What are the current PM10 levels at North Branford, Connecticut?

The current PM10 levels in North Branford, Connecticut are 53.945 μg/m3.

What are the current sulfur dioxide (SO2) levels at North Branford, Connecticut?

The current sulfur dioxide (SO2) levels in North Branford, Connecticut are 0.43 ppb.

What are the current ozone (O3) levels at North Branford, Connecticut?

The current ozone (O3) levels at North Branford, Connecticut is 14.843 ppm.

What are the current nitrogen dioxide (NO2) levels at North Branford, Connecticut?

The current nitrogen dioxide (NO2) levels at North Branford, Connecticut is 31.53 ppb.

Real-time air quality index in North Branford, Connecticut today

Q: What are the current PM2.5 levels in North Branford, Connecticut?

The measured PM2.5 levels in North Branford, Connecticut at present are 13.041 μg/m3.

Stay updated with real-time air quality in North Branford, 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

North Branford, Connecticut

Last updated: ... (Local time)

Common air pollutants in North Branford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

13.04 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

53.95 μg/m³

155

255

425

605+

Ozone (O₃)

14.84 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

31.53 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.37 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

North Branford, Connecticut

Get Live Pollen Counts

North Branford, Connecticut

Scroll To Air Quality Map

Track live North Branford, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T02:00:00.000Z	30 \| good	2.756 \| good	5.599 \| good	32.219 \| good	0.437 \| good	6.402 \| good	0.207 \| good
2025-12-27T03:00:00.000Z	24 \| good	2.834 \| good	5.425 \| good	25.987 \| good	0.324 \| good	8.401 \| good	0.199 \| good
2025-12-27T04:00:00.000Z	24 \| good	2.935 \| good	4.765 \| good	26.065 \| good	0.327 \| good	8.656 \| good	0.203 \| good
2025-12-27T05:00:00.000Z	29 \| good	3.071 \| good	5.838 \| good	30.509 \| good	0.441 \| good	11.688 \| good	0.291 \| good
2025-12-27T06:00:00.000Z	26 \| good	3.474 \| good	5.698 \| good	28.151 \| good	0.445 \| good	11.835 \| good	0.291 \| good
2025-12-27T07:00:00.000Z	23 \| good	4.391 \| good	21.191 \| good	25.145 \| good	0.444 \| good	6.538 \| good	0.226 \| good
2025-12-27T08:00:00.000Z	22 \| good	4.283 \| good	16.175 \| good	23.696 \| good	0.282 \| good	5.052 \| good	0.226 \| good
2025-12-27T09:00:00.000Z	24 \| good	3.383 \| good	5.614 \| good	25.738 \| good	0.342 \| good	7.896 \| good	0.198 \| good
2025-12-27T10:00:00.000Z	22 \| good	3.585 \| good	6.228 \| good	23.553 \| good	0.308 \| good	9.338 \| good	0.193 \| good
2025-12-27T11:00:00.000Z	22 \| good	3.593 \| good	5.995 \| good	23.969 \| good	0.313 \| good	9.077 \| good	0.193 \| good
2025-12-27T12:00:00.000Z	23 \| good	3.573 \| good	6.231 \| good	24.629 \| good	0.114 \| good	9.544 \| good	0.193 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.581 \| good	6.218 \| good	22.887 \| good	0.121 \| good	9.467 \| good	0.193 \| good
2025-12-27T14:00:00.000Z	22 \| good	3.594 \| good	6.302 \| good	23.853 \| good	0.127 \| good	9.592 \| good	0.281 \| good
2025-12-27T15:00:00.000Z	24 \| good	3.69 \| good	6.165 \| good	25.588 \| good	0.123 \| good	8.724 \| good	0.281 \| good
2025-12-27T16:00:00.000Z	22 \| good	3.805 \| good	7.172 \| good	23.774 \| good	0.117 \| good	7.667 \| good	0.287 \| good
2025-12-27T17:00:00.000Z	24 \| good	3.885 \| good	7.029 \| good	25.608 \| good	0.117 \| good	6.966 \| good	0.287 \| good
2025-12-27T18:00:00.000Z	24 \| good	3.98 \| good	7.117 \| good	25.644 \| good	0.118 \| good	6.462 \| good	0.281 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.065 \| good	7.089 \| good	29.258 \| good	0.118 \| good	6.237 \| good	0.281 \| good
2025-12-27T20:00:00.000Z	27 \| good	4.079 \| good	7.094 \| good	29.278 \| good	0.118 \| good	6.284 \| good	0.195 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.089 \| good	7.425 \| good	31.076 \| good	0.118 \| good	7.039 \| good	0.193 \| good
2025-12-27T22:00:00.000Z	29 \| good	4.318 \| good	7.077 \| good	30.974 \| good	0.117 \| good	16.559 \| good	0.29 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.949 \| good	7.309 \| good	25.331 \| good	0.124 \| good	22.888 \| good	0.387 \| good
2025-12-28T00:00:00.000Z	33 \| good	6.416 \| good	10.724 \| good	22.93 \| good	0.122 \| good	31.11 \| good	0.398 \| good
2025-12-28T01:00:00.000Z	44 \| good	8.346 \| good	12.107 \| good	15.02 \| good	0.223 \| good	32.198 \| good	0.5 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	10.144 \| good	14.648 \| good	13.704 \| good	0.403 \| good	36.099 \| good	0.6 \| good
2025-12-28T03:00:00.000Z	54 \| moderate	11.446 \| good	50.793 \| good	10.641 \| good	0.829 \| good	15.322 \| good	0.25 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.99 \| fine	18.179 \| good	5.758 \| good	0.496 \| good	32.661 \| good	0.682 \| good
2025-12-28T05:00:00.000Z	62 \| moderate	15.5 \| fine	20.868 \| good	6.082 \| good	0.472 \| good	34.399 \| good	0.599 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	11.862 \| good	16.721 \| good	6.111 \| good	0.499 \| good	29.489 \| good	0.321 \| good
2025-12-28T07:00:00.000Z	49 \| good	8.512 \| good	43.332 \| good	11.988 \| good	0.452 \| good	22.142 \| good	0.422 \| good
2025-12-28T08:00:00.000Z	38 \| good	7.212 \| good	11.371 \| good	13.594 \| good	0.131 \| good	18.585 \| good	0.147 \| good
2025-12-28T09:00:00.000Z	38 \| good	6.697 \| good	10.4 \| good	13.435 \| good	0.493 \| good	17.849 \| good	0.156 \| good
2025-12-28T10:00:00.000Z	52 \| moderate	9.842 \| good	14.53 \| good	14.849 \| good	0.326 \| good	27.476 \| good	0.502 \| good
2025-12-28T11:00:00.000Z	52 \| moderate	10.08 \| good	13.89 \| good	13.162 \| good	0.222 \| good	30.029 \| good	0.314 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	10.107 \| good	14.893 \| good	12.423 \| good	0.312 \| good	30.287 \| good	0.32 \| good
2025-12-28T13:00:00.000Z	52 \| moderate	10.215 \| good	15.407 \| good	9.115 \| good	0.31 \| good	30.404 \| good	0.32 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.212 \| fine	61.557 \| fine	7.689 \| good	0.421 \| good	18.704 \| good	0.531 \| good
2025-12-28T15:00:00.000Z	54 \| moderate	10.763 \| good	16.482 \| good	8.377 \| good	0.377 \| good	21.442 \| good	0.31 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	9.567 \| good	16.303 \| good	9.801 \| good	0.285 \| good	17.058 \| good	0.215 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.128 \| good	19.031 \| good	13.41 \| good	0.286 \| good	15.956 \| good	0.209 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.372 \| good	20.367 \| good	16.114 \| good	0.296 \| good	13.246 \| good	0.211 \| good
2025-12-28T19:00:00.000Z	52 \| moderate	10.107 \| good	23.033 \| good	19.04 \| good	0.289 \| good	14.918 \| good	0.222 \| good
2025-12-28T20:00:00.000Z	52 \| moderate	10.47 \| good	25.417 \| good	20.215 \| good	0.297 \| good	16.151 \| good	0.229 \| good
2025-12-28T21:00:00.000Z	52 \| moderate	10.297 \| good	23.791 \| good	18.927 \| good	0.287 \| good	15.593 \| good	0.228 \| good
2025-12-28T22:00:00.000Z	54 \| moderate	11.322 \| good	21.039 \| good	19.51 \| good	0.203 \| good	23.483 \| good	0.328 \| good
2025-12-28T23:00:00.000Z	60 \| moderate	13.907 \| fine	21.6 \| good	13.667 \| good	0.202 \| good	28.944 \| good	0.324 \| good
2025-12-29T00:00:00.000Z	64 \| moderate	16.199 \| fine	23.45 \| good	11.975 \| good	0.464 \| good	33.498 \| good	0.401 \| good
2025-12-29T01:00:00.000Z	58 \| moderate	13.041 \| fine	53.945 \| good	14.843 \| good	0.43 \| good	31.53 \| good	0.368 \| good
2025-12-29T02:00:00.000Z	58 \| moderate	12.959 \| fine	58.065 \| fine	15.918 \| good	1.754 \| good	24.512 \| good	0.249 \| good
2025-12-29T03:00:00.000Z	44 \| good	8.268 \| good	36.559 \| good	21.73 \| good	1.192 \| good	20.962 \| good	0.222 \| good
2025-12-29T04:00:00.000Z	44 \| good	7.737 \| good	33.919 \| good	24.984 \| good	0.912 \| good	15.456 \| good	0.197 \| good
2025-12-29T05:00:00.000Z	33 \| good	5.796 \| good	25.243 \| good	30.672 \| good	0.632 \| good	9.95 \| good	0.171 \| good
2025-12-29T06:00:00.000Z	30 \| good	3.752 \| good	16.494 \| good	32.263 \| good	0.352 \| good	4.445 \| good	0.146 \| good
2025-12-29T07:00:00.000Z	29 \| good	4.191 \| good	18.413 \| good	30.989 \| good	0.38 \| good	3.631 \| good	0.141 \| good
2025-12-29T08:00:00.000Z	27 \| good	4.953 \| good	21.446 \| good	29.241 \| good	0.407 \| good	2.817 \| good	0.136 \| good
2025-12-29T09:00:00.000Z	27 \| good	5.068 \| good	21.896 \| good	21.946 \| good	0.434 \| good	2.003 \| good	0.13 \| good
2025-12-29T10:00:00.000Z	27 \| good	4.532 \| good	19.848 \| good	20.958 \| good	0.613 \| good	3.168 \| good	0.14 \| good
2025-12-29T11:00:00.000Z	22 \| good	4.185 \| good	18.445 \| good	23.08 \| good	0.792 \| good	4.334 \| good	0.149 \| good
2025-12-29T12:00:00.000Z	33 \| good	5.744 \| good	24.858 \| good	23.325 \| good	0.971 \| good	5.499 \| good	0.158 \| good
2025-12-29T13:00:00.000Z	44 \| good	7.662 \| good	33.412 \| good	21.404 \| good	1.013 \| good	6.251 \| good	0.165 \| good
2025-12-29T14:00:00.000Z	38 \| good	7.473 \| good	32.908 \| good	21.078 \| good	1.055 \| good	7.004 \| good	0.171 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.517 \| good	37.414 \| good	18.571 \| good	1.096 \| good	7.756 \| good	0.178 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.898 \| good	39.316 \| good	20.945 \| good	1.114 \| good	8.002 \| good	0.177 \| good
2025-12-29T17:00:00.000Z	44 \| good	7.959 \| good	34.935 \| good	17.508 \| good	1.132 \| good	8.249 \| good	0.176 \| good
2025-12-29T18:00:00.000Z	49 \| good	8.93 \| good	39.539 \| good	13.537 \| good	1.15 \| good	8.496 \| good	0.175 \| good
2025-12-29T19:00:00.000Z	49 \| good	9.445 \| good	42.027 \| good	15.4 \| good	1.378 \| good	8.834 \| good	0.176 \| good
2025-12-29T20:00:00.000Z	33 \| good	6.215 \| good	27.682 \| good	28.804 \| good	1.605 \| good	9.173 \| good	0.176 \| good
2025-12-29T21:00:00.000Z	34 \| good	2.535 \| good	10.329 \| good	37.248 \| good	1.833 \| good	9.512 \| good	0.177 \| good
2025-12-29T22:00:00.000Z	31 \| good	4.081 \| good	17.744 \| good	34.188 \| good	1.763 \| good	7.626 \| good	0.176 \| good
2025-12-29T23:00:00.000Z	25 \| good	3.583 \| good	15.818 \| good	27.492 \| good	1.693 \| good	5.74 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	19 \| good	2.157 \| good	8.85 \| good	21.215 \| good	1.623 \| good	3.855 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	19 \| good	1.824 \| good	7.538 \| good	20.242 \| good	1.413 \| good	3.814 \| good	0.173 \| good
2025-12-30T02:00:00.000Z	17 \| good	1.341 \| good	5.346 \| good	18.198 \| good	1.203 \| good	3.773 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	17 \| good	1.722 \| good	7.045 \| good	18.108 \| good	0.993 \| good	3.732 \| good	0.166 \| good
2025-12-30T04:00:00.000Z	17 \| good	1.444 \| good	5.601 \| good	18.295 \| good	0.856 \| good	3.226 \| good	0.161 \| good
2025-12-30T05:00:00.000Z	22 \| good	1.584 \| good	6.489 \| good	24.17 \| good	0.72 \| good	2.72 \| good	0.155 \| good
2025-12-30T06:00:00.000Z	28 \| good	1.264 \| good	5.03 \| good	30.481 \| good	0.583 \| good	2.213 \| good	0.15 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.947 \| good	3.757 \| good	31.621 \| good	0.488 \| good	1.866 \| good	0.146 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.058 \| good	4.118 \| good	31.373 \| good	0.393 \| good	1.519 \| good	0.142 \| good
2025-12-30T09:00:00.000Z	28 \| good	0.865 \| good	3.118 \| good	29.845 \| good	0.298 \| good	1.172 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	1.117 \| good	4.865 \| good	28.274 \| good	0.32 \| good	1.419 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.138 \| good	0.032 \| good	31.611 \| good	0.342 \| good	1.665 \| good	0.143 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.101 \| good	0.032 \| good	33.3 \| good	0.364 \| good	1.912 \| good	0.146 \| good
2025-12-30T13:00:00.000Z	32 \| good	0.223 \| good	0.479 \| good	35.481 \| good	0.365 \| good	1.853 \| good	0.147 \| good
2025-12-30T14:00:00.000Z	33 \| good	0.255 \| good	0.897 \| good	36.274 \| good	0.366 \| good	1.794 \| good	0.147 \| good
2025-12-30T15:00:00.000Z	34 \| good	0.281 \| good	0.937 \| good	36.52 \| good	0.368 \| good	1.735 \| good	0.147 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.305 \| good	1.045 \| good	36.286 \| good	0.353 \| good	1.587 \| good	0.145 \| good
2025-12-30T17:00:00.000Z	34 \| good	0.283 \| good	1.045 \| good	36.61 \| good	0.338 \| good	1.439 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	35 \| good	0.849 \| good	3.077 \| good	37.606 \| good	0.323 \| good	1.292 \| good	0.139 \| good
2025-12-30T19:00:00.000Z	36 \| good	1.263 \| good	5 \| good	39.441 \| good	0.359 \| good	1.578 \| good	0.138 \| good
2025-12-30T20:00:00.000Z	39 \| good	1.053 \| good	4 \| good	41.574 \| good	0.394 \| good	1.865 \| good	0.137 \| good
2025-12-30T21:00:00.000Z	36 \| good	0.556 \| good	2 \| good	39.225 \| good	0.43 \| good	2.152 \| good	0.136 \| good
2025-12-30T22:00:00.000Z	34 \| good	0.586 \| good	2.103 \| good	36.706 \| good	0.495 \| good	2.555 \| good	0.137 \| good
2025-12-30T23:00:00.000Z	33 \| good	0.287 \| good	0.867 \| good	35.664 \| good	0.561 \| good	2.958 \| good	0.138 \| good
2025-12-31T00:00:00.000Z	36 \| good	1.804 \| good	1.893 \| good	39.097 \| good	0.625 \| good	3.374 \| good	0.14 \| good
2025-12-31T01:00:00.000Z	30 \| good	0.172 \| good	0.326 \| good	32.138 \| good	0.629 \| good	3.376 \| good	0.139 \| good

North Branford

Empower business decisions with accurate air quality data

North Branford, Connecticut air quality map: Real-time AQI near you

0.40ppm

How accurate is Connecticut, USA air quality data?

Air quality measurements for Connecticut, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for North Branford, Connecticut updated?

Air quality data for North Branford, Connecticut is updated on an hourly basis.

When did North Branford, Connecticut experience the worst air quality in the last 24 hours?

The worst air quality in North Branford, Connecticut was recorded at 12:00:00 on 2025-12-29.

When did North Branford, Connecticut have its best air quality in the last 24 hours?

The best air quality in North Branford, Connecticut was recorded at 09:00:00 on 2025-12-28.

What is the real-time air quality index for North Branford, Connecticut?

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

Which pollutant is found most often in North Branford, Connecticut?

The most common pollutant in North Branford, Connecticut is PM2.5.

What can I do if the air quality in North Branford, Connecticut is poor?

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

What are the current PM_2.5 levels in North Branford, Connecticut?

The measured PM_2.5 levels in North Branford, Connecticut at present are 13.041 μg/m³.

What are the current PM₁₀ levels at North Branford, Connecticut?

The current PM₁₀ levels in North Branford, Connecticut are 53.945 μg/m³.

What are the current carbon monoxide (CO) levels at North Branford, Connecticut?

The current carbon monoxide (CO) level in North Branford, Connecticut is 0.368 ppm.

What are the current sulfur dioxide (SO₂) levels at North Branford, Connecticut?

The current sulfur dioxide (SO₂) levels in North Branford, Connecticut are 0.43 ppb.

What are the current ozone (O₃) levels at North Branford, Connecticut?

The current ozone (O₃) levels at North Branford, Connecticut is 14.843 ppm.

What are the current nitrogen dioxide (NO₂) levels at North Branford, Connecticut?

The current nitrogen dioxide (NO₂) levels at North Branford, Connecticut is 31.53 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T02:00:00.000Z	30 \| good	2.756 \| good	5.599 \| good	32.219 \| good	0.437 \| good	6.402 \| good	0.207 \| good
2025-12-27T03:00:00.000Z	24 \| good	2.834 \| good	5.425 \| good	25.987 \| good	0.324 \| good	8.401 \| good	0.199 \| good
2025-12-27T04:00:00.000Z	24 \| good	2.935 \| good	4.765 \| good	26.065 \| good	0.327 \| good	8.656 \| good	0.203 \| good
2025-12-27T05:00:00.000Z	29 \| good	3.071 \| good	5.838 \| good	30.509 \| good	0.441 \| good	11.688 \| good	0.291 \| good
2025-12-27T06:00:00.000Z	26 \| good	3.474 \| good	5.698 \| good	28.151 \| good	0.445 \| good	11.835 \| good	0.291 \| good
2025-12-27T07:00:00.000Z	23 \| good	4.391 \| good	21.191 \| good	25.145 \| good	0.444 \| good	6.538 \| good	0.226 \| good
2025-12-27T08:00:00.000Z	22 \| good	4.283 \| good	16.175 \| good	23.696 \| good	0.282 \| good	5.052 \| good	0.226 \| good
2025-12-27T09:00:00.000Z	24 \| good	3.383 \| good	5.614 \| good	25.738 \| good	0.342 \| good	7.896 \| good	0.198 \| good
2025-12-27T10:00:00.000Z	22 \| good	3.585 \| good	6.228 \| good	23.553 \| good	0.308 \| good	9.338 \| good	0.193 \| good
2025-12-27T11:00:00.000Z	22 \| good	3.593 \| good	5.995 \| good	23.969 \| good	0.313 \| good	9.077 \| good	0.193 \| good
2025-12-27T12:00:00.000Z	23 \| good	3.573 \| good	6.231 \| good	24.629 \| good	0.114 \| good	9.544 \| good	0.193 \| good
2025-12-27T13:00:00.000Z	22 \| good	3.581 \| good	6.218 \| good	22.887 \| good	0.121 \| good	9.467 \| good	0.193 \| good
2025-12-27T14:00:00.000Z	22 \| good	3.594 \| good	6.302 \| good	23.853 \| good	0.127 \| good	9.592 \| good	0.281 \| good
2025-12-27T15:00:00.000Z	24 \| good	3.69 \| good	6.165 \| good	25.588 \| good	0.123 \| good	8.724 \| good	0.281 \| good
2025-12-27T16:00:00.000Z	22 \| good	3.805 \| good	7.172 \| good	23.774 \| good	0.117 \| good	7.667 \| good	0.287 \| good
2025-12-27T17:00:00.000Z	24 \| good	3.885 \| good	7.029 \| good	25.608 \| good	0.117 \| good	6.966 \| good	0.287 \| good
2025-12-27T18:00:00.000Z	24 \| good	3.98 \| good	7.117 \| good	25.644 \| good	0.118 \| good	6.462 \| good	0.281 \| good
2025-12-27T19:00:00.000Z	27 \| good	4.065 \| good	7.089 \| good	29.258 \| good	0.118 \| good	6.237 \| good	0.281 \| good
2025-12-27T20:00:00.000Z	27 \| good	4.079 \| good	7.094 \| good	29.278 \| good	0.118 \| good	6.284 \| good	0.195 \| good
2025-12-27T21:00:00.000Z	29 \| good	4.089 \| good	7.425 \| good	31.076 \| good	0.118 \| good	7.039 \| good	0.193 \| good
2025-12-27T22:00:00.000Z	29 \| good	4.318 \| good	7.077 \| good	30.974 \| good	0.117 \| good	16.559 \| good	0.29 \| good
2025-12-27T23:00:00.000Z	27 \| good	4.949 \| good	7.309 \| good	25.331 \| good	0.124 \| good	22.888 \| good	0.387 \| good
2025-12-28T00:00:00.000Z	33 \| good	6.416 \| good	10.724 \| good	22.93 \| good	0.122 \| good	31.11 \| good	0.398 \| good
2025-12-28T01:00:00.000Z	44 \| good	8.346 \| good	12.107 \| good	15.02 \| good	0.223 \| good	32.198 \| good	0.5 \| good
2025-12-28T02:00:00.000Z	52 \| moderate	10.144 \| good	14.648 \| good	13.704 \| good	0.403 \| good	36.099 \| good	0.6 \| good
2025-12-28T03:00:00.000Z	54 \| moderate	11.446 \| good	50.793 \| good	10.641 \| good	0.829 \| good	15.322 \| good	0.25 \| good
2025-12-28T04:00:00.000Z	58 \| moderate	12.99 \| fine	18.179 \| good	5.758 \| good	0.496 \| good	32.661 \| good	0.682 \| good
2025-12-28T05:00:00.000Z	62 \| moderate	15.5 \| fine	20.868 \| good	6.082 \| good	0.472 \| good	34.399 \| good	0.599 \| good
2025-12-28T06:00:00.000Z	56 \| moderate	11.862 \| good	16.721 \| good	6.111 \| good	0.499 \| good	29.489 \| good	0.321 \| good
2025-12-28T07:00:00.000Z	49 \| good	8.512 \| good	43.332 \| good	11.988 \| good	0.452 \| good	22.142 \| good	0.422 \| good
2025-12-28T08:00:00.000Z	38 \| good	7.212 \| good	11.371 \| good	13.594 \| good	0.131 \| good	18.585 \| good	0.147 \| good
2025-12-28T09:00:00.000Z	38 \| good	6.697 \| good	10.4 \| good	13.435 \| good	0.493 \| good	17.849 \| good	0.156 \| good
2025-12-28T10:00:00.000Z	52 \| moderate	9.842 \| good	14.53 \| good	14.849 \| good	0.326 \| good	27.476 \| good	0.502 \| good
2025-12-28T11:00:00.000Z	52 \| moderate	10.08 \| good	13.89 \| good	13.162 \| good	0.222 \| good	30.029 \| good	0.314 \| good
2025-12-28T12:00:00.000Z	52 \| moderate	10.107 \| good	14.893 \| good	12.423 \| good	0.312 \| good	30.287 \| good	0.32 \| good
2025-12-28T13:00:00.000Z	52 \| moderate	10.215 \| good	15.407 \| good	9.115 \| good	0.31 \| good	30.404 \| good	0.32 \| good
2025-12-28T14:00:00.000Z	58 \| moderate	13.212 \| fine	61.557 \| fine	7.689 \| good	0.421 \| good	18.704 \| good	0.531 \| good
2025-12-28T15:00:00.000Z	54 \| moderate	10.763 \| good	16.482 \| good	8.377 \| good	0.377 \| good	21.442 \| good	0.31 \| good
2025-12-28T16:00:00.000Z	52 \| moderate	9.567 \| good	16.303 \| good	9.801 \| good	0.285 \| good	17.058 \| good	0.215 \| good
2025-12-28T17:00:00.000Z	49 \| good	9.128 \| good	19.031 \| good	13.41 \| good	0.286 \| good	15.956 \| good	0.209 \| good
2025-12-28T18:00:00.000Z	49 \| good	9.372 \| good	20.367 \| good	16.114 \| good	0.296 \| good	13.246 \| good	0.211 \| good
2025-12-28T19:00:00.000Z	52 \| moderate	10.107 \| good	23.033 \| good	19.04 \| good	0.289 \| good	14.918 \| good	0.222 \| good
2025-12-28T20:00:00.000Z	52 \| moderate	10.47 \| good	25.417 \| good	20.215 \| good	0.297 \| good	16.151 \| good	0.229 \| good
2025-12-28T21:00:00.000Z	52 \| moderate	10.297 \| good	23.791 \| good	18.927 \| good	0.287 \| good	15.593 \| good	0.228 \| good
2025-12-28T22:00:00.000Z	54 \| moderate	11.322 \| good	21.039 \| good	19.51 \| good	0.203 \| good	23.483 \| good	0.328 \| good
2025-12-28T23:00:00.000Z	60 \| moderate	13.907 \| fine	21.6 \| good	13.667 \| good	0.202 \| good	28.944 \| good	0.324 \| good
2025-12-29T00:00:00.000Z	64 \| moderate	16.199 \| fine	23.45 \| good	11.975 \| good	0.464 \| good	33.498 \| good	0.401 \| good
2025-12-29T01:00:00.000Z	58 \| moderate	13.041 \| fine	53.945 \| good	14.843 \| good	0.43 \| good	31.53 \| good	0.368 \| good
2025-12-29T02:00:00.000Z	58 \| moderate	12.959 \| fine	58.065 \| fine	15.918 \| good	1.754 \| good	24.512 \| good	0.249 \| good
2025-12-29T03:00:00.000Z	44 \| good	8.268 \| good	36.559 \| good	21.73 \| good	1.192 \| good	20.962 \| good	0.222 \| good
2025-12-29T04:00:00.000Z	44 \| good	7.737 \| good	33.919 \| good	24.984 \| good	0.912 \| good	15.456 \| good	0.197 \| good
2025-12-29T05:00:00.000Z	33 \| good	5.796 \| good	25.243 \| good	30.672 \| good	0.632 \| good	9.95 \| good	0.171 \| good
2025-12-29T06:00:00.000Z	30 \| good	3.752 \| good	16.494 \| good	32.263 \| good	0.352 \| good	4.445 \| good	0.146 \| good
2025-12-29T07:00:00.000Z	29 \| good	4.191 \| good	18.413 \| good	30.989 \| good	0.38 \| good	3.631 \| good	0.141 \| good
2025-12-29T08:00:00.000Z	27 \| good	4.953 \| good	21.446 \| good	29.241 \| good	0.407 \| good	2.817 \| good	0.136 \| good
2025-12-29T09:00:00.000Z	27 \| good	5.068 \| good	21.896 \| good	21.946 \| good	0.434 \| good	2.003 \| good	0.13 \| good
2025-12-29T10:00:00.000Z	27 \| good	4.532 \| good	19.848 \| good	20.958 \| good	0.613 \| good	3.168 \| good	0.14 \| good
2025-12-29T11:00:00.000Z	22 \| good	4.185 \| good	18.445 \| good	23.08 \| good	0.792 \| good	4.334 \| good	0.149 \| good
2025-12-29T12:00:00.000Z	33 \| good	5.744 \| good	24.858 \| good	23.325 \| good	0.971 \| good	5.499 \| good	0.158 \| good
2025-12-29T13:00:00.000Z	44 \| good	7.662 \| good	33.412 \| good	21.404 \| good	1.013 \| good	6.251 \| good	0.165 \| good
2025-12-29T14:00:00.000Z	38 \| good	7.473 \| good	32.908 \| good	21.078 \| good	1.055 \| good	7.004 \| good	0.171 \| good
2025-12-29T15:00:00.000Z	49 \| good	8.517 \| good	37.414 \| good	18.571 \| good	1.096 \| good	7.756 \| good	0.178 \| good
2025-12-29T16:00:00.000Z	49 \| good	8.898 \| good	39.316 \| good	20.945 \| good	1.114 \| good	8.002 \| good	0.177 \| good
2025-12-29T17:00:00.000Z	44 \| good	7.959 \| good	34.935 \| good	17.508 \| good	1.132 \| good	8.249 \| good	0.176 \| good
2025-12-29T18:00:00.000Z	49 \| good	8.93 \| good	39.539 \| good	13.537 \| good	1.15 \| good	8.496 \| good	0.175 \| good
2025-12-29T19:00:00.000Z	49 \| good	9.445 \| good	42.027 \| good	15.4 \| good	1.378 \| good	8.834 \| good	0.176 \| good
2025-12-29T20:00:00.000Z	33 \| good	6.215 \| good	27.682 \| good	28.804 \| good	1.605 \| good	9.173 \| good	0.176 \| good
2025-12-29T21:00:00.000Z	34 \| good	2.535 \| good	10.329 \| good	37.248 \| good	1.833 \| good	9.512 \| good	0.177 \| good
2025-12-29T22:00:00.000Z	31 \| good	4.081 \| good	17.744 \| good	34.188 \| good	1.763 \| good	7.626 \| good	0.176 \| good
2025-12-29T23:00:00.000Z	25 \| good	3.583 \| good	15.818 \| good	27.492 \| good	1.693 \| good	5.74 \| good	0.176 \| good
2025-12-30T00:00:00.000Z	19 \| good	2.157 \| good	8.85 \| good	21.215 \| good	1.623 \| good	3.855 \| good	0.176 \| good
2025-12-30T01:00:00.000Z	19 \| good	1.824 \| good	7.538 \| good	20.242 \| good	1.413 \| good	3.814 \| good	0.173 \| good
2025-12-30T02:00:00.000Z	17 \| good	1.341 \| good	5.346 \| good	18.198 \| good	1.203 \| good	3.773 \| good	0.169 \| good
2025-12-30T03:00:00.000Z	17 \| good	1.722 \| good	7.045 \| good	18.108 \| good	0.993 \| good	3.732 \| good	0.166 \| good
2025-12-30T04:00:00.000Z	17 \| good	1.444 \| good	5.601 \| good	18.295 \| good	0.856 \| good	3.226 \| good	0.161 \| good
2025-12-30T05:00:00.000Z	22 \| good	1.584 \| good	6.489 \| good	24.17 \| good	0.72 \| good	2.72 \| good	0.155 \| good
2025-12-30T06:00:00.000Z	28 \| good	1.264 \| good	5.03 \| good	30.481 \| good	0.583 \| good	2.213 \| good	0.15 \| good
2025-12-30T07:00:00.000Z	30 \| good	0.947 \| good	3.757 \| good	31.621 \| good	0.488 \| good	1.866 \| good	0.146 \| good
2025-12-30T08:00:00.000Z	29 \| good	1.058 \| good	4.118 \| good	31.373 \| good	0.393 \| good	1.519 \| good	0.142 \| good
2025-12-30T09:00:00.000Z	28 \| good	0.865 \| good	3.118 \| good	29.845 \| good	0.298 \| good	1.172 \| good	0.138 \| good
2025-12-30T10:00:00.000Z	26 \| good	1.117 \| good	4.865 \| good	28.274 \| good	0.32 \| good	1.419 \| good	0.141 \| good
2025-12-30T11:00:00.000Z	30 \| good	0.138 \| good	0.032 \| good	31.611 \| good	0.342 \| good	1.665 \| good	0.143 \| good
2025-12-30T12:00:00.000Z	31 \| good	0.101 \| good	0.032 \| good	33.3 \| good	0.364 \| good	1.912 \| good	0.146 \| good
2025-12-30T13:00:00.000Z	32 \| good	0.223 \| good	0.479 \| good	35.481 \| good	0.365 \| good	1.853 \| good	0.147 \| good
2025-12-30T14:00:00.000Z	33 \| good	0.255 \| good	0.897 \| good	36.274 \| good	0.366 \| good	1.794 \| good	0.147 \| good
2025-12-30T15:00:00.000Z	34 \| good	0.281 \| good	0.937 \| good	36.52 \| good	0.368 \| good	1.735 \| good	0.147 \| good
2025-12-30T16:00:00.000Z	33 \| good	0.305 \| good	1.045 \| good	36.286 \| good	0.353 \| good	1.587 \| good	0.145 \| good
2025-12-30T17:00:00.000Z	34 \| good	0.283 \| good	1.045 \| good	36.61 \| good	0.338 \| good	1.439 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	35 \| good	0.849 \| good	3.077 \| good	37.606 \| good	0.323 \| good	1.292 \| good	0.139 \| good
2025-12-30T19:00:00.000Z	36 \| good	1.263 \| good	5 \| good	39.441 \| good	0.359 \| good	1.578 \| good	0.138 \| good
2025-12-30T20:00:00.000Z	39 \| good	1.053 \| good	4 \| good	41.574 \| good	0.394 \| good	1.865 \| good	0.137 \| good
2025-12-30T21:00:00.000Z	36 \| good	0.556 \| good	2 \| good	39.225 \| good	0.43 \| good	2.152 \| good	0.136 \| good
2025-12-30T22:00:00.000Z	34 \| good	0.586 \| good	2.103 \| good	36.706 \| good	0.495 \| good	2.555 \| good	0.137 \| good
2025-12-30T23:00:00.000Z	33 \| good	0.287 \| good	0.867 \| good	35.664 \| good	0.561 \| good	2.958 \| good	0.138 \| good
2025-12-31T00:00:00.000Z	36 \| good	1.804 \| good	1.893 \| good	39.097 \| good	0.625 \| good	3.374 \| good	0.14 \| good
2025-12-31T01:00:00.000Z	30 \| good	0.172 \| good	0.326 \| good	32.138 \| good	0.629 \| good	3.376 \| good	0.139 \| good

Real-time air quality index in North Branford, Connecticut today

Common air pollutants in North Branford, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live North Branford, Connecticut air quality forecast and history

Empower business decisions with accurate air quality data

North Branford, Connecticut air quality map: Real-time AQI near you

Air quality in nearby cities

Branford, Connecticut

Guilford, Connecticut

East Haven, Connecticut

North Haven, Connecticut

Hamden, Connecticut

New 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 North Branford, Connecticut updated?

When did North Branford, Connecticut experience the worst air quality in the last 24 hours?

When did North Branford, Connecticut have its best air quality in the last 24 hours?

What is the real-time air quality index for North Branford, Connecticut?

Which pollutant is found most often in North Branford, Connecticut?

What can I do if the air quality in North Branford, Connecticut is poor?

What are the current PM2.5 levels in North Branford, Connecticut?

What are the current PM10 levels at North Branford, Connecticut?

What are the current carbon monoxide (CO) levels at North Branford, Connecticut?

What are the current sulfur dioxide (SO2) levels at North Branford, Connecticut?

What are the current ozone (O3) levels at North Branford, Connecticut?

What are the current nitrogen dioxide (NO2) levels at North Branford, 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 North Branford, Connecticut?

What are the current PM₁₀ levels at North Branford, Connecticut?

What are the current sulfur dioxide (SO₂) levels at North Branford, Connecticut?

What are the current ozone (O₃) levels at North Branford, Connecticut?

What are the current nitrogen dioxide (NO₂) levels at North Branford, Connecticut?