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

The PM10 concentration in Connecticut, USA is 27.971 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 0.309 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 30.368 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 6.323 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 10.048 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)

10.11 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.58 μg/m³

155

255

425

605+

Ozone (O₃)

34.01 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.05 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	52 \| moderate	10.106 \| good	27.58 \| good	34.006 \| good	0.323 \| good	5.049 \| good	0.186 \| 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	12.39μg/m³ Fine	24.58μg/m³ Good	41.40ppb Good	0.40ppb Good	6.43ppb Good	0.21ppm Good
Stratford, Connecticut	56 Moderate	12.22μg/m³ Fine	45.78μg/m³ Good	37.82ppb Good	0.44ppb Good	6.05ppb Good	0.21ppm Good
Fairfield, Connecticut	56 Moderate	12.12μg/m³ Fine	34.56μg/m³ Good	37.01ppb Good	0.45ppb Good	6.50ppb Good	0.21ppm Good
Milford, Connecticut	56 Moderate	12.06μg/m³ Hazardous	43.46μg/m³ Good	37.02ppb Good	0.42ppb Good	5.83ppb Good	0.21ppm Good
Norwalk, Connecticut	56 Moderate	11.67μg/m³ Good	46.86μg/m³ Good	29.72ppb Good	0.54ppb Good	6.94ppb Good	0.21ppm Good
Trumbull, Connecticut	56 Moderate	12.13μg/m³ Fine	33.75μg/m³ Good	38.06ppb Good	0.44ppb Good	6.33ppb Good	0.21ppm Good
Westport, Connecticut	56 Moderate	11.71μg/m³ Good	49.91μg/m³ Good	28.57ppb Good	0.55ppb Good	7.21ppb Good	0.22ppm Good
Bloomfield, Connecticut	54 Moderate	11.11μg/m³ Good	21.62μg/m³ Good	28.15ppb Good	0.22ppb Good	9.36ppb Good	0.20ppm Good
Branford, Connecticut	54 Moderate	11.11μg/m³ Good	28.26μg/m³ Good	35.80ppb Good	0.24ppb Good	4.80ppb Good	0.20ppm Good
East Haven, Connecticut	54 Moderate	11.07μg/m³ Good	23.50μg/m³ Good	35.54ppb Good	0.21ppb Good	4.49ppb Good	0.20ppm Good
Darien, Connecticut	54 Moderate	11.19μg/m³ Good	47.66μg/m³ Good	44.23ppb Good	0.67ppb Good	6.83ppb Good	0.27ppm Good
Hamden, Connecticut	54 Moderate	11.09μg/m³ Good	23.78μg/m³ Good	34.66ppb Good	0.23ppb Good	4.89ppb Good	0.20ppm Good
Hartford, Connecticut	54 Moderate	11.36μg/m³ Good	20.91μg/m³ Good	29.21ppb Good	0.23ppb Good	12.22ppb Good	0.20ppm Good
New Haven, Connecticut	54 Moderate	11.11μg/m³ Good	22.46μg/m³ Good	35.96ppb Good	0.20ppb Good	4.36ppb Good	0.20ppm Good
Weston, Connecticut	56 Moderate	11.53μg/m³ Good	42.21μg/m³ Good	30.64ppb Good	0.53ppb Good	6.78ppb Good	0.21ppm Good
West Hartford, Connecticut	54 Moderate	11.14μg/m³ Good	21.29μg/m³ Good	28.48ppb Good	0.22ppb Good	9.89ppb Good	0.20ppm Good
West Haven, Connecticut	54 Moderate	11.28μg/m³ Good	26.27μg/m³ Good	35.89ppb Good	0.25ppb Good	4.67ppb Good	0.20ppm Good
Berlin, Connecticut	54 Moderate	10.63μg/m³ Good	23.91μg/m³ Good	28.93ppb Good	0.23ppb Good	6.95ppb Good	0.20ppm Good
East Hampton, Connecticut	54 Moderate	10.63μg/m³ Good	20.91μg/m³ Good	27.87ppb Good	0.23ppb Good	6.21ppb Good	0.21ppm Good
East Lyme, Connecticut	54 Moderate	10.89μg/m³ Good	26.70μg/m³ Good	30.45ppb Good	0.25ppb Good	6.01ppb Good	0.22ppm Good
East Hartford, Connecticut	54 Moderate	10.79μg/m³ Good	19.49μg/m³ Good	26.88ppb Good	0.22ppb Good	6.36ppb Good	0.20ppm Good
Cromwell, Connecticut	54 Moderate	10.65μg/m³ Good	26.50μg/m³ Good	28.97ppb Good	0.23ppb Good	6.37ppb Good	0.20ppm Good
Enfield, Connecticut	54 Moderate	10.85μg/m³ Good	22.58μg/m³ Good	29.69ppb Good	0.20ppb Good	4.30ppb Good	0.19ppm Good
Guilford, Connecticut	54 Moderate	10.72μg/m³ Good	20.75μg/m³ Good	36.79ppb Good	0.24ppb Good	5.67ppb Good	0.20ppm Good
Glastonbury, Connecticut	54 Moderate	10.76μg/m³ Good	23.09μg/m³ Good	27.73ppb Good	0.23ppb Good	6.96ppb Good	0.20ppm Good
Manchester, Connecticut	54 Moderate	10.87μg/m³ Good	19.49μg/m³ Good	31.28ppb Good	0.22ppb Good	6.63ppb Good	0.20ppm Good
Middletown, Connecticut	54 Moderate	10.60μg/m³ Good	27.30μg/m³ Good	29.03ppb Good	0.23ppb Good	6.06ppb Good	0.20ppm Good
Newington, Connecticut	54 Moderate	11.01μg/m³ Good	21.21μg/m³ Good	28.58ppb Good	0.23ppb Good	8.90ppb Good	0.20ppm Good
North Haven, Connecticut	54 Moderate	11.00μg/m³ Good	24.83μg/m³ Good	34.48ppb Good	0.22ppb Good	4.80ppb Good	0.20ppm Good
New Britain, Connecticut	54 Moderate	10.63μg/m³ Good	23.91μg/m³ Good	28.93ppb Good	0.23ppb Good	6.95ppb Good	0.20ppm Good
New Canaan, Connecticut	54 Moderate	10.64μg/m³ Good	42.45μg/m³ Good	32.76ppb Good	0.65ppb Good	6.05ppb Good	0.27ppm Good
Rocky Hill, Connecticut	54 Moderate	10.88μg/m³ Good	19.93μg/m³ Good	28.94ppb Good	0.23ppb Good	6.65ppb Good	0.20ppm Good
South Windsor, Connecticut	54 Moderate	10.83μg/m³ Good	23.49μg/m³ Good	26.91ppb Good	0.21ppb Good	6.35ppb Good	0.20ppm Good
Stonington, Connecticut	54 Moderate	10.85μg/m³ Good	36.62μg/m³ Good	29.92ppb Good	0.19ppb Good	7.38ppb Good	0.25ppm Good
Vernon, Connecticut	54 Moderate	10.80μg/m³ Good	22.46μg/m³ Good	29.00ppb Good	0.22ppb Good	6.34ppb Good	0.21ppm Good
Suffield, Connecticut	54 Moderate	10.85μg/m³ Good	22.38μg/m³ Good	28.42ppb Good	0.19ppb Good	4.11ppb Good	0.19ppm Good
Windsor Locks, Connecticut	54 Moderate	10.70μg/m³ Good	29.56μg/m³ Good	29.41ppb Good	0.20ppb Good	4.58ppb Good	0.19ppm Good
Wethersfield, Connecticut	54 Moderate	10.97μg/m³ Good	20.84μg/m³ Good	27.96ppb Good	0.23ppb Good	8.48ppb Good	0.20ppm Good
Windsor, Connecticut	54 Moderate	10.90μg/m³ Good	20.97μg/m³ Good	27.24ppb Good	0.22ppb Good	7.20ppb Good	0.20ppm Good
Avon, Connecticut	52 Moderate	10.40μg/m³ Good	32.24μg/m³ Good	29.85ppb Good	0.23ppb Good	7.56ppb Good	0.19ppm Good
Colchester, Connecticut	52 Moderate	10.12μg/m³ Good	43.15μg/m³ Good	31.85ppb Good	0.23ppb Good	6.02ppb Good	0.21ppm Good
East Windsor, Connecticut	52 Moderate	10.46μg/m³ Good	33.11μg/m³ Good	28.84ppb Good	0.21ppb Good	5.71ppb Good	0.20ppm Good
Clinton, Connecticut	52 Moderate	10.13μg/m³ Good	41.73μg/m³ Good	31.22ppb Good	0.24ppb Good	6.29ppb Good	0.21ppm Good
Farmington, Connecticut	52 Moderate	10.31μg/m³ Good	28.49μg/m³ Good	32.57ppb Good	0.23ppb Good	7.02ppb Good	0.19ppm Good
Ellington, Connecticut	54 Moderate	10.52μg/m³ Good	31.95μg/m³ Good	25.48ppb Good	0.20ppb Good	4.95ppb Good	0.20ppm Good
Madison, Connecticut	52 Moderate	10.24μg/m³ Good	40.81μg/m³ Good	31.49ppb Good	0.24ppb Good	6.31ppb Good	0.21ppm Good
Meriden, Connecticut	52 Moderate	10.22μg/m³ Good	22.90μg/m³ Good	28.98ppb Good	0.24ppb Good	6.34ppb Good	0.20ppm Good
Naugatuck, Connecticut	54 Moderate	10.52μg/m³ Good	18.35μg/m³ Good	29.06ppb Good	0.26ppb Good	6.01ppb Good	0.19ppm Good
North Branford, Connecticut	52 Moderate	10.04μg/m³ Good	35.27μg/m³ Good	29.16ppb Good	0.23ppb Good	5.36ppb Good	0.20ppm Good
Old Saybrook, Connecticut	52 Moderate	10.27μg/m³ Good	43.59μg/m³ Good	28.91ppb Good	0.24ppb Good	6.51ppb Good	0.21ppm Good

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

0.12ppm

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 10.048 μg/m³.

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

The PM₁₀ concentration in Connecticut, USA is 27.971 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 0.207 ppm.

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

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.309 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 30.368 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 6.323 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	52 \| moderate	10.106 \| good	27.58 \| good	34.006 \| good	0.323 \| good	5.049 \| good	0.186 \| 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?