What are the current PM10 levels at Cromwell, Connecticut?

The current PM10 levels in Cromwell, Connecticut are 30.377 μg/m3.

What are the current sulfur dioxide (SO2) levels at Cromwell, Connecticut?

The current sulfur dioxide (SO2) levels in Cromwell, Connecticut are 0.804 ppb.

What are the current ozone (O3) levels at Cromwell, Connecticut?

The current ozone (O3) levels at Cromwell, Connecticut is 11.62 ppm.

What are the current nitrogen dioxide (NO2) levels at Cromwell, Connecticut?

The current nitrogen dioxide (NO2) levels at Cromwell, Connecticut is 17.473 ppb.

Real-time air quality index in Cromwell, Connecticut today

Q: What are the current PM2.5 levels in Cromwell, Connecticut?

The measured PM2.5 levels in Cromwell, Connecticut at present are 10.131 μg/m3.

Stay updated with real-time air quality in Cromwell, 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)

Moderate

Cromwell, Connecticut

Last updated: ... (Local time)

Common air pollutants in Cromwell, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.13 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.38 μg/m³

155

255

425

605+

Ozone (O₃)

11.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.80 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

17.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

1.01 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

Cromwell, Connecticut

Scroll To Air Quality Map

Track live Cromwell, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-07T13:00:00.000Z	27 \| good	5.497 \| good	21.335 \| good	18.071 \| good	0.225 \| good	16.831 \| good	0.277 \| good
2026-03-07T14:00:00.000Z	38 \| good	7.089 \| good	16.676 \| good	16.282 \| good	0.225 \| good	15.488 \| good	0.263 \| good
2026-03-07T15:00:00.000Z	27 \| good	5.141 \| good	15.953 \| good	17.928 \| good	0.225 \| good	11.828 \| good	0.312 \| good
2026-03-07T16:00:00.000Z	22 \| good	4.303 \| good	19.425 \| good	24.216 \| good	0.209 \| good	10.897 \| good	0.256 \| good
2026-03-07T17:00:00.000Z	26 \| good	3.679 \| good	13.647 \| good	27.538 \| good	0.209 \| good	9.487 \| good	0.256 \| good
2026-03-07T18:00:00.000Z	27 \| good	5.224 \| good	20.447 \| good	29.361 \| good	0.17 \| good	7.809 \| good	0.263 \| good
2026-03-07T19:00:00.000Z	29 \| good	4.013 \| good	9.396 \| good	31.389 \| good	0.169 \| good	8.729 \| good	0.263 \| good
2026-03-07T20:00:00.000Z	29 \| good	5.113 \| good	9.191 \| good	31.473 \| good	0.239 \| good	7.19 \| good	0.263 \| good
2026-03-07T21:00:00.000Z	29 \| good	4.193 \| good	16.866 \| good	31.226 \| good	0.258 \| good	8.226 \| good	0.27 \| good
2026-03-07T22:00:00.000Z	29 \| good	4.915 \| good	10.713 \| good	31.375 \| good	0.238 \| good	8.785 \| good	0.27 \| good
2026-03-07T23:00:00.000Z	30 \| good	5.228 \| good	10.571 \| good	32.063 \| good	0.188 \| good	8.384 \| good	0.304 \| good
2026-03-08T00:00:00.000Z	30 \| good	5.385 \| good	11.62 \| good	31.651 \| good	0.17 \| good	11.503 \| good	0.322 \| good
2026-03-08T01:00:00.000Z	28 \| good	5.001 \| good	12.372 \| good	30.177 \| good	0.225 \| good	9.967 \| good	0.304 \| good
2026-03-08T02:00:00.000Z	30 \| good	4.88 \| good	21.265 \| good	31.586 \| good	0.188 \| good	11.332 \| good	0.223 \| good
2026-03-08T03:00:00.000Z	44 \| good	8.31 \| good	36.206 \| good	29.006 \| good	0.847 \| good	10.017 \| good	0.191 \| good
2026-03-08T04:00:00.000Z	28 \| good	2.781 \| good	12.6 \| good	29.776 \| good	0.154 \| good	11.344 \| good	0.24 \| good
2026-03-08T05:00:00.000Z	50 \| good	5.57 \| good	54.014 \| good	27.554 \| good	0.173 \| good	8.425 \| good	0.271 \| good
2026-03-08T06:00:00.000Z	44 \| good	7.594 \| good	35.972 \| good	25.507 \| good	0.207 \| good	9.277 \| good	0.215 \| good
2026-03-08T07:00:00.000Z	44 \| good	7.915 \| good	40.893 \| good	24.643 \| good	0.205 \| good	10.352 \| good	0.219 \| good
2026-03-08T08:00:00.000Z	44 \| good	7.831 \| good	17.348 \| good	24.989 \| good	0.171 \| good	11.215 \| good	0.208 \| good
2026-03-08T09:00:00.000Z	27 \| good	5.184 \| good	19.426 \| good	23.331 \| good	0.227 \| good	12.285 \| good	0.208 \| good
2026-03-08T10:00:00.000Z	33 \| good	5.627 \| good	34.414 \| good	20.896 \| good	0.262 \| good	11.51 \| good	0.215 \| good
2026-03-08T11:00:00.000Z	52 \| moderate	8.581 \| good	56.593 \| fine	20.092 \| good	0.224 \| good	12.22 \| good	0.215 \| good
2026-03-08T12:00:00.000Z	52 \| moderate	10.291 \| good	32.633 \| good	16.748 \| good	0.197 \| good	14.415 \| good	0.211 \| good
2026-03-08T13:00:00.000Z	52 \| moderate	10.087 \| good	21.005 \| good	14.553 \| good	0.197 \| good	11.448 \| good	0.223 \| good
2026-03-08T14:00:00.000Z	44 \| good	8.102 \| good	32.491 \| good	14.443 \| good	0.275 \| good	12.402 \| good	0.245 \| good
2026-03-08T15:00:00.000Z	49 \| good	8.597 \| good	22.99 \| good	15.558 \| good	0.234 \| good	10.872 \| good	0.245 \| good
2026-03-08T16:00:00.000Z	44 \| good	8.257 \| good	21.339 \| good	15.665 \| good	0.169 \| good	8.772 \| good	0.333 \| good
2026-03-08T17:00:00.000Z	49 \| good	8.611 \| good	29.097 \| good	15.483 \| good	0.202 \| good	9.298 \| good	0.34 \| good
2026-03-08T18:00:00.000Z	38 \| good	7.231 \| good	41.349 \| good	18.943 \| good	0.27 \| good	9.509 \| good	0.292 \| good
2026-03-08T19:00:00.000Z	49 \| good	8.774 \| good	16.609 \| good	21.492 \| good	0.311 \| good	8.945 \| good	0.235 \| good
2026-03-08T20:00:00.000Z	49 \| good	8.645 \| good	14.272 \| good	20.974 \| good	0.191 \| good	6.34 \| good	0.299 \| good
2026-03-08T21:00:00.000Z	33 \| good	6.062 \| good	18.052 \| good	23.545 \| good	0.155 \| good	5.797 \| good	0.251 \| good
2026-03-08T22:00:00.000Z	54 \| moderate	10.646 \| good	14.215 \| good	23.983 \| good	0.184 \| good	8.307 \| good	0.251 \| good
2026-03-08T23:00:00.000Z	27 \| good	5.105 \| good	13.792 \| good	22.919 \| good	0.166 \| good	14.199 \| good	0.288 \| good
2026-03-09T00:00:00.000Z	54 \| moderate	10.601 \| good	16.348 \| good	18.586 \| good	0.301 \| good	15.916 \| good	0.378 \| good
2026-03-09T01:00:00.000Z	38 \| good	7.407 \| good	12.966 \| good	13.44 \| good	0.396 \| good	21.403 \| good	0.539 \| good
2026-03-09T02:00:00.000Z	44 \| good	7.975 \| good	16.631 \| good	11.07 \| good	0.49 \| good	19.576 \| good	0.574 \| good
2026-03-09T03:00:00.000Z	49 \| good	8.641 \| good	38.195 \| good	39.749 \| good	1.13 \| good	14.58 \| good	0.28 \| good
2026-03-09T04:00:00.000Z	54 \| moderate	11.375 \| good	28.807 \| good	6.756 \| good	0.471 \| good	19.189 \| good	0.65 \| good
2026-03-09T05:00:00.000Z	54 \| moderate	11.251 \| good	26.181 \| good	11.061 \| good	0.37 \| good	14.499 \| good	0.548 \| good
2026-03-09T06:00:00.000Z	54 \| moderate	10.619 \| good	17.841 \| good	19.905 \| good	0.51 \| good	14.626 \| good	0.459 \| good
2026-03-09T07:00:00.000Z	52 \| moderate	9.632 \| good	26.577 \| good	19.972 \| good	0.644 \| good	14.143 \| good	0.557 \| good
2026-03-09T08:00:00.000Z	52 \| moderate	9.511 \| good	28.808 \| good	20.09 \| good	0.588 \| good	11.67 \| good	0.372 \| good
2026-03-09T09:00:00.000Z	49 \| good	8.567 \| good	25.677 \| good	15.247 \| good	0.567 \| good	13.493 \| good	0.395 \| good
2026-03-09T10:00:00.000Z	52 \| moderate	9.689 \| good	22.673 \| good	16.186 \| good	0.478 \| good	12.741 \| good	0.458 \| good
2026-03-09T11:00:00.000Z	52 \| moderate	9.792 \| good	27.267 \| good	15.253 \| good	0.605 \| good	17.649 \| good	0.651 \| good
2026-03-09T12:00:00.000Z	52 \| moderate	10.131 \| good	30.377 \| good	11.62 \| good	0.804 \| good	17.473 \| good	1.007 \| good
2026-03-09T12:00:00.000Z	52 \| moderate	10.131 \| good	30.377 \| good	11.62 \| good	0.804 \| good	17.473 \| good	1.007 \| good
2026-03-09T13:00:00.000Z	44 \| good	8.2 \| good	36.059 \| good	25.75 \| good	2.868 \| good	14.415 \| good	0.304 \| good
2026-03-09T14:00:00.000Z	38 \| good	6.64 \| good	29.989 \| good	30.438 \| good	3.4 \| good	12.739 \| good	0.289 \| good
2026-03-09T15:00:00.000Z	35 \| good	5.529 \| good	24.086 \| good	37.769 \| good	3.931 \| good	11.064 \| good	0.273 \| good
2026-03-09T16:00:00.000Z	38 \| good	5.145 \| good	22.07 \| good	40.862 \| good	4.078 \| good	9.937 \| good	0.252 \| good
2026-03-09T17:00:00.000Z	39 \| good	4.036 \| good	17.97 \| good	42.244 \| good	4.224 \| good	8.811 \| good	0.231 \| good
2026-03-09T18:00:00.000Z	40 \| good	3.487 \| good	15.055 \| good	43.356 \| good	4.37 \| good	7.685 \| good	0.209 \| good
2026-03-09T19:00:00.000Z	39 \| good	3.275 \| good	13.93 \| good	42.011 \| good	3.881 \| good	8.053 \| good	0.205 \| good
2026-03-09T20:00:00.000Z	37 \| good	3.057 \| good	12.138 \| good	40.49 \| good	3.393 \| good	8.422 \| good	0.202 \| good
2026-03-09T21:00:00.000Z	36 \| good	2.968 \| good	12.004 \| good	38.506 \| good	2.905 \| good	8.791 \| good	0.198 \| good
2026-03-09T22:00:00.000Z	49 \| good	8.589 \| good	37.536 \| good	35.166 \| good	2.828 \| good	11.493 \| good	0.214 \| good
2026-03-09T23:00:00.000Z	52 \| moderate	9.841 \| good	43.456 \| good	37.799 \| good	2.751 \| good	14.196 \| good	0.231 \| good
2026-03-10T00:00:00.000Z	44 \| good	7.653 \| good	33.981 \| good	40.856 \| good	2.674 \| good	16.898 \| good	0.247 \| good
2026-03-10T01:00:00.000Z	42 \| good	6.38 \| good	28.782 \| good	44.772 \| good	2.888 \| good	17.445 \| good	0.252 \| good
2026-03-10T02:00:00.000Z	39 \| good	7.132 \| good	31.84 \| good	41.975 \| good	3.102 \| good	17.992 \| good	0.256 \| good
2026-03-10T03:00:00.000Z	44 \| good	8.172 \| good	36.067 \| good	37.983 \| good	3.317 \| good	18.539 \| good	0.26 \| good
2026-03-10T04:00:00.000Z	49 \| good	9.171 \| good	40.907 \| good	35.132 \| good	3.459 \| good	18.855 \| good	0.257 \| good
2026-03-10T05:00:00.000Z	56 \| moderate	12.426 \| fine	56.705 \| fine	30.225 \| good	3.601 \| good	19.171 \| good	0.255 \| good
2026-03-10T06:00:00.000Z	62 \| moderate	14.554 \| fine	65.031 \| fine	22.898 \| good	3.743 \| good	19.488 \| good	0.253 \| good
2026-03-10T07:00:00.000Z	64 \| moderate	16.152 \| fine	71.136 \| fine	17.926 \| good	3.788 \| good	18.616 \| good	0.249 \| good
2026-03-10T08:00:00.000Z	64 \| moderate	16.104 \| fine	70.987 \| fine	17.571 \| good	3.833 \| good	17.744 \| good	0.246 \| good
2026-03-10T09:00:00.000Z	64 \| moderate	15.851 \| fine	70.626 \| fine	8.014 \| good	3.877 \| good	16.873 \| good	0.243 \| good
2026-03-10T10:00:00.000Z	62 \| moderate	15.397 \| fine	68.756 \| fine	9.414 \| good	3.912 \| good	17.768 \| good	0.27 \| good
2026-03-10T11:00:00.000Z	69 \| moderate	18.946 \| fine	83.144 \| fine	7.631 \| good	3.947 \| good	18.664 \| good	0.297 \| good
2026-03-10T12:00:00.000Z	67 \| moderate	17.636 \| fine	78.814 \| fine	10.799 \| good	3.982 \| good	19.559 \| good	0.323 \| good
2026-03-10T13:00:00.000Z	60 \| moderate	14.075 \| fine	63.02 \| fine	16.874 \| good	3.978 \| good	16.269 \| good	0.304 \| good
2026-03-10T14:00:00.000Z	54 \| moderate	10.732 \| good	47.316 \| good	25.411 \| good	3.974 \| good	12.978 \| good	0.285 \| good
2026-03-10T15:00:00.000Z	49 \| good	8.539 \| good	37.249 \| good	34.705 \| good	3.97 \| good	9.688 \| good	0.266 \| good
2026-03-10T16:00:00.000Z	39 \| good	7.181 \| good	32.028 \| good	41.739 \| good	3.705 \| good	8.203 \| good	0.246 \| good
2026-03-10T17:00:00.000Z	41 \| good	5.6 \| good	24.12 \| good	44.036 \| good	3.44 \| good	6.718 \| good	0.226 \| good
2026-03-10T18:00:00.000Z	39 \| good	5.387 \| good	23.039 \| good	42.209 \| good	3.174 \| good	5.233 \| good	0.206 \| good
2026-03-10T19:00:00.000Z	40 \| good	5.28 \| good	22.781 \| good	43.338 \| good	3.243 \| good	6.585 \| good	0.212 \| good
2026-03-10T20:00:00.000Z	42 \| good	4.476 \| good	19.694 \| good	44.725 \| good	3.311 \| good	7.938 \| good	0.218 \| good
2026-03-10T21:00:00.000Z	41 \| good	3.109 \| good	13.745 \| good	43.951 \| good	3.38 \| good	9.291 \| good	0.224 \| good
2026-03-10T22:00:00.000Z	46 \| good	5.108 \| good	22.112 \| good	50.108 \| good	3.574 \| good	13.036 \| good	0.246 \| good
2026-03-10T23:00:00.000Z	46 \| good	5.778 \| good	25.207 \| good	49.851 \| good	3.768 \| good	16.782 \| good	0.267 \| good
2026-03-11T00:00:00.000Z	49 \| good	3.899 \| good	16.88 \| good	52.666 \| good	3.961 \| good	20.528 \| good	0.288 \| good
2026-03-11T01:00:00.000Z	46 \| good	4.067 \| good	17.693 \| good	50.18 \| good	3.806 \| good	19.943 \| good	0.286 \| good
2026-03-11T02:00:00.000Z	44 \| good	6.373 \| good	28.084 \| good	46.624 \| good	3.651 \| good	19.359 \| good	0.284 \| good
2026-03-11T03:00:00.000Z	43 \| good	7.005 \| good	31.109 \| good	46.041 \| good	3.496 \| good	18.774 \| good	0.282 \| good
2026-03-11T04:00:00.000Z	44 \| good	8.073 \| good	35.148 \| good	41.909 \| good	3.266 \| good	17.914 \| good	0.274 \| good
2026-03-11T05:00:00.000Z	49 \| good	9.421 \| good	42.062 \| good	40.561 \| good	3.036 \| good	17.054 \| good	0.267 \| good
2026-03-11T06:00:00.000Z	81 \| moderate	24.964 \| fine	25.592 \| good	22.475 \| good	2.811 \| good	16.185 \| good	0.259 \| good
2026-03-11T07:00:00.000Z	49 \| good	8.99 \| good	39.437 \| good	31.837 \| good	2.613 \| good	15.4 \| good	0.251 \| good
2026-03-11T08:00:00.000Z	49 \| good	9.076 \| good	41.039 \| good	30.541 \| good	2.42 \| good	14.606 \| good	0.243 \| good
2026-03-11T09:00:00.000Z	49 \| good	8.916 \| good	39.487 \| good	34.145 \| good	2.227 \| good	13.813 \| good	0.236 \| good
2026-03-11T10:00:00.000Z	49 \| good	8.927 \| good	38.868 \| good	31.621 \| good	2.024 \| good	13.003 \| good	0.237 \| good
2026-03-11T11:00:00.000Z	49 \| good	9.346 \| good	41.637 \| good	30.154 \| good	1.82 \| good	12.194 \| good	0.239 \| good
2026-03-11T12:00:00.000Z	81 \| moderate	25.335 \| fine	26.267 \| good	22.677 \| good	1.621 \| good	11.376 \| good	0.241 \| good

Cromwell

Empower business decisions with accurate air quality data

Cromwell, Connecticut air quality map: Real-time AQI near you

0.73ppm

How accurate is Connecticut, USA air quality data?

Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

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 frequently is the air quality data for Cromwell, Connecticut updated?

Air quality data for Cromwell, Connecticut is updated on an hourly basis.

When did Cromwell, Connecticut experience the worst air quality in the last 24 hours?

The worst air quality in Cromwell, Connecticut was recorded at 06:00:00 on 2026-03-09.

When did Cromwell, Connecticut have its best air quality in the last 24 hours?

The best air quality in Cromwell, Connecticut was recorded at 11:00:00 on 2026-03-08.

What is the real-time air quality index for Cromwell, Connecticut?

The real-time air quality index in Cromwell, Connecticut is 52, currently categorized as Moderate.

Which pollutant is found most often in Cromwell, Connecticut?

The most common pollutant in Cromwell, Connecticut is PM2.5.

What can I do if the air quality in Cromwell, Connecticut is poor?

If the air quality in Cromwell, Connecticut is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Cromwell, Connecticut?

The measured PM_2.5 levels in Cromwell, Connecticut at present are 10.131 μg/m³.

What are the current PM₁₀ levels at Cromwell, Connecticut?

The current PM₁₀ levels in Cromwell, Connecticut are 30.377 μg/m³.

What are the current carbon monoxide (CO) levels at Cromwell, Connecticut?

The current carbon monoxide (CO) level in Cromwell, Connecticut is 1.007 ppm.

What are the current sulfur dioxide (SO₂) levels at Cromwell, Connecticut?

The current sulfur dioxide (SO₂) levels in Cromwell, Connecticut are 0.804 ppb.

What are the current ozone (O₃) levels at Cromwell, Connecticut?

The current ozone (O₃) levels at Cromwell, Connecticut is 11.62 ppm.

What are the current nitrogen dioxide (NO₂) levels at Cromwell, Connecticut?

The current nitrogen dioxide (NO₂) levels at Cromwell, Connecticut is 17.473 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions