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

The current PM10 levels in New Haven, Connecticut are 34.111 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 1.384 ppb.

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

The current ozone (O3) levels at New Haven, Connecticut is 17.159 ppm.

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

The current nitrogen dioxide (NO2) levels at New Haven, Connecticut is 40.762 ppb.

Real-time 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)

Common air pollutants in New Haven, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

11.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.21 μg/m³

155

255

425

605+

Ozone (O₃)

58.95 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

25.04 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-07-29T00:00:00.000Z	56 \| moderate	11.64 \| good	21.665 \| good	40.953 \| good	0.36 \| good	14.016 \| good	0.292 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	11.446 \| good	53.11 \| good	44.269 \| good	0.326 \| good	4.286 \| good	0.28 \| good
2025-07-29T02:00:00.000Z	56 \| moderate	11.663 \| good	22.36 \| good	45.209 \| good	0.442 \| good	8.387 \| good	0.218 \| good
2025-07-29T03:00:00.000Z	54 \| moderate	11.394 \| good	19.588 \| good	38.299 \| good	0.504 \| good	9.437 \| good	0.229 \| good
2025-07-29T04:00:00.000Z	54 \| moderate	11.339 \| good	19.509 \| good	38.127 \| good	0.195 \| good	9.158 \| good	0.233 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	12.767 \| fine	38.903 \| good	34.556 \| good	0.959 \| good	12.575 \| good	0.418 \| good
2025-07-29T06:00:00.000Z	54 \| moderate	11.004 \| good	22.831 \| good	30.328 \| good	0.337 \| good	11.619 \| good	0.226 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.286 \| fine	28.96 \| good	15.904 \| good	0.774 \| good	8.164 \| good	0.407 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	14.856 \| fine	38.823 \| good	14.898 \| good	0.744 \| good	7.828 \| good	0.407 \| good
2025-07-29T09:00:00.000Z	54 \| moderate	11.367 \| good	22.229 \| good	20.436 \| good	0.726 \| good	18.264 \| good	0.226 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.825 \| fine	62.226 \| fine	10.516 \| good	0.723 \| good	10.831 \| good	0.392 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	13.873 \| fine	47.694 \| good	17.852 \| good	0.746 \| good	11.433 \| good	0.436 \| good
2025-07-29T12:00:00.000Z	58 \| moderate	13.042 \| fine	21.98 \| good	11.233 \| good	0.231 \| good	19.818 \| good	0.497 \| good
2025-07-29T13:00:00.000Z	58 \| moderate	12.764 \| fine	35.741 \| good	16.505 \| good	0.871 \| good	15.074 \| good	0.566 \| good
2025-07-29T14:00:00.000Z	62 \| moderate	14.883 \| fine	34.588 \| good	10.997 \| good	0.504 \| good	20.606 \| good	0.326 \| good
2025-07-29T15:00:00.000Z	64 \| moderate	15.722 \| fine	35.022 \| good	18.219 \| good	1.306 \| good	35.826 \| good	0.404 \| good
2025-07-29T16:00:00.000Z	66 \| moderate	17.425 \| fine	38.744 \| good	21.01 \| good	1.214 \| good	34.38 \| good	0.388 \| good
2025-07-29T17:00:00.000Z	69 \| moderate	18.794 \| fine	37.653 \| good	27.775 \| good	0.726 \| good	29 \| good	0.383 \| good
2025-07-29T18:00:00.000Z	81 \| moderate	24.817 \| fine	59.281 \| fine	31.162 \| good	0.569 \| good	20.917 \| good	0.444 \| good
2025-07-29T19:00:00.000Z	79 \| moderate	23.765 \| fine	34.947 \| good	52.884 \| good	0.544 \| good	21.063 \| good	0.322 \| good
2025-07-29T20:00:00.000Z	75 \| moderate	21.76 \| fine	39.55 \| good	50.924 \| good	0.811 \| good	53.453 \| good	0.305 \| good
2025-07-29T21:00:00.000Z	71 \| moderate	19.867 \| fine	50.787 \| good	49.39 \| good	0.971 \| good	50.349 \| good	0.273 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.282 \| good	43.885 \| good	48.691 \| good	0.995 \| good	3.013 \| good	0.284 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	11.394 \| good	23.804 \| good	46.733 \| good	1.043 \| good	2.435 \| good	0.313 \| good
2025-07-30T00:00:00.000Z	56 \| moderate	11.608 \| good	39.198 \| good	41.866 \| good	0.978 \| good	3.638 \| good	0.313 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	12.553 \| fine	46.38 \| good	49.055 \| good	0.945 \| good	2.986 \| good	0.254 \| good
2025-07-30T02:00:00.000Z	67 \| moderate	12.311 \| fine	33.655 \| good	60.02 \| fine	0.853 \| good	6.619 \| good	0.3 \| good
2025-07-30T03:00:00.000Z	82 \| moderate	25.854 \| fine	112.805 \| fine	34.671 \| good	0.909 \| good	9.01 \| good	0.258 \| good
2025-07-30T04:00:00.000Z	66 \| moderate	17.38 \| fine	33.13 \| good	38.96 \| good	0.438 \| good	24.554 \| good	0.133 \| good
2025-07-30T05:00:00.000Z	67 \| moderate	17.626 \| fine	38.533 \| good	42.504 \| good	0.386 \| good	17.122 \| good	0.134 \| good
2025-07-30T06:00:00.000Z	67 \| moderate	17.644 \| fine	32.739 \| good	41.544 \| good	0.36 \| good	16.864 \| good	0.213 \| good
2025-07-30T07:00:00.000Z	67 \| moderate	18.215 \| fine	33.743 \| good	40.72 \| good	0.294 \| good	17.299 \| good	0.207 \| good
2025-07-30T08:00:00.000Z	69 \| moderate	18.512 \| fine	31.119 \| good	37.622 \| good	0.448 \| good	17.345 \| good	0.207 \| good
2025-07-30T09:00:00.000Z	66 \| moderate	16.807 \| fine	28.125 \| good	31.336 \| good	0.336 \| good	17.615 \| good	0.203 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	11.732 \| good	48.327 \| good	19.156 \| good	0.267 \| good	8.283 \| good	0.271 \| good
2025-07-30T11:00:00.000Z	58 \| moderate	12.985 \| fine	22.85 \| good	21.578 \| good	0.306 \| good	21.829 \| good	0.213 \| good
2025-07-30T12:00:00.000Z	54 \| moderate	10.61 \| good	24.443 \| good	12.664 \| good	0.288 \| good	13.755 \| good	0.299 \| good
2025-07-30T13:00:00.000Z	49 \| good	9.106 \| good	19.49 \| good	23.907 \| good	0.325 \| good	10.226 \| good	0.338 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.387 \| good	21.267 \| good	28.847 \| good	0.208 \| good	11.237 \| good	0.213 \| good
2025-07-30T15:00:00.000Z	54 \| moderate	10.875 \| good	23.168 \| good	28.914 \| good	0.366 \| good	15.765 \| good	0.306 \| good
2025-07-30T16:00:00.000Z	54 \| moderate	11.17 \| good	23.202 \| good	36.166 \| good	0.431 \| good	19.898 \| good	0.367 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.54 \| good	23.46 \| good	42.664 \| good	0.451 \| good	15.171 \| good	0.296 \| good
2025-07-30T18:00:00.000Z	56 \| moderate	11.806 \| good	27.357 \| good	48.642 \| good	0.36 \| good	12.904 \| good	0.294 \| good
2025-07-30T19:00:00.000Z	56 \| moderate	11.592 \| good	26.986 \| good	50.598 \| good	0.431 \| good	10.514 \| good	0.209 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	11.331 \| good	24.779 \| good	52.627 \| good	0.278 \| good	8.266 \| good	0.209 \| good
2025-07-30T21:00:00.000Z	61 \| moderate	11.437 \| good	23.923 \| good	57.566 \| fine	0.791 \| good	31.581 \| good	0.211 \| good
2025-07-30T22:00:00.000Z	64 \| moderate	11.966 \| good	29.566 \| good	58.75 \| fine	0.454 \| good	21.735 \| good	0.301 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	11.881 \| good	27.21 \| good	58.951 \| fine	0.403 \| good	25.043 \| good	0.3 \| good
2025-07-29T16:00:00.000Z	82 \| moderate	26.274 \| fine	114.85 \| fine	55.374 \| fine	0.895 \| good	3.103 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	82 \| moderate	26.132 \| fine	113.973 \| fine	51.065 \| good	0.741 \| good	2.392 \| good	0.227 \| good
2025-07-29T18:00:00.000Z	81 \| moderate	24.999 \| fine	108.558 \| fine	48.616 \| good	0.587 \| good	1.682 \| good	0.219 \| good
2025-07-29T19:00:00.000Z	73 \| moderate	21.296 \| fine	93.612 \| fine	51.262 \| good	0.597 \| good	1.753 \| good	0.213 \| good
2025-07-29T20:00:00.000Z	71 \| moderate	20.446 \| fine	89.85 \| fine	45.187 \| good	0.607 \| good	1.825 \| good	0.208 \| good
2025-07-29T21:00:00.000Z	67 \| moderate	18.496 \| fine	81.818 \| fine	48.204 \| good	0.617 \| good	1.896 \| good	0.202 \| good
2025-07-29T22:00:00.000Z	66 \| moderate	16.795 \| fine	74.069 \| fine	41.239 \| good	0.62 \| good	3.107 \| good	0.21 \| good
2025-07-29T23:00:00.000Z	75 \| moderate	22.063 \| fine	96.494 \| fine	40.5 \| good	0.624 \| good	4.317 \| good	0.217 \| good
2025-07-30T00:00:00.000Z	79 \| moderate	23.977 \| fine	104.805 \| fine	40.994 \| good	0.627 \| good	5.527 \| good	0.224 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.321 \| fine	102.125 \| fine	37.065 \| good	0.683 \| good	6.253 \| good	0.229 \| good
2025-07-30T02:00:00.000Z	79 \| moderate	24.263 \| fine	105.99 \| fine	33.611 \| good	0.739 \| good	6.979 \| good	0.235 \| good
2025-07-30T03:00:00.000Z	82 \| moderate	25.699 \| fine	112.638 \| fine	24.21 \| good	0.795 \| good	7.704 \| good	0.24 \| good
2025-07-30T04:00:00.000Z	79 \| moderate	23.803 \| fine	104.483 \| fine	21.045 \| good	0.784 \| good	7.206 \| good	0.233 \| good
2025-07-30T05:00:00.000Z	73 \| moderate	21.006 \| fine	92.505 \| fine	21.546 \| good	0.774 \| good	6.708 \| good	0.225 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	18.659 \| fine	82.073 \| fine	16.466 \| good	0.763 \| good	6.21 \| good	0.218 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	16.54 \| fine	73.692 \| fine	14.705 \| good	0.727 \| good	5.61 \| good	0.208 \| good
2025-07-30T08:00:00.000Z	60 \| moderate	14.286 \| fine	64.338 \| fine	15.885 \| good	0.692 \| good	5.01 \| good	0.198 \| good
2025-07-30T09:00:00.000Z	69 \| moderate	18.676 \| fine	82.612 \| fine	12.789 \| good	0.656 \| good	4.41 \| good	0.189 \| good
2025-07-30T10:00:00.000Z	67 \| moderate	18.137 \| fine	79.825 \| fine	10.328 \| good	0.648 \| good	4.366 \| good	0.193 \| good
2025-07-30T11:00:00.000Z	69 \| moderate	19.163 \| fine	84.687 \| fine	12.521 \| good	0.639 \| good	4.323 \| good	0.197 \| good
2025-07-30T12:00:00.000Z	73 \| moderate	20.503 \| fine	89.891 \| fine	23.505 \| good	0.631 \| good	4.279 \| good	0.202 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.794 \| fine	91.848 \| fine	37.333 \| good	0.616 \| good	4.013 \| good	0.204 \| good
2025-07-30T14:00:00.000Z	73 \| moderate	21.021 \| fine	92.69 \| fine	47.902 \| good	0.601 \| good	3.747 \| good	0.207 \| good
2025-07-30T15:00:00.000Z	75 \| moderate	21.944 \| fine	96.713 \| fine	49.925 \| good	0.585 \| good	3.481 \| good	0.21 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	22.01 \| fine	96.464 \| fine	51.607 \| good	0.627 \| good	2.885 \| good	0.21 \| good
2025-07-30T17:00:00.000Z	81 \| moderate	24.747 \| fine	108.406 \| fine	54.025 \| good	0.668 \| good	2.288 \| good	0.21 \| good
2025-07-30T18:00:00.000Z	81 \| moderate	24.628 \| fine	107.357 \| fine	64.142 \| fine	0.709 \| good	1.692 \| good	0.21 \| good
2025-07-30T19:00:00.000Z	100 \| moderate	23.594 \| fine	103.124 \| fine	70.006 \| fine	0.7 \| good	1.724 \| good	0.203 \| good
2025-07-30T20:00:00.000Z	105 \| sensitive	23.551 \| fine	103.22 \| fine	71.803 \| moderate	0.691 \| good	1.757 \| good	0.197 \| good
2025-07-30T21:00:00.000Z	90 \| moderate	23.266 \| fine	102.09 \| fine	66.692 \| fine	0.681 \| good	1.789 \| good	0.19 \| good
2025-07-30T22:00:00.000Z	84 \| moderate	23.407 \| fine	102.577 \| fine	64.699 \| fine	0.682 \| good	3.06 \| good	0.2 \| good
2025-07-30T23:00:00.000Z	84 \| moderate	26.704 \| fine	116.513 \| fine	63.806 \| fine	0.682 \| good	4.33 \| good	0.209 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.825 \| fine	99.723 \| fine	51.974 \| good	0.683 \| good	5.601 \| good	0.219 \| good
2025-07-31T01:00:00.000Z	73 \| moderate	21.316 \| fine	93.516 \| fine	48.731 \| good	0.733 \| good	6.661 \| good	0.232 \| good
2025-07-31T02:00:00.000Z	71 \| moderate	20.462 \| fine	89.729 \| fine	45.821 \| good	0.782 \| good	7.72 \| good	0.245 \| good
2025-07-31T03:00:00.000Z	71 \| moderate	19.531 \| fine	86.154 \| fine	36.638 \| good	0.832 \| good	8.78 \| good	0.259 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	16.015 \| fine	71.242 \| fine	33.781 \| good	0.893 \| good	9.543 \| good	0.266 \| good
2025-07-31T05:00:00.000Z	60 \| moderate	14.48 \| fine	64.927 \| fine	33.628 \| good	0.954 \| good	10.307 \| good	0.274 \| good
2025-07-31T06:00:00.000Z	60 \| moderate	13.845 \| fine	62.614 \| fine	32.938 \| good	1.014 \| good	11.07 \| good	0.282 \| good
2025-07-31T07:00:00.000Z	60 \| moderate	13.787 \| fine	62.209 \| fine	30.774 \| good	0.995 \| good	9.318 \| good	0.262 \| good
2025-07-31T08:00:00.000Z	60 \| moderate	13.844 \| fine	62.256 \| fine	29.204 \| good	0.976 \| good	7.566 \| good	0.242 \| good
2025-07-31T09:00:00.000Z	62 \| moderate	14.997 \| fine	67.436 \| fine	24.231 \| good	0.957 \| good	5.814 \| good	0.222 \| good
2025-07-31T10:00:00.000Z	64 \| moderate	16.326 \| fine	72.372 \| fine	19.639 \| good	0.923 \| good	5.144 \| good	0.212 \| good
2025-07-31T11:00:00.000Z	64 \| moderate	16.144 \| fine	72.363 \| fine	19.184 \| good	0.889 \| good	4.473 \| good	0.202 \| good
2025-07-31T12:00:00.000Z	75 \| moderate	22.363 \| fine	97.826 \| fine	25.102 \| good	0.855 \| good	3.803 \| good	0.192 \| good
2025-07-31T13:00:00.000Z	77 \| moderate	22.999 \| fine	100.402 \| fine	32.321 \| good	0.916 \| good	3.694 \| good	0.197 \| good
2025-07-31T14:00:00.000Z	77 \| moderate	23.289 \| fine	102.016 \| fine	35.729 \| good	0.977 \| good	3.584 \| good	0.201 \| good
2025-07-31T15:00:00.000Z	77 \| moderate	23.033 \| fine	100.542 \| fine	37.389 \| good	1.038 \| good	3.475 \| good	0.205 \| good

New Haven

Empower business decisions with accurate air quality data

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

0.33ppm

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 02:00:00 on 2025-07-29.

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 09:00:00 on 2025-07-28.

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

The real-time air quality index in New Haven, Connecticut is 64, 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 16.135 μg/m³.

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

The current PM₁₀ levels in New Haven, Connecticut are 34.111 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 0.4 ppm.

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

The current sulfur dioxide (SO₂) levels in New Haven, Connecticut are 1.384 ppb.

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

The current ozone (O₃) levels at New Haven, Connecticut is 17.159 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Haven, Connecticut is 40.762 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-29T00:00:00.000Z	56 \| moderate	11.64 \| good	21.665 \| good	40.953 \| good	0.36 \| good	14.016 \| good	0.292 \| good
2025-07-29T01:00:00.000Z	54 \| moderate	11.446 \| good	53.11 \| good	44.269 \| good	0.326 \| good	4.286 \| good	0.28 \| good
2025-07-29T02:00:00.000Z	56 \| moderate	11.663 \| good	22.36 \| good	45.209 \| good	0.442 \| good	8.387 \| good	0.218 \| good
2025-07-29T03:00:00.000Z	54 \| moderate	11.394 \| good	19.588 \| good	38.299 \| good	0.504 \| good	9.437 \| good	0.229 \| good
2025-07-29T04:00:00.000Z	54 \| moderate	11.339 \| good	19.509 \| good	38.127 \| good	0.195 \| good	9.158 \| good	0.233 \| good
2025-07-29T05:00:00.000Z	58 \| moderate	12.767 \| fine	38.903 \| good	34.556 \| good	0.959 \| good	12.575 \| good	0.418 \| good
2025-07-29T06:00:00.000Z	54 \| moderate	11.004 \| good	22.831 \| good	30.328 \| good	0.337 \| good	11.619 \| good	0.226 \| good
2025-07-29T07:00:00.000Z	58 \| moderate	13.286 \| fine	28.96 \| good	15.904 \| good	0.774 \| good	8.164 \| good	0.407 \| good
2025-07-29T08:00:00.000Z	62 \| moderate	14.856 \| fine	38.823 \| good	14.898 \| good	0.744 \| good	7.828 \| good	0.407 \| good
2025-07-29T09:00:00.000Z	54 \| moderate	11.367 \| good	22.229 \| good	20.436 \| good	0.726 \| good	18.264 \| good	0.226 \| good
2025-07-29T10:00:00.000Z	60 \| moderate	13.825 \| fine	62.226 \| fine	10.516 \| good	0.723 \| good	10.831 \| good	0.392 \| good
2025-07-29T11:00:00.000Z	60 \| moderate	13.873 \| fine	47.694 \| good	17.852 \| good	0.746 \| good	11.433 \| good	0.436 \| good
2025-07-29T12:00:00.000Z	58 \| moderate	13.042 \| fine	21.98 \| good	11.233 \| good	0.231 \| good	19.818 \| good	0.497 \| good
2025-07-29T13:00:00.000Z	58 \| moderate	12.764 \| fine	35.741 \| good	16.505 \| good	0.871 \| good	15.074 \| good	0.566 \| good
2025-07-29T14:00:00.000Z	62 \| moderate	14.883 \| fine	34.588 \| good	10.997 \| good	0.504 \| good	20.606 \| good	0.326 \| good
2025-07-29T15:00:00.000Z	64 \| moderate	15.722 \| fine	35.022 \| good	18.219 \| good	1.306 \| good	35.826 \| good	0.404 \| good
2025-07-29T16:00:00.000Z	66 \| moderate	17.425 \| fine	38.744 \| good	21.01 \| good	1.214 \| good	34.38 \| good	0.388 \| good
2025-07-29T17:00:00.000Z	69 \| moderate	18.794 \| fine	37.653 \| good	27.775 \| good	0.726 \| good	29 \| good	0.383 \| good
2025-07-29T18:00:00.000Z	81 \| moderate	24.817 \| fine	59.281 \| fine	31.162 \| good	0.569 \| good	20.917 \| good	0.444 \| good
2025-07-29T19:00:00.000Z	79 \| moderate	23.765 \| fine	34.947 \| good	52.884 \| good	0.544 \| good	21.063 \| good	0.322 \| good
2025-07-29T20:00:00.000Z	75 \| moderate	21.76 \| fine	39.55 \| good	50.924 \| good	0.811 \| good	53.453 \| good	0.305 \| good
2025-07-29T21:00:00.000Z	71 \| moderate	19.867 \| fine	50.787 \| good	49.39 \| good	0.971 \| good	50.349 \| good	0.273 \| good
2025-07-29T22:00:00.000Z	52 \| moderate	10.282 \| good	43.885 \| good	48.691 \| good	0.995 \| good	3.013 \| good	0.284 \| good
2025-07-29T23:00:00.000Z	54 \| moderate	11.394 \| good	23.804 \| good	46.733 \| good	1.043 \| good	2.435 \| good	0.313 \| good
2025-07-30T00:00:00.000Z	56 \| moderate	11.608 \| good	39.198 \| good	41.866 \| good	0.978 \| good	3.638 \| good	0.313 \| good
2025-07-30T01:00:00.000Z	58 \| moderate	12.553 \| fine	46.38 \| good	49.055 \| good	0.945 \| good	2.986 \| good	0.254 \| good
2025-07-30T02:00:00.000Z	67 \| moderate	12.311 \| fine	33.655 \| good	60.02 \| fine	0.853 \| good	6.619 \| good	0.3 \| good
2025-07-30T03:00:00.000Z	82 \| moderate	25.854 \| fine	112.805 \| fine	34.671 \| good	0.909 \| good	9.01 \| good	0.258 \| good
2025-07-30T04:00:00.000Z	66 \| moderate	17.38 \| fine	33.13 \| good	38.96 \| good	0.438 \| good	24.554 \| good	0.133 \| good
2025-07-30T05:00:00.000Z	67 \| moderate	17.626 \| fine	38.533 \| good	42.504 \| good	0.386 \| good	17.122 \| good	0.134 \| good
2025-07-30T06:00:00.000Z	67 \| moderate	17.644 \| fine	32.739 \| good	41.544 \| good	0.36 \| good	16.864 \| good	0.213 \| good
2025-07-30T07:00:00.000Z	67 \| moderate	18.215 \| fine	33.743 \| good	40.72 \| good	0.294 \| good	17.299 \| good	0.207 \| good
2025-07-30T08:00:00.000Z	69 \| moderate	18.512 \| fine	31.119 \| good	37.622 \| good	0.448 \| good	17.345 \| good	0.207 \| good
2025-07-30T09:00:00.000Z	66 \| moderate	16.807 \| fine	28.125 \| good	31.336 \| good	0.336 \| good	17.615 \| good	0.203 \| good
2025-07-30T10:00:00.000Z	56 \| moderate	11.732 \| good	48.327 \| good	19.156 \| good	0.267 \| good	8.283 \| good	0.271 \| good
2025-07-30T11:00:00.000Z	58 \| moderate	12.985 \| fine	22.85 \| good	21.578 \| good	0.306 \| good	21.829 \| good	0.213 \| good
2025-07-30T12:00:00.000Z	54 \| moderate	10.61 \| good	24.443 \| good	12.664 \| good	0.288 \| good	13.755 \| good	0.299 \| good
2025-07-30T13:00:00.000Z	49 \| good	9.106 \| good	19.49 \| good	23.907 \| good	0.325 \| good	10.226 \| good	0.338 \| good
2025-07-30T14:00:00.000Z	52 \| moderate	10.387 \| good	21.267 \| good	28.847 \| good	0.208 \| good	11.237 \| good	0.213 \| good
2025-07-30T15:00:00.000Z	54 \| moderate	10.875 \| good	23.168 \| good	28.914 \| good	0.366 \| good	15.765 \| good	0.306 \| good
2025-07-30T16:00:00.000Z	54 \| moderate	11.17 \| good	23.202 \| good	36.166 \| good	0.431 \| good	19.898 \| good	0.367 \| good
2025-07-30T17:00:00.000Z	56 \| moderate	11.54 \| good	23.46 \| good	42.664 \| good	0.451 \| good	15.171 \| good	0.296 \| good
2025-07-30T18:00:00.000Z	56 \| moderate	11.806 \| good	27.357 \| good	48.642 \| good	0.36 \| good	12.904 \| good	0.294 \| good
2025-07-30T19:00:00.000Z	56 \| moderate	11.592 \| good	26.986 \| good	50.598 \| good	0.431 \| good	10.514 \| good	0.209 \| good
2025-07-30T20:00:00.000Z	54 \| moderate	11.331 \| good	24.779 \| good	52.627 \| good	0.278 \| good	8.266 \| good	0.209 \| good
2025-07-30T21:00:00.000Z	61 \| moderate	11.437 \| good	23.923 \| good	57.566 \| fine	0.791 \| good	31.581 \| good	0.211 \| good
2025-07-30T22:00:00.000Z	64 \| moderate	11.966 \| good	29.566 \| good	58.75 \| fine	0.454 \| good	21.735 \| good	0.301 \| good
2025-07-30T23:00:00.000Z	64 \| moderate	11.881 \| good	27.21 \| good	58.951 \| fine	0.403 \| good	25.043 \| good	0.3 \| good
2025-07-29T16:00:00.000Z	82 \| moderate	26.274 \| fine	114.85 \| fine	55.374 \| fine	0.895 \| good	3.103 \| good	0.235 \| good
2025-07-29T17:00:00.000Z	82 \| moderate	26.132 \| fine	113.973 \| fine	51.065 \| good	0.741 \| good	2.392 \| good	0.227 \| good
2025-07-29T18:00:00.000Z	81 \| moderate	24.999 \| fine	108.558 \| fine	48.616 \| good	0.587 \| good	1.682 \| good	0.219 \| good
2025-07-29T19:00:00.000Z	73 \| moderate	21.296 \| fine	93.612 \| fine	51.262 \| good	0.597 \| good	1.753 \| good	0.213 \| good
2025-07-29T20:00:00.000Z	71 \| moderate	20.446 \| fine	89.85 \| fine	45.187 \| good	0.607 \| good	1.825 \| good	0.208 \| good
2025-07-29T21:00:00.000Z	67 \| moderate	18.496 \| fine	81.818 \| fine	48.204 \| good	0.617 \| good	1.896 \| good	0.202 \| good
2025-07-29T22:00:00.000Z	66 \| moderate	16.795 \| fine	74.069 \| fine	41.239 \| good	0.62 \| good	3.107 \| good	0.21 \| good
2025-07-29T23:00:00.000Z	75 \| moderate	22.063 \| fine	96.494 \| fine	40.5 \| good	0.624 \| good	4.317 \| good	0.217 \| good
2025-07-30T00:00:00.000Z	79 \| moderate	23.977 \| fine	104.805 \| fine	40.994 \| good	0.627 \| good	5.527 \| good	0.224 \| good
2025-07-30T01:00:00.000Z	77 \| moderate	23.321 \| fine	102.125 \| fine	37.065 \| good	0.683 \| good	6.253 \| good	0.229 \| good
2025-07-30T02:00:00.000Z	79 \| moderate	24.263 \| fine	105.99 \| fine	33.611 \| good	0.739 \| good	6.979 \| good	0.235 \| good
2025-07-30T03:00:00.000Z	82 \| moderate	25.699 \| fine	112.638 \| fine	24.21 \| good	0.795 \| good	7.704 \| good	0.24 \| good
2025-07-30T04:00:00.000Z	79 \| moderate	23.803 \| fine	104.483 \| fine	21.045 \| good	0.784 \| good	7.206 \| good	0.233 \| good
2025-07-30T05:00:00.000Z	73 \| moderate	21.006 \| fine	92.505 \| fine	21.546 \| good	0.774 \| good	6.708 \| good	0.225 \| good
2025-07-30T06:00:00.000Z	69 \| moderate	18.659 \| fine	82.073 \| fine	16.466 \| good	0.763 \| good	6.21 \| good	0.218 \| good
2025-07-30T07:00:00.000Z	66 \| moderate	16.54 \| fine	73.692 \| fine	14.705 \| good	0.727 \| good	5.61 \| good	0.208 \| good
2025-07-30T08:00:00.000Z	60 \| moderate	14.286 \| fine	64.338 \| fine	15.885 \| good	0.692 \| good	5.01 \| good	0.198 \| good
2025-07-30T09:00:00.000Z	69 \| moderate	18.676 \| fine	82.612 \| fine	12.789 \| good	0.656 \| good	4.41 \| good	0.189 \| good
2025-07-30T10:00:00.000Z	67 \| moderate	18.137 \| fine	79.825 \| fine	10.328 \| good	0.648 \| good	4.366 \| good	0.193 \| good
2025-07-30T11:00:00.000Z	69 \| moderate	19.163 \| fine	84.687 \| fine	12.521 \| good	0.639 \| good	4.323 \| good	0.197 \| good
2025-07-30T12:00:00.000Z	73 \| moderate	20.503 \| fine	89.891 \| fine	23.505 \| good	0.631 \| good	4.279 \| good	0.202 \| good
2025-07-30T13:00:00.000Z	73 \| moderate	20.794 \| fine	91.848 \| fine	37.333 \| good	0.616 \| good	4.013 \| good	0.204 \| good
2025-07-30T14:00:00.000Z	73 \| moderate	21.021 \| fine	92.69 \| fine	47.902 \| good	0.601 \| good	3.747 \| good	0.207 \| good
2025-07-30T15:00:00.000Z	75 \| moderate	21.944 \| fine	96.713 \| fine	49.925 \| good	0.585 \| good	3.481 \| good	0.21 \| good
2025-07-30T16:00:00.000Z	75 \| moderate	22.01 \| fine	96.464 \| fine	51.607 \| good	0.627 \| good	2.885 \| good	0.21 \| good
2025-07-30T17:00:00.000Z	81 \| moderate	24.747 \| fine	108.406 \| fine	54.025 \| good	0.668 \| good	2.288 \| good	0.21 \| good
2025-07-30T18:00:00.000Z	81 \| moderate	24.628 \| fine	107.357 \| fine	64.142 \| fine	0.709 \| good	1.692 \| good	0.21 \| good
2025-07-30T19:00:00.000Z	100 \| moderate	23.594 \| fine	103.124 \| fine	70.006 \| fine	0.7 \| good	1.724 \| good	0.203 \| good
2025-07-30T20:00:00.000Z	105 \| sensitive	23.551 \| fine	103.22 \| fine	71.803 \| moderate	0.691 \| good	1.757 \| good	0.197 \| good
2025-07-30T21:00:00.000Z	90 \| moderate	23.266 \| fine	102.09 \| fine	66.692 \| fine	0.681 \| good	1.789 \| good	0.19 \| good
2025-07-30T22:00:00.000Z	84 \| moderate	23.407 \| fine	102.577 \| fine	64.699 \| fine	0.682 \| good	3.06 \| good	0.2 \| good
2025-07-30T23:00:00.000Z	84 \| moderate	26.704 \| fine	116.513 \| fine	63.806 \| fine	0.682 \| good	4.33 \| good	0.209 \| good
2025-07-31T00:00:00.000Z	77 \| moderate	22.825 \| fine	99.723 \| fine	51.974 \| good	0.683 \| good	5.601 \| good	0.219 \| good
2025-07-31T01:00:00.000Z	73 \| moderate	21.316 \| fine	93.516 \| fine	48.731 \| good	0.733 \| good	6.661 \| good	0.232 \| good
2025-07-31T02:00:00.000Z	71 \| moderate	20.462 \| fine	89.729 \| fine	45.821 \| good	0.782 \| good	7.72 \| good	0.245 \| good
2025-07-31T03:00:00.000Z	71 \| moderate	19.531 \| fine	86.154 \| fine	36.638 \| good	0.832 \| good	8.78 \| good	0.259 \| good
2025-07-31T04:00:00.000Z	64 \| moderate	16.015 \| fine	71.242 \| fine	33.781 \| good	0.893 \| good	9.543 \| good	0.266 \| good
2025-07-31T05:00:00.000Z	60 \| moderate	14.48 \| fine	64.927 \| fine	33.628 \| good	0.954 \| good	10.307 \| good	0.274 \| good
2025-07-31T06:00:00.000Z	60 \| moderate	13.845 \| fine	62.614 \| fine	32.938 \| good	1.014 \| good	11.07 \| good	0.282 \| good
2025-07-31T07:00:00.000Z	60 \| moderate	13.787 \| fine	62.209 \| fine	30.774 \| good	0.995 \| good	9.318 \| good	0.262 \| good
2025-07-31T08:00:00.000Z	60 \| moderate	13.844 \| fine	62.256 \| fine	29.204 \| good	0.976 \| good	7.566 \| good	0.242 \| good
2025-07-31T09:00:00.000Z	62 \| moderate	14.997 \| fine	67.436 \| fine	24.231 \| good	0.957 \| good	5.814 \| good	0.222 \| good
2025-07-31T10:00:00.000Z	64 \| moderate	16.326 \| fine	72.372 \| fine	19.639 \| good	0.923 \| good	5.144 \| good	0.212 \| good
2025-07-31T11:00:00.000Z	64 \| moderate	16.144 \| fine	72.363 \| fine	19.184 \| good	0.889 \| good	4.473 \| good	0.202 \| good
2025-07-31T12:00:00.000Z	75 \| moderate	22.363 \| fine	97.826 \| fine	25.102 \| good	0.855 \| good	3.803 \| good	0.192 \| good
2025-07-31T13:00:00.000Z	77 \| moderate	22.999 \| fine	100.402 \| fine	32.321 \| good	0.916 \| good	3.694 \| good	0.197 \| good
2025-07-31T14:00:00.000Z	77 \| moderate	23.289 \| fine	102.016 \| fine	35.729 \| good	0.977 \| good	3.584 \| good	0.201 \| good
2025-07-31T15:00:00.000Z	77 \| moderate	23.033 \| fine	100.542 \| fine	37.389 \| good	1.038 \| good	3.475 \| good	0.205 \| 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?