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

The current PM10 levels in New Haven, Connecticut are 22.309 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 0.398 ppb.

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

The current ozone (O3) levels at New Haven, Connecticut is 48.889 ppm.

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

The current nitrogen dioxide (NO2) levels at New Haven, Connecticut is 18.89 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 12.678 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)

Moderate

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)

12.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.31 μg/m³

155

255

425

605+

Ozone (O₃)

48.89 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

18.89 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

New Haven, Connecticut

Get Live Pollen Counts

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
2026-06-27T19:00:00.000Z	44 \| good	8.006 \| good	15.879 \| good	40.475 \| good	0.452 \| good	20.066 \| good	0.207 \| good
2026-06-27T20:00:00.000Z	44 \| good	8.162 \| good	15.547 \| good	39.259 \| good	0.203 \| good	12.599 \| good	0.2 \| good
2026-06-27T21:00:00.000Z	44 \| good	8.414 \| good	17.151 \| good	41.987 \| good	0.213 \| good	7.711 \| good	0.118 \| good
2026-06-27T22:00:00.000Z	44 \| good	7.691 \| good	16.314 \| good	43.488 \| good	0.158 \| good	7.714 \| good	0.126 \| good
2026-06-27T23:00:00.000Z	39 \| good	7.049 \| good	14.123 \| good	42.453 \| good	0.142 \| good	8.37 \| good	0.207 \| good
2026-06-28T00:00:00.000Z	39 \| good	6.884 \| good	15.138 \| good	42.041 \| good	0.12 \| good	14.904 \| good	0.293 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.954 \| good	14.716 \| good	40.816 \| good	0.201 \| good	13.69 \| good	0.211 \| good
2026-06-28T02:00:00.000Z	38 \| good	6.733 \| good	14.131 \| good	40.084 \| good	0.194 \| good	13.45 \| good	0.22 \| good
2026-06-28T03:00:00.000Z	62 \| moderate	15.482 \| fine	68.958 \| fine	34.758 \| good	0.387 \| good	8.968 \| good	0.248 \| good
2026-06-28T04:00:00.000Z	44 \| good	7.788 \| good	17.36 \| good	31.938 \| good	0.21 \| good	12.935 \| good	0.302 \| good
2026-06-28T05:00:00.000Z	44 \| good	8.397 \| good	17.192 \| good	27.926 \| good	0.125 \| good	19.536 \| good	0.383 \| good
2026-06-28T06:00:00.000Z	52 \| moderate	10.18 \| good	21.046 \| good	22.458 \| good	0.121 \| good	17.695 \| good	0.384 \| good
2026-06-28T07:00:00.000Z	54 \| moderate	10.773 \| good	34.137 \| good	29.062 \| good	0.325 \| good	4.501 \| good	0.335 \| good
2026-06-28T08:00:00.000Z	54 \| moderate	11.21 \| good	21.775 \| good	15.968 \| good	0.127 \| good	14.271 \| good	0.375 \| good
2026-06-28T09:00:00.000Z	54 \| moderate	11.261 \| good	21.916 \| good	13.189 \| good	0.163 \| good	13.589 \| good	0.293 \| good
2026-06-28T10:00:00.000Z	52 \| moderate	10.47 \| good	19.171 \| good	10.702 \| good	0.143 \| good	10.153 \| good	0.214 \| good
2026-06-28T11:00:00.000Z	52 \| moderate	9.997 \| good	19.224 \| good	10.009 \| good	0.164 \| good	8.517 \| good	0.295 \| good
2026-06-28T12:00:00.000Z	52 \| moderate	10 \| good	18.763 \| good	10.615 \| good	0.182 \| good	9.23 \| good	0.284 \| good
2026-06-28T13:00:00.000Z	54 \| moderate	11.089 \| good	30.368 \| good	20.721 \| good	0.682 \| good	5.127 \| good	0.223 \| good
2026-06-28T14:00:00.000Z	52 \| moderate	9.866 \| good	17.506 \| good	18.968 \| good	0.13 \| good	4.532 \| good	0.199 \| good
2026-06-28T15:00:00.000Z	52 \| moderate	9.834 \| good	18.574 \| good	25.708 \| good	0.205 \| good	4.817 \| good	0.191 \| good
2026-06-28T16:00:00.000Z	52 \| moderate	10.244 \| good	18.962 \| good	36.089 \| good	0.369 \| good	8.805 \| good	0.273 \| good
2026-06-28T17:00:00.000Z	52 \| moderate	10.149 \| good	17.82 \| good	39.279 \| good	0.277 \| good	10.112 \| good	0.192 \| good
2026-06-28T18:00:00.000Z	52 \| moderate	9.932 \| good	19.075 \| good	42.254 \| good	0.273 \| good	8.127 \| good	0.199 \| good
2026-06-28T19:00:00.000Z	52 \| moderate	9.957 \| good	18.284 \| good	44.675 \| good	0.207 \| good	3.788 \| good	0.281 \| good
2026-06-28T20:00:00.000Z	52 \| moderate	9.938 \| good	17.082 \| good	49.343 \| good	0.219 \| good	2.866 \| good	0.199 \| good
2026-06-28T21:00:00.000Z	52 \| moderate	9.663 \| good	16.898 \| good	52.152 \| good	0.226 \| good	4.45 \| good	0.199 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.733 \| good	16.612 \| good	51.982 \| good	0.214 \| good	5.88 \| good	0.205 \| good
2026-06-28T23:00:00.000Z	47 \| good	8.407 \| good	15.466 \| good	51.131 \| good	0.136 \| good	7.543 \| good	0.198 \| good
2026-06-29T00:00:00.000Z	49 \| good	8.501 \| good	15.401 \| good	48.646 \| good	0.136 \| good	3.499 \| good	0.21 \| good
2026-06-29T01:00:00.000Z	49 \| good	8.717 \| good	15.651 \| good	50.724 \| good	0.146 \| good	3.79 \| good	0.199 \| good
2026-06-29T02:00:00.000Z	49 \| good	8.912 \| good	15.164 \| good	49.242 \| good	0.231 \| good	4.818 \| good	0.199 \| good
2026-06-29T03:00:00.000Z	56 \| moderate	12.129 \| fine	54.216 \| good	41.041 \| good	0.334 \| good	6.199 \| good	0.206 \| good
2026-06-29T04:00:00.000Z	49 \| good	8.663 \| good	14.365 \| good	45.95 \| good	0.174 \| good	4.835 \| good	0.208 \| good
2026-06-29T05:00:00.000Z	49 \| good	8.527 \| good	15.38 \| good	45.795 \| good	0.188 \| good	5.403 \| good	0.123 \| good
2026-06-29T06:00:00.000Z	44 \| good	8.442 \| good	15.287 \| good	41.593 \| good	0.14 \| good	7.323 \| good	0.196 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.976 \| good	20.373 \| good	28.524 \| good	0.475 \| good	7.285 \| good	0.196 \| good
2026-06-29T08:00:00.000Z	52 \| moderate	9.718 \| good	16.43 \| good	31.951 \| good	0.14 \| good	9.266 \| good	0.196 \| good
2026-06-29T09:00:00.000Z	54 \| moderate	10.855 \| good	18.762 \| good	30.054 \| good	0.141 \| good	7.091 \| good	0.196 \| good
2026-06-29T10:00:00.000Z	56 \| moderate	12.46 \| fine	20.394 \| good	29.26 \| good	0.118 \| good	12.128 \| good	0.205 \| good
2026-06-29T11:00:00.000Z	58 \| moderate	12.676 \| fine	20.477 \| good	22.387 \| good	0.142 \| good	13.991 \| good	0.211 \| good
2026-06-29T12:00:00.000Z	56 \| moderate	11.584 \| good	20.819 \| good	18.268 \| good	0.128 \| good	9.686 \| good	0.205 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.48 \| good	26.418 \| good	16.874 \| good	0.376 \| good	8.222 \| good	0.256 \| good
2026-06-29T14:00:00.000Z	54 \| moderate	10.678 \| good	22.695 \| good	24.084 \| good	0.236 \| good	5.219 \| good	0.196 \| good
2026-06-29T15:00:00.000Z	52 \| moderate	10.486 \| good	21.633 \| good	28.682 \| good	0.234 \| good	4.629 \| good	0.195 \| good
2026-06-29T16:00:00.000Z	54 \| moderate	10.997 \| good	24.828 \| good	34.484 \| good	0.223 \| good	4.8 \| good	0.2 \| good
2026-06-29T17:00:00.000Z	56 \| moderate	11.575 \| good	23.704 \| good	39.38 \| good	0.3 \| good	9.08 \| good	0.271 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.084 \| good	24.259 \| good	46.992 \| good	0.377 \| good	15.725 \| good	0.272 \| good
2026-06-29T18:00:00.000Z	58 \| moderate	12.678 \| fine	22.309 \| good	48.889 \| good	0.398 \| good	18.89 \| good	0.297 \| good
2026-06-29T19:00:00.000Z	37 \| good	2.219 \| good	8.954 \| good	39.738 \| good	0.234 \| good	1.013 \| good	0.157 \| good
2026-06-29T20:00:00.000Z	34 \| good	2.737 \| good	11.228 \| good	37.225 \| good	0.223 \| good	1.097 \| good	0.159 \| good
2026-06-29T21:00:00.000Z	35 \| good	1.972 \| good	8.09 \| good	37.828 \| good	0.222 \| good	1.283 \| good	0.161 \| good
2026-06-29T22:00:00.000Z	41 \| good	4.438 \| good	19.492 \| good	44.311 \| good	0.225 \| good	1.773 \| good	0.166 \| good
2026-06-29T23:00:00.000Z	45 \| good	7.04 \| good	31.149 \| good	48.813 \| good	0.23 \| good	2.561 \| good	0.176 \| good
2026-06-30T00:00:00.000Z	49 \| good	8.995 \| good	40.215 \| good	48.8 \| good	0.252 \| good	3.839 \| good	0.184 \| good
2026-06-30T01:00:00.000Z	52 \| moderate	10.196 \| good	45.246 \| good	43.929 \| good	0.3 \| good	5.746 \| good	0.195 \| good
2026-06-30T02:00:00.000Z	52 \| moderate	10.369 \| good	46.058 \| good	38.124 \| good	0.341 \| good	5.762 \| good	0.188 \| good
2026-06-30T03:00:00.000Z	52 \| moderate	10.297 \| good	45.596 \| good	37.978 \| good	0.393 \| good	5.543 \| good	0.177 \| good
2026-06-30T04:00:00.000Z	54 \| moderate	10.884 \| good	47.86 \| good	30.808 \| good	0.434 \| good	5.935 \| good	0.172 \| good
2026-06-30T05:00:00.000Z	54 \| moderate	10.897 \| good	48 \| good	27.499 \| good	0.464 \| good	6.234 \| good	0.167 \| good
2026-06-30T06:00:00.000Z	56 \| moderate	12.177 \| fine	55.007 \| fine	22.323 \| good	0.504 \| good	6.688 \| good	0.162 \| good
2026-06-30T07:00:00.000Z	56 \| moderate	12.095 \| good	54.274 \| good	17.831 \| good	0.542 \| good	7.278 \| good	0.159 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	12.297 \| fine	55.154 \| fine	13.703 \| good	0.577 \| good	7.938 \| good	0.158 \| good
2026-06-30T09:00:00.000Z	54 \| moderate	11.383 \| good	50.406 \| good	13.201 \| good	0.608 \| good	8.606 \| good	0.16 \| good
2026-06-30T10:00:00.000Z	54 \| moderate	11.414 \| good	50.564 \| good	14.994 \| good	0.624 \| good	9.308 \| good	0.165 \| good
2026-06-30T11:00:00.000Z	54 \| moderate	10.507 \| good	46.853 \| good	21.268 \| good	0.614 \| good	8.213 \| good	0.171 \| good
2026-06-30T12:00:00.000Z	52 \| moderate	9.896 \| good	44.222 \| good	30.276 \| good	0.674 \| good	6.92 \| good	0.18 \| good
2026-06-30T13:00:00.000Z	52 \| moderate	10.197 \| good	45.356 \| good	36.513 \| good	0.723 \| good	5.283 \| good	0.187 \| good
2026-06-30T14:00:00.000Z	56 \| moderate	11.693 \| good	51.901 \| good	43.198 \| good	0.718 \| good	3.622 \| good	0.187 \| good
2026-06-30T15:00:00.000Z	60 \| moderate	13.516 \| fine	61.09 \| fine	50.477 \| good	0.677 \| good	2.729 \| good	0.18 \| good
2026-06-30T16:00:00.000Z	60 \| moderate	13.709 \| fine	61.629 \| fine	56.222 \| fine	0.603 \| good	2.222 \| good	0.173 \| good
2026-06-30T17:00:00.000Z	87 \| moderate	14.349 \| fine	64.032 \| fine	65.575 \| fine	0.558 \| good	1.804 \| good	0.168 \| good
2026-06-30T18:00:00.000Z	112 \| sensitive	13.845 \| fine	62.305 \| fine	73.831 \| moderate	0.536 \| good	1.471 \| good	0.163 \| good
2026-06-30T19:00:00.000Z	105 \| sensitive	11.217 \| good	49.645 \| good	72.371 \| moderate	0.514 \| good	1.24 \| good	0.157 \| good
2026-06-30T20:00:00.000Z	64 \| moderate	9.321 \| good	41.827 \| good	58.936 \| fine	0.473 \| good	1.141 \| good	0.15 \| good
2026-06-30T21:00:00.000Z	46 \| good	6.437 \| good	28.597 \| good	49.856 \| good	0.417 \| good	1.199 \| good	0.145 \| good
2026-06-30T22:00:00.000Z	41 \| good	4.852 \| good	20.715 \| good	44.048 \| good	0.358 \| good	1.541 \| good	0.145 \| good
2026-06-30T23:00:00.000Z	37 \| good	4.118 \| good	17.908 \| good	39.849 \| good	0.307 \| good	2.132 \| good	0.146 \| good
2026-07-01T00:00:00.000Z	36 \| good	4.716 \| good	20.633 \| good	38.537 \| good	0.272 \| good	2.76 \| good	0.144 \| good
2026-07-01T01:00:00.000Z	32 \| good	4.845 \| good	20.872 \| good	34.558 \| good	0.275 \| good	3.327 \| good	0.142 \| good
2026-07-01T02:00:00.000Z	33 \| good	6.137 \| good	27.668 \| good	30.7 \| good	0.308 \| good	3.938 \| good	0.142 \| good
2026-07-01T03:00:00.000Z	38 \| good	7.043 \| good	31.333 \| good	32.367 \| good	0.353 \| good	4.536 \| good	0.142 \| good
2026-07-01T04:00:00.000Z	38 \| good	7.129 \| good	31.424 \| good	24.916 \| good	0.399 \| good	5.083 \| good	0.144 \| good
2026-07-01T05:00:00.000Z	38 \| good	6.857 \| good	30.485 \| good	31.649 \| good	0.44 \| good	5.369 \| good	0.146 \| good
2026-07-01T06:00:00.000Z	49 \| good	8.589 \| good	37.772 \| good	21.976 \| good	0.452 \| good	5.143 \| good	0.142 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	10.167 \| good	45.111 \| good	20.41 \| good	0.46 \| good	4.563 \| good	0.137 \| good
2026-07-01T08:00:00.000Z	52 \| moderate	10.198 \| good	45.122 \| good	19.766 \| good	0.468 \| good	4.188 \| good	0.135 \| good
2026-07-01T09:00:00.000Z	49 \| good	8.864 \| good	38.96 \| good	10.8 \| good	0.475 \| good	4.093 \| good	0.134 \| good
2026-07-01T10:00:00.000Z	44 \| good	8.437 \| good	36.894 \| good	13.852 \| good	0.477 \| good	4.16 \| good	0.135 \| good
2026-07-01T11:00:00.000Z	49 \| good	8.69 \| good	37.973 \| good	22.72 \| good	0.471 \| good	3.854 \| good	0.138 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.514 \| good	42.906 \| good	33.511 \| good	0.493 \| good	3.556 \| good	0.145 \| good
2026-07-01T13:00:00.000Z	56 \| moderate	11.507 \| good	51 \| good	42.246 \| good	0.543 \| good	2.982 \| good	0.154 \| good
2026-07-01T14:00:00.000Z	60 \| moderate	14.469 \| fine	65 \| fine	49.256 \| good	0.57 \| good	2.356 \| good	0.163 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.833 \| fine	91.288 \| fine	54.65 \| good	0.594 \| good	1.944 \| good	0.171 \| good
2026-07-01T16:00:00.000Z	79 \| moderate	24.198 \| fine	105.437 \| fine	52.844 \| good	0.622 \| good	1.64 \| good	0.178 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	22.956 \| fine	100.972 \| fine	52.71 \| good	0.64 \| good	1.393 \| good	0.181 \| good
2026-07-01T18:00:00.000Z	73 \| moderate	21.2 \| fine	93.231 \| fine	53.009 \| good	0.609 \| good	1.207 \| good	0.177 \| good

New Haven

Empower business decisions with accurate air quality data

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

0.27ppm

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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Check live rankings of places in the USA affected by air pollution.

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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 11:00:00 on 2026-06-29.

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 01:00:00 on 2026-06-29.

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

The real-time air quality index in New Haven, Connecticut is 58, currently categorized as Moderate.

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

The most common pollutant in New Haven, Connecticut is PM2.5.

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 12.678 μg/m³.

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

The current PM₁₀ levels in New Haven, Connecticut are 22.309 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 0.297 ppm.

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

The current sulfur dioxide (SO₂) levels in New Haven, Connecticut are 0.398 ppb.

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

The current ozone (O₃) levels at New Haven, Connecticut is 48.889 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Haven, Connecticut is 18.89 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-06-27T19:00:00.000Z	44 \| good	8.006 \| good	15.879 \| good	40.475 \| good	0.452 \| good	20.066 \| good	0.207 \| good
2026-06-27T20:00:00.000Z	44 \| good	8.162 \| good	15.547 \| good	39.259 \| good	0.203 \| good	12.599 \| good	0.2 \| good
2026-06-27T21:00:00.000Z	44 \| good	8.414 \| good	17.151 \| good	41.987 \| good	0.213 \| good	7.711 \| good	0.118 \| good
2026-06-27T22:00:00.000Z	44 \| good	7.691 \| good	16.314 \| good	43.488 \| good	0.158 \| good	7.714 \| good	0.126 \| good
2026-06-27T23:00:00.000Z	39 \| good	7.049 \| good	14.123 \| good	42.453 \| good	0.142 \| good	8.37 \| good	0.207 \| good
2026-06-28T00:00:00.000Z	39 \| good	6.884 \| good	15.138 \| good	42.041 \| good	0.12 \| good	14.904 \| good	0.293 \| good
2026-06-28T01:00:00.000Z	38 \| good	6.954 \| good	14.716 \| good	40.816 \| good	0.201 \| good	13.69 \| good	0.211 \| good
2026-06-28T02:00:00.000Z	38 \| good	6.733 \| good	14.131 \| good	40.084 \| good	0.194 \| good	13.45 \| good	0.22 \| good
2026-06-28T03:00:00.000Z	62 \| moderate	15.482 \| fine	68.958 \| fine	34.758 \| good	0.387 \| good	8.968 \| good	0.248 \| good
2026-06-28T04:00:00.000Z	44 \| good	7.788 \| good	17.36 \| good	31.938 \| good	0.21 \| good	12.935 \| good	0.302 \| good
2026-06-28T05:00:00.000Z	44 \| good	8.397 \| good	17.192 \| good	27.926 \| good	0.125 \| good	19.536 \| good	0.383 \| good
2026-06-28T06:00:00.000Z	52 \| moderate	10.18 \| good	21.046 \| good	22.458 \| good	0.121 \| good	17.695 \| good	0.384 \| good
2026-06-28T07:00:00.000Z	54 \| moderate	10.773 \| good	34.137 \| good	29.062 \| good	0.325 \| good	4.501 \| good	0.335 \| good
2026-06-28T08:00:00.000Z	54 \| moderate	11.21 \| good	21.775 \| good	15.968 \| good	0.127 \| good	14.271 \| good	0.375 \| good
2026-06-28T09:00:00.000Z	54 \| moderate	11.261 \| good	21.916 \| good	13.189 \| good	0.163 \| good	13.589 \| good	0.293 \| good
2026-06-28T10:00:00.000Z	52 \| moderate	10.47 \| good	19.171 \| good	10.702 \| good	0.143 \| good	10.153 \| good	0.214 \| good
2026-06-28T11:00:00.000Z	52 \| moderate	9.997 \| good	19.224 \| good	10.009 \| good	0.164 \| good	8.517 \| good	0.295 \| good
2026-06-28T12:00:00.000Z	52 \| moderate	10 \| good	18.763 \| good	10.615 \| good	0.182 \| good	9.23 \| good	0.284 \| good
2026-06-28T13:00:00.000Z	54 \| moderate	11.089 \| good	30.368 \| good	20.721 \| good	0.682 \| good	5.127 \| good	0.223 \| good
2026-06-28T14:00:00.000Z	52 \| moderate	9.866 \| good	17.506 \| good	18.968 \| good	0.13 \| good	4.532 \| good	0.199 \| good
2026-06-28T15:00:00.000Z	52 \| moderate	9.834 \| good	18.574 \| good	25.708 \| good	0.205 \| good	4.817 \| good	0.191 \| good
2026-06-28T16:00:00.000Z	52 \| moderate	10.244 \| good	18.962 \| good	36.089 \| good	0.369 \| good	8.805 \| good	0.273 \| good
2026-06-28T17:00:00.000Z	52 \| moderate	10.149 \| good	17.82 \| good	39.279 \| good	0.277 \| good	10.112 \| good	0.192 \| good
2026-06-28T18:00:00.000Z	52 \| moderate	9.932 \| good	19.075 \| good	42.254 \| good	0.273 \| good	8.127 \| good	0.199 \| good
2026-06-28T19:00:00.000Z	52 \| moderate	9.957 \| good	18.284 \| good	44.675 \| good	0.207 \| good	3.788 \| good	0.281 \| good
2026-06-28T20:00:00.000Z	52 \| moderate	9.938 \| good	17.082 \| good	49.343 \| good	0.219 \| good	2.866 \| good	0.199 \| good
2026-06-28T21:00:00.000Z	52 \| moderate	9.663 \| good	16.898 \| good	52.152 \| good	0.226 \| good	4.45 \| good	0.199 \| good
2026-06-28T22:00:00.000Z	49 \| good	8.733 \| good	16.612 \| good	51.982 \| good	0.214 \| good	5.88 \| good	0.205 \| good
2026-06-28T23:00:00.000Z	47 \| good	8.407 \| good	15.466 \| good	51.131 \| good	0.136 \| good	7.543 \| good	0.198 \| good
2026-06-29T00:00:00.000Z	49 \| good	8.501 \| good	15.401 \| good	48.646 \| good	0.136 \| good	3.499 \| good	0.21 \| good
2026-06-29T01:00:00.000Z	49 \| good	8.717 \| good	15.651 \| good	50.724 \| good	0.146 \| good	3.79 \| good	0.199 \| good
2026-06-29T02:00:00.000Z	49 \| good	8.912 \| good	15.164 \| good	49.242 \| good	0.231 \| good	4.818 \| good	0.199 \| good
2026-06-29T03:00:00.000Z	56 \| moderate	12.129 \| fine	54.216 \| good	41.041 \| good	0.334 \| good	6.199 \| good	0.206 \| good
2026-06-29T04:00:00.000Z	49 \| good	8.663 \| good	14.365 \| good	45.95 \| good	0.174 \| good	4.835 \| good	0.208 \| good
2026-06-29T05:00:00.000Z	49 \| good	8.527 \| good	15.38 \| good	45.795 \| good	0.188 \| good	5.403 \| good	0.123 \| good
2026-06-29T06:00:00.000Z	44 \| good	8.442 \| good	15.287 \| good	41.593 \| good	0.14 \| good	7.323 \| good	0.196 \| good
2026-06-29T07:00:00.000Z	44 \| good	7.976 \| good	20.373 \| good	28.524 \| good	0.475 \| good	7.285 \| good	0.196 \| good
2026-06-29T08:00:00.000Z	52 \| moderate	9.718 \| good	16.43 \| good	31.951 \| good	0.14 \| good	9.266 \| good	0.196 \| good
2026-06-29T09:00:00.000Z	54 \| moderate	10.855 \| good	18.762 \| good	30.054 \| good	0.141 \| good	7.091 \| good	0.196 \| good
2026-06-29T10:00:00.000Z	56 \| moderate	12.46 \| fine	20.394 \| good	29.26 \| good	0.118 \| good	12.128 \| good	0.205 \| good
2026-06-29T11:00:00.000Z	58 \| moderate	12.676 \| fine	20.477 \| good	22.387 \| good	0.142 \| good	13.991 \| good	0.211 \| good
2026-06-29T12:00:00.000Z	56 \| moderate	11.584 \| good	20.819 \| good	18.268 \| good	0.128 \| good	9.686 \| good	0.205 \| good
2026-06-29T13:00:00.000Z	44 \| good	8.48 \| good	26.418 \| good	16.874 \| good	0.376 \| good	8.222 \| good	0.256 \| good
2026-06-29T14:00:00.000Z	54 \| moderate	10.678 \| good	22.695 \| good	24.084 \| good	0.236 \| good	5.219 \| good	0.196 \| good
2026-06-29T15:00:00.000Z	52 \| moderate	10.486 \| good	21.633 \| good	28.682 \| good	0.234 \| good	4.629 \| good	0.195 \| good
2026-06-29T16:00:00.000Z	54 \| moderate	10.997 \| good	24.828 \| good	34.484 \| good	0.223 \| good	4.8 \| good	0.2 \| good
2026-06-29T17:00:00.000Z	56 \| moderate	11.575 \| good	23.704 \| good	39.38 \| good	0.3 \| good	9.08 \| good	0.271 \| good
2026-06-29T18:00:00.000Z	56 \| moderate	12.084 \| good	24.259 \| good	46.992 \| good	0.377 \| good	15.725 \| good	0.272 \| good
2026-06-29T18:00:00.000Z	58 \| moderate	12.678 \| fine	22.309 \| good	48.889 \| good	0.398 \| good	18.89 \| good	0.297 \| good
2026-06-29T19:00:00.000Z	37 \| good	2.219 \| good	8.954 \| good	39.738 \| good	0.234 \| good	1.013 \| good	0.157 \| good
2026-06-29T20:00:00.000Z	34 \| good	2.737 \| good	11.228 \| good	37.225 \| good	0.223 \| good	1.097 \| good	0.159 \| good
2026-06-29T21:00:00.000Z	35 \| good	1.972 \| good	8.09 \| good	37.828 \| good	0.222 \| good	1.283 \| good	0.161 \| good
2026-06-29T22:00:00.000Z	41 \| good	4.438 \| good	19.492 \| good	44.311 \| good	0.225 \| good	1.773 \| good	0.166 \| good
2026-06-29T23:00:00.000Z	45 \| good	7.04 \| good	31.149 \| good	48.813 \| good	0.23 \| good	2.561 \| good	0.176 \| good
2026-06-30T00:00:00.000Z	49 \| good	8.995 \| good	40.215 \| good	48.8 \| good	0.252 \| good	3.839 \| good	0.184 \| good
2026-06-30T01:00:00.000Z	52 \| moderate	10.196 \| good	45.246 \| good	43.929 \| good	0.3 \| good	5.746 \| good	0.195 \| good
2026-06-30T02:00:00.000Z	52 \| moderate	10.369 \| good	46.058 \| good	38.124 \| good	0.341 \| good	5.762 \| good	0.188 \| good
2026-06-30T03:00:00.000Z	52 \| moderate	10.297 \| good	45.596 \| good	37.978 \| good	0.393 \| good	5.543 \| good	0.177 \| good
2026-06-30T04:00:00.000Z	54 \| moderate	10.884 \| good	47.86 \| good	30.808 \| good	0.434 \| good	5.935 \| good	0.172 \| good
2026-06-30T05:00:00.000Z	54 \| moderate	10.897 \| good	48 \| good	27.499 \| good	0.464 \| good	6.234 \| good	0.167 \| good
2026-06-30T06:00:00.000Z	56 \| moderate	12.177 \| fine	55.007 \| fine	22.323 \| good	0.504 \| good	6.688 \| good	0.162 \| good
2026-06-30T07:00:00.000Z	56 \| moderate	12.095 \| good	54.274 \| good	17.831 \| good	0.542 \| good	7.278 \| good	0.159 \| good
2026-06-30T08:00:00.000Z	56 \| moderate	12.297 \| fine	55.154 \| fine	13.703 \| good	0.577 \| good	7.938 \| good	0.158 \| good
2026-06-30T09:00:00.000Z	54 \| moderate	11.383 \| good	50.406 \| good	13.201 \| good	0.608 \| good	8.606 \| good	0.16 \| good
2026-06-30T10:00:00.000Z	54 \| moderate	11.414 \| good	50.564 \| good	14.994 \| good	0.624 \| good	9.308 \| good	0.165 \| good
2026-06-30T11:00:00.000Z	54 \| moderate	10.507 \| good	46.853 \| good	21.268 \| good	0.614 \| good	8.213 \| good	0.171 \| good
2026-06-30T12:00:00.000Z	52 \| moderate	9.896 \| good	44.222 \| good	30.276 \| good	0.674 \| good	6.92 \| good	0.18 \| good
2026-06-30T13:00:00.000Z	52 \| moderate	10.197 \| good	45.356 \| good	36.513 \| good	0.723 \| good	5.283 \| good	0.187 \| good
2026-06-30T14:00:00.000Z	56 \| moderate	11.693 \| good	51.901 \| good	43.198 \| good	0.718 \| good	3.622 \| good	0.187 \| good
2026-06-30T15:00:00.000Z	60 \| moderate	13.516 \| fine	61.09 \| fine	50.477 \| good	0.677 \| good	2.729 \| good	0.18 \| good
2026-06-30T16:00:00.000Z	60 \| moderate	13.709 \| fine	61.629 \| fine	56.222 \| fine	0.603 \| good	2.222 \| good	0.173 \| good
2026-06-30T17:00:00.000Z	87 \| moderate	14.349 \| fine	64.032 \| fine	65.575 \| fine	0.558 \| good	1.804 \| good	0.168 \| good
2026-06-30T18:00:00.000Z	112 \| sensitive	13.845 \| fine	62.305 \| fine	73.831 \| moderate	0.536 \| good	1.471 \| good	0.163 \| good
2026-06-30T19:00:00.000Z	105 \| sensitive	11.217 \| good	49.645 \| good	72.371 \| moderate	0.514 \| good	1.24 \| good	0.157 \| good
2026-06-30T20:00:00.000Z	64 \| moderate	9.321 \| good	41.827 \| good	58.936 \| fine	0.473 \| good	1.141 \| good	0.15 \| good
2026-06-30T21:00:00.000Z	46 \| good	6.437 \| good	28.597 \| good	49.856 \| good	0.417 \| good	1.199 \| good	0.145 \| good
2026-06-30T22:00:00.000Z	41 \| good	4.852 \| good	20.715 \| good	44.048 \| good	0.358 \| good	1.541 \| good	0.145 \| good
2026-06-30T23:00:00.000Z	37 \| good	4.118 \| good	17.908 \| good	39.849 \| good	0.307 \| good	2.132 \| good	0.146 \| good
2026-07-01T00:00:00.000Z	36 \| good	4.716 \| good	20.633 \| good	38.537 \| good	0.272 \| good	2.76 \| good	0.144 \| good
2026-07-01T01:00:00.000Z	32 \| good	4.845 \| good	20.872 \| good	34.558 \| good	0.275 \| good	3.327 \| good	0.142 \| good
2026-07-01T02:00:00.000Z	33 \| good	6.137 \| good	27.668 \| good	30.7 \| good	0.308 \| good	3.938 \| good	0.142 \| good
2026-07-01T03:00:00.000Z	38 \| good	7.043 \| good	31.333 \| good	32.367 \| good	0.353 \| good	4.536 \| good	0.142 \| good
2026-07-01T04:00:00.000Z	38 \| good	7.129 \| good	31.424 \| good	24.916 \| good	0.399 \| good	5.083 \| good	0.144 \| good
2026-07-01T05:00:00.000Z	38 \| good	6.857 \| good	30.485 \| good	31.649 \| good	0.44 \| good	5.369 \| good	0.146 \| good
2026-07-01T06:00:00.000Z	49 \| good	8.589 \| good	37.772 \| good	21.976 \| good	0.452 \| good	5.143 \| good	0.142 \| good
2026-07-01T07:00:00.000Z	52 \| moderate	10.167 \| good	45.111 \| good	20.41 \| good	0.46 \| good	4.563 \| good	0.137 \| good
2026-07-01T08:00:00.000Z	52 \| moderate	10.198 \| good	45.122 \| good	19.766 \| good	0.468 \| good	4.188 \| good	0.135 \| good
2026-07-01T09:00:00.000Z	49 \| good	8.864 \| good	38.96 \| good	10.8 \| good	0.475 \| good	4.093 \| good	0.134 \| good
2026-07-01T10:00:00.000Z	44 \| good	8.437 \| good	36.894 \| good	13.852 \| good	0.477 \| good	4.16 \| good	0.135 \| good
2026-07-01T11:00:00.000Z	49 \| good	8.69 \| good	37.973 \| good	22.72 \| good	0.471 \| good	3.854 \| good	0.138 \| good
2026-07-01T12:00:00.000Z	52 \| moderate	9.514 \| good	42.906 \| good	33.511 \| good	0.493 \| good	3.556 \| good	0.145 \| good
2026-07-01T13:00:00.000Z	56 \| moderate	11.507 \| good	51 \| good	42.246 \| good	0.543 \| good	2.982 \| good	0.154 \| good
2026-07-01T14:00:00.000Z	60 \| moderate	14.469 \| fine	65 \| fine	49.256 \| good	0.57 \| good	2.356 \| good	0.163 \| good
2026-07-01T15:00:00.000Z	73 \| moderate	20.833 \| fine	91.288 \| fine	54.65 \| good	0.594 \| good	1.944 \| good	0.171 \| good
2026-07-01T16:00:00.000Z	79 \| moderate	24.198 \| fine	105.437 \| fine	52.844 \| good	0.622 \| good	1.64 \| good	0.178 \| good
2026-07-01T17:00:00.000Z	77 \| moderate	22.956 \| fine	100.972 \| fine	52.71 \| good	0.64 \| good	1.393 \| good	0.181 \| good
2026-07-01T18:00:00.000Z	73 \| moderate	21.2 \| fine	93.231 \| fine	53.009 \| good	0.609 \| good	1.207 \| good	0.177 \| good

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

Common air pollutants in New Haven, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live New Haven, Connecticut air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

West Haven, Connecticut

East Haven, Connecticut

Hamden, Connecticut

Orange, Connecticut

Branford, Connecticut

North Haven, Connecticut

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

How frequently is the air quality data for New Haven, Connecticut updated?

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

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

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

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

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

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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