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

The current PM10 levels in New London, Connecticut are 10.033 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 0.323 ppb.

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

The current ozone (O3) levels at New London, Connecticut is 48.004 ppm.

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

The current nitrogen dioxide (NO2) levels at New London, Connecticut is 2.808 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 4.794 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)

4.79 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.03 μg/m³

155

255

425

605+

Ozone (O₃)

48.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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

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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
2026-03-28T00:00:00.000Z	38 \| good	2.588 \| good	4.322 \| good	40.793 \| good	0.176 \| good	6.884 \| good	0.279 \| good
2026-03-28T01:00:00.000Z	37 \| good	2.886 \| good	5.349 \| good	39.936 \| good	0.215 \| good	8.687 \| good	0.241 \| good
2026-03-28T02:00:00.000Z	36 \| good	3.577 \| good	7.4 \| good	38.972 \| good	0.198 \| good	8.416 \| good	0.22 \| good
2026-03-28T03:00:00.000Z	35 \| good	4.361 \| good	9.459 \| good	37.682 \| good	0.196 \| good	8.39 \| good	0.299 \| good
2026-03-28T04:00:00.000Z	35 \| good	5.669 \| good	11.291 \| good	37.591 \| good	0.196 \| good	10.155 \| good	0.237 \| good
2026-03-28T05:00:00.000Z	33 \| good	5.851 \| good	11.964 \| good	34.736 \| good	0.17 \| good	10.923 \| good	0.236 \| good
2026-03-28T06:00:00.000Z	33 \| good	5.906 \| good	12.203 \| good	32.889 \| good	0.256 \| good	10.946 \| good	0.228 \| good
2026-03-28T07:00:00.000Z	32 \| good	5.153 \| good	10.536 \| good	34.756 \| good	0.163 \| good	8.498 \| good	0.187 \| good
2026-03-28T08:00:00.000Z	29 \| good	4.921 \| good	9.328 \| good	31.269 \| good	0.177 \| good	6.082 \| good	0.199 \| good
2026-03-28T09:00:00.000Z	29 \| good	4.73 \| good	9.382 \| good	31.324 \| good	0.178 \| good	5.251 \| good	0.18 \| good
2026-03-28T10:00:00.000Z	31 \| good	4.448 \| good	8.385 \| good	34.256 \| good	0.193 \| good	6.686 \| good	0.177 \| good
2026-03-28T11:00:00.000Z	34 \| good	4.283 \| good	8.514 \| good	37.038 \| good	0.176 \| good	4.722 \| good	0.178 \| good
2026-03-28T12:00:00.000Z	35 \| good	4.081 \| good	8.38 \| good	37.938 \| good	0.176 \| good	4.146 \| good	0.217 \| good
2026-03-28T13:00:00.000Z	36 \| good	4.047 \| good	8.295 \| good	38.804 \| good	0.198 \| good	2.828 \| good	0.228 \| good
2026-03-28T14:00:00.000Z	35 \| good	3.985 \| good	8.613 \| good	37.983 \| good	0.21 \| good	2.745 \| good	0.198 \| good
2026-03-28T15:00:00.000Z	35 \| good	3.967 \| good	8.35 \| good	38.001 \| good	0.126 \| good	2.888 \| good	0.198 \| good
2026-03-28T16:00:00.000Z	36 \| good	4.035 \| good	8.39 \| good	38.999 \| good	0.213 \| good	2.519 \| good	0.178 \| good
2026-03-28T17:00:00.000Z	40 \| good	3.933 \| good	8.069 \| good	42.802 \| good	0.198 \| good	2.466 \| good	0.178 \| good
2026-03-28T18:00:00.000Z	40 \| good	3.931 \| good	7.993 \| good	42.82 \| good	0.201 \| good	2.192 \| good	0.2 \| good
2026-03-28T19:00:00.000Z	39 \| good	3.928 \| good	8.068 \| good	41.983 \| good	0.221 \| good	2.351 \| good	0.2 \| good
2026-03-28T20:00:00.000Z	40 \| good	3.917 \| good	8.03 \| good	42.947 \| good	0.182 \| good	3.034 \| good	0.2 \| good
2026-03-28T21:00:00.000Z	40 \| good	3.807 \| good	7.208 \| good	42.947 \| good	0.194 \| good	3.008 \| good	0.241 \| good
2026-03-28T22:00:00.000Z	39 \| good	3.645 \| good	7.511 \| good	41.962 \| good	0.16 \| good	1.847 \| good	0.198 \| good
2026-03-28T23:00:00.000Z	40 \| good	3.373 \| good	6.526 \| good	42.846 \| good	0.162 \| good	1.935 \| good	0.222 \| good
2026-03-29T00:00:00.000Z	40 \| good	3.222 \| good	6.818 \| good	42.855 \| good	0.275 \| good	2.383 \| good	0.222 \| good
2026-03-29T01:00:00.000Z	41 \| good	3.228 \| good	6.726 \| good	43.658 \| good	0.271 \| good	3.716 \| good	0.284 \| good
2026-03-29T02:00:00.000Z	38 \| good	3.244 \| good	6.77 \| good	40.784 \| good	0.274 \| good	3.655 \| good	0.263 \| good
2026-03-29T03:00:00.000Z	28 \| good	2.965 \| good	12.104 \| good	29.847 \| good	0.539 \| good	3.653 \| good	0.209 \| good
2026-03-29T04:00:00.000Z	35 \| good	3.53 \| good	7.528 \| good	37.893 \| good	0.197 \| good	6.651 \| good	0.24 \| good
2026-03-29T05:00:00.000Z	35 \| good	3.715 \| good	7.418 \| good	38.3 \| good	0.274 \| good	4.306 \| good	0.22 \| good
2026-03-29T06:00:00.000Z	35 \| good	3.723 \| good	7.541 \| good	38.3 \| good	0.274 \| good	4.272 \| good	0.22 \| good
2026-03-29T07:00:00.000Z	34 \| good	3.818 \| good	7.378 \| good	36.65 \| good	0.389 \| good	6.916 \| good	0.234 \| good
2026-03-29T08:00:00.000Z	32 \| good	3.982 \| good	7.445 \| good	34.687 \| good	0.289 \| good	11.58 \| good	0.285 \| good
2026-03-29T09:00:00.000Z	28 \| good	4.426 \| good	7.097 \| good	29.891 \| good	0.379 \| good	12.277 \| good	0.305 \| good
2026-03-29T10:00:00.000Z	24 \| good	4.482 \| good	7.178 \| good	25.979 \| good	0.311 \| good	10.402 \| good	0.301 \| good
2026-03-29T11:00:00.000Z	27 \| good	4.683 \| good	7.296 \| good	28.005 \| good	0.357 \| good	10.722 \| good	0.363 \| good
2026-03-29T12:00:00.000Z	27 \| good	4.714 \| good	8.492 \| good	21.543 \| good	0.264 \| good	11.22 \| good	0.387 \| good
2026-03-29T13:00:00.000Z	27 \| good	4.785 \| good	9.033 \| good	21.623 \| good	0.259 \| good	10.18 \| good	0.259 \| good
2026-03-29T14:00:00.000Z	23 \| good	4.426 \| good	8.942 \| good	24.788 \| good	0.316 \| good	4.63 \| good	0.244 \| good
2026-03-29T15:00:00.000Z	29 \| good	4.206 \| good	7.796 \| good	31.428 \| good	0.297 \| good	4.393 \| good	0.223 \| good
2026-03-29T16:00:00.000Z	31 \| good	4.013 \| good	7.555 \| good	34.377 \| good	0.169 \| good	2.66 \| good	0.21 \| good
2026-03-29T17:00:00.000Z	39 \| good	3.991 \| good	7.765 \| good	42.019 \| good	0.246 \| good	2.283 \| good	0.247 \| good
2026-03-29T18:00:00.000Z	39 \| good	4.177 \| good	7.29 \| good	42.073 \| good	0.162 \| good	3.093 \| good	0.223 \| good
2026-03-29T19:00:00.000Z	42 \| good	4.709 \| good	9.082 \| good	44.803 \| good	0.161 \| good	2.987 \| good	0.223 \| good
2026-03-29T20:00:00.000Z	41 \| good	4.622 \| good	9.172 \| good	44.026 \| good	0.202 \| good	2.295 \| good	0.223 \| good
2026-03-29T21:00:00.000Z	43 \| good	4.646 \| good	9.387 \| good	46.098 \| good	0.292 \| good	3.128 \| good	0.223 \| good
2026-03-29T22:00:00.000Z	44 \| good	4.744 \| good	10.395 \| good	48.045 \| good	0.321 \| good	2.907 \| good	0.201 \| good
2026-03-29T23:00:00.000Z	45 \| good	4.788 \| good	11.085 \| good	48.946 \| good	0.341 \| good	7.394 \| good	0.222 \| good
2026-03-29T23:00:00.000Z	44 \| good	4.794 \| good	10.033 \| good	48.004 \| good	0.323 \| good	2.808 \| good	0.201 \| good
2026-03-30T00:00:00.000Z	37 \| good	6.182 \| good	27.546 \| good	39.846 \| good	0.887 \| good	2.957 \| good	0.176 \| good
2026-03-30T01:00:00.000Z	41 \| good	5.314 \| good	23.009 \| good	44.074 \| good	0.786 \| good	2.585 \| good	0.171 \| good
2026-03-30T02:00:00.000Z	39 \| good	4.788 \| good	20.891 \| good	41.972 \| good	0.685 \| good	2.213 \| good	0.167 \| good
2026-03-30T03:00:00.000Z	38 \| good	5.442 \| good	23.269 \| good	41.054 \| good	0.583 \| good	1.841 \| good	0.162 \| good
2026-03-30T04:00:00.000Z	38 \| good	6.658 \| good	29.751 \| good	40.244 \| good	0.512 \| good	1.639 \| good	0.156 \| good
2026-03-30T05:00:00.000Z	38 \| good	7.016 \| good	31.123 \| good	40.954 \| good	0.441 \| good	1.437 \| good	0.15 \| good
2026-03-30T06:00:00.000Z	44 \| good	7.922 \| good	34.814 \| good	42.877 \| good	0.37 \| good	1.235 \| good	0.143 \| good
2026-03-30T07:00:00.000Z	39 \| good	6.115 \| good	26.967 \| good	41.735 \| good	0.36 \| good	1.114 \| good	0.145 \| good
2026-03-30T08:00:00.000Z	40 \| good	5.293 \| good	22.831 \| good	43.074 \| good	0.35 \| good	0.993 \| good	0.147 \| good
2026-03-30T09:00:00.000Z	38 \| good	5.073 \| good	22.086 \| good	40.991 \| good	0.34 \| good	0.871 \| good	0.149 \| good
2026-03-30T10:00:00.000Z	35 \| good	4.576 \| good	20.038 \| good	38.356 \| good	0.403 \| good	1.355 \| good	0.157 \| good
2026-03-30T11:00:00.000Z	36 \| good	2.309 \| good	9.323 \| good	39.134 \| good	0.466 \| good	1.839 \| good	0.166 \| good
2026-03-30T12:00:00.000Z	35 \| good	2.359 \| good	9.775 \| good	37.865 \| good	0.53 \| good	2.323 \| good	0.174 \| good
2026-03-30T13:00:00.000Z	32 \| good	3.213 \| good	14.076 \| good	34.8 \| good	0.679 \| good	2.996 \| good	0.188 \| good
2026-03-30T14:00:00.000Z	32 \| good	3.529 \| good	15.662 \| good	34.72 \| good	0.828 \| good	3.67 \| good	0.203 \| good
2026-03-30T15:00:00.000Z	34 \| good	4.211 \| good	18.704 \| good	36.994 \| good	0.978 \| good	4.343 \| good	0.217 \| good
2026-03-30T16:00:00.000Z	38 \| good	7.243 \| good	31.972 \| good	35.523 \| good	1.044 \| good	4.29 \| good	0.205 \| good
2026-03-30T17:00:00.000Z	38 \| good	7.425 \| good	32.917 \| good	32.661 \| good	1.11 \| good	4.236 \| good	0.193 \| good
2026-03-30T18:00:00.000Z	44 \| good	8.462 \| good	37.084 \| good	36.366 \| good	1.176 \| good	4.183 \| good	0.181 \| good
2026-03-30T19:00:00.000Z	49 \| good	9.012 \| good	40.105 \| good	39.182 \| good	1.123 \| good	4.24 \| good	0.175 \| good
2026-03-30T20:00:00.000Z	52 \| moderate	10.261 \| good	45.371 \| good	35.105 \| good	1.07 \| good	4.297 \| good	0.169 \| good
2026-03-30T21:00:00.000Z	56 \| moderate	11.522 \| good	50.785 \| good	32.07 \| good	1.017 \| good	4.354 \| good	0.163 \| good
2026-03-30T22:00:00.000Z	54 \| moderate	11.186 \| good	49.67 \| good	28.79 \| good	1.008 \| good	4.778 \| good	0.164 \| good
2026-03-30T23:00:00.000Z	54 \| moderate	11.056 \| good	49.03 \| good	28.247 \| good	0.999 \| good	5.203 \| good	0.165 \| good
2026-03-31T00:00:00.000Z	54 \| moderate	10.529 \| good	46.462 \| good	24.712 \| good	0.989 \| good	5.627 \| good	0.166 \| good
2026-03-31T01:00:00.000Z	54 \| moderate	10.561 \| good	46.858 \| good	27.068 \| good	1.075 \| good	5.735 \| good	0.168 \| good
2026-03-31T02:00:00.000Z	54 \| moderate	11.423 \| good	50.6 \| good	39.761 \| good	1.16 \| good	5.842 \| good	0.171 \| good
2026-03-31T03:00:00.000Z	54 \| moderate	10.776 \| good	47.762 \| good	40.482 \| good	1.246 \| good	5.949 \| good	0.173 \| good
2026-03-31T04:00:00.000Z	49 \| good	9.175 \| good	40.979 \| good	38.873 \| good	1.158 \| good	5.378 \| good	0.172 \| good
2026-03-31T05:00:00.000Z	52 \| moderate	9.851 \| good	43.58 \| good	36.661 \| good	1.07 \| good	4.807 \| good	0.171 \| good
2026-03-31T06:00:00.000Z	52 \| moderate	9.807 \| good	11.835 \| good	45.539 \| good	0.948 \| good	4.14 \| good	0.169 \| good
2026-03-31T07:00:00.000Z	60 \| moderate	13.562 \| fine	60.941 \| fine	36.496 \| good	0.916 \| good	3.84 \| good	0.162 \| good
2026-03-31T08:00:00.000Z	60 \| moderate	13.98 \| fine	63.028 \| fine	34.723 \| good	0.85 \| good	3.444 \| good	0.155 \| good
2026-03-31T09:00:00.000Z	58 \| moderate	12.583 \| fine	57.139 \| fine	21.729 \| good	0.785 \| good	3.048 \| good	0.147 \| good
2026-03-31T10:00:00.000Z	52 \| moderate	9.611 \| good	42.641 \| good	28.106 \| good	0.765 \| good	3.552 \| good	0.148 \| good
2026-03-31T11:00:00.000Z	38 \| good	7.121 \| good	31.447 \| good	30.453 \| good	0.745 \| good	4.056 \| good	0.148 \| good
2026-03-31T12:00:00.000Z	38 \| good	7.389 \| good	9.002 \| good	40.859 \| good	0.704 \| good	4.485 \| good	0.148 \| good
2026-03-31T13:00:00.000Z	38 \| good	7.48 \| good	8.974 \| good	40.215 \| good	0.768 \| good	4.585 \| good	0.153 \| good
2026-03-31T14:00:00.000Z	38 \| good	7.311 \| good	8.66 \| good	39.571 \| good	0.832 \| good	4.685 \| good	0.158 \| good
2026-03-31T15:00:00.000Z	38 \| good	7.484 \| good	8.904 \| good	38.927 \| good	0.897 \| good	4.786 \| good	0.164 \| good
2026-03-31T16:00:00.000Z	44 \| good	8.435 \| good	10.052 \| good	40.853 \| good	0.902 \| good	4.568 \| good	0.164 \| good
2026-03-31T17:00:00.000Z	38 \| good	7.053 \| good	31.139 \| good	38.755 \| good	0.926 \| good	4.397 \| good	0.164 \| good
2026-03-31T18:00:00.000Z	49 \| good	9.233 \| good	11.299 \| good	44.704 \| good	0.912 \| good	4.132 \| good	0.164 \| good
2026-03-31T19:00:00.000Z	49 \| good	9.02 \| good	11.279 \| good	46.072 \| good	0.829 \| good	4.018 \| good	0.161 \| good
2026-03-31T20:00:00.000Z	49 \| good	8.977 \| good	11.341 \| good	47.44 \| good	0.746 \| good	3.904 \| good	0.159 \| good
2026-03-31T21:00:00.000Z	49 \| good	9.003 \| good	11.6 \| good	48.808 \| good	0.663 \| good	3.79 \| good	0.156 \| good
2026-03-31T22:00:00.000Z	49 \| good	8.874 \| good	11.64 \| good	49.121 \| good	0.601 \| good	3.761 \| good	0.154 \| good
2026-03-31T23:00:00.000Z	49 \| good	8.624 \| good	11.369 \| good	49.434 \| good	0.54 \| good	3.731 \| good	0.151 \| good

New London

Empower business decisions with accurate air quality data

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

0.21ppm

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

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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 10:00:00 on 2026-03-29.

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 02:00:00 on 2026-03-29.

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

The real-time air quality index in New London, Connecticut is 44, 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 4.794 μg/m³.

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

The current PM₁₀ levels in New London, Connecticut are 10.033 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 0.201 ppm.

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

The current sulfur dioxide (SO₂) levels in New London, Connecticut are 0.323 ppb.

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

The current ozone (O₃) levels at New London, Connecticut is 48.004 ppm.

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

The current nitrogen dioxide (NO₂) levels at New London, Connecticut is 2.808 ppb.

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