What are the current PM10 levels at New London, Connecticut?

The current PM10 levels in New London, Connecticut are 9.987 μg/m3.

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

The current sulfur dioxide (SO2) levels in New London, Connecticut are 0.219 ppb.

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

The current ozone (O3) levels at New London, Connecticut is 33.997 ppm.

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

The current nitrogen dioxide (NO2) levels at New London, Connecticut is 3.379 ppb.

Real-time air quality index in New London, Connecticut today

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

The measured PM2.5 levels in New London, Connecticut at present are 4.387 μg/m3.

Stay updated with real-time air quality in New London, 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

New London, Connecticut

Last updated: ... (Local time)

Common air pollutants in New London, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.39 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.99 μg/m³

155

255

425

605+

Ozone (O₃)

34.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.22 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 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

New London, Connecticut

Scroll To Air Quality Map

Track live New London, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-15T10:00:00.000Z	34 \| good	2.8 \| good	4.038 \| good	36.991 \| good	0.158 \| good	4.83 \| good	0.182 \| good
2026-03-15T11:00:00.000Z	34 \| good	2.804 \| good	4.056 \| good	36.999 \| good	0.162 \| good	6.635 \| good	0.186 \| good
2026-03-15T12:00:00.000Z	34 \| good	2.902 \| good	4.052 \| good	36.997 \| good	0.158 \| good	8.855 \| good	0.243 \| good
2026-03-15T13:00:00.000Z	37 \| good	2.904 \| good	4.064 \| good	39.976 \| good	0.162 \| good	7.396 \| good	0.233 \| good
2026-03-15T14:00:00.000Z	38 \| good	2.902 \| good	4.054 \| good	40.986 \| good	0.157 \| good	5.253 \| good	0.158 \| good
2026-03-15T15:00:00.000Z	37 \| good	2.799 \| good	4.033 \| good	39.99 \| good	0.177 \| good	3.384 \| good	0.18 \| good
2026-03-15T16:00:00.000Z	40 \| good	2.797 \| good	4.023 \| good	42.97 \| good	0.137 \| good	2.877 \| good	0.18 \| good
2026-03-15T17:00:00.000Z	36 \| good	2.498 \| good	4.031 \| good	39.002 \| good	0.218 \| good	2.9 \| good	0.18 \| good
2026-03-15T18:00:00.000Z	37 \| good	2.299 \| good	4.03 \| good	40.002 \| good	0.158 \| good	3.837 \| good	0.202 \| good
2026-03-15T19:00:00.000Z	38 \| good	2.496 \| good	5.024 \| good	41 \| good	0.176 \| good	4.006 \| good	0.202 \| good
2026-03-15T20:00:00.000Z	40 \| good	2.7 \| good	6.038 \| good	42.998 \| good	0.198 \| good	3.315 \| good	0.18 \| good
2026-03-15T21:00:00.000Z	39 \| good	3.294 \| good	6.019 \| good	42.003 \| good	0.175 \| good	3.495 \| good	0.202 \| good
2026-03-15T22:00:00.000Z	41 \| good	3.497 \| good	7.033 \| good	43.992 \| good	0.18 \| good	3.85 \| good	0.18 \| good
2026-03-15T23:00:00.000Z	39 \| good	3.697 \| good	7.041 \| good	42.001 \| good	0.158 \| good	4.128 \| good	0.202 \| good
2026-03-16T00:00:00.000Z	42 \| good	4.097 \| good	8.038 \| good	44.978 \| good	0.163 \| good	4.248 \| good	0.222 \| good
2026-03-16T01:00:00.000Z	39 \| good	4.096 \| good	8.045 \| good	41.999 \| good	0.163 \| good	4.432 \| good	0.211 \| good
2026-03-16T02:00:00.000Z	39 \| good	5.092 \| good	11.024 \| good	41.999 \| good	0.121 \| good	4.208 \| good	0.2 \| good
2026-03-16T03:00:00.000Z	39 \| good	5.591 \| good	13.013 \| good	41.992 \| good	0.121 \| good	3.639 \| good	0.18 \| good
2026-03-16T04:00:00.000Z	39 \| good	5.89 \| good	14.985 \| good	41.994 \| good	0.121 \| good	4.115 \| good	0.2 \| good
2026-03-16T05:00:00.000Z	38 \| good	6.385 \| good	15.976 \| good	40.997 \| good	0.399 \| good	3.172 \| good	0.179 \| good
2026-03-16T06:00:00.000Z	40 \| good	6.986 \| good	18.011 \| good	42.981 \| good	0.382 \| good	3.7 \| good	0.156 \| good
2026-03-16T07:00:00.000Z	40 \| good	6.987 \| good	18.017 \| good	42.988 \| good	0.212 \| good	3.708 \| good	0.139 \| good
2026-03-16T08:00:00.000Z	44 \| good	8.284 \| good	21.987 \| good	41.996 \| good	0.141 \| good	4.438 \| good	0.156 \| good
2026-03-16T09:00:00.000Z	49 \| good	8.575 \| good	21.974 \| good	42.991 \| good	0.159 \| good	7.415 \| good	0.2 \| good
2026-03-16T10:00:00.000Z	44 \| good	8.371 \| good	20.005 \| good	42.993 \| good	0.179 \| good	7.164 \| good	0.217 \| good
2026-03-16T11:00:00.000Z	42 \| good	6.381 \| good	14.01 \| good	44.977 \| good	0.159 \| good	7.756 \| good	0.239 \| good
2026-03-16T12:00:00.000Z	41 \| good	6.181 \| good	12.984 \| good	43.992 \| good	0.199 \| good	9.857 \| good	0.251 \| good
2026-03-16T13:00:00.000Z	42 \| good	6.183 \| good	13.031 \| good	44.987 \| good	0.199 \| good	4.605 \| good	0.262 \| good
2026-03-16T14:00:00.000Z	44 \| good	2.299 \| good	4.04 \| good	46.968 \| good	0.236 \| good	4.343 \| good	0.285 \| good
2026-03-16T15:00:00.000Z	43 \| good	1.307 \| good	2.04 \| good	45.962 \| good	0.293 \| good	3.01 \| good	0.307 \| good
2026-03-16T16:00:00.000Z	41 \| good	1.215 \| good	2.039 \| good	43.962 \| good	0.274 \| good	7.769 \| good	0.253 \| good
2026-03-16T17:00:00.000Z	36 \| good	0.222 \| good	1.041 \| good	38.971 \| good	0.313 \| good	7.114 \| good	0.241 \| good
2026-03-16T18:00:00.000Z	32 \| good	0.223 \| good	1.073 \| good	34.976 \| good	0.313 \| good	8.469 \| good	0.18 \| good
2026-03-16T19:00:00.000Z	27 \| good	2.312 \| good	4.058 \| good	29.01 \| good	0.314 \| good	5.135 \| good	0.201 \| good
2026-03-16T20:00:00.000Z	26 \| good	3.301 \| good	6.036 \| good	28.012 \| good	0.275 \| good	3.359 \| good	0.201 \| good
2026-03-16T21:00:00.000Z	25 \| good	2.613 \| good	4.068 \| good	27.009 \| good	0.256 \| good	3.753 \| good	0.18 \| good
2026-03-16T22:00:00.000Z	24 \| good	2.312 \| good	3.093 \| good	26.004 \| good	0.275 \| good	2.866 \| good	0.158 \| good
2026-03-16T23:00:00.000Z	23 \| good	1.612 \| good	2.06 \| good	25.021 \| good	0.264 \| good	2.842 \| good	0.12 \| good
2026-03-17T00:00:00.000Z	25 \| good	0.22 \| good	1.048 \| good	27.011 \| good	0.255 \| good	2.922 \| good	0.12 \| good
2026-03-17T01:00:00.000Z	26 \| good	0.217 \| good	1.051 \| good	28.003 \| good	0.274 \| good	3.399 \| good	0.119 \| good
2026-03-17T02:00:00.000Z	27 \| good	1.802 \| good	3.017 \| good	29.01 \| good	0.255 \| good	3.437 \| good	0.119 \| good
2026-03-17T03:00:00.000Z	31 \| good	4.424 \| good	19.141 \| good	33.694 \| good	0.048 \| good	0.465 \| good	0.098 \| good
2026-03-17T04:00:00.000Z	26 \| good	0.21 \| good	1.027 \| good	28.025 \| good	0.274 \| good	2.226 \| good	0.122 \| good
2026-03-17T05:00:00.000Z	26 \| good	2.995 \| good	6.007 \| good	28.04 \| good	0.294 \| good	2.068 \| good	0.122 \| good
2026-03-17T06:00:00.000Z	29 \| good	2.992 \| good	5.998 \| good	31.027 \| good	0.294 \| good	1.943 \| good	0.153 \| good
2026-03-17T07:00:00.000Z	44 \| good	7.571 \| good	16.951 \| good	33.021 \| good	0.293 \| good	1.67 \| good	0.153 \| good
2026-03-17T08:00:00.000Z	38 \| good	6.87 \| good	15.953 \| good	35.984 \| good	0.285 \| good	5.244 \| good	0.139 \| good
2026-03-17T09:00:00.000Z	31 \| good	4.387 \| good	9.987 \| good	33.997 \| good	0.219 \| good	3.379 \| good	0.161 \| good
2026-03-17T09:00:00.000Z	31 \| good	4.387 \| good	9.987 \| good	33.997 \| good	0.219 \| good	3.379 \| good	0.161 \| good
2026-03-17T10:00:00.000Z	31 \| good	2.725 \| good	11.154 \| good	32.756 \| good	0.633 \| good	2.036 \| good	0.143 \| good
2026-03-17T11:00:00.000Z	30 \| good	1.67 \| good	7.062 \| good	32.471 \| good	0.595 \| good	2.033 \| good	0.15 \| good
2026-03-17T12:00:00.000Z	31 \| good	2.802 \| good	11.744 \| good	33.285 \| good	0.558 \| good	2.029 \| good	0.157 \| good
2026-03-17T13:00:00.000Z	31 \| good	2.217 \| good	9.043 \| good	34.242 \| good	0.506 \| good	1.89 \| good	0.159 \| good
2026-03-17T14:00:00.000Z	33 \| good	0.966 \| good	4.043 \| good	36.494 \| good	0.454 \| good	1.75 \| good	0.162 \| good
2026-03-17T15:00:00.000Z	31 \| good	1.197 \| good	5 \| good	34.498 \| good	0.402 \| good	1.611 \| good	0.164 \| good
2026-03-17T16:00:00.000Z	32 \| good	1.245 \| good	5.043 \| good	35.141 \| good	0.391 \| good	1.503 \| good	0.162 \| good
2026-03-17T17:00:00.000Z	32 \| good	1.004 \| good	4.043 \| good	34.974 \| good	0.379 \| good	1.395 \| good	0.16 \| good
2026-03-17T18:00:00.000Z	34 \| good	1.231 \| good	5.016 \| good	36.668 \| good	0.367 \| good	1.287 \| good	0.158 \| good
2026-03-17T19:00:00.000Z	34 \| good	0.725 \| good	2.818 \| good	37.326 \| good	0.353 \| good	1.305 \| good	0.157 \| good
2026-03-17T20:00:00.000Z	34 \| good	1.233 \| good	4.988 \| good	36.604 \| good	0.339 \| good	1.324 \| good	0.156 \| good
2026-03-17T21:00:00.000Z	32 \| good	0.735 \| good	2.842 \| good	34.534 \| good	0.325 \| good	1.342 \| good	0.155 \| good
2026-03-17T22:00:00.000Z	33 \| good	1.415 \| good	5.775 \| good	36.476 \| good	0.298 \| good	1.449 \| good	0.156 \| good
2026-03-17T23:00:00.000Z	30 \| good	1.428 \| good	5.823 \| good	31.765 \| good	0.27 \| good	1.556 \| good	0.157 \| good
2026-03-18T00:00:00.000Z	25 \| good	1.565 \| good	6.197 \| good	27.043 \| good	0.243 \| good	1.662 \| good	0.158 \| good
2026-03-18T01:00:00.000Z	25 \| good	2.08 \| good	8.197 \| good	27.152 \| good	0.24 \| good	1.563 \| good	0.158 \| good
2026-03-18T02:00:00.000Z	26 \| good	2.489 \| good	10 \| good	27.59 \| good	0.236 \| good	1.464 \| good	0.158 \| good
2026-03-18T03:00:00.000Z	24 \| good	2.465 \| good	10 \| good	26.312 \| good	0.232 \| good	1.365 \| good	0.157 \| good
2026-03-18T04:00:00.000Z	24 \| good	2.594 \| good	10.726 \| good	26.084 \| good	0.251 \| good	1.314 \| good	0.157 \| good
2026-03-18T05:00:00.000Z	27 \| good	1.312 \| good	5.027 \| good	28.598 \| good	0.27 \| good	1.263 \| good	0.157 \| good
2026-03-18T06:00:00.000Z	30 \| good	1.015 \| good	4 \| good	32.096 \| good	0.288 \| good	1.211 \| good	0.157 \| good
2026-03-18T07:00:00.000Z	28 \| good	1.514 \| good	6 \| good	29.747 \| good	0.318 \| good	1.181 \| good	0.16 \| good
2026-03-18T08:00:00.000Z	23 \| good	2.11 \| good	8.823 \| good	25.171 \| good	0.348 \| good	1.15 \| good	0.163 \| good
2026-03-18T09:00:00.000Z	31 \| good	2.692 \| good	11 \| good	32.533 \| good	0.378 \| good	1.119 \| good	0.165 \| good
2026-03-18T10:00:00.000Z	26 \| good	1.656 \| good	6.999 \| good	28.264 \| good	0.401 \| good	1.252 \| good	0.171 \| good
2026-03-18T11:00:00.000Z	30 \| good	2.761 \| good	11.197 \| good	31.959 \| good	0.425 \| good	1.384 \| good	0.176 \| good
2026-03-18T12:00:00.000Z	31 \| good	4.533 \| good	19.796 \| good	32.755 \| good	0.448 \| good	1.517 \| good	0.182 \| good
2026-03-18T13:00:00.000Z	31 \| good	3.205 \| good	13.843 \| good	33.504 \| good	0.451 \| good	1.434 \| good	0.184 \| good
2026-03-18T14:00:00.000Z	33 \| good	1.018 \| good	4.027 \| good	36.139 \| good	0.454 \| good	1.352 \| good	0.187 \| good
2026-03-18T15:00:00.000Z	33 \| good	0.303 \| good	0.998 \| good	36.216 \| good	0.458 \| good	1.27 \| good	0.189 \| good
2026-03-18T16:00:00.000Z	34 \| good	0.36 \| good	1.584 \| good	37.047 \| good	0.464 \| good	1.278 \| good	0.189 \| good
2026-03-18T17:00:00.000Z	37 \| good	0.403 \| good	1.612 \| good	40.275 \| good	0.47 \| good	1.286 \| good	0.189 \| good
2026-03-18T18:00:00.000Z	38 \| good	0.551 \| good	2 \| good	40.957 \| good	0.476 \| good	1.294 \| good	0.189 \| good
2026-03-18T19:00:00.000Z	36 \| good	1.673 \| good	6.894 \| good	39.078 \| good	0.466 \| good	1.47 \| good	0.189 \| good
2026-03-18T20:00:00.000Z	36 \| good	2.011 \| good	8 \| good	38.914 \| good	0.457 \| good	1.646 \| good	0.188 \| good
2026-03-18T21:00:00.000Z	34 \| good	2.64 \| good	10.804 \| good	37.312 \| good	0.447 \| good	1.823 \| good	0.188 \| good
2026-03-18T22:00:00.000Z	33 \| good	4.059 \| good	17.785 \| good	36.296 \| good	0.429 \| good	2.004 \| good	0.186 \| good
2026-03-18T23:00:00.000Z	30 \| good	3.212 \| good	13.989 \| good	31.824 \| good	0.41 \| good	2.185 \| good	0.185 \| good
2026-03-19T00:00:00.000Z	27 \| good	2.667 \| good	10.939 \| good	29.032 \| good	0.391 \| good	2.366 \| good	0.183 \| good
2026-03-19T01:00:00.000Z	29 \| good	3.112 \| good	13.57 \| good	31.223 \| good	0.418 \| good	2.404 \| good	0.18 \| good
2026-03-19T02:00:00.000Z	31 \| good	3.332 \| good	14.699 \| good	33.028 \| good	0.446 \| good	2.442 \| good	0.177 \| good
2026-03-19T03:00:00.000Z	31 \| good	3.494 \| good	15.538 \| good	33.889 \| good	0.473 \| good	2.48 \| good	0.174 \| good
2026-03-19T04:00:00.000Z	31 \| good	4.808 \| good	20.833 \| good	33.091 \| good	0.482 \| good	2.353 \| good	0.172 \| good
2026-03-19T05:00:00.000Z	29 \| good	5.39 \| good	22.986 \| good	31.203 \| good	0.491 \| good	2.225 \| good	0.17 \| good
2026-03-19T06:00:00.000Z	42 \| good	4.943 \| good	6.735 \| good	44.949 \| good	0.504 \| good	2.079 \| good	0.168 \| good
2026-03-19T07:00:00.000Z	27 \| good	5.175 \| good	22.577 \| good	26.991 \| good	0.504 \| good	1.951 \| good	0.166 \| good
2026-03-19T08:00:00.000Z	27 \| good	4.981 \| good	21.683 \| good	26.212 \| good	0.506 \| good	1.804 \| good	0.165 \| good
2026-03-19T09:00:00.000Z	33 \| good	6.021 \| good	26.563 \| good	29.386 \| good	0.509 \| good	1.657 \| good	0.164 \| good

New London

Empower business decisions with accurate air quality data

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

0.14ppm

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 New London, Connecticut updated?

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

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

The worst air quality in New London, Connecticut was recorded at 09:00:00 on 2026-03-16.

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

The best air quality in New London, Connecticut was recorded at 11:00:00 on 2026-03-16.

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

The real-time air quality index in New London, Connecticut is 31, currently categorized as Good.

Which pollutant is found most often in New London, Connecticut?

The most common pollutant in New London, Connecticut is O3.

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

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

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

The measured PM_2.5 levels in New London, Connecticut at present are 4.387 μg/m³.

What are the current PM₁₀ levels at New London, Connecticut?

The current PM₁₀ levels in New London, Connecticut are 9.987 μg/m³.

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

The current carbon monoxide (CO) level in New London, Connecticut is 0.161 ppm.

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

The current sulfur dioxide (SO₂) levels in New London, Connecticut are 0.219 ppb.

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

The current ozone (O₃) levels at New London, Connecticut is 33.997 ppm.

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

The current nitrogen dioxide (NO₂) levels at New London, Connecticut is 3.379 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions