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

The current PM10 levels in New Haven, Connecticut are 7.085 μg/m3.

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

The current sulfur dioxide (SO2) levels in New Haven, Connecticut are 0.2 ppb.

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

The current ozone (O3) levels at New Haven, Connecticut is 24.087 ppm.

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

The current nitrogen dioxide (NO2) levels at New Haven, Connecticut is 8.589 ppb.

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

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

The measured PM2.5 levels in New Haven, Connecticut at present are 2.604 μg/m3.

Stay updated with real-time air quality in New Haven, 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 Haven, Connecticut

Last updated: ... (Local time)

Common air pollutants in New Haven, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.60 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.08 μg/m³

155

255

425

605+

Ozone (O₃)

24.09 ppb

201

201+

Sulfur Dioxide (SO₂)

0.20 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 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 Haven, Connecticut

Scroll To Air Quality Map

Track live New Haven, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-02-10T02:00:00.000Z	33 \| good	6.058 \| good	30.986 \| good	32.147 \| good	0.221 \| good	13.766 \| good	0.299 \| good
2026-02-10T03:00:00.000Z	38 \| good	6.712 \| good	34.203 \| good	25.279 \| good	0.29 \| good	21.398 \| good	0.299 \| good
2026-02-10T04:00:00.000Z	33 \| good	6.259 \| good	28.252 \| good	25.491 \| good	0.288 \| good	24.735 \| good	0.31 \| good
2026-02-10T05:00:00.000Z	33 \| good	5.911 \| good	23.416 \| good	22.661 \| good	0.209 \| good	17.998 \| good	0.321 \| good
2026-02-10T06:00:00.000Z	33 \| good	5.67 \| good	21.239 \| good	23.394 \| good	0.293 \| good	20.183 \| good	0.219 \| good
2026-02-10T07:00:00.000Z	33 \| good	5.678 \| good	18.966 \| good	21.878 \| good	0.263 \| good	15.243 \| good	0.32 \| good
2026-02-10T08:00:00.000Z	33 \| good	6.08 \| good	26.77 \| good	22.856 \| good	0.274 \| good	17.024 \| good	0.269 \| good
2026-02-10T09:00:00.000Z	27 \| good	5.311 \| good	16.659 \| good	15.336 \| good	0.297 \| good	26.081 \| good	0.217 \| good
2026-02-10T10:00:00.000Z	27 \| good	5.479 \| good	17.14 \| good	15.865 \| good	0.309 \| good	25.846 \| good	0.217 \| good
2026-02-10T11:00:00.000Z	33 \| good	5.824 \| good	19.942 \| good	14.161 \| good	0.295 \| good	25.694 \| good	0.222 \| good
2026-02-10T12:00:00.000Z	33 \| good	6.16 \| good	22.393 \| good	12.619 \| good	0.294 \| good	28.277 \| good	0.315 \| good
2026-02-10T13:00:00.000Z	44 \| good	8.483 \| good	40.852 \| good	11.72 \| good	0.305 \| good	33.062 \| good	0.395 \| good
2026-02-10T14:00:00.000Z	44 \| good	7.958 \| good	32.044 \| good	10.56 \| good	0.488 \| good	26.85 \| good	0.321 \| good
2026-02-10T15:00:00.000Z	44 \| good	7.874 \| good	30.45 \| good	14.617 \| good	0.412 \| good	19.588 \| good	0.301 \| good
2026-02-10T16:00:00.000Z	49 \| good	8.63 \| good	36.081 \| good	19.666 \| good	0.583 \| good	20.139 \| good	0.32 \| good
2026-02-10T17:00:00.000Z	52 \| moderate	9.965 \| good	50.419 \| good	20.361 \| good	0.575 \| good	20.461 \| good	0.257 \| good
2026-02-10T18:00:00.000Z	44 \| good	8.457 \| good	36.54 \| good	22.304 \| good	0.573 \| good	18.188 \| good	0.259 \| good
2026-02-10T19:00:00.000Z	44 \| good	8.021 \| good	31.236 \| good	24.229 \| good	0.797 \| good	23.743 \| good	0.242 \| good
2026-02-10T20:00:00.000Z	49 \| good	8.894 \| good	32.134 \| good	23.136 \| good	1.556 \| good	28.774 \| good	0.462 \| good
2026-02-10T21:00:00.000Z	49 \| good	8.71 \| good	32.812 \| good	18.223 \| good	1.303 \| good	23.95 \| good	0.462 \| good
2026-02-10T22:00:00.000Z	44 \| good	8.489 \| good	32.405 \| good	18.676 \| good	1.185 \| good	22.755 \| good	0.476 \| good
2026-02-10T23:00:00.000Z	44 \| good	8.208 \| good	28.73 \| good	21.169 \| good	0.746 \| good	19.644 \| good	0.382 \| good
2026-02-11T00:00:00.000Z	44 \| good	8.227 \| good	26.102 \| good	22.528 \| good	0.566 \| good	20.651 \| good	0.355 \| good
2026-02-11T01:00:00.000Z	49 \| good	8.644 \| good	24.679 \| good	19.898 \| good	0.751 \| good	24.153 \| good	0.305 \| good
2026-02-11T02:00:00.000Z	49 \| good	9.385 \| good	22.751 \| good	16.844 \| good	0.503 \| good	24.567 \| good	0.152 \| good
2026-02-11T03:00:00.000Z	52 \| moderate	10.246 \| good	21.173 \| good	17.859 \| good	0.422 \| good	27.877 \| good	0.221 \| good
2026-02-11T04:00:00.000Z	54 \| moderate	10.923 \| good	21.001 \| good	18.185 \| good	0.486 \| good	32.633 \| good	0.301 \| good
2026-02-11T05:00:00.000Z	56 \| moderate	11.777 \| good	21.04 \| good	14.884 \| good	0.649 \| good	29.836 \| good	0.29 \| good
2026-02-11T06:00:00.000Z	56 \| moderate	12.133 \| fine	21.39 \| good	10.904 \| good	0.319 \| good	20.793 \| good	0.219 \| good
2026-02-11T07:00:00.000Z	52 \| moderate	10.081 \| good	57.757 \| fine	14.311 \| good	0.361 \| good	22.922 \| good	0.314 \| good
2026-02-11T08:00:00.000Z	60 \| moderate	13.845 \| fine	22.084 \| good	8.083 \| good	0.367 \| good	36.59 \| good	0.307 \| good
2026-02-11T09:00:00.000Z	62 \| moderate	15.213 \| fine	22.071 \| good	7.2 \| good	0.206 \| good	33.725 \| good	0.377 \| good
2026-02-11T10:00:00.000Z	66 \| moderate	17.323 \| fine	23.008 \| good	7.771 \| good	0.165 \| good	28.366 \| good	0.321 \| good
2026-02-11T11:00:00.000Z	71 \| moderate	19.616 \| fine	24.816 \| good	9.602 \| good	0.255 \| good	29.419 \| good	0.403 \| good
2026-02-11T12:00:00.000Z	75 \| moderate	21.729 \| fine	27.929 \| good	8.298 \| good	0.344 \| good	32.26 \| good	0.519 \| good
2026-02-11T13:00:00.000Z	71 \| moderate	20.095 \| fine	63.901 \| fine	19.476 \| good	0.541 \| good	34.561 \| good	0.527 \| good
2026-02-11T14:00:00.000Z	81 \| moderate	25.292 \| fine	32.148 \| good	8.709 \| good	0.333 \| good	27.258 \| good	0.594 \| good
2026-02-11T15:00:00.000Z	84 \| moderate	27.136 \| fine	35.182 \| good	11.074 \| good	0.49 \| good	24.956 \| good	0.48 \| good
2026-02-11T16:00:00.000Z	86 \| moderate	28.025 \| fine	41.547 \| good	14.335 \| good	0.525 \| good	16.64 \| good	0.672 \| good
2026-02-11T17:00:00.000Z	84 \| moderate	27.229 \| fine	39.017 \| good	14.82 \| good	0.48 \| good	12.707 \| good	0.357 \| good
2026-02-11T18:00:00.000Z	81 \| moderate	24.894 \| fine	34.504 \| good	18.829 \| good	0.443 \| good	12.353 \| good	0.273 \| good
2026-02-11T19:00:00.000Z	73 \| moderate	20.542 \| fine	28.387 \| good	21.451 \| good	0.35 \| good	12.176 \| good	0.273 \| good
2026-02-11T20:00:00.000Z	58 \| moderate	13.056 \| fine	20.124 \| good	22.638 \| good	0.192 \| good	6.173 \| good	0.191 \| good
2026-02-11T21:00:00.000Z	49 \| good	8.681 \| good	15.353 \| good	26.001 \| good	0.192 \| good	6.271 \| good	0.186 \| good
2026-02-11T22:00:00.000Z	33 \| good	5.602 \| good	12.588 \| good	26.663 \| good	0.2 \| good	5.842 \| good	0.107 \| good
2026-02-11T23:00:00.000Z	26 \| good	3.824 \| good	9.85 \| good	27.619 \| good	0.118 \| good	6.52 \| good	0.187 \| good
2026-02-12T00:00:00.000Z	23 \| good	2.994 \| good	9.074 \| good	24.892 \| good	0.202 \| good	7.495 \| good	0.107 \| good
2026-02-12T01:00:00.000Z	23 \| good	2.687 \| good	8.248 \| good	24.994 \| good	0.196 \| good	7.401 \| good	0.106 \| good
2026-02-12T01:00:00.000Z	22 \| good	2.604 \| good	7.085 \| good	24.087 \| good	0.2 \| good	8.589 \| good	0.101 \| good
2026-02-12T02:00:00.000Z	49 \| good	9.082 \| good	40.661 \| good	23.061 \| good	0.463 \| good	4.54 \| good	0.173 \| good
2026-02-12T03:00:00.000Z	52 \| moderate	9.661 \| good	43.047 \| good	19.84 \| good	0.5 \| good	4.187 \| good	0.174 \| good
2026-02-12T04:00:00.000Z	52 \| moderate	10.108 \| good	45.016 \| good	20.898 \| good	0.51 \| good	3.419 \| good	0.173 \| good
2026-02-12T05:00:00.000Z	58 \| moderate	12.555 \| fine	56.281 \| fine	27.176 \| good	0.521 \| good	2.651 \| good	0.171 \| good
2026-02-12T06:00:00.000Z	60 \| moderate	13.791 \| fine	62.12 \| fine	33.208 \| good	0.531 \| good	1.883 \| good	0.17 \| good
2026-02-12T07:00:00.000Z	54 \| moderate	10.551 \| good	46.714 \| good	29.83 \| good	0.479 \| good	1.709 \| good	0.165 \| good
2026-02-12T08:00:00.000Z	54 \| moderate	11.208 \| good	49.663 \| good	27.514 \| good	0.427 \| good	1.534 \| good	0.16 \| good
2026-02-12T09:00:00.000Z	54 \| moderate	11.31 \| good	50.003 \| good	26.977 \| good	0.375 \| good	1.36 \| good	0.156 \| good
2026-02-12T10:00:00.000Z	49 \| good	9.284 \| good	41.323 \| good	21.943 \| good	0.372 \| good	1.678 \| good	0.155 \| good
2026-02-12T11:00:00.000Z	27 \| good	5.092 \| good	22.432 \| good	20.128 \| good	0.368 \| good	1.996 \| good	0.155 \| good
2026-02-12T12:00:00.000Z	25 \| good	2.017 \| good	8.263 \| good	26.914 \| good	0.364 \| good	2.315 \| good	0.155 \| good
2026-02-12T13:00:00.000Z	33 \| good	1.171 \| good	4.728 \| good	35.812 \| good	0.371 \| good	2.07 \| good	0.154 \| good
2026-02-12T14:00:00.000Z	36 \| good	1.707 \| good	7.107 \| good	39.115 \| good	0.378 \| good	1.825 \| good	0.152 \| good
2026-02-12T15:00:00.000Z	33 \| good	2.716 \| good	11.276 \| good	36.224 \| good	0.385 \| good	1.579 \| good	0.15 \| good
2026-02-12T16:00:00.000Z	35 \| good	2.994 \| good	12.279 \| good	38.029 \| good	0.378 \| good	1.447 \| good	0.149 \| good
2026-02-12T17:00:00.000Z	36 \| good	1.267 \| good	5.156 \| good	39.404 \| good	0.371 \| good	1.314 \| good	0.147 \| good
2026-02-12T18:00:00.000Z	39 \| good	6.314 \| good	27.983 \| good	42.001 \| good	0.365 \| good	1.182 \| good	0.145 \| good
2026-02-12T19:00:00.000Z	40 \| good	5.218 \| good	22.663 \| good	42.534 \| good	0.366 \| good	1.441 \| good	0.146 \| good
2026-02-12T20:00:00.000Z	38 \| good	3.858 \| good	16.905 \| good	40.616 \| good	0.368 \| good	1.699 \| good	0.147 \| good
2026-02-12T21:00:00.000Z	38 \| good	0.788 \| good	2.933 \| good	40.69 \| good	0.37 \| good	1.958 \| good	0.147 \| good
2026-02-12T22:00:00.000Z	34 \| good	2.741 \| good	11.275 \| good	37.342 \| good	0.376 \| good	2.78 \| good	0.154 \| good
2026-02-12T23:00:00.000Z	31 \| good	1.187 \| good	4.675 \| good	32.713 \| good	0.383 \| good	3.602 \| good	0.16 \| good
2026-02-13T00:00:00.000Z	29 \| good	1.207 \| good	4.787 \| good	31.37 \| good	0.389 \| good	4.425 \| good	0.166 \| good
2026-02-13T01:00:00.000Z	27 \| good	1.303 \| good	5.273 \| good	29.495 \| good	0.389 \| good	4.222 \| good	0.165 \| good
2026-02-13T02:00:00.000Z	29 \| good	4.362 \| good	19.047 \| good	31.276 \| good	0.388 \| good	4.019 \| good	0.165 \| good
2026-02-13T03:00:00.000Z	30 \| good	4.496 \| good	19.566 \| good	32.331 \| good	0.387 \| good	3.816 \| good	0.165 \| good
2026-02-13T04:00:00.000Z	33 \| good	5.662 \| good	24.839 \| good	32.946 \| good	0.368 \| good	3.36 \| good	0.162 \| good
2026-02-13T05:00:00.000Z	38 \| good	7.347 \| good	32.476 \| good	30.984 \| good	0.349 \| good	2.904 \| good	0.159 \| good
2026-02-13T06:00:00.000Z	40 \| good	4.163 \| good	4.487 \| good	42.646 \| good	0.331 \| good	2.454 \| good	0.156 \| good
2026-02-13T07:00:00.000Z	25 \| good	2.455 \| good	10.19 \| good	27.159 \| good	0.322 \| good	2.274 \| good	0.154 \| good
2026-02-13T08:00:00.000Z	21 \| good	2.275 \| good	9.367 \| good	23.312 \| good	0.314 \| good	2.101 \| good	0.153 \| good
2026-02-13T09:00:00.000Z	17 \| good	2.476 \| good	10.265 \| good	17.738 \| good	0.306 \| good	1.927 \| good	0.151 \| good
2026-02-13T10:00:00.000Z	33 \| good	5.67 \| good	24.425 \| good	16.257 \| good	0.328 \| good	2.581 \| good	0.156 \| good
2026-02-13T11:00:00.000Z	38 \| good	6.66 \| good	29.579 \| good	14.45 \| good	0.351 \| good	3.235 \| good	0.16 \| good
2026-02-13T12:00:00.000Z	37 \| good	4.138 \| good	4.332 \| good	39.564 \| good	0.375 \| good	3.887 \| good	0.165 \| good
2026-02-13T13:00:00.000Z	37 \| good	4.88 \| good	5.148 \| good	39.798 \| good	0.424 \| good	3.741 \| good	0.169 \| good
2026-02-13T14:00:00.000Z	37 \| good	5.228 \| good	5.559 \| good	40.032 \| good	0.473 \| good	3.596 \| good	0.173 \| good
2026-02-13T15:00:00.000Z	37 \| good	4.499 \| good	4.8 \| good	40.267 \| good	0.522 \| good	3.45 \| good	0.177 \| good
2026-02-13T16:00:00.000Z	38 \| good	0.799 \| good	3.004 \| good	41.131 \| good	0.519 \| good	3.166 \| good	0.175 \| good
2026-02-13T17:00:00.000Z	39 \| good	0.756 \| good	3 \| good	41.787 \| good	0.52 \| good	2.896 \| good	0.172 \| good
2026-02-13T18:00:00.000Z	39 \| good	4.331 \| good	4.565 \| good	42.063 \| good	0.524 \| good	2.65 \| good	0.17 \| good
2026-02-13T19:00:00.000Z	39 \| good	4.519 \| good	4.73 \| good	41.708 \| good	0.544 \| good	3.295 \| good	0.173 \| good
2026-02-13T20:00:00.000Z	38 \| good	4.826 \| good	5.009 \| good	41.354 \| good	0.563 \| good	3.941 \| good	0.176 \| good
2026-02-13T21:00:00.000Z	38 \| good	5.576 \| good	5.739 \| good	40.999 \| good	0.583 \| good	4.586 \| good	0.179 \| good
2026-02-13T22:00:00.000Z	44 \| good	8.333 \| good	8.556 \| good	33.068 \| good	0.817 \| good	11.844 \| good	0.23 \| good
2026-02-13T23:00:00.000Z	58 \| moderate	12.799 \| fine	13.179 \| good	25.137 \| good	1.051 \| good	19.102 \| good	0.281 \| good
2026-02-14T00:00:00.000Z	66 \| moderate	17.364 \| fine	17.872 \| good	17.206 \| good	1.285 \| good	26.36 \| good	0.332 \| good
2026-02-14T01:00:00.000Z	38 \| good	7.427 \| good	32.639 \| good	14.076 \| good	1.38 \| good	27.763 \| good	0.352 \| good

New Haven

Empower business decisions with accurate air quality data

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

0.10ppm

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 Haven, Connecticut updated?

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

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

The worst air quality in New Haven, Connecticut was recorded at 04:00:00 on 2026-02-11.

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

The best air quality in New Haven, Connecticut was recorded at 12:00:00 on 2026-02-12.

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

The real-time air quality index in New Haven, Connecticut is 22, currently categorized as Good.

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

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

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

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

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

The measured PM_2.5 levels in New Haven, Connecticut at present are 2.604 μg/m³.

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

The current PM₁₀ levels in New Haven, Connecticut are 7.085 μg/m³.

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

The current carbon monoxide (CO) level in New Haven, Connecticut is 0.101 ppm.

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

The current sulfur dioxide (SO₂) levels in New Haven, Connecticut are 0.2 ppb.

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

The current ozone (O₃) levels at New Haven, Connecticut is 24.087 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Haven, Connecticut is 8.589 ppb.

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