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

The PM10 concentration in Norwich, Connecticut is 17.723 μg/m3 at the moment.

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

Currently, Norwich, Connecticut has a sulfur dioxide (SO2) concentration of 0.234 ppb.

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

The current ozone (O3) level in Norwich, Connecticut at the moment is 35.662 ppm.

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

Nitrogen dioxide (NO2) level in Norwich, Connecticut at the moment is 11.175 ppb.

Live air quality index in Norwich, Connecticut today

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

PM2.5 levels in Norwich, Connecticut are currently 4.369 μg/m3.

Stay updated with real-time air quality in Norwich, 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

Norwich, Connecticut

Last updated: ... (Local time)

Major air pollutants in Norwich, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.37 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.72 μg/m³

155

255

425

605+

Ozone (O₃)

35.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.23 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.18 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.24 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

Please contact us for custom requests

Norwich, Connecticut

Scroll To Air Quality Map

Track live Norwich, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-12T14:00:00.000Z	49 \| good	8.657 \| good	14.662 \| good	28.631 \| good	0.339 \| good	7.963 \| good	0.26 \| good
2026-03-12T15:00:00.000Z	28 \| good	5.057 \| good	13.06 \| good	30.197 \| good	0.297 \| good	4.541 \| good	0.231 \| good
2026-03-12T16:00:00.000Z	28 \| good	3.037 \| good	6.097 \| good	29.883 \| good	0.228 \| good	4.565 \| good	0.231 \| good
2026-03-12T18:00:00.000Z	31 \| good	2.526 \| good	10.049 \| good	33.663 \| good	0.322 \| good	4.798 \| good	0.211 \| good
2026-03-12T19:00:00.000Z	31 \| good	2.224 \| good	10.238 \| good	33.454 \| good	0.343 \| good	4.811 \| good	0.235 \| good
2026-03-12T20:00:00.000Z	31 \| good	2.166 \| good	6.278 \| good	32.61 \| good	0.321 \| good	3.947 \| good	0.211 \| good
2026-03-12T21:00:00.000Z	32 \| good	2.215 \| good	8.647 \| good	35.308 \| good	0.327 \| good	3.969 \| good	0.219 \| good
2026-03-12T22:00:00.000Z	31 \| good	2.458 \| good	8.996 \| good	33.202 \| good	0.319 \| good	3.967 \| good	0.198 \| good
2026-03-12T23:00:00.000Z	31 \| good	2.364 \| good	10.402 \| good	32.999 \| good	0.224 \| good	4.89 \| good	0.26 \| good
2026-03-13T00:00:00.000Z	30 \| good	2.373 \| good	9.039 \| good	32.088 \| good	0.224 \| good	4.243 \| good	0.242 \| good
2026-03-13T01:00:00.000Z	33 \| good	2.203 \| good	8.055 \| good	36.271 \| good	0.224 \| good	2.934 \| good	0.179 \| good
2026-03-13T02:00:00.000Z	34 \| good	2.464 \| good	5.195 \| good	37.105 \| good	0.202 \| good	3.205 \| good	0.203 \| good
2026-03-13T03:00:00.000Z	33 \| good	2.121 \| good	7.457 \| good	36.45 \| good	0.202 \| good	3.583 \| good	0.179 \| good
2026-03-13T04:00:00.000Z	32 \| good	1.989 \| good	5.987 \| good	34.821 \| good	0.218 \| good	3.645 \| good	0.158 \| good
2026-03-13T05:00:00.000Z	32 \| good	1.767 \| good	5.134 \| good	35.084 \| good	0.49 \| good	2.188 \| good	0.158 \| good
2026-03-13T06:00:00.000Z	32 \| good	1.725 \| good	4.513 \| good	34.728 \| good	0.28 \| good	2.476 \| good	0.158 \| good
2026-03-13T07:00:00.000Z	34 \| good	1.89 \| good	3.876 \| good	37.162 \| good	0.28 \| good	2.486 \| good	0.158 \| good
2026-03-13T08:00:00.000Z	34 \| good	2.218 \| good	7.554 \| good	36.686 \| good	0.263 \| good	3.673 \| good	0.123 \| good
2026-03-13T09:00:00.000Z	33 \| good	2.026 \| good	7.021 \| good	35.523 \| good	0.153 \| good	4.985 \| good	0.14 \| good
2026-03-13T10:00:00.000Z	32 \| good	2.825 \| good	12.582 \| good	34.832 \| good	0.179 \| good	5.783 \| good	0.224 \| good
2026-03-13T11:00:00.000Z	33 \| good	2.084 \| good	8.982 \| good	35.789 \| good	0.191 \| good	4.413 \| good	0.245 \| good
2026-03-13T12:00:00.000Z	28 \| good	2.591 \| good	10.351 \| good	30.135 \| good	0.191 \| good	4.111 \| good	0.266 \| good
2026-03-13T13:00:00.000Z	34 \| good	2.698 \| good	12.674 \| good	36.703 \| good	0.276 \| good	6.813 \| good	0.28 \| good
2026-03-13T14:00:00.000Z	35 \| good	2.127 \| good	11.321 \| good	37.959 \| good	0.194 \| good	5.308 \| good	0.242 \| good
2026-03-13T15:00:00.000Z	33 \| good	2.239 \| good	5.86 \| good	35.827 \| good	0.194 \| good	5.432 \| good	0.266 \| good
2026-03-13T16:00:00.000Z	33 \| good	2.867 \| good	11.857 \| good	35.776 \| good	0.141 \| good	6.185 \| good	0.244 \| good
2026-03-13T17:00:00.000Z	36 \| good	3.297 \| good	16.804 \| good	39.315 \| good	0.215 \| good	4.036 \| good	0.244 \| good
2026-03-13T18:00:00.000Z	37 \| good	1.991 \| good	11.597 \| good	40.031 \| good	0.214 \| good	5.501 \| good	0.266 \| good
2026-03-13T19:00:00.000Z	36 \| good	3.042 \| good	16.741 \| good	39.275 \| good	0.214 \| good	5.069 \| good	0.289 \| good
2026-03-13T20:00:00.000Z	37 \| good	3.199 \| good	8.596 \| good	39.671 \| good	0.202 \| good	4.181 \| good	0.244 \| good
2026-03-13T21:00:00.000Z	37 \| good	3.163 \| good	12.639 \| good	40.158 \| good	0.16 \| good	5.155 \| good	0.268 \| good
2026-03-13T22:00:00.000Z	37 \| good	3.721 \| good	11.477 \| good	40.299 \| good	0.18 \| good	7.469 \| good	0.244 \| good
2026-03-13T23:00:00.000Z	37 \| good	3.924 \| good	18.526 \| good	39.659 \| good	0.18 \| good	7.936 \| good	0.244 \| good
2026-03-14T00:00:00.000Z	36 \| good	2.772 \| good	11.547 \| good	38.792 \| good	0.139 \| good	7.306 \| good	0.244 \| good
2026-03-14T01:00:00.000Z	36 \| good	2.467 \| good	13.42 \| good	38.816 \| good	0.196 \| good	6.175 \| good	0.223 \| good
2026-03-14T02:00:00.000Z	36 \| good	2.946 \| good	9.521 \| good	39.101 \| good	0.194 \| good	5.776 \| good	0.223 \| good
2026-03-14T03:00:00.000Z	38 \| good	4.25 \| good	15.038 \| good	41.407 \| good	0.174 \| good	3.069 \| good	0.205 \| good
2026-03-14T04:00:00.000Z	38 \| good	4.3 \| good	18.424 \| good	41.252 \| good	0.194 \| good	3.617 \| good	0.2 \| good
2026-03-14T05:00:00.000Z	38 \| good	3.741 \| good	12.786 \| good	41.392 \| good	0.194 \| good	4.139 \| good	0.179 \| good
2026-03-14T06:00:00.000Z	38 \| good	3.503 \| good	15.17 \| good	41.481 \| good	0.194 \| good	4.855 \| good	0.187 \| good
2026-03-14T07:00:00.000Z	38 \| good	3.924 \| good	13.719 \| good	40.784 \| good	0.193 \| good	7.322 \| good	0.187 \| good
2026-03-14T08:00:00.000Z	35 \| good	3.643 \| good	16.075 \| good	38.308 \| good	0.21 \| good	7.422 \| good	0.2 \| good
2026-03-14T09:00:00.000Z	38 \| good	4.733 \| good	20.906 \| good	40.858 \| good	0.192 \| good	6.349 \| good	0.182 \| good
2026-03-14T10:00:00.000Z	35 \| good	5.652 \| good	19.745 \| good	38.009 \| good	0.194 \| good	8.458 \| good	0.182 \| good
2026-03-14T11:00:00.000Z	33 \| good	5.525 \| good	27.013 \| good	35.304 \| good	0.236 \| good	12.992 \| good	0.239 \| good
2026-03-14T12:00:00.000Z	33 \| good	4.369 \| good	17.723 \| good	35.662 \| good	0.234 \| good	11.175 \| good	0.239 \| good
2026-03-14T13:00:00.000Z	29 \| good	4.021 \| good	21.475 \| good	30.725 \| good	0.234 \| good	7.77 \| good	0.21 \| good
2026-03-14T13:00:00.000Z	33 \| good	4.369 \| good	17.723 \| good	35.662 \| good	0.234 \| good	11.175 \| good	0.239 \| good
2026-03-14T14:00:00.000Z	31 \| good	1.921 \| good	7.996 \| good	33.07 \| good	0.895 \| good	2.815 \| good	0.165 \| good
2026-03-14T15:00:00.000Z	31 \| good	1.743 \| good	7.299 \| good	33.72 \| good	0.563 \| good	1.7 \| good	0.167 \| good
2026-03-14T16:00:00.000Z	31 \| good	2.754 \| good	11.141 \| good	34.414 \| good	0.515 \| good	1.507 \| good	0.168 \| good
2026-03-14T17:00:00.000Z	32 \| good	3.581 \| good	15.858 \| good	35.435 \| good	0.467 \| good	1.313 \| good	0.169 \| good
2026-03-14T18:00:00.000Z	33 \| good	4.259 \| good	18.664 \| good	36.098 \| good	0.42 \| good	1.12 \| good	0.169 \| good
2026-03-14T19:00:00.000Z	33 \| good	5.14 \| good	22.147 \| good	36.107 \| good	0.423 \| good	1.24 \| good	0.17 \| good
2026-03-14T20:00:00.000Z	33 \| good	5.387 \| good	23.042 \| good	35.552 \| good	0.426 \| good	1.361 \| good	0.17 \| good
2026-03-14T21:00:00.000Z	32 \| good	4.256 \| good	18.929 \| good	34.898 \| good	0.429 \| good	1.481 \| good	0.171 \| good
2026-03-14T22:00:00.000Z	38 \| good	6.994 \| good	31.159 \| good	37.856 \| good	0.439 \| good	1.909 \| good	0.172 \| good
2026-03-14T23:00:00.000Z	34 \| good	6.317 \| good	28.123 \| good	37.09 \| good	0.448 \| good	2.336 \| good	0.174 \| good
2026-03-15T00:00:00.000Z	33 \| good	5.746 \| good	25.365 \| good	30.563 \| good	0.458 \| good	2.764 \| good	0.175 \| good
2026-03-15T01:00:00.000Z	33 \| good	6.028 \| good	26.702 \| good	27.646 \| good	0.44 \| good	2.546 \| good	0.17 \| good
2026-03-15T02:00:00.000Z	27 \| good	5.345 \| good	22.851 \| good	28.36 \| good	0.423 \| good	2.329 \| good	0.165 \| good
2026-03-15T03:00:00.000Z	27 \| good	4.74 \| good	20.399 \| good	29.085 \| good	0.406 \| good	2.112 \| good	0.16 \| good
2026-03-15T04:00:00.000Z	27 \| good	4.135 \| good	18.286 \| good	28.944 \| good	0.388 \| good	1.915 \| good	0.157 \| good
2026-03-15T05:00:00.000Z	26 \| good	2.844 \| good	11.857 \| good	28.281 \| good	0.369 \| good	1.719 \| good	0.154 \| good
2026-03-15T06:00:00.000Z	25 \| good	1.76 \| good	7.379 \| good	27.312 \| good	0.351 \| good	1.522 \| good	0.151 \| good
2026-03-15T07:00:00.000Z	23 \| good	1.752 \| good	7.184 \| good	25.001 \| good	0.361 \| good	1.463 \| good	0.152 \| good
2026-03-15T08:00:00.000Z	20 \| good	2.266 \| good	9.138 \| good	22.189 \| good	0.372 \| good	1.403 \| good	0.152 \| good
2026-03-15T09:00:00.000Z	18 \| good	3.095 \| good	13.289 \| good	18.78 \| good	0.382 \| good	1.343 \| good	0.153 \| good
2026-03-15T10:00:00.000Z	16 \| good	3.288 \| good	14.517 \| good	17.424 \| good	0.409 \| good	1.839 \| good	0.157 \| good
2026-03-15T11:00:00.000Z	22 \| good	3.501 \| good	15.507 \| good	17.69 \| good	0.436 \| good	2.336 \| good	0.162 \| good
2026-03-15T12:00:00.000Z	22 \| good	3.511 \| good	15.304 \| good	23.47 \| good	0.463 \| good	2.832 \| good	0.167 \| good
2026-03-15T13:00:00.000Z	27 \| good	4.831 \| good	21.036 \| good	24.909 \| good	0.467 \| good	2.848 \| good	0.166 \| good
2026-03-15T14:00:00.000Z	27 \| good	2.703 \| good	11.288 \| good	29.423 \| good	0.471 \| good	2.863 \| good	0.166 \| good
2026-03-15T15:00:00.000Z	32 \| good	1.593 \| good	6.524 \| good	34.829 \| good	0.475 \| good	2.879 \| good	0.166 \| good
2026-03-15T16:00:00.000Z	34 \| good	2.934 \| good	11.896 \| good	36.954 \| good	0.524 \| good	2.911 \| good	0.165 \| good
2026-03-15T17:00:00.000Z	33 \| good	3.518 \| good	15.383 \| good	36.284 \| good	0.572 \| good	2.943 \| good	0.164 \| good
2026-03-15T18:00:00.000Z	34 \| good	3.179 \| good	13.395 \| good	36.997 \| good	0.62 \| good	2.975 \| good	0.163 \| good
2026-03-15T19:00:00.000Z	35 \| good	2.883 \| good	11.915 \| good	37.56 \| good	0.52 \| good	2.417 \| good	0.158 \| good
2026-03-15T20:00:00.000Z	34 \| good	2.461 \| good	10.04 \| good	37.394 \| good	0.419 \| good	1.86 \| good	0.152 \| good
2026-03-15T21:00:00.000Z	33 \| good	2.763 \| good	11.327 \| good	36.353 \| good	0.319 \| good	1.302 \| good	0.146 \| good
2026-03-15T22:00:00.000Z	32 \| good	4.096 \| good	18.186 \| good	35.161 \| good	0.296 \| good	1.658 \| good	0.15 \| good
2026-03-15T23:00:00.000Z	30 \| good	4.446 \| good	19.454 \| good	31.711 \| good	0.272 \| good	2.015 \| good	0.154 \| good
2026-03-16T00:00:00.000Z	27 \| good	4.789 \| good	20.675 \| good	27.817 \| good	0.249 \| good	2.371 \| good	0.158 \| good
2026-03-16T01:00:00.000Z	27 \| good	4.919 \| good	21.329 \| good	28.787 \| good	0.241 \| good	2.107 \| good	0.155 \| good
2026-03-16T02:00:00.000Z	29 \| good	4.638 \| good	20.29 \| good	30.654 \| good	0.234 \| good	1.844 \| good	0.152 \| good
2026-03-16T03:00:00.000Z	30 \| good	4.062 \| good	17.84 \| good	32.042 \| good	0.226 \| good	1.581 \| good	0.149 \| good
2026-03-16T04:00:00.000Z	30 \| good	3.9 \| good	17.152 \| good	31.571 \| good	0.21 \| good	1.29 \| good	0.145 \| good
2026-03-16T05:00:00.000Z	31 \| good	4.435 \| good	19.359 \| good	33.126 \| good	0.195 \| good	1 \| good	0.141 \| good
2026-03-16T06:00:00.000Z	52 \| moderate	9.909 \| good	15.405 \| good	50.059 \| good	0.182 \| good	0.723 \| good	0.136 \| good
2026-03-16T07:00:00.000Z	32 \| good	4.472 \| good	19.621 \| good	35.027 \| good	0.179 \| good	0.618 \| good	0.134 \| good
2026-03-16T08:00:00.000Z	33 \| good	4.924 \| good	21.454 \| good	35.531 \| good	0.179 \| good	0.526 \| good	0.131 \| good
2026-03-16T09:00:00.000Z	36 \| good	6.13 \| good	26.922 \| good	38.615 \| good	0.178 \| good	0.434 \| good	0.129 \| good
2026-03-16T10:00:00.000Z	37 \| good	5.35 \| good	23.031 \| good	39.8 \| good	0.186 \| good	0.639 \| good	0.131 \| good
2026-03-16T11:00:00.000Z	36 \| good	5.088 \| good	21.795 \| good	39.314 \| good	0.193 \| good	0.844 \| good	0.132 \| good
2026-03-16T12:00:00.000Z	54 \| moderate	11.165 \| good	17.638 \| good	52.954 \| good	0.204 \| good	1.069 \| good	0.134 \| good
2026-03-16T13:00:00.000Z	52 \| moderate	10.313 \| good	15.914 \| good	51.487 \| good	0.167 \| good	1.072 \| good	0.131 \| good

Norwich

Get reliable air quality data to drive your business

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

0.24ppm

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.

View Polluted Cities

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

View Clean Cities

Frequently asked questions

How often is air quality information updated for Norwich, Connecticut?

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

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

In the past 24 hours, the air quality in Norwich, Connecticut was at its worst at 09:00:00 on 2026-03-14.

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

In the last 24 hours, the best air quality in Norwich, Connecticut was observed at 12:00:00 on 2026-03-14.

What is the AQI in Norwich, Connecticut right now?

As of now, the AQI in Norwich, Connecticut is 33, indicating Good conditions.

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

Norwich, Connecticut air has the highest levels of O3.

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

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

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

PM_2.5 levels in Norwich, Connecticut are currently 4.369 μg/m³.

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

The PM₁₀ concentration in Norwich, Connecticut is 17.723 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Norwich, Connecticut is 0.239 ppm.

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

Currently, Norwich, Connecticut has a sulfur dioxide (SO₂) concentration of 0.234 ppb.

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

The current ozone (O₃) level in Norwich, Connecticut at the moment is 35.662 ppm.

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

Nitrogen dioxide (NO₂) level in Norwich, Connecticut at the moment is 11.175 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions