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

The current PM10 levels in New Haven, Connecticut are 30.767 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 0.577 ppb.

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

The current ozone (O3) levels at New Haven, Connecticut is 26.001 ppm.

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

The current nitrogen dioxide (NO2) levels at New Haven, Connecticut is 26.411 ppb.

Live air quality index in New Haven, Connecticut today

Name: Live air pollution levels in New Haven, Connecticut today
Creator: Ambee

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)

Major air pollutants in New Haven, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

12.44 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.77 μg/m³

155

255

425

605+

Ozone (O₃)

26.00 ppb

201

201+

Sulfur Dioxide (SO₂)

0.58 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

26.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 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
2025-06-05T12:00:00.000Z	60 \| moderate	13.881 \| fine	32.989 \| good	19.341 \| good	0.514 \| good	23.483 \| good	0.38 \| good
2025-06-05T13:00:00.000Z	62 \| moderate	15.245 \| fine	42.882 \| good	22.615 \| good	0.441 \| good	24.489 \| good	0.428 \| good
2025-06-05T14:00:00.000Z	64 \| moderate	15.761 \| fine	35.294 \| good	22.238 \| good	0.526 \| good	30.139 \| good	0.341 \| good
2025-06-05T15:00:00.000Z	67 \| moderate	17.904 \| fine	37.813 \| good	26.777 \| good	1.068 \| good	35.699 \| good	0.362 \| good
2025-06-05T16:00:00.000Z	67 \| moderate	18.451 \| fine	49.963 \| good	23.227 \| good	1.19 \| good	44.454 \| good	0.375 \| good
2025-06-05T17:00:00.000Z	69 \| moderate	19.075 \| fine	36.52 \| good	56.09 \| fine	0.944 \| good	47.42 \| good	0.361 \| good
2025-06-05T18:00:00.000Z	77 \| moderate	20.672 \| fine	54.216 \| good	63.119 \| fine	0.786 \| good	36.652 \| good	0.347 \| good
2025-06-05T19:00:00.000Z	69 \| moderate	19.173 \| fine	84.257 \| fine	58.792 \| fine	0.906 \| good	38.395 \| good	0.353 \| good
2025-06-05T20:00:00.000Z	73 \| moderate	21.235 \| fine	79.478 \| fine	61.357 \| fine	0.81 \| good	34.307 \| good	0.427 \| good
2025-06-05T21:00:00.000Z	73 \| moderate	21.317 \| fine	91.632 \| fine	59.438 \| fine	0.619 \| good	20.992 \| good	0.401 \| good
2025-06-05T22:00:00.000Z	101 \| sensitive	21.662 \| fine	81.107 \| fine	71.3 \| moderate	0.508 \| good	18.064 \| good	0.407 \| good
2025-06-05T23:00:00.000Z	90 \| moderate	17.752 \| fine	72.018 \| fine	67.181 \| fine	0.472 \| good	18.451 \| good	0.352 \| good
2025-06-06T00:00:00.000Z	75 \| moderate	22.138 \| fine	49.653 \| good	61.233 \| fine	0.442 \| good	22.159 \| good	0.372 \| good
2025-06-06T01:00:00.000Z	64 \| moderate	14.508 \| fine	61.914 \| fine	59.367 \| fine	0.495 \| good	10.676 \| good	0.299 \| good
2025-06-06T02:00:00.000Z	74 \| moderate	16.231 \| fine	45.305 \| good	62.153 \| fine	0.938 \| good	9.902 \| good	0.28 \| good
2025-06-06T03:00:00.000Z	67 \| moderate	17.757 \| fine	62.295 \| fine	53.641 \| good	0.694 \| good	10.482 \| good	0.28 \| good
2025-06-06T04:00:00.000Z	67 \| moderate	18.347 \| fine	37.231 \| good	42.344 \| good	0.397 \| good	12.986 \| good	0.212 \| good
2025-06-06T05:00:00.000Z	62 \| moderate	14.918 \| fine	36.812 \| good	56.22 \| fine	0.324 \| good	12.202 \| good	0.199 \| good
2025-06-06T06:00:00.000Z	67 \| moderate	18.424 \| fine	36.785 \| good	43.26 \| good	0.366 \| good	15.657 \| good	0.174 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.003 \| fine	47.393 \| good	40.616 \| good	0.283 \| good	13.77 \| good	0.166 \| good
2025-06-06T08:00:00.000Z	66 \| moderate	17.375 \| fine	28.291 \| good	33.779 \| good	0.264 \| good	11.89 \| good	0.166 \| good
2025-06-06T09:00:00.000Z	64 \| moderate	15.6 \| fine	39.647 \| good	23.645 \| good	0.566 \| good	9.896 \| good	0.166 \| good
2025-06-06T10:00:00.000Z	66 \| moderate	16.941 \| fine	53.295 \| good	20.549 \| good	0.528 \| good	25.33 \| good	0.166 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.143 \| fine	59.745 \| fine	25.298 \| good	0.244 \| good	24.789 \| good	0.26 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.247 \| fine	67.709 \| fine	22.044 \| good	0.526 \| good	15.344 \| good	0.361 \| good
2025-06-06T13:00:00.000Z	67 \| moderate	17.643 \| fine	69.853 \| fine	26.176 \| good	0.378 \| good	18.88 \| good	0.308 \| good
2025-06-06T14:00:00.000Z	66 \| moderate	16.561 \| fine	35.98 \| good	23.839 \| good	0.319 \| good	13.061 \| good	0.261 \| good
2025-06-06T15:00:00.000Z	64 \| moderate	15.974 \| fine	49.058 \| good	32.946 \| good	0.334 \| good	12.13 \| good	0.327 \| good
2025-06-06T16:00:00.000Z	62 \| moderate	14.546 \| fine	65.954 \| fine	42.359 \| good	0.35 \| good	6.492 \| good	0.328 \| good
2025-06-06T17:00:00.000Z	64 \| moderate	15.945 \| fine	58.069 \| fine	43.717 \| good	0.376 \| good	8.546 \| good	0.341 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.602 \| fine	60.77 \| fine	54.178 \| good	0.373 \| good	11.104 \| good	0.341 \| good
2025-06-06T19:00:00.000Z	75 \| moderate	22.178 \| fine	79.038 \| fine	56.308 \| fine	0.35 \| good	8.093 \| good	0.327 \| good
2025-06-06T20:00:00.000Z	97 \| moderate	20.222 \| fine	46.323 \| good	69.095 \| fine	0.323 \| good	8.38 \| good	0.314 \| good
2025-06-06T21:00:00.000Z	69 \| moderate	18.64 \| fine	67.835 \| fine	53.349 \| good	0.34 \| good	9.954 \| good	0.334 \| good
2025-06-06T22:00:00.000Z	66 \| moderate	17.197 \| fine	59.865 \| fine	56.332 \| fine	0.342 \| good	11.089 \| good	0.28 \| good
2025-06-06T23:00:00.000Z	74 \| moderate	19.133 \| fine	64.851 \| fine	62.159 \| fine	0.361 \| good	17.581 \| good	0.279 \| good
2025-06-07T00:00:00.000Z	60 \| moderate	14.242 \| fine	32.666 \| good	55.583 \| fine	0.267 \| good	21.586 \| good	0.248 \| good
2025-06-07T01:00:00.000Z	54 \| moderate	11.433 \| good	38.432 \| good	39.133 \| good	0.282 \| good	3.781 \| good	0.181 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	12.077 \| good	28.664 \| good	45.417 \| good	0.584 \| good	5.394 \| good	0.187 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	12.183 \| fine	28.498 \| good	30.149 \| good	0.613 \| good	4.977 \| good	0.174 \| good
2025-06-07T04:00:00.000Z	56 \| moderate	11.801 \| good	30.985 \| good	27.938 \| good	0.622 \| good	5.319 \| good	0.173 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.025 \| good	25.215 \| good	27.729 \| good	0.928 \| good	5.259 \| good	0.332 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	10.661 \| good	17.673 \| good	27.948 \| good	0.896 \| good	5.55 \| good	0.317 \| good
2025-06-07T07:00:00.000Z	49 \| good	8.966 \| good	28.99 \| good	24.908 \| good	0.602 \| good	7.146 \| good	0.304 \| good
2025-06-07T08:00:00.000Z	49 \| good	9.136 \| good	28.942 \| good	19.975 \| good	0.611 \| good	5.17 \| good	0.333 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	10.72 \| good	24.486 \| good	16.703 \| good	0.59 \| good	8.996 \| good	0.275 \| good
2025-06-07T10:00:00.000Z	54 \| moderate	10.805 \| good	28.722 \| good	17.263 \| good	0.61 \| good	8.933 \| good	0.174 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.355 \| good	39.417 \| good	21.25 \| good	0.446 \| good	3.911 \| good	0.29 \| good
2025-06-07T10:00:00.000Z	56 \| moderate	12.435 \| fine	30.767 \| good	26.001 \| good	0.577 \| good	26.411 \| good	0.261 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.417 \| good	42.074 \| good	25.283 \| good	0.492 \| good	4.326 \| good	0.152 \| good
2025-06-07T12:00:00.000Z	54 \| moderate	10.836 \| good	48.087 \| good	24.109 \| good	0.328 \| good	3.879 \| good	0.154 \| good
2025-06-07T13:00:00.000Z	54 \| moderate	10.85 \| good	48.097 \| good	25.072 \| good	0.817 \| good	5.569 \| good	0.158 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.945 \| good	53.094 \| good	20.516 \| good	0.634 \| good	5.236 \| good	0.161 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	12.367 \| fine	55.447 \| fine	19.833 \| good	0.451 \| good	4.903 \| good	0.164 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.961 \| good	53.182 \| good	25.828 \| good	0.984 \| good	4.376 \| good	0.18 \| good
2025-06-07T17:00:00.000Z	56 \| moderate	11.94 \| good	53.247 \| good	36.879 \| good	0.866 \| good	4.612 \| good	0.183 \| good
2025-06-07T18:00:00.000Z	49 \| good	9.002 \| good	39.591 \| good	33.995 \| good	0.747 \| good	4.847 \| good	0.186 \| good
2025-06-07T19:00:00.000Z	44 \| good	8.268 \| good	36.198 \| good	39.101 \| good	0.668 \| good	3.831 \| good	0.201 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.974 \| good	39.399 \| good	40.92 \| good	0.671 \| good	4.283 \| good	0.203 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.344 \| good	41.346 \| good	43.188 \| good	0.674 \| good	4.735 \| good	0.205 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	10.422 \| good	46.016 \| good	39.79 \| good	0.553 \| good	5.779 \| good	0.227 \| good
2025-06-07T23:00:00.000Z	62 \| moderate	14.616 \| fine	65.477 \| fine	34.794 \| good	0.564 \| good	6.029 \| good	0.224 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.973 \| good	34.765 \| good	37.587 \| good	0.574 \| good	6.279 \| good	0.221 \| good
2025-06-08T01:00:00.000Z	44 \| good	7.537 \| good	33.214 \| good	32.339 \| good	0.568 \| good	7.721 \| good	0.263 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.141 \| good	31.393 \| good	28.203 \| good	0.569 \| good	7.726 \| good	0.259 \| good
2025-06-08T03:00:00.000Z	49 \| good	8.713 \| good	38.911 \| good	26.191 \| good	0.571 \| good	7.731 \| good	0.256 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.071 \| good	49.374 \| good	26.519 \| good	0.552 \| good	4.705 \| good	0.269 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.915 \| fine	57.915 \| fine	24.515 \| good	0.552 \| good	4.76 \| good	0.267 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.67 \| fine	56.817 \| fine	19.833 \| good	0.553 \| good	4.816 \| good	0.265 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	10.907 \| good	48.397 \| good	13.361 \| good	0.55 \| good	2.679 \| good	0.277 \| good
2025-06-08T08:00:00.000Z	49 \| good	8.85 \| good	39.292 \| good	11.12 \| good	0.522 \| good	2.654 \| good	0.269 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.611 \| good	42.962 \| good	8.349 \| good	0.493 \| good	2.628 \| good	0.261 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.751 \| fine	57.22 \| fine	13.983 \| good	0.455 \| good	2.882 \| good	0.264 \| good
2025-06-08T11:00:00.000Z	60 \| moderate	13.748 \| fine	61.458 \| fine	17.574 \| good	0.433 \| good	3.026 \| good	0.249 \| good
2025-06-08T12:00:00.000Z	69 \| moderate	18.96 \| fine	84.041 \| fine	14.316 \| good	0.412 \| good	3.171 \| good	0.235 \| good
2025-06-08T13:00:00.000Z	71 \| moderate	20.01 \| fine	88.008 \| fine	15.584 \| good	0.329 \| good	2.6 \| good	0.22 \| good
2025-06-08T14:00:00.000Z	69 \| moderate	18.565 \| fine	81.425 \| fine	14.723 \| good	0.322 \| good	2.619 \| good	0.212 \| good
2025-06-08T15:00:00.000Z	64 \| moderate	16.114 \| fine	71.775 \| fine	19.743 \| good	0.316 \| good	2.638 \| good	0.203 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	16.1 \| fine	71.725 \| fine	27.728 \| good	0.292 \| good	1.949 \| good	0.213 \| good
2025-06-08T17:00:00.000Z	67 \| moderate	18.001 \| fine	79.402 \| fine	38.199 \| good	0.284 \| good	1.957 \| good	0.21 \| good
2025-06-08T18:00:00.000Z	62 \| moderate	14.64 \| fine	65.808 \| fine	33.731 \| good	0.275 \| good	1.965 \| good	0.206 \| good
2025-06-08T19:00:00.000Z	58 \| moderate	13.476 \| fine	60.905 \| fine	38.874 \| good	0.336 \| good	2.189 \| good	0.213 \| good
2025-06-08T20:00:00.000Z	62 \| moderate	15.026 \| fine	67.343 \| fine	47.048 \| good	0.311 \| good	2.193 \| good	0.21 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	13.297 \| fine	59.729 \| fine	42.726 \| good	0.286 \| good	2.197 \| good	0.206 \| good
2025-06-08T22:00:00.000Z	58 \| moderate	12.865 \| fine	57.948 \| fine	35.348 \| good	0.442 \| good	5.9 \| good	0.246 \| good
2025-06-08T23:00:00.000Z	56 \| moderate	12.463 \| fine	55.784 \| fine	37.275 \| good	0.402 \| good	5.851 \| good	0.244 \| good
2025-06-09T00:00:00.000Z	52 \| moderate	10.253 \| good	45.348 \| good	38.819 \| good	0.363 \| good	5.803 \| good	0.242 \| good
2025-06-09T01:00:00.000Z	54 \| moderate	10.541 \| good	46.548 \| good	40.269 \| good	0.635 \| good	7.95 \| good	0.26 \| good
2025-06-09T02:00:00.000Z	52 \| moderate	10.093 \| good	44.952 \| good	42.958 \| good	0.572 \| good	8.023 \| good	0.264 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	9.714 \| good	43.239 \| good	43.999 \| good	0.509 \| good	8.096 \| good	0.269 \| good
2025-06-09T04:00:00.000Z	49 \| good	9.417 \| good	42 \| good	44.947 \| good	0.757 \| good	10.066 \| good	0.28 \| good
2025-06-09T05:00:00.000Z	49 \| good	9.067 \| good	40.478 \| good	40.425 \| good	0.674 \| good	10.086 \| good	0.286 \| good
2025-06-09T06:00:00.000Z	56 \| moderate	11.858 \| good	12.516 \| good	28.238 \| good	0.589 \| good	10.158 \| good	0.293 \| good
2025-06-09T07:00:00.000Z	44 \| good	8.123 \| good	35.57 \| good	35.203 \| good	0.759 \| good	9.241 \| good	0.286 \| good
2025-06-09T08:00:00.000Z	38 \| good	6.722 \| good	29.886 \| good	34.485 \| good	0.701 \| good	8.819 \| good	0.288 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.753 \| good	34.163 \| good	29.706 \| good	0.643 \| good	8.397 \| good	0.29 \| good
2025-06-09T10:00:00.000Z	44 \| good	8.12 \| good	35.319 \| good	23.088 \| good	0.861 \| good	4.534 \| good	0.263 \| good

New Haven

Empower business decisions with accurate air quality data

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

0.25ppm

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 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 10:00:00 on 2025-06-06.

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 07:00:00 on 2025-06-07.

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

The real-time air quality index in New Haven, Connecticut is 56, 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 12.435 μg/m³.

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

The current PM₁₀ levels in New Haven, Connecticut are 30.767 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 0.261 ppm.

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

The current sulfur dioxide (SO₂) levels in New Haven, Connecticut are 0.577 ppb.

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

The current ozone (O₃) levels at New Haven, Connecticut is 26.001 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Haven, Connecticut is 26.411 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-05T12:00:00.000Z	60 \| moderate	13.881 \| fine	32.989 \| good	19.341 \| good	0.514 \| good	23.483 \| good	0.38 \| good
2025-06-05T13:00:00.000Z	62 \| moderate	15.245 \| fine	42.882 \| good	22.615 \| good	0.441 \| good	24.489 \| good	0.428 \| good
2025-06-05T14:00:00.000Z	64 \| moderate	15.761 \| fine	35.294 \| good	22.238 \| good	0.526 \| good	30.139 \| good	0.341 \| good
2025-06-05T15:00:00.000Z	67 \| moderate	17.904 \| fine	37.813 \| good	26.777 \| good	1.068 \| good	35.699 \| good	0.362 \| good
2025-06-05T16:00:00.000Z	67 \| moderate	18.451 \| fine	49.963 \| good	23.227 \| good	1.19 \| good	44.454 \| good	0.375 \| good
2025-06-05T17:00:00.000Z	69 \| moderate	19.075 \| fine	36.52 \| good	56.09 \| fine	0.944 \| good	47.42 \| good	0.361 \| good
2025-06-05T18:00:00.000Z	77 \| moderate	20.672 \| fine	54.216 \| good	63.119 \| fine	0.786 \| good	36.652 \| good	0.347 \| good
2025-06-05T19:00:00.000Z	69 \| moderate	19.173 \| fine	84.257 \| fine	58.792 \| fine	0.906 \| good	38.395 \| good	0.353 \| good
2025-06-05T20:00:00.000Z	73 \| moderate	21.235 \| fine	79.478 \| fine	61.357 \| fine	0.81 \| good	34.307 \| good	0.427 \| good
2025-06-05T21:00:00.000Z	73 \| moderate	21.317 \| fine	91.632 \| fine	59.438 \| fine	0.619 \| good	20.992 \| good	0.401 \| good
2025-06-05T22:00:00.000Z	101 \| sensitive	21.662 \| fine	81.107 \| fine	71.3 \| moderate	0.508 \| good	18.064 \| good	0.407 \| good
2025-06-05T23:00:00.000Z	90 \| moderate	17.752 \| fine	72.018 \| fine	67.181 \| fine	0.472 \| good	18.451 \| good	0.352 \| good
2025-06-06T00:00:00.000Z	75 \| moderate	22.138 \| fine	49.653 \| good	61.233 \| fine	0.442 \| good	22.159 \| good	0.372 \| good
2025-06-06T01:00:00.000Z	64 \| moderate	14.508 \| fine	61.914 \| fine	59.367 \| fine	0.495 \| good	10.676 \| good	0.299 \| good
2025-06-06T02:00:00.000Z	74 \| moderate	16.231 \| fine	45.305 \| good	62.153 \| fine	0.938 \| good	9.902 \| good	0.28 \| good
2025-06-06T03:00:00.000Z	67 \| moderate	17.757 \| fine	62.295 \| fine	53.641 \| good	0.694 \| good	10.482 \| good	0.28 \| good
2025-06-06T04:00:00.000Z	67 \| moderate	18.347 \| fine	37.231 \| good	42.344 \| good	0.397 \| good	12.986 \| good	0.212 \| good
2025-06-06T05:00:00.000Z	62 \| moderate	14.918 \| fine	36.812 \| good	56.22 \| fine	0.324 \| good	12.202 \| good	0.199 \| good
2025-06-06T06:00:00.000Z	67 \| moderate	18.424 \| fine	36.785 \| good	43.26 \| good	0.366 \| good	15.657 \| good	0.174 \| good
2025-06-06T07:00:00.000Z	67 \| moderate	18.003 \| fine	47.393 \| good	40.616 \| good	0.283 \| good	13.77 \| good	0.166 \| good
2025-06-06T08:00:00.000Z	66 \| moderate	17.375 \| fine	28.291 \| good	33.779 \| good	0.264 \| good	11.89 \| good	0.166 \| good
2025-06-06T09:00:00.000Z	64 \| moderate	15.6 \| fine	39.647 \| good	23.645 \| good	0.566 \| good	9.896 \| good	0.166 \| good
2025-06-06T10:00:00.000Z	66 \| moderate	16.941 \| fine	53.295 \| good	20.549 \| good	0.528 \| good	25.33 \| good	0.166 \| good
2025-06-06T11:00:00.000Z	71 \| moderate	20.143 \| fine	59.745 \| fine	25.298 \| good	0.244 \| good	24.789 \| good	0.26 \| good
2025-06-06T12:00:00.000Z	67 \| moderate	18.247 \| fine	67.709 \| fine	22.044 \| good	0.526 \| good	15.344 \| good	0.361 \| good
2025-06-06T13:00:00.000Z	67 \| moderate	17.643 \| fine	69.853 \| fine	26.176 \| good	0.378 \| good	18.88 \| good	0.308 \| good
2025-06-06T14:00:00.000Z	66 \| moderate	16.561 \| fine	35.98 \| good	23.839 \| good	0.319 \| good	13.061 \| good	0.261 \| good
2025-06-06T15:00:00.000Z	64 \| moderate	15.974 \| fine	49.058 \| good	32.946 \| good	0.334 \| good	12.13 \| good	0.327 \| good
2025-06-06T16:00:00.000Z	62 \| moderate	14.546 \| fine	65.954 \| fine	42.359 \| good	0.35 \| good	6.492 \| good	0.328 \| good
2025-06-06T17:00:00.000Z	64 \| moderate	15.945 \| fine	58.069 \| fine	43.717 \| good	0.376 \| good	8.546 \| good	0.341 \| good
2025-06-06T18:00:00.000Z	71 \| moderate	19.602 \| fine	60.77 \| fine	54.178 \| good	0.373 \| good	11.104 \| good	0.341 \| good
2025-06-06T19:00:00.000Z	75 \| moderate	22.178 \| fine	79.038 \| fine	56.308 \| fine	0.35 \| good	8.093 \| good	0.327 \| good
2025-06-06T20:00:00.000Z	97 \| moderate	20.222 \| fine	46.323 \| good	69.095 \| fine	0.323 \| good	8.38 \| good	0.314 \| good
2025-06-06T21:00:00.000Z	69 \| moderate	18.64 \| fine	67.835 \| fine	53.349 \| good	0.34 \| good	9.954 \| good	0.334 \| good
2025-06-06T22:00:00.000Z	66 \| moderate	17.197 \| fine	59.865 \| fine	56.332 \| fine	0.342 \| good	11.089 \| good	0.28 \| good
2025-06-06T23:00:00.000Z	74 \| moderate	19.133 \| fine	64.851 \| fine	62.159 \| fine	0.361 \| good	17.581 \| good	0.279 \| good
2025-06-07T00:00:00.000Z	60 \| moderate	14.242 \| fine	32.666 \| good	55.583 \| fine	0.267 \| good	21.586 \| good	0.248 \| good
2025-06-07T01:00:00.000Z	54 \| moderate	11.433 \| good	38.432 \| good	39.133 \| good	0.282 \| good	3.781 \| good	0.181 \| good
2025-06-07T02:00:00.000Z	56 \| moderate	12.077 \| good	28.664 \| good	45.417 \| good	0.584 \| good	5.394 \| good	0.187 \| good
2025-06-07T03:00:00.000Z	56 \| moderate	12.183 \| fine	28.498 \| good	30.149 \| good	0.613 \| good	4.977 \| good	0.174 \| good
2025-06-07T04:00:00.000Z	56 \| moderate	11.801 \| good	30.985 \| good	27.938 \| good	0.622 \| good	5.319 \| good	0.173 \| good
2025-06-07T05:00:00.000Z	54 \| moderate	11.025 \| good	25.215 \| good	27.729 \| good	0.928 \| good	5.259 \| good	0.332 \| good
2025-06-07T06:00:00.000Z	54 \| moderate	10.661 \| good	17.673 \| good	27.948 \| good	0.896 \| good	5.55 \| good	0.317 \| good
2025-06-07T07:00:00.000Z	49 \| good	8.966 \| good	28.99 \| good	24.908 \| good	0.602 \| good	7.146 \| good	0.304 \| good
2025-06-07T08:00:00.000Z	49 \| good	9.136 \| good	28.942 \| good	19.975 \| good	0.611 \| good	5.17 \| good	0.333 \| good
2025-06-07T09:00:00.000Z	54 \| moderate	10.72 \| good	24.486 \| good	16.703 \| good	0.59 \| good	8.996 \| good	0.275 \| good
2025-06-07T10:00:00.000Z	54 \| moderate	10.805 \| good	28.722 \| good	17.263 \| good	0.61 \| good	8.933 \| good	0.174 \| good
2025-06-07T11:00:00.000Z	52 \| moderate	10.355 \| good	39.417 \| good	21.25 \| good	0.446 \| good	3.911 \| good	0.29 \| good
2025-06-07T10:00:00.000Z	56 \| moderate	12.435 \| fine	30.767 \| good	26.001 \| good	0.577 \| good	26.411 \| good	0.261 \| good
2025-06-07T11:00:00.000Z	49 \| good	9.417 \| good	42.074 \| good	25.283 \| good	0.492 \| good	4.326 \| good	0.152 \| good
2025-06-07T12:00:00.000Z	54 \| moderate	10.836 \| good	48.087 \| good	24.109 \| good	0.328 \| good	3.879 \| good	0.154 \| good
2025-06-07T13:00:00.000Z	54 \| moderate	10.85 \| good	48.097 \| good	25.072 \| good	0.817 \| good	5.569 \| good	0.158 \| good
2025-06-07T14:00:00.000Z	56 \| moderate	11.945 \| good	53.094 \| good	20.516 \| good	0.634 \| good	5.236 \| good	0.161 \| good
2025-06-07T15:00:00.000Z	56 \| moderate	12.367 \| fine	55.447 \| fine	19.833 \| good	0.451 \| good	4.903 \| good	0.164 \| good
2025-06-07T16:00:00.000Z	56 \| moderate	11.961 \| good	53.182 \| good	25.828 \| good	0.984 \| good	4.376 \| good	0.18 \| good
2025-06-07T17:00:00.000Z	56 \| moderate	11.94 \| good	53.247 \| good	36.879 \| good	0.866 \| good	4.612 \| good	0.183 \| good
2025-06-07T18:00:00.000Z	49 \| good	9.002 \| good	39.591 \| good	33.995 \| good	0.747 \| good	4.847 \| good	0.186 \| good
2025-06-07T19:00:00.000Z	44 \| good	8.268 \| good	36.198 \| good	39.101 \| good	0.668 \| good	3.831 \| good	0.201 \| good
2025-06-07T20:00:00.000Z	49 \| good	8.974 \| good	39.399 \| good	40.92 \| good	0.671 \| good	4.283 \| good	0.203 \| good
2025-06-07T21:00:00.000Z	49 \| good	9.344 \| good	41.346 \| good	43.188 \| good	0.674 \| good	4.735 \| good	0.205 \| good
2025-06-07T22:00:00.000Z	52 \| moderate	10.422 \| good	46.016 \| good	39.79 \| good	0.553 \| good	5.779 \| good	0.227 \| good
2025-06-07T23:00:00.000Z	62 \| moderate	14.616 \| fine	65.477 \| fine	34.794 \| good	0.564 \| good	6.029 \| good	0.224 \| good
2025-06-08T00:00:00.000Z	44 \| good	7.973 \| good	34.765 \| good	37.587 \| good	0.574 \| good	6.279 \| good	0.221 \| good
2025-06-08T01:00:00.000Z	44 \| good	7.537 \| good	33.214 \| good	32.339 \| good	0.568 \| good	7.721 \| good	0.263 \| good
2025-06-08T02:00:00.000Z	38 \| good	7.141 \| good	31.393 \| good	28.203 \| good	0.569 \| good	7.726 \| good	0.259 \| good
2025-06-08T03:00:00.000Z	49 \| good	8.713 \| good	38.911 \| good	26.191 \| good	0.571 \| good	7.731 \| good	0.256 \| good
2025-06-08T04:00:00.000Z	54 \| moderate	11.071 \| good	49.374 \| good	26.519 \| good	0.552 \| good	4.705 \| good	0.269 \| good
2025-06-08T05:00:00.000Z	58 \| moderate	12.915 \| fine	57.915 \| fine	24.515 \| good	0.552 \| good	4.76 \| good	0.267 \| good
2025-06-08T06:00:00.000Z	58 \| moderate	12.67 \| fine	56.817 \| fine	19.833 \| good	0.553 \| good	4.816 \| good	0.265 \| good
2025-06-08T07:00:00.000Z	54 \| moderate	10.907 \| good	48.397 \| good	13.361 \| good	0.55 \| good	2.679 \| good	0.277 \| good
2025-06-08T08:00:00.000Z	49 \| good	8.85 \| good	39.292 \| good	11.12 \| good	0.522 \| good	2.654 \| good	0.269 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.611 \| good	42.962 \| good	8.349 \| good	0.493 \| good	2.628 \| good	0.261 \| good
2025-06-08T10:00:00.000Z	58 \| moderate	12.751 \| fine	57.22 \| fine	13.983 \| good	0.455 \| good	2.882 \| good	0.264 \| good
2025-06-08T11:00:00.000Z	60 \| moderate	13.748 \| fine	61.458 \| fine	17.574 \| good	0.433 \| good	3.026 \| good	0.249 \| good
2025-06-08T12:00:00.000Z	69 \| moderate	18.96 \| fine	84.041 \| fine	14.316 \| good	0.412 \| good	3.171 \| good	0.235 \| good
2025-06-08T13:00:00.000Z	71 \| moderate	20.01 \| fine	88.008 \| fine	15.584 \| good	0.329 \| good	2.6 \| good	0.22 \| good
2025-06-08T14:00:00.000Z	69 \| moderate	18.565 \| fine	81.425 \| fine	14.723 \| good	0.322 \| good	2.619 \| good	0.212 \| good
2025-06-08T15:00:00.000Z	64 \| moderate	16.114 \| fine	71.775 \| fine	19.743 \| good	0.316 \| good	2.638 \| good	0.203 \| good
2025-06-08T16:00:00.000Z	64 \| moderate	16.1 \| fine	71.725 \| fine	27.728 \| good	0.292 \| good	1.949 \| good	0.213 \| good
2025-06-08T17:00:00.000Z	67 \| moderate	18.001 \| fine	79.402 \| fine	38.199 \| good	0.284 \| good	1.957 \| good	0.21 \| good
2025-06-08T18:00:00.000Z	62 \| moderate	14.64 \| fine	65.808 \| fine	33.731 \| good	0.275 \| good	1.965 \| good	0.206 \| good
2025-06-08T19:00:00.000Z	58 \| moderate	13.476 \| fine	60.905 \| fine	38.874 \| good	0.336 \| good	2.189 \| good	0.213 \| good
2025-06-08T20:00:00.000Z	62 \| moderate	15.026 \| fine	67.343 \| fine	47.048 \| good	0.311 \| good	2.193 \| good	0.21 \| good
2025-06-08T21:00:00.000Z	58 \| moderate	13.297 \| fine	59.729 \| fine	42.726 \| good	0.286 \| good	2.197 \| good	0.206 \| good
2025-06-08T22:00:00.000Z	58 \| moderate	12.865 \| fine	57.948 \| fine	35.348 \| good	0.442 \| good	5.9 \| good	0.246 \| good
2025-06-08T23:00:00.000Z	56 \| moderate	12.463 \| fine	55.784 \| fine	37.275 \| good	0.402 \| good	5.851 \| good	0.244 \| good
2025-06-09T00:00:00.000Z	52 \| moderate	10.253 \| good	45.348 \| good	38.819 \| good	0.363 \| good	5.803 \| good	0.242 \| good
2025-06-09T01:00:00.000Z	54 \| moderate	10.541 \| good	46.548 \| good	40.269 \| good	0.635 \| good	7.95 \| good	0.26 \| good
2025-06-09T02:00:00.000Z	52 \| moderate	10.093 \| good	44.952 \| good	42.958 \| good	0.572 \| good	8.023 \| good	0.264 \| good
2025-06-09T03:00:00.000Z	52 \| moderate	9.714 \| good	43.239 \| good	43.999 \| good	0.509 \| good	8.096 \| good	0.269 \| good
2025-06-09T04:00:00.000Z	49 \| good	9.417 \| good	42 \| good	44.947 \| good	0.757 \| good	10.066 \| good	0.28 \| good
2025-06-09T05:00:00.000Z	49 \| good	9.067 \| good	40.478 \| good	40.425 \| good	0.674 \| good	10.086 \| good	0.286 \| good
2025-06-09T06:00:00.000Z	56 \| moderate	11.858 \| good	12.516 \| good	28.238 \| good	0.589 \| good	10.158 \| good	0.293 \| good
2025-06-09T07:00:00.000Z	44 \| good	8.123 \| good	35.57 \| good	35.203 \| good	0.759 \| good	9.241 \| good	0.286 \| good
2025-06-09T08:00:00.000Z	38 \| good	6.722 \| good	29.886 \| good	34.485 \| good	0.701 \| good	8.819 \| good	0.288 \| good
2025-06-09T09:00:00.000Z	44 \| good	7.753 \| good	34.163 \| good	29.706 \| good	0.643 \| good	8.397 \| good	0.29 \| good
2025-06-09T10:00:00.000Z	44 \| good	8.12 \| good	35.319 \| good	23.088 \| good	0.861 \| good	4.534 \| good	0.263 \| good

Live air quality index in New Haven, Connecticut today

Major 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?