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

Currently, West Hartford, Connecticut has a sulfur dioxide (SO2) concentration of 0.22 ppb.

What is the ozone (O3) level in West Hartford, Connecticut at the moment?

The current ozone (O3) level in West Hartford, Connecticut at the moment is 28.453 ppm.

What is the nitrogen dioxide (NO2) level in West Hartford, Connecticut at the moment?

Nitrogen dioxide (NO2) level in West Hartford, Connecticut at the moment is 18.92 ppb.

Live air quality index in West Hartford, Connecticut today

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

PM2.5 levels in West Hartford, Connecticut are currently 7.273 μg/m3.

Q: What is the PM10 level in West Hartford, Connecticut at the moment?

The PM10 concentration in West Hartford, Connecticut is 20.158 μg/m3 at the moment.

Stay updated with real-time air quality in West Hartford, Connecticut 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

West Hartford, Connecticut

Last updated: ... (Local time)

Major air pollutants in West Hartford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.27 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.16 μg/m³

155

255

425

605+

Ozone (O₃)

28.45 ppb

201

201+

Sulfur Dioxide (SO₂)

0.22 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

18.92 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

West Hartford, Connecticut

Get Live Pollen Counts

West Hartford, Connecticut

Scroll To Air Quality Map

Track live West Hartford, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T14:00:00.000Z	29 \| good	2.034 \| good	7.064 \| good	30.735 \| good	0.254 \| good	4.136 \| good	0.111 \| good
2026-05-12T15:00:00.000Z	31 \| good	1.874 \| good	7.363 \| good	32.536 \| good	0.277 \| good	1.768 \| good	0.111 \| good
2026-05-12T16:00:00.000Z	31 \| good	1.723 \| good	6.014 \| good	32.728 \| good	0.234 \| good	1.492 \| good	0.111 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.44 \| good	5.699 \| good	34.749 \| good	0.192 \| good	1.81 \| good	0.108 \| good
2026-05-12T18:00:00.000Z	33 \| good	1.45 \| good	5.054 \| good	36.068 \| good	0.213 \| good	1.646 \| good	0.111 \| good
2026-05-12T19:00:00.000Z	37 \| good	1.439 \| good	5.029 \| good	39.692 \| good	0.213 \| good	2.001 \| good	0.111 \| good
2026-05-12T20:00:00.000Z	37 \| good	1.163 \| good	4.473 \| good	39.611 \| good	0.232 \| good	2.126 \| good	0.109 \| good
2026-05-12T21:00:00.000Z	36 \| good	1.098 \| good	4.781 \| good	39.231 \| good	0.248 \| good	2.463 \| good	0.109 \| good
2026-05-12T22:00:00.000Z	36 \| good	1.475 \| good	5.031 \| good	38.722 \| good	0.192 \| good	2.659 \| good	0.107 \| good
2026-05-12T23:00:00.000Z	36 \| good	1.344 \| good	5.226 \| good	39.347 \| good	0.166 \| good	2.866 \| good	0.109 \| good
2026-05-13T00:00:00.000Z	35 \| good	1.299 \| good	5.005 \| good	37.814 \| good	0.156 \| good	4.391 \| good	0.109 \| good
2026-05-13T01:00:00.000Z	35 \| good	1.321 \| good	5.351 \| good	37.502 \| good	0.156 \| good	4.41 \| good	0.109 \| good
2026-05-13T02:00:00.000Z	31 \| good	2.689 \| good	9.399 \| good	33.456 \| good	0.213 \| good	13.684 \| good	0.289 \| good
2026-05-13T03:00:00.000Z	22 \| good	3.872 \| good	16.722 \| good	15.958 \| good	0.359 \| good	18.122 \| good	0.263 \| good
2026-05-13T04:00:00.000Z	28 \| good	3.352 \| good	10.728 \| good	29.813 \| good	0.22 \| good	11.678 \| good	0.203 \| good
2026-05-13T05:00:00.000Z	28 \| good	3.395 \| good	9.727 \| good	30.22 \| good	0.205 \| good	10.783 \| good	0.115 \| good
2026-05-13T06:00:00.000Z	27 \| good	3.401 \| good	9.748 \| good	29.339 \| good	0.224 \| good	10.702 \| good	0.11 \| good
2026-05-13T07:00:00.000Z	26 \| good	3.303 \| good	9.392 \| good	27.784 \| good	0.208 \| good	10.358 \| good	0.104 \| good
2026-05-13T08:00:00.000Z	26 \| good	3.297 \| good	8.661 \| good	27.785 \| good	0.212 \| good	10.502 \| good	0.107 \| good
2026-05-13T09:00:00.000Z	25 \| good	3.602 \| good	9.891 \| good	27.05 \| good	0.283 \| good	10.296 \| good	0.111 \| good
2026-05-13T10:00:00.000Z	23 \| good	4.016 \| good	11.215 \| good	24.984 \| good	0.263 \| good	12.944 \| good	0.199 \| good
2026-05-13T11:00:00.000Z	27 \| good	4.539 \| good	13.375 \| good	27.521 \| good	0.264 \| good	15.894 \| good	0.283 \| good
2026-05-13T12:00:00.000Z	30 \| good	4.924 \| good	15.708 \| good	31.772 \| good	0.242 \| good	17.187 \| good	0.283 \| good
2026-05-13T13:00:00.000Z	31 \| good	4.931 \| good	15.712 \| good	32.572 \| good	0.242 \| good	17.139 \| good	0.284 \| good
2026-05-13T14:00:00.000Z	38 \| good	7.209 \| good	21.055 \| good	33.647 \| good	0.246 \| good	17.368 \| good	0.286 \| good
2026-05-13T15:00:00.000Z	38 \| good	6.966 \| good	19.933 \| good	32.685 \| good	0.211 \| good	16.448 \| good	0.198 \| good
2026-05-13T16:00:00.000Z	49 \| good	9.392 \| good	42.039 \| good	40.947 \| good	0.394 \| good	2.621 \| good	0.152 \| good
2026-05-13T17:00:00.000Z	34 \| good	6.486 \| good	19.663 \| good	36.531 \| good	0.239 \| good	13.102 \| good	0.197 \| good
2026-05-13T18:00:00.000Z	38 \| good	6.644 \| good	21.074 \| good	39.844 \| good	0.228 \| good	11.347 \| good	0.198 \| good
2026-05-13T19:00:00.000Z	44 \| good	6.554 \| good	22.541 \| good	47.042 \| good	0.255 \| good	9.404 \| good	0.197 \| good
2026-05-13T20:00:00.000Z	48 \| good	6.22 \| good	23.206 \| good	51.51 \| good	0.289 \| good	9.665 \| good	0.198 \| good
2026-05-13T21:00:00.000Z	47 \| good	5.924 \| good	22.772 \| good	50.926 \| good	0.277 \| good	9.665 \| good	0.198 \| good
2026-05-13T22:00:00.000Z	50 \| good	5.707 \| good	21.395 \| good	53.705 \| good	0.266 \| good	11.942 \| good	0.197 \| good
2026-05-13T23:00:00.000Z	48 \| good	5.716 \| good	19.987 \| good	52.107 \| good	0.226 \| good	10.218 \| good	0.198 \| good
2026-05-14T00:00:00.000Z	48 \| good	5.352 \| good	17.78 \| good	52.1 \| good	0.216 \| good	8.925 \| good	0.197 \| good
2026-05-14T01:00:00.000Z	46 \| good	5.357 \| good	16.394 \| good	49.695 \| good	0.216 \| good	8.302 \| good	0.109 \| good
2026-05-14T02:00:00.000Z	46 \| good	5.432 \| good	15.74 \| good	50.092 \| good	0.24 \| good	8.75 \| good	0.196 \| good
2026-05-14T03:00:00.000Z	44 \| good	5.357 \| good	15.268 \| good	47.823 \| good	0.24 \| good	7.209 \| good	0.109 \| good
2026-05-14T04:00:00.000Z	45 \| good	5.451 \| good	14.892 \| good	48.686 \| good	0.24 \| good	6.712 \| good	0.107 \| good
2026-05-14T05:00:00.000Z	43 \| good	5.451 \| good	14.041 \| good	46.019 \| good	0.24 \| good	6.224 \| good	0.108 \| good
2026-05-14T06:00:00.000Z	44 \| good	5.349 \| good	14.023 \| good	46.704 \| good	0.211 \| good	7.374 \| good	0.107 \| good
2026-05-14T07:00:00.000Z	46 \| good	5.356 \| good	14.014 \| good	49.883 \| good	0.211 \| good	7.355 \| good	0.103 \| good
2026-05-14T08:00:00.000Z	44 \| good	5.335 \| good	14.548 \| good	47.032 \| good	0.233 \| good	6.875 \| good	0.107 \| good
2026-05-14T09:00:00.000Z	40 \| good	5.311 \| good	14.532 \| good	43.45 \| good	0.211 \| good	6.595 \| good	0.107 \| good
2026-05-14T10:00:00.000Z	38 \| good	5.252 \| good	14.536 \| good	41.205 \| good	0.24 \| good	10.845 \| good	0.111 \| good
2026-05-14T11:00:00.000Z	35 \| good	6.422 \| good	18.378 \| good	38.099 \| good	0.23 \| good	14.655 \| good	0.204 \| good
2026-05-14T12:00:00.000Z	38 \| good	6.994 \| good	19.322 \| good	35.518 \| good	0.216 \| good	18.075 \| good	0.29 \| good
2026-05-14T13:00:00.000Z	38 \| good	7.016 \| good	19.574 \| good	28.706 \| good	0.216 \| good	18.08 \| good	0.286 \| good
2026-05-14T13:00:00.000Z	38 \| good	7.273 \| good	20.158 \| good	28.453 \| good	0.22 \| good	18.92 \| good	0.287 \| good
2026-05-14T14:00:00.000Z	25 \| good	3.159 \| good	13.668 \| good	26.74 \| good	0.133 \| good	2.148 \| good	0.14 \| good
2026-05-14T15:00:00.000Z	23 \| good	3.904 \| good	17.027 \| good	24.545 \| good	0.147 \| good	1.59 \| good	0.136 \| good
2026-05-14T16:00:00.000Z	28 \| good	3.951 \| good	17.029 \| good	29.686 \| good	0.147 \| good	1.447 \| good	0.137 \| good
2026-05-14T17:00:00.000Z	33 \| good	3.955 \| good	17.114 \| good	35.907 \| good	0.139 \| good	1.372 \| good	0.136 \| good
2026-05-14T18:00:00.000Z	29 \| good	4.236 \| good	18.837 \| good	31.407 \| good	0.133 \| good	1.56 \| good	0.141 \| good
2026-05-14T19:00:00.000Z	30 \| good	3.915 \| good	16.993 \| good	32.361 \| good	0.132 \| good	1.457 \| good	0.139 \| good
2026-05-14T20:00:00.000Z	33 \| good	2.727 \| good	11.1 \| good	35.607 \| good	0.138 \| good	1.393 \| good	0.139 \| good
2026-05-14T21:00:00.000Z	36 \| good	3.174 \| good	13.687 \| good	39.134 \| good	0.148 \| good	1.639 \| good	0.144 \| good
2026-05-14T22:00:00.000Z	36 \| good	4.186 \| good	18.101 \| good	38.936 \| good	0.151 \| good	2.207 \| good	0.152 \| good
2026-05-14T23:00:00.000Z	41 \| good	4.962 \| good	21.072 \| good	44.027 \| good	0.151 \| good	3.469 \| good	0.166 \| good
2026-05-15T00:00:00.000Z	38 \| good	7.13 \| good	31.87 \| good	38.037 \| good	0.171 \| good	6.108 \| good	0.189 \| good
2026-05-15T01:00:00.000Z	49 \| good	8.702 \| good	37.918 \| good	29.818 \| good	0.208 \| good	9.504 \| good	0.217 \| good
2026-05-15T02:00:00.000Z	44 \| good	7.931 \| good	34.761 \| good	27.817 \| good	0.224 \| good	10.547 \| good	0.227 \| good
2026-05-15T03:00:00.000Z	44 \| good	7.912 \| good	34.775 \| good	30.281 \| good	0.217 \| good	9.136 \| good	0.214 \| good
2026-05-15T04:00:00.000Z	38 \| good	7.433 \| good	32.941 \| good	30.108 \| good	0.206 \| good	8.16 \| good	0.205 \| good
2026-05-15T05:00:00.000Z	38 \| good	6.762 \| good	30.011 \| good	28.763 \| good	0.191 \| good	7.397 \| good	0.198 \| good
2026-05-15T06:00:00.000Z	38 \| good	7.195 \| good	31.934 \| good	27.632 \| good	0.169 \| good	5.514 \| good	0.182 \| good
2026-05-15T07:00:00.000Z	33 \| good	6.076 \| good	26.934 \| good	26.62 \| good	0.163 \| good	3.822 \| good	0.166 \| good
2026-05-15T08:00:00.000Z	33 \| good	6.069 \| good	26.894 \| good	27.652 \| good	0.172 \| good	3.238 \| good	0.159 \| good
2026-05-15T09:00:00.000Z	38 \| good	7.005 \| good	30.999 \| good	24.147 \| good	0.178 \| good	2.92 \| good	0.154 \| good
2026-05-15T10:00:00.000Z	38 \| good	7.169 \| good	31.726 \| good	19.213 \| good	0.173 \| good	2.574 \| good	0.149 \| good
2026-05-15T11:00:00.000Z	33 \| good	6.485 \| good	28.996 \| good	18.855 \| good	0.16 \| good	2.4 \| good	0.145 \| good
2026-05-15T12:00:00.000Z	27 \| good	5.368 \| good	22.948 \| good	24.306 \| good	0.146 \| good	2.248 \| good	0.142 \| good
2026-05-15T13:00:00.000Z	28 \| good	2.935 \| good	11.876 \| good	30.444 \| good	0.128 \| good	1.956 \| good	0.139 \| good
2026-05-15T14:00:00.000Z	31 \| good	1.529 \| good	5.975 \| good	34.416 \| good	0.118 \| good	1.745 \| good	0.137 \| good
2026-05-15T15:00:00.000Z	31 \| good	2.694 \| good	11.018 \| good	33.008 \| good	0.113 \| good	1.435 \| good	0.132 \| good
2026-05-15T16:00:00.000Z	31 \| good	3.61 \| good	15.924 \| good	33.972 \| good	0.106 \| good	1.17 \| good	0.128 \| good
2026-05-15T17:00:00.000Z	33 \| good	4.067 \| good	17.814 \| good	35.874 \| good	0.11 \| good	1.217 \| good	0.127 \| good
2026-05-15T18:00:00.000Z	32 \| good	3.732 \| good	16.108 \| good	35.077 \| good	0.115 \| good	1.171 \| good	0.126 \| good
2026-05-15T19:00:00.000Z	31 \| good	4.166 \| good	18.124 \| good	32.628 \| good	0.119 \| good	1.156 \| good	0.125 \| good
2026-05-15T20:00:00.000Z	30 \| good	4.867 \| good	20.958 \| good	31.676 \| good	0.121 \| good	1.21 \| good	0.125 \| good
2026-05-15T21:00:00.000Z	28 \| good	3.985 \| good	17.734 \| good	30.482 \| good	0.123 \| good	1.45 \| good	0.129 \| good
2026-05-15T22:00:00.000Z	31 \| good	2.715 \| good	10.973 \| good	33.268 \| good	0.126 \| good	1.943 \| good	0.135 \| good
2026-05-15T23:00:00.000Z	35 \| good	2.65 \| good	10.993 \| good	37.933 \| good	0.132 \| good	3.113 \| good	0.147 \| good
2026-05-16T00:00:00.000Z	31 \| good	3.827 \| good	16.891 \| good	32.874 \| good	0.149 \| good	4.792 \| good	0.161 \| good
2026-05-16T01:00:00.000Z	24 \| good	4.396 \| good	18.991 \| good	25.895 \| good	0.191 \| good	7.77 \| good	0.179 \| good
2026-05-16T02:00:00.000Z	23 \| good	3.68 \| good	15.859 \| good	25.324 \| good	0.234 \| good	11.329 \| good	0.202 \| good
2026-05-16T03:00:00.000Z	27 \| good	4.716 \| good	20.654 \| good	22.971 \| good	0.265 \| good	14.023 \| good	0.22 \| good
2026-05-16T04:00:00.000Z	21 \| good	3.321 \| good	14.448 \| good	22.859 \| good	0.269 \| good	14.77 \| good	0.229 \| good
2026-05-16T05:00:00.000Z	23 \| good	2.766 \| good	11.778 \| good	24.976 \| good	0.254 \| good	13.928 \| good	0.226 \| good
2026-05-16T06:00:00.000Z	27 \| good	5.271 \| good	5.36 \| good	18.284 \| good	0.228 \| good	9.203 \| good	0.19 \| good
2026-05-16T07:00:00.000Z	21 \| good	1.971 \| good	8.022 \| good	22.642 \| good	0.217 \| good	5.76 \| good	0.166 \| good
2026-05-16T08:00:00.000Z	20 \| good	1.868 \| good	7.924 \| good	22.103 \| good	0.213 \| good	4.451 \| good	0.158 \| good
2026-05-16T09:00:00.000Z	20 \| good	0.221 \| good	0.992 \| good	22.184 \| good	0.215 \| good	3.884 \| good	0.154 \| good
2026-05-16T10:00:00.000Z	22 \| good	1.665 \| good	6.872 \| good	24.276 \| good	0.228 \| good	3.468 \| good	0.152 \| good
2026-05-16T11:00:00.000Z	28 \| good	3.218 \| good	13.852 \| good	29.647 \| good	0.245 \| good	2.755 \| good	0.153 \| good
2026-05-16T12:00:00.000Z	30 \| good	3.855 \| good	3.956 \| good	32.496 \| good	0.292 \| good	2.042 \| good	0.153 \| good
2026-05-16T13:00:00.000Z	35 \| good	4.173 \| good	4.329 \| good	38.275 \| good	0.365 \| good	1.47 \| good	0.151 \| good

West Hartford

Get reliable air quality data to drive your business

West Hartford, Connecticut air quality map: Stay updated on AQI near you

0.29ppm

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

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Frequently asked questions

How often is air quality information updated for West Hartford, Connecticut?

The air quality information for West Hartford, Connecticut is updated every hour for accuracy.

What time in the last 24 hours was the air quality in West Hartford, Connecticut at its worst?

In the past 24 hours, the air quality in West Hartford, Connecticut was at its worst at 10:00:00 on 2026-05-13.

When did West Hartford, Connecticut experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in West Hartford, Connecticut was observed at 01:00:00 on 2026-05-13.

What is the AQI in West Hartford, Connecticut right now?

As of now, the AQI in West Hartford, Connecticut is 38, indicating Good conditions.

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

West Hartford, Connecticut air has the highest levels of PM2.5.

What should I do in case of poor air quality in West Hartford, Connecticut?

Poor air quality in West Hartford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in West Hartford, Connecticut at the moment?

PM_2.5 levels in West Hartford, Connecticut are currently 7.273 μg/m³.

What is the PM₁₀ level in West Hartford, Connecticut at the moment?

The PM₁₀ concentration in West Hartford, Connecticut is 20.158 μg/m³ at the moment.

What is the carbon monoxide (CO) level in West Hartford, Connecticut at the moment?

The current carbon monoxide (CO) concentration in West Hartford, Connecticut is 0.287 ppm.

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

Currently, West Hartford, Connecticut has a sulfur dioxide (SO₂) concentration of 0.22 ppb.

What is the ozone (O₃) level in West Hartford, Connecticut at the moment?

The current ozone (O₃) level in West Hartford, Connecticut at the moment is 28.453 ppm.

What is the nitrogen dioxide (NO₂) level in West Hartford, Connecticut at the moment?

Nitrogen dioxide (NO₂) level in West Hartford, Connecticut at the moment is 18.92 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T14:00:00.000Z	29 \| good	2.034 \| good	7.064 \| good	30.735 \| good	0.254 \| good	4.136 \| good	0.111 \| good
2026-05-12T15:00:00.000Z	31 \| good	1.874 \| good	7.363 \| good	32.536 \| good	0.277 \| good	1.768 \| good	0.111 \| good
2026-05-12T16:00:00.000Z	31 \| good	1.723 \| good	6.014 \| good	32.728 \| good	0.234 \| good	1.492 \| good	0.111 \| good
2026-05-12T17:00:00.000Z	32 \| good	1.44 \| good	5.699 \| good	34.749 \| good	0.192 \| good	1.81 \| good	0.108 \| good
2026-05-12T18:00:00.000Z	33 \| good	1.45 \| good	5.054 \| good	36.068 \| good	0.213 \| good	1.646 \| good	0.111 \| good
2026-05-12T19:00:00.000Z	37 \| good	1.439 \| good	5.029 \| good	39.692 \| good	0.213 \| good	2.001 \| good	0.111 \| good
2026-05-12T20:00:00.000Z	37 \| good	1.163 \| good	4.473 \| good	39.611 \| good	0.232 \| good	2.126 \| good	0.109 \| good
2026-05-12T21:00:00.000Z	36 \| good	1.098 \| good	4.781 \| good	39.231 \| good	0.248 \| good	2.463 \| good	0.109 \| good
2026-05-12T22:00:00.000Z	36 \| good	1.475 \| good	5.031 \| good	38.722 \| good	0.192 \| good	2.659 \| good	0.107 \| good
2026-05-12T23:00:00.000Z	36 \| good	1.344 \| good	5.226 \| good	39.347 \| good	0.166 \| good	2.866 \| good	0.109 \| good
2026-05-13T00:00:00.000Z	35 \| good	1.299 \| good	5.005 \| good	37.814 \| good	0.156 \| good	4.391 \| good	0.109 \| good
2026-05-13T01:00:00.000Z	35 \| good	1.321 \| good	5.351 \| good	37.502 \| good	0.156 \| good	4.41 \| good	0.109 \| good
2026-05-13T02:00:00.000Z	31 \| good	2.689 \| good	9.399 \| good	33.456 \| good	0.213 \| good	13.684 \| good	0.289 \| good
2026-05-13T03:00:00.000Z	22 \| good	3.872 \| good	16.722 \| good	15.958 \| good	0.359 \| good	18.122 \| good	0.263 \| good
2026-05-13T04:00:00.000Z	28 \| good	3.352 \| good	10.728 \| good	29.813 \| good	0.22 \| good	11.678 \| good	0.203 \| good
2026-05-13T05:00:00.000Z	28 \| good	3.395 \| good	9.727 \| good	30.22 \| good	0.205 \| good	10.783 \| good	0.115 \| good
2026-05-13T06:00:00.000Z	27 \| good	3.401 \| good	9.748 \| good	29.339 \| good	0.224 \| good	10.702 \| good	0.11 \| good
2026-05-13T07:00:00.000Z	26 \| good	3.303 \| good	9.392 \| good	27.784 \| good	0.208 \| good	10.358 \| good	0.104 \| good
2026-05-13T08:00:00.000Z	26 \| good	3.297 \| good	8.661 \| good	27.785 \| good	0.212 \| good	10.502 \| good	0.107 \| good
2026-05-13T09:00:00.000Z	25 \| good	3.602 \| good	9.891 \| good	27.05 \| good	0.283 \| good	10.296 \| good	0.111 \| good
2026-05-13T10:00:00.000Z	23 \| good	4.016 \| good	11.215 \| good	24.984 \| good	0.263 \| good	12.944 \| good	0.199 \| good
2026-05-13T11:00:00.000Z	27 \| good	4.539 \| good	13.375 \| good	27.521 \| good	0.264 \| good	15.894 \| good	0.283 \| good
2026-05-13T12:00:00.000Z	30 \| good	4.924 \| good	15.708 \| good	31.772 \| good	0.242 \| good	17.187 \| good	0.283 \| good
2026-05-13T13:00:00.000Z	31 \| good	4.931 \| good	15.712 \| good	32.572 \| good	0.242 \| good	17.139 \| good	0.284 \| good
2026-05-13T14:00:00.000Z	38 \| good	7.209 \| good	21.055 \| good	33.647 \| good	0.246 \| good	17.368 \| good	0.286 \| good
2026-05-13T15:00:00.000Z	38 \| good	6.966 \| good	19.933 \| good	32.685 \| good	0.211 \| good	16.448 \| good	0.198 \| good
2026-05-13T16:00:00.000Z	49 \| good	9.392 \| good	42.039 \| good	40.947 \| good	0.394 \| good	2.621 \| good	0.152 \| good
2026-05-13T17:00:00.000Z	34 \| good	6.486 \| good	19.663 \| good	36.531 \| good	0.239 \| good	13.102 \| good	0.197 \| good
2026-05-13T18:00:00.000Z	38 \| good	6.644 \| good	21.074 \| good	39.844 \| good	0.228 \| good	11.347 \| good	0.198 \| good
2026-05-13T19:00:00.000Z	44 \| good	6.554 \| good	22.541 \| good	47.042 \| good	0.255 \| good	9.404 \| good	0.197 \| good
2026-05-13T20:00:00.000Z	48 \| good	6.22 \| good	23.206 \| good	51.51 \| good	0.289 \| good	9.665 \| good	0.198 \| good
2026-05-13T21:00:00.000Z	47 \| good	5.924 \| good	22.772 \| good	50.926 \| good	0.277 \| good	9.665 \| good	0.198 \| good
2026-05-13T22:00:00.000Z	50 \| good	5.707 \| good	21.395 \| good	53.705 \| good	0.266 \| good	11.942 \| good	0.197 \| good
2026-05-13T23:00:00.000Z	48 \| good	5.716 \| good	19.987 \| good	52.107 \| good	0.226 \| good	10.218 \| good	0.198 \| good
2026-05-14T00:00:00.000Z	48 \| good	5.352 \| good	17.78 \| good	52.1 \| good	0.216 \| good	8.925 \| good	0.197 \| good
2026-05-14T01:00:00.000Z	46 \| good	5.357 \| good	16.394 \| good	49.695 \| good	0.216 \| good	8.302 \| good	0.109 \| good
2026-05-14T02:00:00.000Z	46 \| good	5.432 \| good	15.74 \| good	50.092 \| good	0.24 \| good	8.75 \| good	0.196 \| good
2026-05-14T03:00:00.000Z	44 \| good	5.357 \| good	15.268 \| good	47.823 \| good	0.24 \| good	7.209 \| good	0.109 \| good
2026-05-14T04:00:00.000Z	45 \| good	5.451 \| good	14.892 \| good	48.686 \| good	0.24 \| good	6.712 \| good	0.107 \| good
2026-05-14T05:00:00.000Z	43 \| good	5.451 \| good	14.041 \| good	46.019 \| good	0.24 \| good	6.224 \| good	0.108 \| good
2026-05-14T06:00:00.000Z	44 \| good	5.349 \| good	14.023 \| good	46.704 \| good	0.211 \| good	7.374 \| good	0.107 \| good
2026-05-14T07:00:00.000Z	46 \| good	5.356 \| good	14.014 \| good	49.883 \| good	0.211 \| good	7.355 \| good	0.103 \| good
2026-05-14T08:00:00.000Z	44 \| good	5.335 \| good	14.548 \| good	47.032 \| good	0.233 \| good	6.875 \| good	0.107 \| good
2026-05-14T09:00:00.000Z	40 \| good	5.311 \| good	14.532 \| good	43.45 \| good	0.211 \| good	6.595 \| good	0.107 \| good
2026-05-14T10:00:00.000Z	38 \| good	5.252 \| good	14.536 \| good	41.205 \| good	0.24 \| good	10.845 \| good	0.111 \| good
2026-05-14T11:00:00.000Z	35 \| good	6.422 \| good	18.378 \| good	38.099 \| good	0.23 \| good	14.655 \| good	0.204 \| good
2026-05-14T12:00:00.000Z	38 \| good	6.994 \| good	19.322 \| good	35.518 \| good	0.216 \| good	18.075 \| good	0.29 \| good
2026-05-14T13:00:00.000Z	38 \| good	7.016 \| good	19.574 \| good	28.706 \| good	0.216 \| good	18.08 \| good	0.286 \| good
2026-05-14T13:00:00.000Z	38 \| good	7.273 \| good	20.158 \| good	28.453 \| good	0.22 \| good	18.92 \| good	0.287 \| good
2026-05-14T14:00:00.000Z	25 \| good	3.159 \| good	13.668 \| good	26.74 \| good	0.133 \| good	2.148 \| good	0.14 \| good
2026-05-14T15:00:00.000Z	23 \| good	3.904 \| good	17.027 \| good	24.545 \| good	0.147 \| good	1.59 \| good	0.136 \| good
2026-05-14T16:00:00.000Z	28 \| good	3.951 \| good	17.029 \| good	29.686 \| good	0.147 \| good	1.447 \| good	0.137 \| good
2026-05-14T17:00:00.000Z	33 \| good	3.955 \| good	17.114 \| good	35.907 \| good	0.139 \| good	1.372 \| good	0.136 \| good
2026-05-14T18:00:00.000Z	29 \| good	4.236 \| good	18.837 \| good	31.407 \| good	0.133 \| good	1.56 \| good	0.141 \| good
2026-05-14T19:00:00.000Z	30 \| good	3.915 \| good	16.993 \| good	32.361 \| good	0.132 \| good	1.457 \| good	0.139 \| good
2026-05-14T20:00:00.000Z	33 \| good	2.727 \| good	11.1 \| good	35.607 \| good	0.138 \| good	1.393 \| good	0.139 \| good
2026-05-14T21:00:00.000Z	36 \| good	3.174 \| good	13.687 \| good	39.134 \| good	0.148 \| good	1.639 \| good	0.144 \| good
2026-05-14T22:00:00.000Z	36 \| good	4.186 \| good	18.101 \| good	38.936 \| good	0.151 \| good	2.207 \| good	0.152 \| good
2026-05-14T23:00:00.000Z	41 \| good	4.962 \| good	21.072 \| good	44.027 \| good	0.151 \| good	3.469 \| good	0.166 \| good
2026-05-15T00:00:00.000Z	38 \| good	7.13 \| good	31.87 \| good	38.037 \| good	0.171 \| good	6.108 \| good	0.189 \| good
2026-05-15T01:00:00.000Z	49 \| good	8.702 \| good	37.918 \| good	29.818 \| good	0.208 \| good	9.504 \| good	0.217 \| good
2026-05-15T02:00:00.000Z	44 \| good	7.931 \| good	34.761 \| good	27.817 \| good	0.224 \| good	10.547 \| good	0.227 \| good
2026-05-15T03:00:00.000Z	44 \| good	7.912 \| good	34.775 \| good	30.281 \| good	0.217 \| good	9.136 \| good	0.214 \| good
2026-05-15T04:00:00.000Z	38 \| good	7.433 \| good	32.941 \| good	30.108 \| good	0.206 \| good	8.16 \| good	0.205 \| good
2026-05-15T05:00:00.000Z	38 \| good	6.762 \| good	30.011 \| good	28.763 \| good	0.191 \| good	7.397 \| good	0.198 \| good
2026-05-15T06:00:00.000Z	38 \| good	7.195 \| good	31.934 \| good	27.632 \| good	0.169 \| good	5.514 \| good	0.182 \| good
2026-05-15T07:00:00.000Z	33 \| good	6.076 \| good	26.934 \| good	26.62 \| good	0.163 \| good	3.822 \| good	0.166 \| good
2026-05-15T08:00:00.000Z	33 \| good	6.069 \| good	26.894 \| good	27.652 \| good	0.172 \| good	3.238 \| good	0.159 \| good
2026-05-15T09:00:00.000Z	38 \| good	7.005 \| good	30.999 \| good	24.147 \| good	0.178 \| good	2.92 \| good	0.154 \| good
2026-05-15T10:00:00.000Z	38 \| good	7.169 \| good	31.726 \| good	19.213 \| good	0.173 \| good	2.574 \| good	0.149 \| good
2026-05-15T11:00:00.000Z	33 \| good	6.485 \| good	28.996 \| good	18.855 \| good	0.16 \| good	2.4 \| good	0.145 \| good
2026-05-15T12:00:00.000Z	27 \| good	5.368 \| good	22.948 \| good	24.306 \| good	0.146 \| good	2.248 \| good	0.142 \| good
2026-05-15T13:00:00.000Z	28 \| good	2.935 \| good	11.876 \| good	30.444 \| good	0.128 \| good	1.956 \| good	0.139 \| good
2026-05-15T14:00:00.000Z	31 \| good	1.529 \| good	5.975 \| good	34.416 \| good	0.118 \| good	1.745 \| good	0.137 \| good
2026-05-15T15:00:00.000Z	31 \| good	2.694 \| good	11.018 \| good	33.008 \| good	0.113 \| good	1.435 \| good	0.132 \| good
2026-05-15T16:00:00.000Z	31 \| good	3.61 \| good	15.924 \| good	33.972 \| good	0.106 \| good	1.17 \| good	0.128 \| good
2026-05-15T17:00:00.000Z	33 \| good	4.067 \| good	17.814 \| good	35.874 \| good	0.11 \| good	1.217 \| good	0.127 \| good
2026-05-15T18:00:00.000Z	32 \| good	3.732 \| good	16.108 \| good	35.077 \| good	0.115 \| good	1.171 \| good	0.126 \| good
2026-05-15T19:00:00.000Z	31 \| good	4.166 \| good	18.124 \| good	32.628 \| good	0.119 \| good	1.156 \| good	0.125 \| good
2026-05-15T20:00:00.000Z	30 \| good	4.867 \| good	20.958 \| good	31.676 \| good	0.121 \| good	1.21 \| good	0.125 \| good
2026-05-15T21:00:00.000Z	28 \| good	3.985 \| good	17.734 \| good	30.482 \| good	0.123 \| good	1.45 \| good	0.129 \| good
2026-05-15T22:00:00.000Z	31 \| good	2.715 \| good	10.973 \| good	33.268 \| good	0.126 \| good	1.943 \| good	0.135 \| good
2026-05-15T23:00:00.000Z	35 \| good	2.65 \| good	10.993 \| good	37.933 \| good	0.132 \| good	3.113 \| good	0.147 \| good
2026-05-16T00:00:00.000Z	31 \| good	3.827 \| good	16.891 \| good	32.874 \| good	0.149 \| good	4.792 \| good	0.161 \| good
2026-05-16T01:00:00.000Z	24 \| good	4.396 \| good	18.991 \| good	25.895 \| good	0.191 \| good	7.77 \| good	0.179 \| good
2026-05-16T02:00:00.000Z	23 \| good	3.68 \| good	15.859 \| good	25.324 \| good	0.234 \| good	11.329 \| good	0.202 \| good
2026-05-16T03:00:00.000Z	27 \| good	4.716 \| good	20.654 \| good	22.971 \| good	0.265 \| good	14.023 \| good	0.22 \| good
2026-05-16T04:00:00.000Z	21 \| good	3.321 \| good	14.448 \| good	22.859 \| good	0.269 \| good	14.77 \| good	0.229 \| good
2026-05-16T05:00:00.000Z	23 \| good	2.766 \| good	11.778 \| good	24.976 \| good	0.254 \| good	13.928 \| good	0.226 \| good
2026-05-16T06:00:00.000Z	27 \| good	5.271 \| good	5.36 \| good	18.284 \| good	0.228 \| good	9.203 \| good	0.19 \| good
2026-05-16T07:00:00.000Z	21 \| good	1.971 \| good	8.022 \| good	22.642 \| good	0.217 \| good	5.76 \| good	0.166 \| good
2026-05-16T08:00:00.000Z	20 \| good	1.868 \| good	7.924 \| good	22.103 \| good	0.213 \| good	4.451 \| good	0.158 \| good
2026-05-16T09:00:00.000Z	20 \| good	0.221 \| good	0.992 \| good	22.184 \| good	0.215 \| good	3.884 \| good	0.154 \| good
2026-05-16T10:00:00.000Z	22 \| good	1.665 \| good	6.872 \| good	24.276 \| good	0.228 \| good	3.468 \| good	0.152 \| good
2026-05-16T11:00:00.000Z	28 \| good	3.218 \| good	13.852 \| good	29.647 \| good	0.245 \| good	2.755 \| good	0.153 \| good
2026-05-16T12:00:00.000Z	30 \| good	3.855 \| good	3.956 \| good	32.496 \| good	0.292 \| good	2.042 \| good	0.153 \| good
2026-05-16T13:00:00.000Z	35 \| good	4.173 \| good	4.329 \| good	38.275 \| good	0.365 \| good	1.47 \| good	0.151 \| good

Live air quality index in West Hartford, Connecticut today

Major air pollutants in West Hartford, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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West Hartford, Connecticut air quality map: Stay updated on AQI near you

Air quality in nearby cities

Farmington, Connecticut

Hartford, Connecticut

Bloomfield, Connecticut

Newington, Connecticut

Avon, Connecticut

Wethersfield, Connecticut

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Frequently asked questions

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

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What is the nitrogen dioxide (NO2) level in West Hartford, Connecticut 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 West Hartford, Connecticut at the moment?

What is the PM₁₀ level in West Hartford, Connecticut at the moment?

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What is the ozone (O₃) level in West Hartford, Connecticut at the moment?

What is the nitrogen dioxide (NO₂) level in West Hartford, Connecticut at the moment?