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

The PM10 concentration in Connecticut, USA is 21.639 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 0.127 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 43.429 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 4.451 ppb.

Live air quality index in Connecticut, USA today

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

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

Live AQI (Air Quality Index)

Good

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)

6.84 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.43 μg/m³

155

255

425

605+

Ozone (O₃)

44.19 ppb

201

201+

Sulfur Dioxide (SO₂)

0.22 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2025-09-11T23:00:00.000Z	37 \| good	4.049 \| good	10.19 \| good	40.484 \| good	0.225 \| good	7.827 \| good	0.208 \| good
2025-09-12T00:00:00.000Z	36 \| good	4.157 \| good	10.228 \| good	38.694 \| good	0.126 \| good	7.476 \| good	0.295 \| good
2025-09-12T01:00:00.000Z	32 \| good	4.915 \| good	11.998 \| good	34.532 \| good	0.183 \| good	15.615 \| good	0.36 \| good
2025-09-12T02:00:00.000Z	30 \| good	5.442 \| good	13.04 \| good	32.134 \| good	0.23 \| good	22.716 \| good	0.447 \| good
2025-09-12T03:00:00.000Z	52 \| moderate	9.661 \| good	42.996 \| good	19.691 \| good	0.986 \| good	21.993 \| good	0.395 \| good
2025-09-12T04:00:00.000Z	33 \| good	5.857 \| good	12.277 \| good	25.876 \| good	0.212 \| good	22.976 \| good	0.405 \| good
2025-09-12T05:00:00.000Z	33 \| good	5.975 \| good	12.551 \| good	19.261 \| good	0.182 \| good	23.003 \| good	0.355 \| good
2025-09-12T06:00:00.000Z	33 \| good	5.787 \| good	12.284 \| good	30.765 \| good	0.38 \| good	14.021 \| good	0.296 \| good
2025-09-12T07:00:00.000Z	33 \| good	5.694 \| good	11.29 \| good	20.905 \| good	0.212 \| good	13.044 \| good	0.296 \| good
2025-09-12T08:00:00.000Z	33 \| good	5.584 \| good	11.325 \| good	20.075 \| good	0.199 \| good	10.324 \| good	0.265 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.673 \| good	12.035 \| good	20.33 \| good	0.148 \| good	7.175 \| good	0.243 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.665 \| good	12.065 \| good	21.571 \| good	0.197 \| good	8.878 \| good	0.229 \| good
2025-09-12T11:00:00.000Z	33 \| good	5.759 \| good	12.115 \| good	18.705 \| good	0.345 \| good	11.271 \| good	0.229 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.777 \| good	13.163 \| good	20.357 \| good	0.143 \| good	13.958 \| good	0.257 \| good
2025-09-12T13:00:00.000Z	33 \| good	5.88 \| good	13.391 \| good	18.448 \| good	0.152 \| good	8.645 \| good	0.244 \| good
2025-09-12T14:00:00.000Z	33 \| good	5.955 \| good	14.211 \| good	20.744 \| good	0.142 \| good	4.957 \| good	0.17 \| good
2025-09-12T15:00:00.000Z	33 \| good	6.03 \| good	14.916 \| good	27.201 \| good	0.23 \| good	3.153 \| good	0.163 \| good
2025-09-12T16:00:00.000Z	33 \| good	6.121 \| good	14.905 \| good	29.71 \| good	0.211 \| good	2.567 \| good	0.163 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.216 \| good	14.925 \| good	32.085 \| good	0.112 \| good	2.712 \| good	0.163 \| good
2025-09-12T18:00:00.000Z	33 \| good	6.225 \| good	14.019 \| good	33.159 \| good	0.142 \| good	2.557 \| good	0.163 \| good
2025-09-12T19:00:00.000Z	35 \| good	6.231 \| good	13.137 \| good	37.552 \| good	0.112 \| good	2.953 \| good	0.163 \| good
2025-09-12T20:00:00.000Z	34 \| good	6.223 \| good	13.049 \| good	37.266 \| good	0.16 \| good	3.018 \| good	0.163 \| good
2025-09-12T21:00:00.000Z	36 \| good	6.276 \| good	13.901 \| good	38.693 \| good	0.12 \| good	4.138 \| good	0.163 \| good
2025-09-12T22:00:00.000Z	40 \| good	6.256 \| good	13.789 \| good	42.63 \| good	0.162 \| good	2.327 \| good	0.199 \| good
2025-09-12T23:00:00.000Z	39 \| good	6.34 \| good	13.752 \| good	42.297 \| good	0.11 \| good	2.8 \| good	0.178 \| good
2025-09-13T00:00:00.000Z	38 \| good	6.622 \| good	13.849 \| good	39.641 \| good	0.128 \| good	8.428 \| good	0.237 \| good
2025-09-13T01:00:00.000Z	38 \| good	6.671 \| good	13.96 \| good	35.482 \| good	0.225 \| good	10.03 \| good	0.23 \| good
2025-09-13T02:00:00.000Z	38 \| good	6.714 \| good	13.973 \| good	30.393 \| good	0.189 \| good	12.401 \| good	0.23 \| good
2025-09-13T03:00:00.000Z	38 \| good	6.641 \| good	13.941 \| good	25.96 \| good	0.306 \| good	6.132 \| good	0.243 \| good
2025-09-13T04:00:00.000Z	38 \| good	6.693 \| good	13.164 \| good	25.973 \| good	0.305 \| good	5.713 \| good	0.243 \| good
2025-09-13T05:00:00.000Z	38 \| good	7.035 \| good	14.091 \| good	26.803 \| good	0.193 \| good	6.251 \| good	0.316 \| good
2025-09-13T06:00:00.000Z	38 \| good	7.466 \| good	14.053 \| good	26.043 \| good	0.214 \| good	7.896 \| good	0.287 \| good
2025-09-13T07:00:00.000Z	44 \| good	7.836 \| good	15.152 \| good	22.26 \| good	0.179 \| good	10.361 \| good	0.308 \| good
2025-09-13T08:00:00.000Z	44 \| good	7.878 \| good	15.047 \| good	16.137 \| good	0.207 \| good	9.859 \| good	0.316 \| good
2025-09-13T09:00:00.000Z	44 \| good	8.255 \| good	15.19 \| good	12.699 \| good	0.333 \| good	12.156 \| good	0.258 \| good
2025-09-13T10:00:00.000Z	44 \| good	8.421 \| good	15.526 \| good	10.089 \| good	0.34 \| good	11.5 \| good	0.272 \| good
2025-09-13T11:00:00.000Z	44 \| good	8.01 \| good	15.455 \| good	9.79 \| good	0.346 \| good	10.333 \| good	0.302 \| good
2025-09-13T12:00:00.000Z	44 \| good	8.426 \| good	16.336 \| good	15.122 \| good	0.137 \| good	11.18 \| good	0.294 \| good
2025-09-13T13:00:00.000Z	49 \| good	9.331 \| good	17.94 \| good	10.868 \| good	0.106 \| good	8.761 \| good	0.301 \| good
2025-09-13T14:00:00.000Z	49 \| good	8.624 \| good	17.687 \| good	21.432 \| good	0.223 \| good	9.199 \| good	0.272 \| good
2025-09-13T15:00:00.000Z	44 \| good	8.185 \| good	16.7 \| good	26.302 \| good	0.151 \| good	5.11 \| good	0.22 \| good
2025-09-13T16:00:00.000Z	44 \| good	8.13 \| good	15.775 \| good	28.452 \| good	0.141 \| good	5.191 \| good	0.22 \| good
2025-09-13T17:00:00.000Z	44 \| good	7.965 \| good	14.893 \| good	34.717 \| good	0.149 \| good	5.215 \| good	0.242 \| good
2025-09-13T18:00:00.000Z	44 \| good	8.062 \| good	15.005 \| good	40.581 \| good	0.187 \| good	5.37 \| good	0.286 \| good
2025-09-13T19:00:00.000Z	44 \| good	8.17 \| good	15.078 \| good	43.204 \| good	0.105 \| good	4.765 \| good	0.228 \| good
2025-09-13T20:00:00.000Z	44 \| good	8.148 \| good	15.96 \| good	48.358 \| good	0.142 \| good	4.934 \| good	0.22 \| good
2025-09-13T21:00:00.000Z	44 \| good	8.066 \| good	15.936 \| good	46.418 \| good	0.146 \| good	6.176 \| good	0.22 \| good
2025-09-13T22:00:00.000Z	44 \| good	7.865 \| good	15.936 \| good	41.228 \| good	0.2 \| good	5.687 \| good	0.221 \| good
2025-09-13T22:00:00.000Z	41 \| good	6.837 \| good	19.433 \| good	44.189 \| good	0.22 \| good	4.987 \| good	0.242 \| good
2025-09-13T20:00:00.000Z	44 \| good	7.569 \| good	33.446 \| good	45.947 \| good	1.723 \| good	1.931 \| good	0.199 \| good
2025-09-13T21:00:00.000Z	41 \| good	6.801 \| good	29.932 \| good	44.112 \| good	1.718 \| good	2.045 \| good	0.204 \| good
2025-09-13T22:00:00.000Z	39 \| good	7.274 \| good	32.4 \| good	41.624 \| good	1.685 \| good	4.934 \| good	0.232 \| good
2025-09-13T23:00:00.000Z	52 \| moderate	9.529 \| good	42.61 \| good	41.45 \| good	1.651 \| good	7.822 \| good	0.26 \| good
2025-09-14T00:00:00.000Z	58 \| moderate	12.594 \| fine	56.578 \| fine	35.111 \| good	1.618 \| good	10.71 \| good	0.288 \| good
2025-09-14T01:00:00.000Z	58 \| moderate	13.059 \| fine	58.398 \| fine	30.296 \| good	1.652 \| good	10.156 \| good	0.27 \| good
2025-09-14T02:00:00.000Z	56 \| moderate	11.645 \| good	51.71 \| good	27.138 \| good	1.686 \| good	9.601 \| good	0.253 \| good
2025-09-14T03:00:00.000Z	56 \| moderate	12.069 \| good	54.453 \| good	25.14 \| good	1.72 \| good	9.046 \| good	0.235 \| good
2025-09-14T04:00:00.000Z	56 \| moderate	11.638 \| good	51.784 \| good	23.639 \| good	1.679 \| good	8.852 \| good	0.22 \| good
2025-09-14T05:00:00.000Z	54 \| moderate	10.872 \| good	48.381 \| good	23.32 \| good	1.638 \| good	8.658 \| good	0.205 \| good
2025-09-14T06:00:00.000Z	49 \| good	9.169 \| good	40.752 \| good	21.894 \| good	1.597 \| good	8.464 \| good	0.19 \| good
2025-09-14T07:00:00.000Z	49 \| good	9.306 \| good	41.489 \| good	19.653 \| good	1.725 \| good	8.683 \| good	0.187 \| good
2025-09-14T08:00:00.000Z	54 \| moderate	11.217 \| good	49.686 \| good	17.284 \| good	1.853 \| good	8.902 \| good	0.183 \| good
2025-09-14T09:00:00.000Z	52 \| moderate	10.31 \| good	45.588 \| good	15.228 \| good	1.981 \| good	9.121 \| good	0.18 \| good
2025-09-14T10:00:00.000Z	54 \| moderate	11.284 \| good	50.101 \| good	13.343 \| good	2.054 \| good	10.18 \| good	0.204 \| good
2025-09-14T11:00:00.000Z	60 \| moderate	13.503 \| fine	60.769 \| fine	14.663 \| good	2.127 \| good	11.238 \| good	0.228 \| good
2025-09-14T12:00:00.000Z	62 \| moderate	14.708 \| fine	66.201 \| fine	20.078 \| good	2.2 \| good	12.297 \| good	0.252 \| good
2025-09-14T13:00:00.000Z	66 \| moderate	17.179 \| fine	76.227 \| fine	29.221 \| good	2.241 \| good	9.435 \| good	0.248 \| good
2025-09-14T14:00:00.000Z	67 \| moderate	18.29 \| fine	80.986 \| fine	38.277 \| good	2.282 \| good	6.573 \| good	0.243 \| good
2025-09-14T15:00:00.000Z	67 \| moderate	18.142 \| fine	80.509 \| fine	40.743 \| good	2.324 \| good	3.711 \| good	0.239 \| good
2025-09-14T16:00:00.000Z	64 \| moderate	16.198 \| fine	72.452 \| fine	41.131 \| good	1.826 \| good	2.803 \| good	0.222 \| good
2025-09-14T17:00:00.000Z	60 \| moderate	13.857 \| fine	62.235 \| fine	41.724 \| good	1.328 \| good	1.895 \| good	0.206 \| good
2025-09-14T18:00:00.000Z	56 \| moderate	11.727 \| good	51.847 \| good	42.033 \| good	0.83 \| good	0.988 \| good	0.189 \| good
2025-09-14T19:00:00.000Z	56 \| moderate	11.561 \| good	51.073 \| good	42.375 \| good	0.758 \| good	1.148 \| good	0.187 \| good
2025-09-14T20:00:00.000Z	58 \| moderate	12.767 \| fine	57.053 \| fine	41.911 \| good	0.687 \| good	1.308 \| good	0.185 \| good
2025-09-14T21:00:00.000Z	58 \| moderate	12.527 \| fine	57 \| fine	40.985 \| good	0.616 \| good	1.468 \| good	0.183 \| good
2025-09-14T22:00:00.000Z	56 \| moderate	11.768 \| good	52.055 \| good	36.704 \| good	0.659 \| good	6.23 \| good	0.23 \| good
2025-09-14T23:00:00.000Z	52 \| moderate	10.495 \| good	46.367 \| good	33.331 \| good	0.703 \| good	10.991 \| good	0.277 \| good
2025-09-15T00:00:00.000Z	62 \| moderate	14.756 \| fine	66.381 \| fine	30.178 \| good	0.746 \| good	15.752 \| good	0.324 \| good
2025-09-15T01:00:00.000Z	60 \| moderate	14.129 \| fine	63.832 \| fine	28.444 \| good	0.796 \| good	16.643 \| good	0.336 \| good
2025-09-15T02:00:00.000Z	60 \| moderate	14.084 \| fine	63.613 \| fine	26.145 \| good	0.845 \| good	17.534 \| good	0.349 \| good
2025-09-15T03:00:00.000Z	62 \| moderate	15.11 \| fine	67.77 \| fine	24.415 \| good	0.895 \| good	18.425 \| good	0.361 \| good
2025-09-15T04:00:00.000Z	64 \| moderate	15.546 \| fine	69.399 \| fine	22.681 \| good	0.877 \| good	18.229 \| good	0.362 \| good
2025-09-15T05:00:00.000Z	62 \| moderate	15.305 \| fine	68.031 \| fine	21.603 \| good	0.859 \| good	18.032 \| good	0.362 \| good
2025-09-15T06:00:00.000Z	60 \| moderate	14.1 \| fine	63.268 \| fine	20.075 \| good	0.841 \| good	17.835 \| good	0.362 \| good
2025-09-15T07:00:00.000Z	58 \| moderate	12.63 \| fine	57.002 \| fine	18.849 \| good	0.789 \| good	15.756 \| good	0.344 \| good
2025-09-15T08:00:00.000Z	58 \| moderate	13.306 \| fine	59.764 \| fine	16.785 \| good	0.737 \| good	13.676 \| good	0.326 \| good
2025-09-15T09:00:00.000Z	52 \| moderate	9.594 \| good	42.964 \| good	16.912 \| good	0.686 \| good	11.597 \| good	0.307 \| good
2025-09-15T10:00:00.000Z	56 \| moderate	11.957 \| good	53.115 \| good	16.326 \| good	0.669 \| good	10.125 \| good	0.301 \| good
2025-09-15T11:00:00.000Z	56 \| moderate	11.646 \| good	51.432 \| good	16.698 \| good	0.653 \| good	8.653 \| good	0.294 \| good
2025-09-15T12:00:00.000Z	58 \| moderate	12.821 \| fine	57.483 \| fine	19.924 \| good	0.637 \| good	7.181 \| good	0.287 \| good
2025-09-15T13:00:00.000Z	60 \| moderate	13.728 \| fine	61.418 \| fine	25.109 \| good	0.82 \| good	5.521 \| good	0.27 \| good
2025-09-15T14:00:00.000Z	69 \| moderate	18.846 \| fine	83.346 \| fine	30.181 \| good	1.004 \| good	3.861 \| good	0.253 \| good
2025-09-15T15:00:00.000Z	73 \| moderate	21.189 \| fine	92.821 \| fine	35.227 \| good	1.187 \| good	2.201 \| good	0.236 \| good
2025-09-15T16:00:00.000Z	73 \| moderate	21.215 \| fine	93.414 \| fine	38.621 \| good	1.121 \| good	1.868 \| good	0.225 \| good
2025-09-15T17:00:00.000Z	75 \| moderate	21.546 \| fine	94.809 \| fine	39.539 \| good	1.054 \| good	1.534 \| good	0.215 \| good
2025-09-15T18:00:00.000Z	66 \| moderate	16.746 \| fine	74.549 \| fine	39.869 \| good	0.988 \| good	1.201 \| good	0.204 \| good
2025-09-15T19:00:00.000Z	49 \| good	9.498 \| good	42.412 \| good	40.248 \| good	0.885 \| good	1.359 \| good	0.201 \| 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
Danbury, Connecticut	52 Moderate	9.59μg/m³ Good	18.06μg/m³ Good	49.99ppb Good	0.22ppb Good	3.68ppb Good	0.25ppm Good
Bethel, Connecticut	49 Good	9.45μg/m³ Good	18.77μg/m³ Good	49.86ppb Good	0.21ppb Good	3.59ppb Good	0.25ppm Good
Brookfield, Connecticut	49 Good	9.38μg/m³ Good	19.15μg/m³ Good	49.39ppb Good	0.21ppb Good	3.61ppb Good	0.25ppm Good
New Fairfield, Connecticut	49 Good	9.40μg/m³ Good	20.54μg/m³ Good	48.81ppb Good	0.21ppb Good	3.62ppb Good	0.25ppm Good
East Hartford, Connecticut	49 Good	9.06μg/m³ Good	16.91μg/m³ Good	45.84ppb Good	0.10ppb Good	4.80ppb Good	0.35ppm Good
Wilton, Connecticut	49 Good	9.02μg/m³ Good	32.42μg/m³ Good	48.99ppb Good	0.23ppb Good	2.76ppb Good	0.26ppm Good
Bloomfield, Connecticut	49 Good	8.87μg/m³ Good	18.28μg/m³ Good	44.10ppb Good	0.10ppb Good	8.28ppb Good	0.37ppm Good
New Canaan, Connecticut	49 Good	8.87μg/m³ Good	37.62μg/m³ Good	52.06ppb Good	0.27ppb Good	3.39ppb Good	0.27ppm Good
South Windsor, Connecticut	49 Good	8.85μg/m³ Good	19.45μg/m³ Good	44.76ppb Good	0.10ppb Good	5.13ppb Good	0.34ppm Good
Wethersfield, Connecticut	49 Good	8.89μg/m³ Good	17.66μg/m³ Good	44.60ppb Good	0.10ppb Good	7.33ppb Good	0.36ppm Good
Windsor, Connecticut	49 Good	8.97μg/m³ Good	17.86μg/m³ Good	45.09ppb Good	0.10ppb Good	5.84ppb Good	0.35ppm Good
West Hartford, Connecticut	49 Good	8.84μg/m³ Good	18.02μg/m³ Good	43.84ppb Good	0.10ppb Good	8.88ppb Good	0.37ppm Good
Darien, Connecticut	48 Good	8.30μg/m³ Good	33.52μg/m³ Good	52.24ppb Good	0.23ppb Good	3.27ppb Good	0.27ppm Good
Glastonbury, Connecticut	49 Good	8.66μg/m³ Good	18.17μg/m³ Good	44.73ppb Good	0.10ppb Good	5.87ppb Good	0.33ppm Good
Hartford, Connecticut	49 Good	8.82μg/m³ Good	17.94μg/m³ Good	43.33ppb Good	0.10ppb Good	11.38ppb Good	0.40ppm Good
Manchester, Connecticut	49 Good	8.66μg/m³ Good	17.23μg/m³ Good	40.87ppb Good	0.10ppb Good	4.88ppb Good	0.31ppm Good
Newington, Connecticut	49 Good	8.78μg/m³ Good	17.72μg/m³ Good	44.16ppb Good	0.10ppb Good	7.90ppb Good	0.35ppm Good
Oxford, Connecticut	49 Good	8.75μg/m³ Good	22.78μg/m³ Good	43.63ppb Good	0.10ppb Good	4.37ppb Good	0.22ppm Good
Ridgefield, Connecticut	49 Good	8.81μg/m³ Good	34.33μg/m³ Good	44.88ppb Good	0.24ppb Good	2.66ppb Good	0.26ppm Good
Southbury, Connecticut	49 Good	8.81μg/m³ Good	35.63μg/m³ Good	44.36ppb Good	0.10ppb Good	4.66ppb Good	0.23ppm Good
Westport, Connecticut	48 Good	8.27μg/m³ Good	37.80μg/m³ Good	51.77ppb Good	0.17ppb Good	1.37ppb Good	0.25ppm Good
Cromwell, Connecticut	44 Good	8.47μg/m³ Good	19.64μg/m³ Good	43.35ppb Good	0.10ppb Good	5.86ppb Good	0.27ppm Good
Greenwich, Connecticut	49 Good	8.55μg/m³ Good	36.73μg/m³ Good	46.78ppb Good	0.31ppb Good	4.94ppb Good	0.29ppm Good
Middletown, Connecticut	44 Good	8.47μg/m³ Good	20.13μg/m³ Good	43.10ppb Good	0.10ppb Good	5.68ppb Good	0.26ppm Good
Norwalk, Connecticut	47 Good	8.26μg/m³ Good	35.30μg/m³ Good	50.60ppb Good	0.18ppb Good	1.95ppb Good	0.26ppm Good
Plymouth, Connecticut	44 Good	8.50μg/m³ Good	29.57μg/m³ Good	41.47ppb Good	0.10ppb Good	5.27ppb Good	0.25ppm Good
Rocky Hill, Connecticut	49 Good	8.55μg/m³ Good	17.16μg/m³ Good	41.40ppb Good	0.10ppb Good	5.98ppb Good	0.29ppm Good
Stamford, Connecticut	49 Good	8.50μg/m³ Good	36.02μg/m³ Good	47.19ppb Good	0.29ppb Good	4.30ppb Good	0.28ppm Good
Torrington, Connecticut	49 Good	8.57μg/m³ Good	29.60μg/m³ Good	42.65ppb Good	0.10ppb Good	4.57ppb Good	0.22ppm Good
Weston, Connecticut	47 Good	8.23μg/m³ Good	31.32μg/m³ Good	50.64ppb Good	0.17ppb Good	2.27ppb Good	0.25ppm Good
Bridgeport, Connecticut	45 Good	7.00μg/m³ Good	15.19μg/m³ Good	49.15ppb Good	0.10ppb Good	3.33ppb Good	0.23ppm Good
Fairfield, Connecticut	45 Good	7.32μg/m³ Good	21.93μg/m³ Good	49.41ppb Good	0.12ppb Good	2.76ppb Good	0.24ppm Good
Mansfield, Connecticut	44 Good	8.29μg/m³ Good	18.09μg/m³ Good	40.23ppb Good	0.13ppb Good	4.05ppb Good	0.25ppm Good
New Milford, Connecticut	44 Good	8.30μg/m³ Good	33.37μg/m³ Good	46.52ppb Good	0.15ppb Good	4.85ppb Good	0.24ppm Good
Tolland, Connecticut	44 Good	8.39μg/m³ Good	19.72μg/m³ Good	40.97ppb Good	0.13ppb Good	4.30ppb Good	0.26ppm Good
Winchester, Connecticut	44 Good	8.39μg/m³ Good	24.24μg/m³ Good	42.09ppb Good	0.10ppb Good	4.11ppb Good	0.23ppm Good
East Hampton, Connecticut	44 Good	8.25μg/m³ Good	17.22μg/m³ Good	41.73ppb Good	0.10ppb Good	4.99ppb Good	0.27ppm Good
Ellington, Connecticut	44 Good	8.23μg/m³ Good	25.22μg/m³ Good	43.77ppb Good	0.12ppb Good	4.50ppb Good	0.28ppm Good
Naugatuck, Connecticut	44 Good	8.10μg/m³ Good	15.22μg/m³ Good	43.18ppb Good	0.10ppb Good	4.76ppb Good	0.23ppm Good
Newtown, Connecticut	44 Good	8.17μg/m³ Good	33.81μg/m³ Good	44.47ppb Good	0.13ppb Good	3.77ppb Good	0.24ppm Good
Stratford, Connecticut	44 Good	6.70μg/m³ Good	18.99μg/m³ Good	48.22ppb Good	0.10ppb Good	3.15ppb Good	0.22ppm Good
Trumbull, Connecticut	45 Good	7.16μg/m³ Good	19.17μg/m³ Good	48.92ppb Good	0.11ppb Good	3.05ppb Good	0.24ppm Good
Vernon, Connecticut	44 Good	8.18μg/m³ Good	18.39μg/m³ Good	40.62ppb Good	0.13ppb Good	4.71ppb Good	0.29ppm Good
Waterbury, Connecticut	44 Good	8.20μg/m³ Good	15.00μg/m³ Good	42.58ppb Good	0.10ppb Good	4.92ppb Good	0.23ppm Good
Watertown, Connecticut	44 Good	8.16μg/m³ Good	15.11μg/m³ Good	43.55ppb Good	0.11ppb Good	4.68ppb Good	0.23ppm Good
Wolcott, Connecticut	44 Good	8.18μg/m³ Good	15.35μg/m³ Good	42.87ppb Good	0.10ppb Good	5.15ppb Good	0.23ppm Good
Berlin, Connecticut	44 Good	8.04μg/m³ Good	29.97μg/m³ Good	42.01ppb Good	0.10ppb Good	5.36ppb Good	0.28ppm Good
East Windsor, Connecticut	44 Good	8.04μg/m³ Good	28.90μg/m³ Good	40.61ppb Good	0.10ppb Good	4.62ppb Good	0.29ppm Good
Milford, Connecticut	44 Good	6.81μg/m³ Good	19.61μg/m³ Good	47.85ppb Good	0.10ppb Good	3.13ppb Good	0.21ppm Good
New Britain, Connecticut	44 Good	8.04μg/m³ Good	29.97μg/m³ Good	42.01ppb Good	0.10ppb Good	5.36ppb Good	0.28ppm Good

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

0.20ppm

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 02:00:00 on 2025-09-13.

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 08:00:00 on 2025-09-12.

What is the AQI in Connecticut, USA right now?

As of now, the AQI in Connecticut, USA is 40, indicating Good conditions.

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

Connecticut, USA air has the highest levels of O3.

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 7.439 μg/m³.

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

The PM₁₀ concentration in Connecticut, USA is 21.639 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 0.247 ppm.

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

Currently, Connecticut, USA has a sulfur dioxide (SO₂) concentration of 0.127 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 43.429 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 4.451 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-11T23:00:00.000Z	37 \| good	4.049 \| good	10.19 \| good	40.484 \| good	0.225 \| good	7.827 \| good	0.208 \| good
2025-09-12T00:00:00.000Z	36 \| good	4.157 \| good	10.228 \| good	38.694 \| good	0.126 \| good	7.476 \| good	0.295 \| good
2025-09-12T01:00:00.000Z	32 \| good	4.915 \| good	11.998 \| good	34.532 \| good	0.183 \| good	15.615 \| good	0.36 \| good
2025-09-12T02:00:00.000Z	30 \| good	5.442 \| good	13.04 \| good	32.134 \| good	0.23 \| good	22.716 \| good	0.447 \| good
2025-09-12T03:00:00.000Z	52 \| moderate	9.661 \| good	42.996 \| good	19.691 \| good	0.986 \| good	21.993 \| good	0.395 \| good
2025-09-12T04:00:00.000Z	33 \| good	5.857 \| good	12.277 \| good	25.876 \| good	0.212 \| good	22.976 \| good	0.405 \| good
2025-09-12T05:00:00.000Z	33 \| good	5.975 \| good	12.551 \| good	19.261 \| good	0.182 \| good	23.003 \| good	0.355 \| good
2025-09-12T06:00:00.000Z	33 \| good	5.787 \| good	12.284 \| good	30.765 \| good	0.38 \| good	14.021 \| good	0.296 \| good
2025-09-12T07:00:00.000Z	33 \| good	5.694 \| good	11.29 \| good	20.905 \| good	0.212 \| good	13.044 \| good	0.296 \| good
2025-09-12T08:00:00.000Z	33 \| good	5.584 \| good	11.325 \| good	20.075 \| good	0.199 \| good	10.324 \| good	0.265 \| good
2025-09-12T09:00:00.000Z	33 \| good	5.673 \| good	12.035 \| good	20.33 \| good	0.148 \| good	7.175 \| good	0.243 \| good
2025-09-12T10:00:00.000Z	33 \| good	5.665 \| good	12.065 \| good	21.571 \| good	0.197 \| good	8.878 \| good	0.229 \| good
2025-09-12T11:00:00.000Z	33 \| good	5.759 \| good	12.115 \| good	18.705 \| good	0.345 \| good	11.271 \| good	0.229 \| good
2025-09-12T12:00:00.000Z	33 \| good	5.777 \| good	13.163 \| good	20.357 \| good	0.143 \| good	13.958 \| good	0.257 \| good
2025-09-12T13:00:00.000Z	33 \| good	5.88 \| good	13.391 \| good	18.448 \| good	0.152 \| good	8.645 \| good	0.244 \| good
2025-09-12T14:00:00.000Z	33 \| good	5.955 \| good	14.211 \| good	20.744 \| good	0.142 \| good	4.957 \| good	0.17 \| good
2025-09-12T15:00:00.000Z	33 \| good	6.03 \| good	14.916 \| good	27.201 \| good	0.23 \| good	3.153 \| good	0.163 \| good
2025-09-12T16:00:00.000Z	33 \| good	6.121 \| good	14.905 \| good	29.71 \| good	0.211 \| good	2.567 \| good	0.163 \| good
2025-09-12T17:00:00.000Z	33 \| good	6.216 \| good	14.925 \| good	32.085 \| good	0.112 \| good	2.712 \| good	0.163 \| good
2025-09-12T18:00:00.000Z	33 \| good	6.225 \| good	14.019 \| good	33.159 \| good	0.142 \| good	2.557 \| good	0.163 \| good
2025-09-12T19:00:00.000Z	35 \| good	6.231 \| good	13.137 \| good	37.552 \| good	0.112 \| good	2.953 \| good	0.163 \| good
2025-09-12T20:00:00.000Z	34 \| good	6.223 \| good	13.049 \| good	37.266 \| good	0.16 \| good	3.018 \| good	0.163 \| good
2025-09-12T21:00:00.000Z	36 \| good	6.276 \| good	13.901 \| good	38.693 \| good	0.12 \| good	4.138 \| good	0.163 \| good
2025-09-12T22:00:00.000Z	40 \| good	6.256 \| good	13.789 \| good	42.63 \| good	0.162 \| good	2.327 \| good	0.199 \| good
2025-09-12T23:00:00.000Z	39 \| good	6.34 \| good	13.752 \| good	42.297 \| good	0.11 \| good	2.8 \| good	0.178 \| good
2025-09-13T00:00:00.000Z	38 \| good	6.622 \| good	13.849 \| good	39.641 \| good	0.128 \| good	8.428 \| good	0.237 \| good
2025-09-13T01:00:00.000Z	38 \| good	6.671 \| good	13.96 \| good	35.482 \| good	0.225 \| good	10.03 \| good	0.23 \| good
2025-09-13T02:00:00.000Z	38 \| good	6.714 \| good	13.973 \| good	30.393 \| good	0.189 \| good	12.401 \| good	0.23 \| good
2025-09-13T03:00:00.000Z	38 \| good	6.641 \| good	13.941 \| good	25.96 \| good	0.306 \| good	6.132 \| good	0.243 \| good
2025-09-13T04:00:00.000Z	38 \| good	6.693 \| good	13.164 \| good	25.973 \| good	0.305 \| good	5.713 \| good	0.243 \| good
2025-09-13T05:00:00.000Z	38 \| good	7.035 \| good	14.091 \| good	26.803 \| good	0.193 \| good	6.251 \| good	0.316 \| good
2025-09-13T06:00:00.000Z	38 \| good	7.466 \| good	14.053 \| good	26.043 \| good	0.214 \| good	7.896 \| good	0.287 \| good
2025-09-13T07:00:00.000Z	44 \| good	7.836 \| good	15.152 \| good	22.26 \| good	0.179 \| good	10.361 \| good	0.308 \| good
2025-09-13T08:00:00.000Z	44 \| good	7.878 \| good	15.047 \| good	16.137 \| good	0.207 \| good	9.859 \| good	0.316 \| good
2025-09-13T09:00:00.000Z	44 \| good	8.255 \| good	15.19 \| good	12.699 \| good	0.333 \| good	12.156 \| good	0.258 \| good
2025-09-13T10:00:00.000Z	44 \| good	8.421 \| good	15.526 \| good	10.089 \| good	0.34 \| good	11.5 \| good	0.272 \| good
2025-09-13T11:00:00.000Z	44 \| good	8.01 \| good	15.455 \| good	9.79 \| good	0.346 \| good	10.333 \| good	0.302 \| good
2025-09-13T12:00:00.000Z	44 \| good	8.426 \| good	16.336 \| good	15.122 \| good	0.137 \| good	11.18 \| good	0.294 \| good
2025-09-13T13:00:00.000Z	49 \| good	9.331 \| good	17.94 \| good	10.868 \| good	0.106 \| good	8.761 \| good	0.301 \| good
2025-09-13T14:00:00.000Z	49 \| good	8.624 \| good	17.687 \| good	21.432 \| good	0.223 \| good	9.199 \| good	0.272 \| good
2025-09-13T15:00:00.000Z	44 \| good	8.185 \| good	16.7 \| good	26.302 \| good	0.151 \| good	5.11 \| good	0.22 \| good
2025-09-13T16:00:00.000Z	44 \| good	8.13 \| good	15.775 \| good	28.452 \| good	0.141 \| good	5.191 \| good	0.22 \| good
2025-09-13T17:00:00.000Z	44 \| good	7.965 \| good	14.893 \| good	34.717 \| good	0.149 \| good	5.215 \| good	0.242 \| good
2025-09-13T18:00:00.000Z	44 \| good	8.062 \| good	15.005 \| good	40.581 \| good	0.187 \| good	5.37 \| good	0.286 \| good
2025-09-13T19:00:00.000Z	44 \| good	8.17 \| good	15.078 \| good	43.204 \| good	0.105 \| good	4.765 \| good	0.228 \| good
2025-09-13T20:00:00.000Z	44 \| good	8.148 \| good	15.96 \| good	48.358 \| good	0.142 \| good	4.934 \| good	0.22 \| good
2025-09-13T21:00:00.000Z	44 \| good	8.066 \| good	15.936 \| good	46.418 \| good	0.146 \| good	6.176 \| good	0.22 \| good
2025-09-13T22:00:00.000Z	44 \| good	7.865 \| good	15.936 \| good	41.228 \| good	0.2 \| good	5.687 \| good	0.221 \| good
2025-09-13T22:00:00.000Z	41 \| good	6.837 \| good	19.433 \| good	44.189 \| good	0.22 \| good	4.987 \| good	0.242 \| good
2025-09-13T20:00:00.000Z	44 \| good	7.569 \| good	33.446 \| good	45.947 \| good	1.723 \| good	1.931 \| good	0.199 \| good
2025-09-13T21:00:00.000Z	41 \| good	6.801 \| good	29.932 \| good	44.112 \| good	1.718 \| good	2.045 \| good	0.204 \| good
2025-09-13T22:00:00.000Z	39 \| good	7.274 \| good	32.4 \| good	41.624 \| good	1.685 \| good	4.934 \| good	0.232 \| good
2025-09-13T23:00:00.000Z	52 \| moderate	9.529 \| good	42.61 \| good	41.45 \| good	1.651 \| good	7.822 \| good	0.26 \| good
2025-09-14T00:00:00.000Z	58 \| moderate	12.594 \| fine	56.578 \| fine	35.111 \| good	1.618 \| good	10.71 \| good	0.288 \| good
2025-09-14T01:00:00.000Z	58 \| moderate	13.059 \| fine	58.398 \| fine	30.296 \| good	1.652 \| good	10.156 \| good	0.27 \| good
2025-09-14T02:00:00.000Z	56 \| moderate	11.645 \| good	51.71 \| good	27.138 \| good	1.686 \| good	9.601 \| good	0.253 \| good
2025-09-14T03:00:00.000Z	56 \| moderate	12.069 \| good	54.453 \| good	25.14 \| good	1.72 \| good	9.046 \| good	0.235 \| good
2025-09-14T04:00:00.000Z	56 \| moderate	11.638 \| good	51.784 \| good	23.639 \| good	1.679 \| good	8.852 \| good	0.22 \| good
2025-09-14T05:00:00.000Z	54 \| moderate	10.872 \| good	48.381 \| good	23.32 \| good	1.638 \| good	8.658 \| good	0.205 \| good
2025-09-14T06:00:00.000Z	49 \| good	9.169 \| good	40.752 \| good	21.894 \| good	1.597 \| good	8.464 \| good	0.19 \| good
2025-09-14T07:00:00.000Z	49 \| good	9.306 \| good	41.489 \| good	19.653 \| good	1.725 \| good	8.683 \| good	0.187 \| good
2025-09-14T08:00:00.000Z	54 \| moderate	11.217 \| good	49.686 \| good	17.284 \| good	1.853 \| good	8.902 \| good	0.183 \| good
2025-09-14T09:00:00.000Z	52 \| moderate	10.31 \| good	45.588 \| good	15.228 \| good	1.981 \| good	9.121 \| good	0.18 \| good
2025-09-14T10:00:00.000Z	54 \| moderate	11.284 \| good	50.101 \| good	13.343 \| good	2.054 \| good	10.18 \| good	0.204 \| good
2025-09-14T11:00:00.000Z	60 \| moderate	13.503 \| fine	60.769 \| fine	14.663 \| good	2.127 \| good	11.238 \| good	0.228 \| good
2025-09-14T12:00:00.000Z	62 \| moderate	14.708 \| fine	66.201 \| fine	20.078 \| good	2.2 \| good	12.297 \| good	0.252 \| good
2025-09-14T13:00:00.000Z	66 \| moderate	17.179 \| fine	76.227 \| fine	29.221 \| good	2.241 \| good	9.435 \| good	0.248 \| good
2025-09-14T14:00:00.000Z	67 \| moderate	18.29 \| fine	80.986 \| fine	38.277 \| good	2.282 \| good	6.573 \| good	0.243 \| good
2025-09-14T15:00:00.000Z	67 \| moderate	18.142 \| fine	80.509 \| fine	40.743 \| good	2.324 \| good	3.711 \| good	0.239 \| good
2025-09-14T16:00:00.000Z	64 \| moderate	16.198 \| fine	72.452 \| fine	41.131 \| good	1.826 \| good	2.803 \| good	0.222 \| good
2025-09-14T17:00:00.000Z	60 \| moderate	13.857 \| fine	62.235 \| fine	41.724 \| good	1.328 \| good	1.895 \| good	0.206 \| good
2025-09-14T18:00:00.000Z	56 \| moderate	11.727 \| good	51.847 \| good	42.033 \| good	0.83 \| good	0.988 \| good	0.189 \| good
2025-09-14T19:00:00.000Z	56 \| moderate	11.561 \| good	51.073 \| good	42.375 \| good	0.758 \| good	1.148 \| good	0.187 \| good
2025-09-14T20:00:00.000Z	58 \| moderate	12.767 \| fine	57.053 \| fine	41.911 \| good	0.687 \| good	1.308 \| good	0.185 \| good
2025-09-14T21:00:00.000Z	58 \| moderate	12.527 \| fine	57 \| fine	40.985 \| good	0.616 \| good	1.468 \| good	0.183 \| good
2025-09-14T22:00:00.000Z	56 \| moderate	11.768 \| good	52.055 \| good	36.704 \| good	0.659 \| good	6.23 \| good	0.23 \| good
2025-09-14T23:00:00.000Z	52 \| moderate	10.495 \| good	46.367 \| good	33.331 \| good	0.703 \| good	10.991 \| good	0.277 \| good
2025-09-15T00:00:00.000Z	62 \| moderate	14.756 \| fine	66.381 \| fine	30.178 \| good	0.746 \| good	15.752 \| good	0.324 \| good
2025-09-15T01:00:00.000Z	60 \| moderate	14.129 \| fine	63.832 \| fine	28.444 \| good	0.796 \| good	16.643 \| good	0.336 \| good
2025-09-15T02:00:00.000Z	60 \| moderate	14.084 \| fine	63.613 \| fine	26.145 \| good	0.845 \| good	17.534 \| good	0.349 \| good
2025-09-15T03:00:00.000Z	62 \| moderate	15.11 \| fine	67.77 \| fine	24.415 \| good	0.895 \| good	18.425 \| good	0.361 \| good
2025-09-15T04:00:00.000Z	64 \| moderate	15.546 \| fine	69.399 \| fine	22.681 \| good	0.877 \| good	18.229 \| good	0.362 \| good
2025-09-15T05:00:00.000Z	62 \| moderate	15.305 \| fine	68.031 \| fine	21.603 \| good	0.859 \| good	18.032 \| good	0.362 \| good
2025-09-15T06:00:00.000Z	60 \| moderate	14.1 \| fine	63.268 \| fine	20.075 \| good	0.841 \| good	17.835 \| good	0.362 \| good
2025-09-15T07:00:00.000Z	58 \| moderate	12.63 \| fine	57.002 \| fine	18.849 \| good	0.789 \| good	15.756 \| good	0.344 \| good
2025-09-15T08:00:00.000Z	58 \| moderate	13.306 \| fine	59.764 \| fine	16.785 \| good	0.737 \| good	13.676 \| good	0.326 \| good
2025-09-15T09:00:00.000Z	52 \| moderate	9.594 \| good	42.964 \| good	16.912 \| good	0.686 \| good	11.597 \| good	0.307 \| good
2025-09-15T10:00:00.000Z	56 \| moderate	11.957 \| good	53.115 \| good	16.326 \| good	0.669 \| good	10.125 \| good	0.301 \| good
2025-09-15T11:00:00.000Z	56 \| moderate	11.646 \| good	51.432 \| good	16.698 \| good	0.653 \| good	8.653 \| good	0.294 \| good
2025-09-15T12:00:00.000Z	58 \| moderate	12.821 \| fine	57.483 \| fine	19.924 \| good	0.637 \| good	7.181 \| good	0.287 \| good
2025-09-15T13:00:00.000Z	60 \| moderate	13.728 \| fine	61.418 \| fine	25.109 \| good	0.82 \| good	5.521 \| good	0.27 \| good
2025-09-15T14:00:00.000Z	69 \| moderate	18.846 \| fine	83.346 \| fine	30.181 \| good	1.004 \| good	3.861 \| good	0.253 \| good
2025-09-15T15:00:00.000Z	73 \| moderate	21.189 \| fine	92.821 \| fine	35.227 \| good	1.187 \| good	2.201 \| good	0.236 \| good
2025-09-15T16:00:00.000Z	73 \| moderate	21.215 \| fine	93.414 \| fine	38.621 \| good	1.121 \| good	1.868 \| good	0.225 \| good
2025-09-15T17:00:00.000Z	75 \| moderate	21.546 \| fine	94.809 \| fine	39.539 \| good	1.054 \| good	1.534 \| good	0.215 \| good
2025-09-15T18:00:00.000Z	66 \| moderate	16.746 \| fine	74.549 \| fine	39.869 \| good	0.988 \| good	1.201 \| good	0.204 \| good
2025-09-15T19:00:00.000Z	49 \| good	9.498 \| good	42.412 \| good	40.248 \| good	0.885 \| good	1.359 \| good	0.201 \| 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?