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

The PM10 concentration in Connecticut, USA is 27.58 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 0.323 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 34.006 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 5.049 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 10.106 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)

10.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.26 μg/m³

155

255

425

605+

Ozone (O₃)

39.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.34 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.04 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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
2026-06-27T19:00:00.000Z	37 \| good	6.178 \| good	11.993 \| good	39.581 \| good	0.375 \| good	11.198 \| good	0.209 \| good
2026-06-27T20:00:00.000Z	41 \| good	6.433 \| good	11.136 \| good	44.154 \| good	0.247 \| good	8.781 \| good	0.196 \| good
2026-06-27T21:00:00.000Z	39 \| good	6.266 \| good	10.279 \| good	42.073 \| good	0.285 \| good	8.137 \| good	0.159 \| good
2026-06-27T22:00:00.000Z	38 \| good	6.149 \| good	10.254 \| good	40.967 \| good	0.341 \| good	10.803 \| good	0.18 \| good
2026-06-27T23:00:00.000Z	38 \| good	6.233 \| good	10.117 \| good	41.209 \| good	0.272 \| good	8.169 \| good	0.217 \| good
2026-06-28T00:00:00.000Z	40 \| good	6.244 \| good	10.155 \| good	42.934 \| good	0.202 \| good	7.74 \| good	0.269 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.613 \| good	11.012 \| good	39.621 \| good	0.236 \| good	9.018 \| good	0.232 \| good
2026-06-28T02:00:00.000Z	44 \| good	8.366 \| good	13.583 \| good	39.154 \| good	0.176 \| good	11.248 \| good	0.262 \| good
2026-06-28T03:00:00.000Z	67 \| moderate	17.676 \| fine	78.573 \| fine	42.181 \| good	0.296 \| good	10.57 \| good	0.259 \| good
2026-06-28T04:00:00.000Z	49 \| good	8.838 \| good	14.643 \| good	35.852 \| good	0.269 \| good	11.146 \| good	0.291 \| good
2026-06-28T05:00:00.000Z	49 \| good	9.23 \| good	15.605 \| good	28.634 \| good	0.221 \| good	10.941 \| good	0.319 \| good
2026-06-28T06:00:00.000Z	49 \| good	9.036 \| good	15.655 \| good	19.471 \| good	0.207 \| good	9.049 \| good	0.327 \| good
2026-06-28T07:00:00.000Z	49 \| good	9.076 \| good	16.158 \| good	20.553 \| good	0.331 \| good	8.018 \| good	0.305 \| good
2026-06-28T08:00:00.000Z	49 \| good	9.046 \| good	15.68 \| good	19.243 \| good	0.223 \| good	10.946 \| good	0.306 \| good
2026-06-28T09:00:00.000Z	49 \| good	9.04 \| good	15.65 \| good	20.89 \| good	0.349 \| good	9.646 \| good	0.269 \| good
2026-06-28T10:00:00.000Z	49 \| good	8.675 \| good	14.78 \| good	17.7 \| good	0.323 \| good	9.467 \| good	0.24 \| good
2026-06-28T11:00:00.000Z	49 \| good	8.551 \| good	14.737 \| good	16.104 \| good	0.343 \| good	7.185 \| good	0.268 \| good
2026-06-28T12:00:00.000Z	44 \| good	8.446 \| good	13.819 \| good	14.067 \| good	0.364 \| good	7.844 \| good	0.24 \| good
2026-06-28T13:00:00.000Z	44 \| good	8.394 \| good	14.199 \| good	14.889 \| good	0.544 \| good	5.247 \| good	0.213 \| good
2026-06-28T14:00:00.000Z	44 \| good	8.397 \| good	13.826 \| good	19.214 \| good	0.223 \| good	4.208 \| good	0.195 \| good
2026-06-28T15:00:00.000Z	44 \| good	7.799 \| good	12.051 \| good	21.843 \| good	0.25 \| good	3.64 \| good	0.173 \| good
2026-06-28T16:00:00.000Z	44 \| good	7.76 \| good	11.243 \| good	30.909 \| good	0.329 \| good	4.824 \| good	0.21 \| good
2026-06-28T17:00:00.000Z	44 \| good	7.868 \| good	11.274 \| good	32.54 \| good	0.22 \| good	5.525 \| good	0.173 \| good
2026-06-28T18:00:00.000Z	44 \| good	8.121 \| good	12.181 \| good	40.34 \| good	0.205 \| good	4.981 \| good	0.195 \| good
2026-06-28T19:00:00.000Z	44 \| good	8.032 \| good	11.354 \| good	37.665 \| good	0.295 \| good	3.362 \| good	0.232 \| good
2026-06-28T20:00:00.000Z	44 \| good	8.215 \| good	12.204 \| good	37.878 \| good	0.343 \| good	3.096 \| good	0.195 \| good
2026-06-28T21:00:00.000Z	49 \| good	8.541 \| good	12.149 \| good	45.556 \| good	0.369 \| good	4.233 \| good	0.195 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.566 \| good	12.131 \| good	48.337 \| good	0.33 \| good	5.187 \| good	0.209 \| good
2026-06-28T23:00:00.000Z	51 \| moderate	8.32 \| good	12.057 \| good	54.977 \| good	0.3 \| good	6.086 \| good	0.188 \| good
2026-06-29T00:00:00.000Z	47 \| good	7.745 \| good	11.199 \| good	51.419 \| good	0.302 \| good	4.733 \| good	0.209 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.714 \| good	13.827 \| good	47.615 \| good	0.337 \| good	6.264 \| good	0.188 \| good
2026-06-29T02:00:00.000Z	44 \| good	7.989 \| good	16.362 \| good	46.935 \| good	0.387 \| good	6.398 \| good	0.188 \| good
2026-06-29T03:00:00.000Z	62 \| moderate	15.13 \| fine	67.63 \| fine	43.08 \| good	0.32 \| good	8.908 \| good	0.243 \| good
2026-06-29T04:00:00.000Z	44 \| good	8.16 \| good	17.273 \| good	42.071 \| good	0.385 \| good	7.127 \| good	0.209 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.908 \| good	16.415 \| good	40.835 \| good	0.399 \| good	8.919 \| good	0.186 \| good
2026-06-29T06:00:00.000Z	44 \| good	7.714 \| good	14.781 \| good	33.994 \| good	0.307 \| good	8.899 \| good	0.193 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.679 \| good	14.892 \| good	30.787 \| good	0.494 \| good	10.225 \| good	0.208 \| good
2026-06-29T08:00:00.000Z	44 \| good	7.558 \| good	13.93 \| good	27.144 \| good	0.305 \| good	12.541 \| good	0.193 \| good
2026-06-29T09:00:00.000Z	38 \| good	7.46 \| good	14.099 \| good	26.342 \| good	0.31 \| good	11.033 \| good	0.185 \| good
2026-06-29T10:00:00.000Z	44 \| good	7.725 \| good	15.951 \| good	22.579 \| good	0.164 \| good	8.041 \| good	0.189 \| good
2026-06-29T11:00:00.000Z	44 \| good	7.922 \| good	16.803 \| good	21.132 \| good	0.322 \| good	11.208 \| good	0.226 \| good
2026-06-29T12:00:00.000Z	44 \| good	7.863 \| good	21.091 \| good	19.027 \| good	0.272 \| good	9.257 \| good	0.216 \| good
2026-06-29T13:00:00.000Z	44 \| good	7.725 \| good	21.795 \| good	18.127 \| good	0.382 \| good	7.039 \| good	0.25 \| good
2026-06-29T14:00:00.000Z	49 \| good	8.773 \| good	19.617 \| good	24.151 \| good	0.387 \| good	4.598 \| good	0.181 \| good
2026-06-29T15:00:00.000Z	49 \| good	9.284 \| good	17.908 \| good	31.357 \| good	0.305 \| good	5.382 \| good	0.174 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.412 \| good	17.1 \| good	29.215 \| good	0.274 \| good	6.004 \| good	0.188 \| good
2026-06-29T17:00:00.000Z	54 \| moderate	11.21 \| good	21.282 \| good	32.359 \| good	0.3 \| good	4.51 \| good	0.203 \| good
2026-06-29T18:00:00.000Z	54 \| moderate	10.504 \| good	30.26 \| good	39.85 \| good	0.335 \| good	6.037 \| good	0.193 \| good
2026-06-29T18:00:00.000Z	32 \| good	3.649 \| good	16.182 \| good	35.061 \| good	0.188 \| good	0.48 \| good	0.146 \| good
2026-06-29T19:00:00.000Z	32 \| good	3.229 \| good	14.185 \| good	34.997 \| good	0.183 \| good	0.505 \| good	0.145 \| good
2026-06-29T20:00:00.000Z	31 \| good	3.097 \| good	13.074 \| good	34.381 \| good	0.179 \| good	0.545 \| good	0.145 \| good
2026-06-29T21:00:00.000Z	31 \| good	3.204 \| good	13.895 \| good	34.294 \| good	0.177 \| good	0.739 \| good	0.149 \| good
2026-06-29T22:00:00.000Z	32 \| good	4.684 \| good	20.501 \| good	34.83 \| good	0.171 \| good	1.42 \| good	0.164 \| good
2026-06-29T23:00:00.000Z	33 \| good	5.951 \| good	25.946 \| good	35.97 \| good	0.175 \| good	2.335 \| good	0.184 \| good
2026-06-30T00:00:00.000Z	49 \| good	8.611 \| good	37.872 \| good	42.363 \| good	0.212 \| good	3.648 \| good	0.196 \| good
2026-06-30T01:00:00.000Z	52 \| moderate	10.496 \| good	46.624 \| good	44.048 \| good	0.286 \| good	6.38 \| good	0.215 \| good
2026-06-30T02:00:00.000Z	58 \| moderate	12.961 \| fine	58.71 \| fine	40.803 \| good	0.363 \| good	6.455 \| good	0.206 \| good
2026-06-30T03:00:00.000Z	60 \| moderate	14.233 \| fine	63.811 \| fine	37.439 \| good	0.472 \| good	6.535 \| good	0.192 \| good
2026-06-30T04:00:00.000Z	60 \| moderate	13.921 \| fine	62.553 \| fine	34.392 \| good	0.579 \| good	7.243 \| good	0.184 \| good
2026-06-30T05:00:00.000Z	56 \| moderate	12.163 \| fine	54.366 \| good	30.745 \| good	0.654 \| good	7.792 \| good	0.178 \| good
2026-06-30T06:00:00.000Z	56 \| moderate	11.617 \| good	51.211 \| good	27.992 \| good	0.713 \| good	8.424 \| good	0.173 \| good
2026-06-30T07:00:00.000Z	54 \| moderate	11.49 \| good	50.815 \| good	25.588 \| good	0.753 \| good	8.966 \| good	0.172 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	11.592 \| good	51.123 \| good	23.711 \| good	0.772 \| good	9.4 \| good	0.174 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.728 \| fine	57.002 \| fine	23.095 \| good	0.77 \| good	9.677 \| good	0.179 \| good
2026-06-30T10:00:00.000Z	60 \| moderate	13.727 \| fine	61.388 \| fine	20.986 \| good	0.75 \| good	9.718 \| good	0.186 \| good
2026-06-30T11:00:00.000Z	62 \| moderate	15.208 \| fine	67.941 \| fine	24.527 \| good	0.667 \| good	7.558 \| good	0.193 \| good
2026-06-30T12:00:00.000Z	60 \| moderate	13.661 \| fine	61.388 \| fine	32.963 \| good	0.599 \| good	4.886 \| good	0.2 \| good
2026-06-30T13:00:00.000Z	56 \| moderate	12.426 \| fine	56.241 \| fine	41.814 \| good	0.596 \| good	2.908 \| good	0.201 \| good
2026-06-30T14:00:00.000Z	56 \| moderate	12.382 \| fine	55.89 \| fine	48.68 \| good	0.576 \| good	1.705 \| good	0.194 \| good
2026-06-30T15:00:00.000Z	56 \| moderate	12.199 \| fine	54.877 \| good	53.231 \| good	0.559 \| good	1.115 \| good	0.18 \| good
2026-06-30T16:00:00.000Z	54 \| moderate	11.452 \| good	50.645 \| good	54.773 \| good	0.511 \| good	0.895 \| good	0.171 \| good
2026-06-30T17:00:00.000Z	54 \| moderate	10.875 \| good	48.383 \| good	54.542 \| good	0.48 \| good	0.822 \| good	0.167 \| good
2026-06-30T18:00:00.000Z	64 \| moderate	10.588 \| good	47.05 \| good	59.138 \| fine	0.48 \| good	0.824 \| good	0.166 \| good
2026-06-30T19:00:00.000Z	77 \| moderate	11.677 \| good	52.399 \| good	63.273 \| fine	0.5 \| good	0.867 \| good	0.165 \| good
2026-06-30T20:00:00.000Z	90 \| moderate	11.777 \| good	52.143 \| good	67.301 \| fine	0.51 \| good	0.985 \| good	0.164 \| good
2026-06-30T21:00:00.000Z	87 \| moderate	9.766 \| good	43.315 \| good	65.663 \| fine	0.512 \| good	1.146 \| good	0.163 \| good
2026-06-30T22:00:00.000Z	58 \| moderate	7.785 \| good	33.96 \| good	56.893 \| fine	0.482 \| good	1.604 \| good	0.165 \| good
2026-06-30T23:00:00.000Z	44 \| good	5.933 \| good	26.472 \| good	47.081 \| good	0.444 \| good	2.371 \| good	0.168 \| good
2026-07-01T00:00:00.000Z	41 \| good	5.727 \| good	24.26 \| good	43.982 \| good	0.42 \| good	3.278 \| good	0.167 \| good
2026-07-01T01:00:00.000Z	36 \| good	6.458 \| good	28.818 \| good	39.467 \| good	0.422 \| good	4.424 \| good	0.165 \| good
2026-07-01T02:00:00.000Z	44 \| good	8.087 \| good	35.23 \| good	36.506 \| good	0.449 \| good	5.511 \| good	0.166 \| good
2026-07-01T03:00:00.000Z	54 \| moderate	10.644 \| good	47.116 \| good	32.458 \| good	0.5 \| good	6.604 \| good	0.165 \| good
2026-07-01T04:00:00.000Z	58 \| moderate	13.346 \| fine	60.038 \| fine	28.671 \| good	0.544 \| good	7.325 \| good	0.166 \| good
2026-07-01T05:00:00.000Z	58 \| moderate	12.961 \| fine	58.765 \| fine	30.581 \| good	0.559 \| good	7.361 \| good	0.167 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.195 \| good	49.448 \| good	30.465 \| good	0.563 \| good	6.966 \| good	0.163 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	9.866 \| good	44.12 \| good	28.075 \| good	0.565 \| good	5.968 \| good	0.155 \| good
2026-07-01T08:00:00.000Z	49 \| good	9.285 \| good	41.273 \| good	25.96 \| good	0.557 \| good	5.198 \| good	0.149 \| good
2026-07-01T09:00:00.000Z	44 \| good	8.489 \| good	37.2 \| good	23.431 \| good	0.545 \| good	4.919 \| good	0.147 \| good
2026-07-01T10:00:00.000Z	44 \| good	8.447 \| good	37.095 \| good	24.362 \| good	0.525 \| good	4.801 \| good	0.147 \| good
2026-07-01T11:00:00.000Z	49 \| good	8.984 \| good	39.614 \| good	29.339 \| good	0.494 \| good	4.082 \| good	0.151 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.587 \| good	42.703 \| good	36.134 \| good	0.495 \| good	3.327 \| good	0.159 \| good
2026-07-01T13:00:00.000Z	58 \| moderate	12.638 \| fine	57.003 \| fine	44.259 \| good	0.53 \| good	2.386 \| good	0.169 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	17.11 \| fine	76.244 \| fine	47.941 \| good	0.556 \| good	1.651 \| good	0.179 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.968 \| fine	92.945 \| fine	49.656 \| good	0.587 \| good	1.31 \| good	0.188 \| good
2026-07-01T16:00:00.000Z	77 \| moderate	22.989 \| fine	100.945 \| fine	49.685 \| good	0.63 \| good	1.135 \| good	0.197 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	23.254 \| fine	101.519 \| fine	48.409 \| good	0.661 \| good	1.002 \| good	0.198 \| 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
Bridgeport, Connecticut	56 Moderate	12.26μg/m³ Fine	24.46μg/m³ Good	40.10ppb Good	0.30ppb Good	5.25ppb Good	0.23ppm Good
Bloomfield, Connecticut	56 Moderate	11.63μg/m³ Good	22.89μg/m³ Good	33.97ppb Good	0.26ppb Good	3.90ppb Good	0.11ppm Good
East Hartford, Connecticut	56 Moderate	11.87μg/m³ Good	20.88μg/m³ Good	33.39ppb Good	0.26ppb Good	3.09ppb Good	0.12ppm Good
East Haven, Connecticut	56 Moderate	11.84μg/m³ Good	21.42μg/m³ Good	41.05ppb Good	0.30ppb Good	10.01ppb Good	0.29ppm Good
Hamden, Connecticut	56 Moderate	11.66μg/m³ Good	23.94μg/m³ Good	39.27ppb Good	0.30ppb Good	8.67ppb Good	0.27ppm Good
Manchester, Connecticut	56 Moderate	11.64μg/m³ Good	20.74μg/m³ Good	31.98ppb Good	0.26ppb Good	3.23ppb Good	0.13ppm Good
New Haven, Connecticut	56 Moderate	11.97μg/m³ Good	20.36μg/m³ Good	41.74ppb Good	0.30ppb Good	10.33ppb Good	0.30ppm Good
South Windsor, Connecticut	56 Moderate	11.82μg/m³ Good	24.91μg/m³ Good	32.91ppb Good	0.26ppb Good	3.24ppb Good	0.12ppm Good
Windsor, Connecticut	56 Moderate	11.83μg/m³ Good	22.27μg/m³ Good	33.45ppb Good	0.26ppb Good	3.33ppb Good	0.12ppm Good
West Haven, Connecticut	56 Moderate	11.78μg/m³ Good	23.88μg/m³ Good	40.22ppb Good	0.32ppb Good	9.37ppb Good	0.28ppm Good
Avon, Connecticut	54 Moderate	11.11μg/m³ Good	23.82μg/m³ Good	32.46ppb Good	0.27ppb Good	3.83ppb Good	0.14ppm Good
Berlin, Connecticut	54 Moderate	11.36μg/m³ Good	23.58μg/m³ Good	35.02ppb Good	0.27ppb Good	3.93ppb Good	0.15ppm Good
Cheshire, Connecticut	54 Moderate	11.48μg/m³ Good	20.35μg/m³ Good	32.16ppb Good	0.28ppb Good	5.02ppb Good	0.22ppm Good
Bristol, Connecticut	54 Moderate	11.13μg/m³ Good	29.23μg/m³ Good	30.92ppb Good	0.28ppb Good	4.04ppb Good	0.18ppm Good
Branford, Connecticut	56 Moderate	11.51μg/m³ Good	25.22μg/m³ Good	40.34ppb Good	0.31ppb Good	9.36ppb Good	0.27ppm Good
East Lyme, Connecticut	54 Moderate	11.25μg/m³ Good	28.28μg/m³ Good	35.63ppb Good	0.26ppb Good	6.75ppb Good	0.17ppm Good
East Windsor, Connecticut	54 Moderate	11.42μg/m³ Good	24.38μg/m³ Good	30.32ppb Good	0.26ppb Good	3.12ppb Good	0.14ppm Good
Enfield, Connecticut	54 Moderate	11.35μg/m³ Good	39.29μg/m³ Good	29.27ppb Good	0.25ppb Good	2.81ppb Good	0.14ppm Good
Fairfield, Connecticut	54 Moderate	11.49μg/m³ Good	34.37μg/m³ Good	37.75ppb Good	0.36ppb Good	5.28ppb Good	0.23ppm Good
Ellington, Connecticut	56 Moderate	11.60μg/m³ Good	28.21μg/m³ Good	30.88ppb Good	0.25ppb Good	2.91ppb Good	0.14ppm Good
Farmington, Connecticut	54 Moderate	11.25μg/m³ Good	23.47μg/m³ Good	31.83ppb Good	0.27ppb Good	3.88ppb Good	0.15ppm Good
Glastonbury, Connecticut	54 Moderate	11.19μg/m³ Good	27.39μg/m³ Good	33.47ppb Good	0.27ppb Good	3.95ppb Good	0.13ppm Good
Hartford, Connecticut	54 Moderate	11.43μg/m³ Good	21.00μg/m³ Good	34.72ppb Good	0.27ppb Good	4.51ppb Good	0.10ppm Good
Meriden, Connecticut	54 Moderate	11.46μg/m³ Good	23.05μg/m³ Good	35.60ppb Good	0.28ppb Good	4.30ppb Good	0.19ppm Good
Naugatuck, Connecticut	54 Moderate	11.30μg/m³ Good	22.37μg/m³ Good	32.26ppb Good	0.29ppb Good	4.66ppb Good	0.21ppm Good
New Britain, Connecticut	54 Moderate	11.36μg/m³ Good	23.58μg/m³ Good	35.02ppb Good	0.27ppb Good	3.93ppb Good	0.15ppm Good
North Haven, Connecticut	56 Moderate	11.57μg/m³ Good	23.70μg/m³ Good	39.38ppb Good	0.30ppb Good	9.08ppb Good	0.27ppm Good
Newington, Connecticut	54 Moderate	11.31μg/m³ Good	25.15μg/m³ Good	34.27ppb Good	0.27ppb Good	4.33ppb Good	0.13ppm Good
North Branford, Connecticut	56 Moderate	11.60μg/m³ Good	22.19μg/m³ Good	39.54ppb Good	0.29ppb Good	7.82ppb Good	0.23ppm Good
Plainville, Connecticut	54 Moderate	11.16μg/m³ Good	29.12μg/m³ Good	31.81ppb Good	0.27ppb Good	4.04ppb Good	0.17ppm Good
Plymouth, Connecticut	54 Moderate	11.08μg/m³ Good	51.50μg/m³ Good	30.23ppb Good	0.28ppb Good	3.88ppb Good	0.18ppm Good
Somers, Connecticut	54 Moderate	11.44μg/m³ Good	28.61μg/m³ Good	30.05ppb Good	0.25ppb Good	2.78ppb Good	0.15ppm Good
Rocky Hill, Connecticut	54 Moderate	11.42μg/m³ Good	23.67μg/m³ Good	34.99ppb Good	0.27ppb Good	3.93ppb Good	0.14ppm Good
Simsbury, Connecticut	54 Moderate	11.23μg/m³ Good	24.08μg/m³ Good	29.94ppb Good	0.26ppb Good	3.00ppb Good	0.14ppm Good
Ridgefield, Connecticut	54 Moderate	11.22μg/m³ Good	23.59μg/m³ Good	31.06ppb Good	0.54ppb Good	5.36ppb Good	0.22ppm Good
Suffield, Connecticut	54 Moderate	11.34μg/m³ Good	35.13μg/m³ Good	29.68ppb Good	0.25ppb Good	2.76ppb Good	0.14ppm Good
Vernon, Connecticut	54 Moderate	11.49μg/m³ Good	24.30μg/m³ Good	30.63ppb Good	0.26ppb Good	3.21ppb Good	0.14ppm Good
Trumbull, Connecticut	56 Moderate	11.50μg/m³ Good	32.05μg/m³ Good	37.67ppb Good	0.36ppb Good	5.43ppb Good	0.23ppm Good
Southington, Connecticut	54 Moderate	11.31μg/m³ Good	22.98μg/m³ Good	32.48ppb Good	0.28ppb Good	4.12ppb Good	0.17ppm Good
Wethersfield, Connecticut	54 Moderate	11.46μg/m³ Good	23.66μg/m³ Good	33.89ppb Good	0.27ppb Good	3.86ppb Good	0.12ppm Good
Wilton, Connecticut	54 Moderate	11.24μg/m³ Good	22.95μg/m³ Good	31.33ppb Good	0.52ppb Good	5.40ppb Good	0.24ppm Good
Wolcott, Connecticut	54 Moderate	11.23μg/m³ Good	22.58μg/m³ Good	32.36ppb Good	0.29ppb Good	4.61ppb Good	0.20ppm Good
Watertown, Connecticut	54 Moderate	11.14μg/m³ Good	20.82μg/m³ Good	32.84ppb Good	0.31ppb Good	4.61ppb Good	0.20ppm Good
Waterbury, Connecticut	54 Moderate	11.30μg/m³ Good	22.01μg/m³ Good	31.41ppb Good	0.28ppb Good	4.25ppb Good	0.20ppm Good
Wallingford, Connecticut	54 Moderate	11.47μg/m³ Good	28.25μg/m³ Good	35.07ppb Good	0.28ppb Good	5.11ppb Good	0.20ppm Good
Windsor Locks, Connecticut	54 Moderate	11.38μg/m³ Good	25.18μg/m³ Good	29.59ppb Good	0.25ppb Good	2.86ppb Good	0.14ppm Good
West Hartford, Connecticut	56 Moderate	11.51μg/m³ Good	23.25μg/m³ Good	34.14ppb Good	0.27ppb Good	4.11ppb Good	0.11ppm Good
Canton, Connecticut	54 Moderate	11.04μg/m³ Good	30.36μg/m³ Good	30.19ppb Good	0.27ppb Good	3.56ppb Good	0.14ppm Good
Darien, Connecticut	54 Moderate	10.94μg/m³ Good	48.14μg/m³ Good	35.90ppb Good	0.59ppb Good	6.24ppb Good	0.24ppm Good
Granby, Connecticut	54 Moderate	10.97μg/m³ Good	24.25μg/m³ Good	30.39ppb Good	0.26ppb Good	2.84ppb Good	0.14ppm Good

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

0.11ppm

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 03:00:00 on 2026-06-29.

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 2026-06-29.

What is the AQI in Connecticut, USA right now?

As of now, the AQI in Connecticut, USA is 52, 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 10.106 μg/m³.

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

The PM₁₀ concentration in Connecticut, USA is 27.58 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 0.186 ppm.

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

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.323 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 34.006 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 5.049 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T19:00:00.000Z	37 \| good	6.178 \| good	11.993 \| good	39.581 \| good	0.375 \| good	11.198 \| good	0.209 \| good
2026-06-27T20:00:00.000Z	41 \| good	6.433 \| good	11.136 \| good	44.154 \| good	0.247 \| good	8.781 \| good	0.196 \| good
2026-06-27T21:00:00.000Z	39 \| good	6.266 \| good	10.279 \| good	42.073 \| good	0.285 \| good	8.137 \| good	0.159 \| good
2026-06-27T22:00:00.000Z	38 \| good	6.149 \| good	10.254 \| good	40.967 \| good	0.341 \| good	10.803 \| good	0.18 \| good
2026-06-27T23:00:00.000Z	38 \| good	6.233 \| good	10.117 \| good	41.209 \| good	0.272 \| good	8.169 \| good	0.217 \| good
2026-06-28T00:00:00.000Z	40 \| good	6.244 \| good	10.155 \| good	42.934 \| good	0.202 \| good	7.74 \| good	0.269 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.613 \| good	11.012 \| good	39.621 \| good	0.236 \| good	9.018 \| good	0.232 \| good
2026-06-28T02:00:00.000Z	44 \| good	8.366 \| good	13.583 \| good	39.154 \| good	0.176 \| good	11.248 \| good	0.262 \| good
2026-06-28T03:00:00.000Z	67 \| moderate	17.676 \| fine	78.573 \| fine	42.181 \| good	0.296 \| good	10.57 \| good	0.259 \| good
2026-06-28T04:00:00.000Z	49 \| good	8.838 \| good	14.643 \| good	35.852 \| good	0.269 \| good	11.146 \| good	0.291 \| good
2026-06-28T05:00:00.000Z	49 \| good	9.23 \| good	15.605 \| good	28.634 \| good	0.221 \| good	10.941 \| good	0.319 \| good
2026-06-28T06:00:00.000Z	49 \| good	9.036 \| good	15.655 \| good	19.471 \| good	0.207 \| good	9.049 \| good	0.327 \| good
2026-06-28T07:00:00.000Z	49 \| good	9.076 \| good	16.158 \| good	20.553 \| good	0.331 \| good	8.018 \| good	0.305 \| good
2026-06-28T08:00:00.000Z	49 \| good	9.046 \| good	15.68 \| good	19.243 \| good	0.223 \| good	10.946 \| good	0.306 \| good
2026-06-28T09:00:00.000Z	49 \| good	9.04 \| good	15.65 \| good	20.89 \| good	0.349 \| good	9.646 \| good	0.269 \| good
2026-06-28T10:00:00.000Z	49 \| good	8.675 \| good	14.78 \| good	17.7 \| good	0.323 \| good	9.467 \| good	0.24 \| good
2026-06-28T11:00:00.000Z	49 \| good	8.551 \| good	14.737 \| good	16.104 \| good	0.343 \| good	7.185 \| good	0.268 \| good
2026-06-28T12:00:00.000Z	44 \| good	8.446 \| good	13.819 \| good	14.067 \| good	0.364 \| good	7.844 \| good	0.24 \| good
2026-06-28T13:00:00.000Z	44 \| good	8.394 \| good	14.199 \| good	14.889 \| good	0.544 \| good	5.247 \| good	0.213 \| good
2026-06-28T14:00:00.000Z	44 \| good	8.397 \| good	13.826 \| good	19.214 \| good	0.223 \| good	4.208 \| good	0.195 \| good
2026-06-28T15:00:00.000Z	44 \| good	7.799 \| good	12.051 \| good	21.843 \| good	0.25 \| good	3.64 \| good	0.173 \| good
2026-06-28T16:00:00.000Z	44 \| good	7.76 \| good	11.243 \| good	30.909 \| good	0.329 \| good	4.824 \| good	0.21 \| good
2026-06-28T17:00:00.000Z	44 \| good	7.868 \| good	11.274 \| good	32.54 \| good	0.22 \| good	5.525 \| good	0.173 \| good
2026-06-28T18:00:00.000Z	44 \| good	8.121 \| good	12.181 \| good	40.34 \| good	0.205 \| good	4.981 \| good	0.195 \| good
2026-06-28T19:00:00.000Z	44 \| good	8.032 \| good	11.354 \| good	37.665 \| good	0.295 \| good	3.362 \| good	0.232 \| good
2026-06-28T20:00:00.000Z	44 \| good	8.215 \| good	12.204 \| good	37.878 \| good	0.343 \| good	3.096 \| good	0.195 \| good
2026-06-28T21:00:00.000Z	49 \| good	8.541 \| good	12.149 \| good	45.556 \| good	0.369 \| good	4.233 \| good	0.195 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.566 \| good	12.131 \| good	48.337 \| good	0.33 \| good	5.187 \| good	0.209 \| good
2026-06-28T23:00:00.000Z	51 \| moderate	8.32 \| good	12.057 \| good	54.977 \| good	0.3 \| good	6.086 \| good	0.188 \| good
2026-06-29T00:00:00.000Z	47 \| good	7.745 \| good	11.199 \| good	51.419 \| good	0.302 \| good	4.733 \| good	0.209 \| good
2026-06-29T01:00:00.000Z	44 \| good	7.714 \| good	13.827 \| good	47.615 \| good	0.337 \| good	6.264 \| good	0.188 \| good
2026-06-29T02:00:00.000Z	44 \| good	7.989 \| good	16.362 \| good	46.935 \| good	0.387 \| good	6.398 \| good	0.188 \| good
2026-06-29T03:00:00.000Z	62 \| moderate	15.13 \| fine	67.63 \| fine	43.08 \| good	0.32 \| good	8.908 \| good	0.243 \| good
2026-06-29T04:00:00.000Z	44 \| good	8.16 \| good	17.273 \| good	42.071 \| good	0.385 \| good	7.127 \| good	0.209 \| good
2026-06-29T05:00:00.000Z	44 \| good	7.908 \| good	16.415 \| good	40.835 \| good	0.399 \| good	8.919 \| good	0.186 \| good
2026-06-29T06:00:00.000Z	44 \| good	7.714 \| good	14.781 \| good	33.994 \| good	0.307 \| good	8.899 \| good	0.193 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.679 \| good	14.892 \| good	30.787 \| good	0.494 \| good	10.225 \| good	0.208 \| good
2026-06-29T08:00:00.000Z	44 \| good	7.558 \| good	13.93 \| good	27.144 \| good	0.305 \| good	12.541 \| good	0.193 \| good
2026-06-29T09:00:00.000Z	38 \| good	7.46 \| good	14.099 \| good	26.342 \| good	0.31 \| good	11.033 \| good	0.185 \| good
2026-06-29T10:00:00.000Z	44 \| good	7.725 \| good	15.951 \| good	22.579 \| good	0.164 \| good	8.041 \| good	0.189 \| good
2026-06-29T11:00:00.000Z	44 \| good	7.922 \| good	16.803 \| good	21.132 \| good	0.322 \| good	11.208 \| good	0.226 \| good
2026-06-29T12:00:00.000Z	44 \| good	7.863 \| good	21.091 \| good	19.027 \| good	0.272 \| good	9.257 \| good	0.216 \| good
2026-06-29T13:00:00.000Z	44 \| good	7.725 \| good	21.795 \| good	18.127 \| good	0.382 \| good	7.039 \| good	0.25 \| good
2026-06-29T14:00:00.000Z	49 \| good	8.773 \| good	19.617 \| good	24.151 \| good	0.387 \| good	4.598 \| good	0.181 \| good
2026-06-29T15:00:00.000Z	49 \| good	9.284 \| good	17.908 \| good	31.357 \| good	0.305 \| good	5.382 \| good	0.174 \| good
2026-06-29T16:00:00.000Z	52 \| moderate	10.412 \| good	17.1 \| good	29.215 \| good	0.274 \| good	6.004 \| good	0.188 \| good
2026-06-29T17:00:00.000Z	54 \| moderate	11.21 \| good	21.282 \| good	32.359 \| good	0.3 \| good	4.51 \| good	0.203 \| good
2026-06-29T18:00:00.000Z	54 \| moderate	10.504 \| good	30.26 \| good	39.85 \| good	0.335 \| good	6.037 \| good	0.193 \| good
2026-06-29T18:00:00.000Z	32 \| good	3.649 \| good	16.182 \| good	35.061 \| good	0.188 \| good	0.48 \| good	0.146 \| good
2026-06-29T19:00:00.000Z	32 \| good	3.229 \| good	14.185 \| good	34.997 \| good	0.183 \| good	0.505 \| good	0.145 \| good
2026-06-29T20:00:00.000Z	31 \| good	3.097 \| good	13.074 \| good	34.381 \| good	0.179 \| good	0.545 \| good	0.145 \| good
2026-06-29T21:00:00.000Z	31 \| good	3.204 \| good	13.895 \| good	34.294 \| good	0.177 \| good	0.739 \| good	0.149 \| good
2026-06-29T22:00:00.000Z	32 \| good	4.684 \| good	20.501 \| good	34.83 \| good	0.171 \| good	1.42 \| good	0.164 \| good
2026-06-29T23:00:00.000Z	33 \| good	5.951 \| good	25.946 \| good	35.97 \| good	0.175 \| good	2.335 \| good	0.184 \| good
2026-06-30T00:00:00.000Z	49 \| good	8.611 \| good	37.872 \| good	42.363 \| good	0.212 \| good	3.648 \| good	0.196 \| good
2026-06-30T01:00:00.000Z	52 \| moderate	10.496 \| good	46.624 \| good	44.048 \| good	0.286 \| good	6.38 \| good	0.215 \| good
2026-06-30T02:00:00.000Z	58 \| moderate	12.961 \| fine	58.71 \| fine	40.803 \| good	0.363 \| good	6.455 \| good	0.206 \| good
2026-06-30T03:00:00.000Z	60 \| moderate	14.233 \| fine	63.811 \| fine	37.439 \| good	0.472 \| good	6.535 \| good	0.192 \| good
2026-06-30T04:00:00.000Z	60 \| moderate	13.921 \| fine	62.553 \| fine	34.392 \| good	0.579 \| good	7.243 \| good	0.184 \| good
2026-06-30T05:00:00.000Z	56 \| moderate	12.163 \| fine	54.366 \| good	30.745 \| good	0.654 \| good	7.792 \| good	0.178 \| good
2026-06-30T06:00:00.000Z	56 \| moderate	11.617 \| good	51.211 \| good	27.992 \| good	0.713 \| good	8.424 \| good	0.173 \| good
2026-06-30T07:00:00.000Z	54 \| moderate	11.49 \| good	50.815 \| good	25.588 \| good	0.753 \| good	8.966 \| good	0.172 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	11.592 \| good	51.123 \| good	23.711 \| good	0.772 \| good	9.4 \| good	0.174 \| good
2026-06-30T09:00:00.000Z	58 \| moderate	12.728 \| fine	57.002 \| fine	23.095 \| good	0.77 \| good	9.677 \| good	0.179 \| good
2026-06-30T10:00:00.000Z	60 \| moderate	13.727 \| fine	61.388 \| fine	20.986 \| good	0.75 \| good	9.718 \| good	0.186 \| good
2026-06-30T11:00:00.000Z	62 \| moderate	15.208 \| fine	67.941 \| fine	24.527 \| good	0.667 \| good	7.558 \| good	0.193 \| good
2026-06-30T12:00:00.000Z	60 \| moderate	13.661 \| fine	61.388 \| fine	32.963 \| good	0.599 \| good	4.886 \| good	0.2 \| good
2026-06-30T13:00:00.000Z	56 \| moderate	12.426 \| fine	56.241 \| fine	41.814 \| good	0.596 \| good	2.908 \| good	0.201 \| good
2026-06-30T14:00:00.000Z	56 \| moderate	12.382 \| fine	55.89 \| fine	48.68 \| good	0.576 \| good	1.705 \| good	0.194 \| good
2026-06-30T15:00:00.000Z	56 \| moderate	12.199 \| fine	54.877 \| good	53.231 \| good	0.559 \| good	1.115 \| good	0.18 \| good
2026-06-30T16:00:00.000Z	54 \| moderate	11.452 \| good	50.645 \| good	54.773 \| good	0.511 \| good	0.895 \| good	0.171 \| good
2026-06-30T17:00:00.000Z	54 \| moderate	10.875 \| good	48.383 \| good	54.542 \| good	0.48 \| good	0.822 \| good	0.167 \| good
2026-06-30T18:00:00.000Z	64 \| moderate	10.588 \| good	47.05 \| good	59.138 \| fine	0.48 \| good	0.824 \| good	0.166 \| good
2026-06-30T19:00:00.000Z	77 \| moderate	11.677 \| good	52.399 \| good	63.273 \| fine	0.5 \| good	0.867 \| good	0.165 \| good
2026-06-30T20:00:00.000Z	90 \| moderate	11.777 \| good	52.143 \| good	67.301 \| fine	0.51 \| good	0.985 \| good	0.164 \| good
2026-06-30T21:00:00.000Z	87 \| moderate	9.766 \| good	43.315 \| good	65.663 \| fine	0.512 \| good	1.146 \| good	0.163 \| good
2026-06-30T22:00:00.000Z	58 \| moderate	7.785 \| good	33.96 \| good	56.893 \| fine	0.482 \| good	1.604 \| good	0.165 \| good
2026-06-30T23:00:00.000Z	44 \| good	5.933 \| good	26.472 \| good	47.081 \| good	0.444 \| good	2.371 \| good	0.168 \| good
2026-07-01T00:00:00.000Z	41 \| good	5.727 \| good	24.26 \| good	43.982 \| good	0.42 \| good	3.278 \| good	0.167 \| good
2026-07-01T01:00:00.000Z	36 \| good	6.458 \| good	28.818 \| good	39.467 \| good	0.422 \| good	4.424 \| good	0.165 \| good
2026-07-01T02:00:00.000Z	44 \| good	8.087 \| good	35.23 \| good	36.506 \| good	0.449 \| good	5.511 \| good	0.166 \| good
2026-07-01T03:00:00.000Z	54 \| moderate	10.644 \| good	47.116 \| good	32.458 \| good	0.5 \| good	6.604 \| good	0.165 \| good
2026-07-01T04:00:00.000Z	58 \| moderate	13.346 \| fine	60.038 \| fine	28.671 \| good	0.544 \| good	7.325 \| good	0.166 \| good
2026-07-01T05:00:00.000Z	58 \| moderate	12.961 \| fine	58.765 \| fine	30.581 \| good	0.559 \| good	7.361 \| good	0.167 \| good
2026-07-01T06:00:00.000Z	54 \| moderate	11.195 \| good	49.448 \| good	30.465 \| good	0.563 \| good	6.966 \| good	0.163 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	9.866 \| good	44.12 \| good	28.075 \| good	0.565 \| good	5.968 \| good	0.155 \| good
2026-07-01T08:00:00.000Z	49 \| good	9.285 \| good	41.273 \| good	25.96 \| good	0.557 \| good	5.198 \| good	0.149 \| good
2026-07-01T09:00:00.000Z	44 \| good	8.489 \| good	37.2 \| good	23.431 \| good	0.545 \| good	4.919 \| good	0.147 \| good
2026-07-01T10:00:00.000Z	44 \| good	8.447 \| good	37.095 \| good	24.362 \| good	0.525 \| good	4.801 \| good	0.147 \| good
2026-07-01T11:00:00.000Z	49 \| good	8.984 \| good	39.614 \| good	29.339 \| good	0.494 \| good	4.082 \| good	0.151 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.587 \| good	42.703 \| good	36.134 \| good	0.495 \| good	3.327 \| good	0.159 \| good
2026-07-01T13:00:00.000Z	58 \| moderate	12.638 \| fine	57.003 \| fine	44.259 \| good	0.53 \| good	2.386 \| good	0.169 \| good
2026-07-01T14:00:00.000Z	66 \| moderate	17.11 \| fine	76.244 \| fine	47.941 \| good	0.556 \| good	1.651 \| good	0.179 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.968 \| fine	92.945 \| fine	49.656 \| good	0.587 \| good	1.31 \| good	0.188 \| good
2026-07-01T16:00:00.000Z	77 \| moderate	22.989 \| fine	100.945 \| fine	49.685 \| good	0.63 \| good	1.135 \| good	0.197 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	23.254 \| fine	101.519 \| fine	48.409 \| good	0.661 \| good	1.002 \| good	0.198 \| 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?