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

The current PM10 levels in New Haven, Connecticut are 16.478 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 0.666 ppb.

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

The current ozone (O3) levels at New Haven, Connecticut is 26.98 ppm.

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

The current nitrogen dioxide (NO2) levels at New Haven, Connecticut is 4.947 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)

Good

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)

4.94 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.48 μg/m³

155

255

425

605+

Ozone (O₃)

26.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.67 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.95 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
2025-07-12T17:00:00.000Z	33 \| good	4.162 \| good	7.318 \| good	36.181 \| good	0.373 \| good	2.421 \| good	0.202 \| good
2025-07-12T18:00:00.000Z	39 \| good	4.059 \| good	7.254 \| good	41.973 \| good	0.349 \| good	2.033 \| good	0.203 \| good
2025-07-12T19:00:00.000Z	39 \| good	3.771 \| good	6.359 \| good	42.009 \| good	0.368 \| good	1.837 \| good	0.203 \| good
2025-07-12T20:00:00.000Z	38 \| good	3.842 \| good	7.26 \| good	41.005 \| good	0.136 \| good	1.838 \| good	0.202 \| good
2025-07-12T21:00:00.000Z	40 \| good	3.914 \| good	7.159 \| good	42.978 \| good	0.413 \| good	1.934 \| good	0.202 \| good
2025-07-12T22:00:00.000Z	41 \| good	4.1 \| good	8.087 \| good	44.012 \| good	0.486 \| good	1.941 \| good	0.203 \| good
2025-07-12T23:00:00.000Z	42 \| good	4.094 \| good	8.028 \| good	44.945 \| good	0.265 \| good	2.736 \| good	0.202 \| good
2025-07-13T00:00:00.000Z	43 \| good	3.798 \| good	7.103 \| good	45.823 \| good	0.357 \| good	2.752 \| good	0.203 \| good
2025-07-13T01:00:00.000Z	38 \| good	3.604 \| good	6.207 \| good	40.974 \| good	0.479 \| good	3.26 \| good	0.203 \| good
2025-07-13T02:00:00.000Z	30 \| good	4.334 \| good	10.245 \| good	32.21 \| good	0.424 \| good	5.474 \| good	0.316 \| good
2025-07-13T03:00:00.000Z	29 \| good	4.116 \| good	14.1 \| good	31.17 \| good	0.484 \| good	4.68 \| good	0.302 \| good
2025-07-13T04:00:00.000Z	30 \| good	3.456 \| good	14.419 \| good	32.149 \| good	0.66 \| good	3.919 \| good	0.302 \| good
2025-07-13T05:00:00.000Z	23 \| good	3.467 \| good	7.805 \| good	24.778 \| good	1.15 \| good	3.928 \| good	0.29 \| good
2025-07-13T06:00:00.000Z	31 \| good	3.617 \| good	7.377 \| good	32.94 \| good	1.17 \| good	2.427 \| good	0.27 \| good
2025-07-13T07:00:00.000Z	28 \| good	2.815 \| good	13.781 \| good	30.236 \| good	1.135 \| good	2.813 \| good	0.244 \| good
2025-07-13T08:00:00.000Z	29 \| good	3.396 \| good	14.599 \| good	30.74 \| good	1.154 \| good	2.653 \| good	0.244 \| good
2025-07-13T09:00:00.000Z	29 \| good	2.945 \| good	16.391 \| good	30.612 \| good	0.871 \| good	2.556 \| good	0.185 \| good
2025-07-13T10:00:00.000Z	28 \| good	2.814 \| good	14.461 \| good	29.663 \| good	0.817 \| good	1.925 \| good	0.199 \| good
2025-07-13T11:00:00.000Z	30 \| good	2.48 \| good	8.134 \| good	31.934 \| good	0.236 \| good	2.257 \| good	0.231 \| good
2025-07-13T12:00:00.000Z	28 \| good	2.868 \| good	8.873 \| good	29.926 \| good	0.266 \| good	2.625 \| good	0.231 \| good
2025-07-13T13:00:00.000Z	29 \| good	2.593 \| good	7.107 \| good	30.786 \| good	0.773 \| good	3.158 \| good	0.231 \| good
2025-07-13T14:00:00.000Z	30 \| good	2.07 \| good	6.255 \| good	32.272 \| good	0.623 \| good	2.748 \| good	0.243 \| good
2025-07-13T15:00:00.000Z	22 \| good	2.366 \| good	6.537 \| good	24.477 \| good	0.369 \| good	2.274 \| good	0.243 \| good
2025-07-13T16:00:00.000Z	29 \| good	2.3 \| good	7.006 \| good	30.815 \| good	0.145 \| good	2.491 \| good	0.275 \| good
2025-07-13T17:00:00.000Z	29 \| good	2.627 \| good	9.023 \| good	30.563 \| good	0.265 \| good	2.962 \| good	0.289 \| good
2025-07-13T18:00:00.000Z	29 \| good	2.752 \| good	6.29 \| good	30.884 \| good	0.287 \| good	2.811 \| good	0.398 \| good
2025-07-13T19:00:00.000Z	30 \| good	2.73 \| good	13.861 \| good	31.802 \| good	0.392 \| good	2.858 \| good	0.289 \| good
2025-07-13T20:00:00.000Z	31 \| good	2.796 \| good	8.966 \| good	33.512 \| good	0.397 \| good	2.704 \| good	0.289 \| good
2025-07-13T21:00:00.000Z	34 \| good	2.787 \| good	9.37 \| good	36.677 \| good	0.416 \| good	2.866 \| good	0.289 \| good
2025-07-13T22:00:00.000Z	32 \| good	3.06 \| good	9.907 \| good	35.068 \| good	0.383 \| good	3.178 \| good	0.275 \| good
2025-07-13T23:00:00.000Z	32 \| good	3.381 \| good	7.768 \| good	34.87 \| good	0.471 \| good	3.06 \| good	0.289 \| good
2025-07-14T00:00:00.000Z	34 \| good	3.632 \| good	14.713 \| good	36.869 \| good	0.497 \| good	3.737 \| good	0.303 \| good
2025-07-14T01:00:00.000Z	32 \| good	3.938 \| good	18.875 \| good	35.346 \| good	0.514 \| good	3.948 \| good	0.316 \| good
2025-07-14T02:00:00.000Z	29 \| good	3.351 \| good	11.433 \| good	31.014 \| good	0.723 \| good	4.017 \| good	0.316 \| good
2025-07-14T03:00:00.000Z	31 \| good	3.394 \| good	9.674 \| good	33.806 \| good	0.715 \| good	3.734 \| good	0.289 \| good
2025-07-14T04:00:00.000Z	31 \| good	3.497 \| good	8.916 \| good	33.069 \| good	0.711 \| good	3.485 \| good	0.243 \| good
2025-07-14T05:00:00.000Z	29 \| good	3.561 \| good	15.267 \| good	31.281 \| good	1.235 \| good	4.52 \| good	0.243 \| good
2025-07-14T06:00:00.000Z	26 \| good	3.212 \| good	15.264 \| good	28.323 \| good	1.195 \| good	4.257 \| good	0.211 \| good
2025-07-14T07:00:00.000Z	27 \| good	2.842 \| good	15.424 \| good	28.57 \| good	0.888 \| good	3.372 \| good	0.182 \| good
2025-07-14T08:00:00.000Z	27 \| good	2.109 \| good	6.899 \| good	29.336 \| good	0.866 \| good	3.733 \| good	0.182 \| good
2025-07-14T09:00:00.000Z	22 \| good	4.285 \| good	8.97 \| good	23.139 \| good	0.78 \| good	4.305 \| good	0.214 \| good
2025-07-14T10:00:00.000Z	21 \| good	3.334 \| good	14.507 \| good	23.477 \| good	0.284 \| good	4.837 \| good	0.236 \| good
2025-07-14T11:00:00.000Z	23 \| good	3.284 \| good	9.28 \| good	25.205 \| good	0.591 \| good	5.484 \| good	0.335 \| good
2025-07-14T12:00:00.000Z	21 \| good	2.802 \| good	13.431 \| good	23.039 \| good	0.169 \| good	6.132 \| good	0.232 \| good
2025-07-14T13:00:00.000Z	22 \| good	3.855 \| good	15.358 \| good	23.605 \| good	0.197 \| good	5.805 \| good	0.347 \| good
2025-07-14T14:00:00.000Z	27 \| good	4.515 \| good	10.102 \| good	28.954 \| good	0.287 \| good	0.647 \| good	0.202 \| good
2025-07-14T15:00:00.000Z	27 \| good	4.938 \| good	16.478 \| good	26.98 \| good	0.666 \| good	4.947 \| good	0.303 \| good
2025-07-14T16:00:00.000Z	27 \| good	4.938 \| good	16.478 \| good	26.98 \| good	0.666 \| good	4.947 \| good	0.303 \| good
2025-07-14T17:00:00.000Z	41 \| good	1.948 \| good	7.817 \| good	44.222 \| good	0.483 \| good	1.949 \| good	0.12 \| good
2025-07-14T18:00:00.000Z	42 \| good	3.037 \| good	12.327 \| good	45.409 \| good	0.46 \| good	1.426 \| good	0.12 \| good
2025-07-14T19:00:00.000Z	40 \| good	3.036 \| good	12.327 \| good	43.472 \| good	0.448 \| good	1.731 \| good	0.121 \| good
2025-07-14T20:00:00.000Z	35 \| good	3.417 \| good	15.02 \| good	38.158 \| good	0.435 \| good	2.035 \| good	0.122 \| good
2025-07-14T21:00:00.000Z	36 \| good	3.327 \| good	14.775 \| good	38.934 \| good	0.423 \| good	2.34 \| good	0.123 \| good
2025-07-14T22:00:00.000Z	34 \| good	3.669 \| good	15.967 \| good	37.192 \| good	0.472 \| good	3.619 \| good	0.134 \| good
2025-07-14T23:00:00.000Z	31 \| good	3.795 \| good	16.441 \| good	33.365 \| good	0.521 \| good	4.898 \| good	0.144 \| good
2025-07-15T00:00:00.000Z	30 \| good	4.901 \| good	21.298 \| good	32.146 \| good	0.57 \| good	6.177 \| good	0.155 \| good
2025-07-15T01:00:00.000Z	33 \| good	6.353 \| good	28.276 \| good	29.865 \| good	0.687 \| good	6.569 \| good	0.152 \| good
2025-07-15T02:00:00.000Z	27 \| good	4.698 \| good	20.45 \| good	25.863 \| good	0.803 \| good	6.96 \| good	0.148 \| good
2025-07-15T03:00:00.000Z	24 \| good	3.797 \| good	16.588 \| good	26.092 \| good	0.919 \| good	7.351 \| good	0.145 \| good
2025-07-15T04:00:00.000Z	22 \| good	4.435 \| good	19.146 \| good	23.793 \| good	1.063 \| good	7.683 \| good	0.147 \| good
2025-07-15T05:00:00.000Z	27 \| good	4.582 \| good	19.962 \| good	28.029 \| good	1.206 \| good	8.014 \| good	0.149 \| good
2025-07-15T06:00:00.000Z	27 \| good	4.572 \| good	19.94 \| good	29.384 \| good	1.35 \| good	8.345 \| good	0.15 \| good
2025-07-15T07:00:00.000Z	22 \| good	3.3 \| good	14.554 \| good	24.104 \| good	1.539 \| good	8.532 \| good	0.16 \| good
2025-07-15T08:00:00.000Z	23 \| good	2.855 \| good	11.763 \| good	25.259 \| good	1.728 \| good	8.72 \| good	0.169 \| good
2025-07-15T09:00:00.000Z	17 \| good	1.271 \| good	4.964 \| good	17.506 \| good	1.917 \| good	8.908 \| good	0.178 \| good
2025-07-15T10:00:00.000Z	19 \| good	0.526 \| good	1.853 \| good	20.166 \| good	1.834 \| good	8.378 \| good	0.187 \| good
2025-07-15T11:00:00.000Z	16 \| good	1.479 \| good	5.979 \| good	16.936 \| good	1.752 \| good	7.848 \| good	0.196 \| good
2025-07-15T12:00:00.000Z	15 \| good	2.416 \| good	9.979 \| good	16.325 \| good	1.67 \| good	7.319 \| good	0.205 \| good
2025-07-15T13:00:00.000Z	24 \| good	2.405 \| good	9.964 \| good	25.931 \| good	1.414 \| good	6.481 \| good	0.207 \| good
2025-07-15T14:00:00.000Z	31 \| good	2.823 \| good	11.697 \| good	33.937 \| good	1.158 \| good	5.644 \| good	0.21 \| good
2025-07-15T15:00:00.000Z	36 \| good	2.971 \| good	12.576 \| good	38.589 \| good	0.902 \| good	4.806 \| good	0.212 \| good
2025-07-15T16:00:00.000Z	40 \| good	3.589 \| good	16.078 \| good	42.948 \| good	0.751 \| good	3.994 \| good	0.207 \| good
2025-07-15T17:00:00.000Z	43 \| good	1.903 \| good	7.779 \| good	46.49 \| good	0.6 \| good	3.182 \| good	0.201 \| good
2025-07-15T18:00:00.000Z	44 \| good	2.494 \| good	10.177 \| good	48.379 \| good	0.45 \| good	2.37 \| good	0.196 \| good
2025-07-15T19:00:00.000Z	45 \| good	2.251 \| good	9.07 \| good	49.05 \| good	0.402 \| good	2.345 \| good	0.189 \| good
2025-07-15T20:00:00.000Z	43 \| good	0.817 \| good	3.291 \| good	46.435 \| good	0.354 \| good	2.319 \| good	0.182 \| good
2025-07-15T21:00:00.000Z	44 \| good	1.493 \| good	6.093 \| good	47.815 \| good	0.306 \| good	2.294 \| good	0.175 \| good
2025-07-15T22:00:00.000Z	46 \| good	1.913 \| good	7.68 \| good	49.894 \| good	0.368 \| good	3.287 \| good	0.181 \| good
2025-07-15T23:00:00.000Z	46 \| good	2.68 \| good	10.993 \| good	49.554 \| good	0.431 \| good	4.281 \| good	0.187 \| good
2025-07-16T00:00:00.000Z	47 \| good	5.779 \| good	24.929 \| good	50.533 \| good	0.493 \| good	5.274 \| good	0.192 \| good
2025-07-16T01:00:00.000Z	54 \| moderate	11.011 \| good	48.756 \| good	54.265 \| good	0.64 \| good	5.81 \| good	0.192 \| good
2025-07-16T02:00:00.000Z	52 \| moderate	10.034 \| good	44.456 \| good	50.812 \| good	0.787 \| good	6.347 \| good	0.191 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.644 \| good	38.242 \| good	42.499 \| good	0.934 \| good	6.883 \| good	0.191 \| good
2025-07-16T04:00:00.000Z	38 \| good	7.443 \| good	32.928 \| good	29.492 \| good	1.102 \| good	7.496 \| good	0.194 \| good
2025-07-16T05:00:00.000Z	38 \| good	6.711 \| good	29.732 \| good	26.803 \| good	1.27 \| good	8.109 \| good	0.198 \| good
2025-07-16T06:00:00.000Z	38 \| good	6.929 \| good	30.471 \| good	23.711 \| good	1.438 \| good	8.723 \| good	0.202 \| good
2025-07-16T07:00:00.000Z	33 \| good	6.234 \| good	27.944 \| good	21.016 \| good	1.467 \| good	8.661 \| good	0.204 \| good
2025-07-16T08:00:00.000Z	33 \| good	5.545 \| good	23.901 \| good	20.539 \| good	1.496 \| good	8.599 \| good	0.206 \| good
2025-07-16T09:00:00.000Z	44 \| good	8.332 \| good	36.618 \| good	19.24 \| good	1.525 \| good	8.538 \| good	0.208 \| good
2025-07-16T10:00:00.000Z	44 \| good	7.715 \| good	33.907 \| good	15.319 \| good	1.627 \| good	8.613 \| good	0.216 \| good
2025-07-16T11:00:00.000Z	49 \| good	8.734 \| good	38.348 \| good	20.463 \| good	1.73 \| good	8.688 \| good	0.224 \| good
2025-07-16T12:00:00.000Z	49 \| good	9.32 \| good	41.677 \| good	29.493 \| good	1.832 \| good	8.764 \| good	0.232 \| good
2025-07-16T13:00:00.000Z	44 \| good	7.916 \| good	34.808 \| good	36.85 \| good	1.611 \| good	7.393 \| good	0.232 \| good
2025-07-16T14:00:00.000Z	44 \| good	7.702 \| good	34.154 \| good	42.78 \| good	1.391 \| good	6.022 \| good	0.231 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.62 \| good	37.95 \| good	47.052 \| good	1.17 \| good	4.651 \| good	0.231 \| good
2025-07-16T16:00:00.000Z	51 \| moderate	8.309 \| good	36.501 \| good	55.191 \| fine	1.042 \| good	3.7 \| good	0.222 \| good

New Haven

Empower business decisions with accurate air quality data

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

0.29ppm

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 12:00:00 on 2025-07-14.

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

The best air quality in New Haven, Connecticut was recorded at 12:00:00 on 2025-07-14.

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

The real-time air quality index in New Haven, Connecticut is 27, currently categorized as Good.

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 4.938 μg/m³.

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

The current PM₁₀ levels in New Haven, Connecticut are 16.478 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 0.303 ppm.

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

The current sulfur dioxide (SO₂) levels in New Haven, Connecticut are 0.666 ppb.

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

The current ozone (O₃) levels at New Haven, Connecticut is 26.98 ppm.

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

The current nitrogen dioxide (NO₂) levels at New Haven, Connecticut is 4.947 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-12T17:00:00.000Z	33 \| good	4.162 \| good	7.318 \| good	36.181 \| good	0.373 \| good	2.421 \| good	0.202 \| good
2025-07-12T18:00:00.000Z	39 \| good	4.059 \| good	7.254 \| good	41.973 \| good	0.349 \| good	2.033 \| good	0.203 \| good
2025-07-12T19:00:00.000Z	39 \| good	3.771 \| good	6.359 \| good	42.009 \| good	0.368 \| good	1.837 \| good	0.203 \| good
2025-07-12T20:00:00.000Z	38 \| good	3.842 \| good	7.26 \| good	41.005 \| good	0.136 \| good	1.838 \| good	0.202 \| good
2025-07-12T21:00:00.000Z	40 \| good	3.914 \| good	7.159 \| good	42.978 \| good	0.413 \| good	1.934 \| good	0.202 \| good
2025-07-12T22:00:00.000Z	41 \| good	4.1 \| good	8.087 \| good	44.012 \| good	0.486 \| good	1.941 \| good	0.203 \| good
2025-07-12T23:00:00.000Z	42 \| good	4.094 \| good	8.028 \| good	44.945 \| good	0.265 \| good	2.736 \| good	0.202 \| good
2025-07-13T00:00:00.000Z	43 \| good	3.798 \| good	7.103 \| good	45.823 \| good	0.357 \| good	2.752 \| good	0.203 \| good
2025-07-13T01:00:00.000Z	38 \| good	3.604 \| good	6.207 \| good	40.974 \| good	0.479 \| good	3.26 \| good	0.203 \| good
2025-07-13T02:00:00.000Z	30 \| good	4.334 \| good	10.245 \| good	32.21 \| good	0.424 \| good	5.474 \| good	0.316 \| good
2025-07-13T03:00:00.000Z	29 \| good	4.116 \| good	14.1 \| good	31.17 \| good	0.484 \| good	4.68 \| good	0.302 \| good
2025-07-13T04:00:00.000Z	30 \| good	3.456 \| good	14.419 \| good	32.149 \| good	0.66 \| good	3.919 \| good	0.302 \| good
2025-07-13T05:00:00.000Z	23 \| good	3.467 \| good	7.805 \| good	24.778 \| good	1.15 \| good	3.928 \| good	0.29 \| good
2025-07-13T06:00:00.000Z	31 \| good	3.617 \| good	7.377 \| good	32.94 \| good	1.17 \| good	2.427 \| good	0.27 \| good
2025-07-13T07:00:00.000Z	28 \| good	2.815 \| good	13.781 \| good	30.236 \| good	1.135 \| good	2.813 \| good	0.244 \| good
2025-07-13T08:00:00.000Z	29 \| good	3.396 \| good	14.599 \| good	30.74 \| good	1.154 \| good	2.653 \| good	0.244 \| good
2025-07-13T09:00:00.000Z	29 \| good	2.945 \| good	16.391 \| good	30.612 \| good	0.871 \| good	2.556 \| good	0.185 \| good
2025-07-13T10:00:00.000Z	28 \| good	2.814 \| good	14.461 \| good	29.663 \| good	0.817 \| good	1.925 \| good	0.199 \| good
2025-07-13T11:00:00.000Z	30 \| good	2.48 \| good	8.134 \| good	31.934 \| good	0.236 \| good	2.257 \| good	0.231 \| good
2025-07-13T12:00:00.000Z	28 \| good	2.868 \| good	8.873 \| good	29.926 \| good	0.266 \| good	2.625 \| good	0.231 \| good
2025-07-13T13:00:00.000Z	29 \| good	2.593 \| good	7.107 \| good	30.786 \| good	0.773 \| good	3.158 \| good	0.231 \| good
2025-07-13T14:00:00.000Z	30 \| good	2.07 \| good	6.255 \| good	32.272 \| good	0.623 \| good	2.748 \| good	0.243 \| good
2025-07-13T15:00:00.000Z	22 \| good	2.366 \| good	6.537 \| good	24.477 \| good	0.369 \| good	2.274 \| good	0.243 \| good
2025-07-13T16:00:00.000Z	29 \| good	2.3 \| good	7.006 \| good	30.815 \| good	0.145 \| good	2.491 \| good	0.275 \| good
2025-07-13T17:00:00.000Z	29 \| good	2.627 \| good	9.023 \| good	30.563 \| good	0.265 \| good	2.962 \| good	0.289 \| good
2025-07-13T18:00:00.000Z	29 \| good	2.752 \| good	6.29 \| good	30.884 \| good	0.287 \| good	2.811 \| good	0.398 \| good
2025-07-13T19:00:00.000Z	30 \| good	2.73 \| good	13.861 \| good	31.802 \| good	0.392 \| good	2.858 \| good	0.289 \| good
2025-07-13T20:00:00.000Z	31 \| good	2.796 \| good	8.966 \| good	33.512 \| good	0.397 \| good	2.704 \| good	0.289 \| good
2025-07-13T21:00:00.000Z	34 \| good	2.787 \| good	9.37 \| good	36.677 \| good	0.416 \| good	2.866 \| good	0.289 \| good
2025-07-13T22:00:00.000Z	32 \| good	3.06 \| good	9.907 \| good	35.068 \| good	0.383 \| good	3.178 \| good	0.275 \| good
2025-07-13T23:00:00.000Z	32 \| good	3.381 \| good	7.768 \| good	34.87 \| good	0.471 \| good	3.06 \| good	0.289 \| good
2025-07-14T00:00:00.000Z	34 \| good	3.632 \| good	14.713 \| good	36.869 \| good	0.497 \| good	3.737 \| good	0.303 \| good
2025-07-14T01:00:00.000Z	32 \| good	3.938 \| good	18.875 \| good	35.346 \| good	0.514 \| good	3.948 \| good	0.316 \| good
2025-07-14T02:00:00.000Z	29 \| good	3.351 \| good	11.433 \| good	31.014 \| good	0.723 \| good	4.017 \| good	0.316 \| good
2025-07-14T03:00:00.000Z	31 \| good	3.394 \| good	9.674 \| good	33.806 \| good	0.715 \| good	3.734 \| good	0.289 \| good
2025-07-14T04:00:00.000Z	31 \| good	3.497 \| good	8.916 \| good	33.069 \| good	0.711 \| good	3.485 \| good	0.243 \| good
2025-07-14T05:00:00.000Z	29 \| good	3.561 \| good	15.267 \| good	31.281 \| good	1.235 \| good	4.52 \| good	0.243 \| good
2025-07-14T06:00:00.000Z	26 \| good	3.212 \| good	15.264 \| good	28.323 \| good	1.195 \| good	4.257 \| good	0.211 \| good
2025-07-14T07:00:00.000Z	27 \| good	2.842 \| good	15.424 \| good	28.57 \| good	0.888 \| good	3.372 \| good	0.182 \| good
2025-07-14T08:00:00.000Z	27 \| good	2.109 \| good	6.899 \| good	29.336 \| good	0.866 \| good	3.733 \| good	0.182 \| good
2025-07-14T09:00:00.000Z	22 \| good	4.285 \| good	8.97 \| good	23.139 \| good	0.78 \| good	4.305 \| good	0.214 \| good
2025-07-14T10:00:00.000Z	21 \| good	3.334 \| good	14.507 \| good	23.477 \| good	0.284 \| good	4.837 \| good	0.236 \| good
2025-07-14T11:00:00.000Z	23 \| good	3.284 \| good	9.28 \| good	25.205 \| good	0.591 \| good	5.484 \| good	0.335 \| good
2025-07-14T12:00:00.000Z	21 \| good	2.802 \| good	13.431 \| good	23.039 \| good	0.169 \| good	6.132 \| good	0.232 \| good
2025-07-14T13:00:00.000Z	22 \| good	3.855 \| good	15.358 \| good	23.605 \| good	0.197 \| good	5.805 \| good	0.347 \| good
2025-07-14T14:00:00.000Z	27 \| good	4.515 \| good	10.102 \| good	28.954 \| good	0.287 \| good	0.647 \| good	0.202 \| good
2025-07-14T15:00:00.000Z	27 \| good	4.938 \| good	16.478 \| good	26.98 \| good	0.666 \| good	4.947 \| good	0.303 \| good
2025-07-14T16:00:00.000Z	27 \| good	4.938 \| good	16.478 \| good	26.98 \| good	0.666 \| good	4.947 \| good	0.303 \| good
2025-07-14T17:00:00.000Z	41 \| good	1.948 \| good	7.817 \| good	44.222 \| good	0.483 \| good	1.949 \| good	0.12 \| good
2025-07-14T18:00:00.000Z	42 \| good	3.037 \| good	12.327 \| good	45.409 \| good	0.46 \| good	1.426 \| good	0.12 \| good
2025-07-14T19:00:00.000Z	40 \| good	3.036 \| good	12.327 \| good	43.472 \| good	0.448 \| good	1.731 \| good	0.121 \| good
2025-07-14T20:00:00.000Z	35 \| good	3.417 \| good	15.02 \| good	38.158 \| good	0.435 \| good	2.035 \| good	0.122 \| good
2025-07-14T21:00:00.000Z	36 \| good	3.327 \| good	14.775 \| good	38.934 \| good	0.423 \| good	2.34 \| good	0.123 \| good
2025-07-14T22:00:00.000Z	34 \| good	3.669 \| good	15.967 \| good	37.192 \| good	0.472 \| good	3.619 \| good	0.134 \| good
2025-07-14T23:00:00.000Z	31 \| good	3.795 \| good	16.441 \| good	33.365 \| good	0.521 \| good	4.898 \| good	0.144 \| good
2025-07-15T00:00:00.000Z	30 \| good	4.901 \| good	21.298 \| good	32.146 \| good	0.57 \| good	6.177 \| good	0.155 \| good
2025-07-15T01:00:00.000Z	33 \| good	6.353 \| good	28.276 \| good	29.865 \| good	0.687 \| good	6.569 \| good	0.152 \| good
2025-07-15T02:00:00.000Z	27 \| good	4.698 \| good	20.45 \| good	25.863 \| good	0.803 \| good	6.96 \| good	0.148 \| good
2025-07-15T03:00:00.000Z	24 \| good	3.797 \| good	16.588 \| good	26.092 \| good	0.919 \| good	7.351 \| good	0.145 \| good
2025-07-15T04:00:00.000Z	22 \| good	4.435 \| good	19.146 \| good	23.793 \| good	1.063 \| good	7.683 \| good	0.147 \| good
2025-07-15T05:00:00.000Z	27 \| good	4.582 \| good	19.962 \| good	28.029 \| good	1.206 \| good	8.014 \| good	0.149 \| good
2025-07-15T06:00:00.000Z	27 \| good	4.572 \| good	19.94 \| good	29.384 \| good	1.35 \| good	8.345 \| good	0.15 \| good
2025-07-15T07:00:00.000Z	22 \| good	3.3 \| good	14.554 \| good	24.104 \| good	1.539 \| good	8.532 \| good	0.16 \| good
2025-07-15T08:00:00.000Z	23 \| good	2.855 \| good	11.763 \| good	25.259 \| good	1.728 \| good	8.72 \| good	0.169 \| good
2025-07-15T09:00:00.000Z	17 \| good	1.271 \| good	4.964 \| good	17.506 \| good	1.917 \| good	8.908 \| good	0.178 \| good
2025-07-15T10:00:00.000Z	19 \| good	0.526 \| good	1.853 \| good	20.166 \| good	1.834 \| good	8.378 \| good	0.187 \| good
2025-07-15T11:00:00.000Z	16 \| good	1.479 \| good	5.979 \| good	16.936 \| good	1.752 \| good	7.848 \| good	0.196 \| good
2025-07-15T12:00:00.000Z	15 \| good	2.416 \| good	9.979 \| good	16.325 \| good	1.67 \| good	7.319 \| good	0.205 \| good
2025-07-15T13:00:00.000Z	24 \| good	2.405 \| good	9.964 \| good	25.931 \| good	1.414 \| good	6.481 \| good	0.207 \| good
2025-07-15T14:00:00.000Z	31 \| good	2.823 \| good	11.697 \| good	33.937 \| good	1.158 \| good	5.644 \| good	0.21 \| good
2025-07-15T15:00:00.000Z	36 \| good	2.971 \| good	12.576 \| good	38.589 \| good	0.902 \| good	4.806 \| good	0.212 \| good
2025-07-15T16:00:00.000Z	40 \| good	3.589 \| good	16.078 \| good	42.948 \| good	0.751 \| good	3.994 \| good	0.207 \| good
2025-07-15T17:00:00.000Z	43 \| good	1.903 \| good	7.779 \| good	46.49 \| good	0.6 \| good	3.182 \| good	0.201 \| good
2025-07-15T18:00:00.000Z	44 \| good	2.494 \| good	10.177 \| good	48.379 \| good	0.45 \| good	2.37 \| good	0.196 \| good
2025-07-15T19:00:00.000Z	45 \| good	2.251 \| good	9.07 \| good	49.05 \| good	0.402 \| good	2.345 \| good	0.189 \| good
2025-07-15T20:00:00.000Z	43 \| good	0.817 \| good	3.291 \| good	46.435 \| good	0.354 \| good	2.319 \| good	0.182 \| good
2025-07-15T21:00:00.000Z	44 \| good	1.493 \| good	6.093 \| good	47.815 \| good	0.306 \| good	2.294 \| good	0.175 \| good
2025-07-15T22:00:00.000Z	46 \| good	1.913 \| good	7.68 \| good	49.894 \| good	0.368 \| good	3.287 \| good	0.181 \| good
2025-07-15T23:00:00.000Z	46 \| good	2.68 \| good	10.993 \| good	49.554 \| good	0.431 \| good	4.281 \| good	0.187 \| good
2025-07-16T00:00:00.000Z	47 \| good	5.779 \| good	24.929 \| good	50.533 \| good	0.493 \| good	5.274 \| good	0.192 \| good
2025-07-16T01:00:00.000Z	54 \| moderate	11.011 \| good	48.756 \| good	54.265 \| good	0.64 \| good	5.81 \| good	0.192 \| good
2025-07-16T02:00:00.000Z	52 \| moderate	10.034 \| good	44.456 \| good	50.812 \| good	0.787 \| good	6.347 \| good	0.191 \| good
2025-07-16T03:00:00.000Z	49 \| good	8.644 \| good	38.242 \| good	42.499 \| good	0.934 \| good	6.883 \| good	0.191 \| good
2025-07-16T04:00:00.000Z	38 \| good	7.443 \| good	32.928 \| good	29.492 \| good	1.102 \| good	7.496 \| good	0.194 \| good
2025-07-16T05:00:00.000Z	38 \| good	6.711 \| good	29.732 \| good	26.803 \| good	1.27 \| good	8.109 \| good	0.198 \| good
2025-07-16T06:00:00.000Z	38 \| good	6.929 \| good	30.471 \| good	23.711 \| good	1.438 \| good	8.723 \| good	0.202 \| good
2025-07-16T07:00:00.000Z	33 \| good	6.234 \| good	27.944 \| good	21.016 \| good	1.467 \| good	8.661 \| good	0.204 \| good
2025-07-16T08:00:00.000Z	33 \| good	5.545 \| good	23.901 \| good	20.539 \| good	1.496 \| good	8.599 \| good	0.206 \| good
2025-07-16T09:00:00.000Z	44 \| good	8.332 \| good	36.618 \| good	19.24 \| good	1.525 \| good	8.538 \| good	0.208 \| good
2025-07-16T10:00:00.000Z	44 \| good	7.715 \| good	33.907 \| good	15.319 \| good	1.627 \| good	8.613 \| good	0.216 \| good
2025-07-16T11:00:00.000Z	49 \| good	8.734 \| good	38.348 \| good	20.463 \| good	1.73 \| good	8.688 \| good	0.224 \| good
2025-07-16T12:00:00.000Z	49 \| good	9.32 \| good	41.677 \| good	29.493 \| good	1.832 \| good	8.764 \| good	0.232 \| good
2025-07-16T13:00:00.000Z	44 \| good	7.916 \| good	34.808 \| good	36.85 \| good	1.611 \| good	7.393 \| good	0.232 \| good
2025-07-16T14:00:00.000Z	44 \| good	7.702 \| good	34.154 \| good	42.78 \| good	1.391 \| good	6.022 \| good	0.231 \| good
2025-07-16T15:00:00.000Z	49 \| good	8.62 \| good	37.95 \| good	47.052 \| good	1.17 \| good	4.651 \| good	0.231 \| good
2025-07-16T16:00:00.000Z	51 \| moderate	8.309 \| good	36.501 \| good	55.191 \| fine	1.042 \| good	3.7 \| good	0.222 \| 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

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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

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Frequently asked questions

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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?