| good	0.171 \| good
2025-06-07T03:00:00.000Z	38 \| good	6.502 \| good	29.186 \| good	38.624 \| good	0.51 \| good	5.388 \| good	0.17 \| good
2025-06-07T04:00:00.000Z	38 \| good	6.509 \| good	29.029 \| good	36.545 \| good	0.463 \| good	5.913 \| good	0.144 \| good
2025-06-07T05:00:00.000Z	38 \| good	7.331 \| good	32.422 \| good	34.348 \| good	0.372 \| good	5.078 \| good	0.141 \| good
2025-06-07T06:00:00.000Z	58 \| moderate	12.99 \| fine	58.22 \| fine	31.259 \| good	0.282 \| good	4.244 \| good	0.138 \| good
2025-06-07T07:00:00.000Z	44 \| good	7.668 \| good	33.524 \| good	28.078 \| good	0.651 \| good	4.749 \| good	0.137 \| good
2025-06-07T08:00:00.000Z	44 \| good	8.265 \| good	36.309 \| good	25.745 \| good	0.548 \| good	4.048 \| good	0.133 \| good
2025-06-07T09:00:00.000Z	44 \| good	8.024 \| good	35.165 \| good	26.325 \| good	0.446 \| good	3.347 \| good	0.13 \| good
2025-06-07T10:00:00.000Z	49 \| good	8.67 \| good	38.03 \| good	23.293 \| good	0.8 \| good	4.373 \| good	0.135 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.297 \| good	41.591 \| good	24.548 \| good	0.657 \| good	3.901 \| good	0.133 \| good
2025-06-07T12:00:00.000Z	52 \| moderate	9.516 \| good	42.218 \| good	27.159 \| good	0.515 \| good	3.429 \| good	0.13 \| good
2025-06-07T13:00:00.000Z	49 \| good	8.69 \| good	38.195 \| good	31.19 \| good	0.513 \| good	3.717 \| good	0.141 \| good
2025-06-07T14:00:00.000Z	44 \| good	7.874 \| good	34.218 \| good	30.739 \| good	0.416 \| good	3.392 \| good	0.139 \| good
2025-06-07T15:00:00.000Z	44 \| good	8.485 \| good	37.112 \| good	28.588 \| good	0.318 \| good	3.067 \| good	0.136 \| good
2025-06-07T16:00:00.000Z	49 \| good	9.008 \| good	39.861 \| good	36.985 \| good	0.41 \| good	2.378 \| good	0.156 \| good
2025-06-07T17:00:00.000Z	43 \| good	7.484 \| good	33.062 \| good	45.707 \| good	0.385 \| good	2.235 \| good	0.153 \| good
2025-06-07T18:00:00.000Z	45 \| good	6.749 \| good	30.206 \| good	48.69 \| good	0.36 \| good	2.091 \| good	0.15 \| good
2025-06-07T19:00:00.000Z	44 \| good	7.306 \| good	32.246 \| good	48.299 \| good	0.192 \| good	1.606 \| good	0.184 \| good
2025-06-07T20:00:00.000Z	44 \| good	7.145 \| good	31.861 \| good	48.231 \| good	0.194 \| good	1.783 \| good	0.181 \| good
2025-06-07T21:00:00.000Z	45 \| good	6.586 \| good	29.221 \| good	48.847 \| good	0.196 \| good	1.96 \| good	0.178 \| good
2025-06-07T22:00:00.000Z	44 \| good	6.681 \| good	29.772 \| good	47.525 \| good	0.217 \| good	2.962 \| good	0.223 \| good
2025-06-07T23:00:00.000Z	43 \| good	7.166 \| good	31.775 \| good	45.783 \| good	0.235 \| good	3.103 \| good	0.222 \| good
2025-06-08T00:00:00.000Z	49 \| good	9.096 \| good	40.546 \| good	38.327 \| good	0.254 \| good	3.244 \| good	0.222 \| good
2025-06-08T01:00:00.000Z	52 \| moderate	10.168 \| good	45.001 \| good	37.36 \| good	0.418 \| good	4.721 \| good	0.267 \| good
2025-06-08T02:00:00.000Z	52 \| moderate	10.145 \| good	45.05 \| good	35.084 \| good	0.436 \| good	4.698 \| good	0.267 \| good
2025-06-08T03:00:00.000Z	52 \| moderate	9.855 \| good	43.8 \| good	35.122 \| good	0.454 \| good	4.674 \| good	0.267 \| good
2025-06-08T04:00:00.000Z	49 \| good	9.385 \| good	41.646 \| good	33.952 \| good	0.524 \| good	4.119 \| good	0.284 \| good
2025-06-08T05:00:00.000Z	44 \| good	7.701 \| good	33.961 \| good	31.164 \| good	0.539 \| good	3.8 \| good	0.283 \| good
2025-06-08T06:00:00.000Z	71 \| moderate	19.942 \| fine	20.373 \| good	30.85 \| good	0.553 \| good	3.482 \| good	0.282 \| good

Real-time 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?