What is the current level of PM10 in Branford, Connecticut?

Branford, Connecticut currently has a PM10 concentration of 12.295 μg/m3.

What is the current level of sulfur dioxide (SO2) in Branford, Connecticut?

The current sulfur dioxide (SO2) concentration in Branford, Connecticut is 0.287 ppb.

What is the current level of ozone (O3) in Branford, Connecticut?

Branford, Connecticut currently has an ozone (O3) concentration of 44.303 ppm.

What is the current level of nitrogen dioxide (NO2) in Branford, Connecticut?

The current level of nitrogen dioxide (NO2) in Branford, Connecticut is 4.977 ppb.

Current air quality index in Branford, Connecticut today

Q: What is the PM2.5 concentration in Branford, Connecticut right now?

Branford, Connecticut currently has a PM2.5 concentration of 4.857 μg/m3.

Stay updated with real-time air quality in 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)

Good

Branford, Connecticut

Last updated: ... (Local time)

Common air pollutants in Branford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

12.29 μg/m³

155

255

425

605+

Ozone (O₃)

44.30 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.98 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Branford, Connecticut

Scroll To Air Quality Map

Track live Branford, Connecticut air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-27T23:00:00.000Z	33 \| good	2.327 \| good	5.601 \| good	36.051 \| good	0.192 \| good	6.17 \| good	0.203 \| good
2026-03-28T00:00:00.000Z	33 \| good	2.436 \| good	5.755 \| good	35.907 \| good	0.119 \| good	7.511 \| good	0.205 \| good
2026-03-28T01:00:00.000Z	33 \| good	2.633 \| good	6.176 \| good	36.064 \| good	0.152 \| good	10.008 \| good	0.202 \| good
2026-03-28T02:00:00.000Z	31 \| good	3.02 \| good	7.454 \| good	33.919 \| good	0.138 \| good	13.11 \| good	0.202 \| good
2026-03-28T03:00:00.000Z	23 \| good	3.799 \| good	9.808 \| good	21.091 \| good	0.108 \| good	24.444 \| good	0.292 \| good
2026-03-28T04:00:00.000Z	27 \| good	4.396 \| good	9.639 \| good	21.091 \| good	0.116 \| good	29.007 \| good	0.285 \| good
2026-03-28T05:00:00.000Z	27 \| good	4.648 \| good	9.331 \| good	17.309 \| good	0.11 \| good	23.479 \| good	0.285 \| good
2026-03-28T06:00:00.000Z	27 \| good	5.113 \| good	10.932 \| good	27.759 \| good	0.165 \| good	10.301 \| good	0.228 \| good
2026-03-28T07:00:00.000Z	27 \| good	4.572 \| good	11.193 \| good	28.919 \| good	0.142 \| good	6.765 \| good	0.189 \| good
2026-03-28T08:00:00.000Z	32 \| good	3.962 \| good	8.896 \| good	34.819 \| good	0.119 \| good	6.223 \| good	0.197 \| good
2026-03-28T09:00:00.000Z	32 \| good	3.803 \| good	8.449 \| good	34.878 \| good	0.119 \| good	6.304 \| good	0.197 \| good
2026-03-28T10:00:00.000Z	32 \| good	3.875 \| good	8.351 \| good	34.568 \| good	0.107 \| good	8.629 \| good	0.19 \| good
2026-03-28T11:00:00.000Z	30 \| good	3.898 \| good	8.381 \| good	32.387 \| good	0.104 \| good	7.16 \| good	0.11 \| good
2026-03-28T12:00:00.000Z	31 \| good	4 \| good	9.599 \| good	33.043 \| good	0.113 \| good	7.132 \| good	0.12 \| good
2026-03-28T13:00:00.000Z	33 \| good	4.219 \| good	10.323 \| good	36.385 \| good	0.197 \| good	3.47 \| good	0.228 \| good
2026-03-28T14:00:00.000Z	32 \| good	4.132 \| good	12.952 \| good	34.983 \| good	0.113 \| good	4.152 \| good	0.195 \| good
2026-03-28T15:00:00.000Z	33 \| good	4.033 \| good	11.042 \| good	35.891 \| good	0.112 \| good	2.988 \| good	0.193 \| good
2026-03-28T16:00:00.000Z	35 \| good	3.965 \| good	10.96 \| good	38.46 \| good	0.115 \| good	2.551 \| good	0.11 \| good
2026-03-28T17:00:00.000Z	37 \| good	4.099 \| good	15.18 \| good	39.62 \| good	0.197 \| good	2.615 \| good	0.11 \| good
2026-03-28T18:00:00.000Z	37 \| good	4.159 \| good	15.847 \| good	40.458 \| good	0.16 \| good	2.201 \| good	0.117 \| good
2026-03-28T19:00:00.000Z	38 \| good	4.13 \| good	15.552 \| good	41.339 \| good	0.17 \| good	2.482 \| good	0.117 \| good
2026-03-28T20:00:00.000Z	38 \| good	3.955 \| good	12.499 \| good	40.656 \| good	0.15 \| good	2.577 \| good	0.117 \| good
2026-03-28T21:00:00.000Z	37 \| good	3.844 \| good	10.538 \| good	40.111 \| good	0.104 \| good	3.153 \| good	0.202 \| good
2026-03-28T22:00:00.000Z	36 \| good	3.445 \| good	9.977 \| good	39.472 \| good	0.107 \| good	2.478 \| good	0.193 \| good
2026-03-28T23:00:00.000Z	37 \| good	3.198 \| good	9.953 \| good	40.196 \| good	0.13 \| good	3.017 \| good	0.119 \| good
2026-03-29T00:00:00.000Z	37 \| good	3.182 \| good	9.561 \| good	40.107 \| good	0.203 \| good	3.518 \| good	0.119 \| good
2026-03-29T01:00:00.000Z	36 \| good	3.314 \| good	9.372 \| good	39.047 \| good	0.239 \| good	5.597 \| good	0.206 \| good
2026-03-29T02:00:00.000Z	34 \| good	3.437 \| good	9.094 \| good	37.197 \| good	0.129 \| good	8.443 \| good	0.206 \| good
2026-03-29T03:00:00.000Z	22 \| good	3.934 \| good	17.373 \| good	24.425 \| good	0.748 \| good	6.802 \| good	0.229 \| good
2026-03-29T04:00:00.000Z	28 \| good	4.013 \| good	9.126 \| good	29.858 \| good	0.118 \| good	20.911 \| good	0.286 \| good
2026-03-29T05:00:00.000Z	23 \| good	4.382 \| good	8.781 \| good	20.38 \| good	0.215 \| good	24.28 \| good	0.203 \| good
2026-03-29T06:00:00.000Z	24 \| good	4.473 \| good	9.378 \| good	20.439 \| good	0.215 \| good	24.579 \| good	0.203 \| good
2026-03-29T07:00:00.000Z	33 \| good	5.751 \| good	14.125 \| good	23.245 \| good	0.434 \| good	18.711 \| good	0.25 \| good
2026-03-29T08:00:00.000Z	27 \| good	5.228 \| good	10.737 \| good	13.264 \| good	0.224 \| good	28.651 \| good	0.299 \| good
2026-03-29T09:00:00.000Z	33 \| good	6.102 \| good	11.297 \| good	15.765 \| good	0.414 \| good	34.543 \| good	0.382 \| good
2026-03-29T10:00:00.000Z	33 \| good	6.033 \| good	11.262 \| good	10.904 \| good	0.392 \| good	32.067 \| good	0.374 \| good
2026-03-29T11:00:00.000Z	33 \| good	6.312 \| good	12.145 \| good	9.301 \| good	0.493 \| good	31.155 \| good	0.463 \| good
2026-03-29T12:00:00.000Z	33 \| good	6.445 \| good	14.847 \| good	9.395 \| good	0.492 \| good	30.585 \| good	0.392 \| good
2026-03-29T13:00:00.000Z	44 \| good	7.626 \| good	23.346 \| good	17.278 \| good	0.429 \| good	12.736 \| good	0.341 \| good
2026-03-29T14:00:00.000Z	33 \| good	5.983 \| good	15.993 \| good	16.385 \| good	0.47 \| good	13.119 \| good	0.129 \| good
2026-03-29T15:00:00.000Z	27 \| good	5.028 \| good	13.606 \| good	28.779 \| good	0.396 \| good	8.137 \| good	0.126 \| good
2026-03-29T16:00:00.000Z	33 \| good	5.786 \| good	28.104 \| good	23.513 \| good	0.299 \| good	4.296 \| good	0.215 \| good
2026-03-29T17:00:00.000Z	36 \| good	5.629 \| good	23.354 \| good	39.432 \| good	0.255 \| good	3.314 \| good	0.275 \| good
2026-03-29T18:00:00.000Z	36 \| good	4.765 \| good	11.061 \| good	38.995 \| good	0.287 \| good	6.524 \| good	0.13 \| good
2026-03-29T19:00:00.000Z	37 \| good	4.779 \| good	12.039 \| good	39.749 \| good	0.21 \| good	5.228 \| good	0.13 \| good
2026-03-29T20:00:00.000Z	40 \| good	4.648 \| good	12.229 \| good	43.32 \| good	0.217 \| good	5.722 \| good	0.13 \| good
2026-03-29T21:00:00.000Z	41 \| good	4.857 \| good	12.295 \| good	44.303 \| good	0.287 \| good	4.977 \| good	0.13 \| good
2026-03-29T22:00:00.000Z	41 \| good	4.857 \| good	12.295 \| good	44.303 \| good	0.287 \| good	4.977 \| good	0.13 \| good
2026-03-29T23:00:00.000Z	39 \| good	6.846 \| good	30.223 \| good	42.458 \| good	1.421 \| good	5.035 \| good	0.187 \| good
2026-03-30T00:00:00.000Z	35 \| good	6.34 \| good	28.122 \| good	37.775 \| good	1.327 \| good	5.514 \| good	0.192 \| good
2026-03-30T01:00:00.000Z	37 \| good	6.06 \| good	26.868 \| good	39.527 \| good	1.187 \| good	5.125 \| good	0.184 \| good
2026-03-30T02:00:00.000Z	39 \| good	5.835 \| good	25.703 \| good	41.785 \| good	1.047 \| good	4.735 \| good	0.176 \| good
2026-03-30T03:00:00.000Z	36 \| good	6.431 \| good	28.752 \| good	39.256 \| good	0.908 \| good	4.345 \| good	0.168 \| good
2026-03-30T04:00:00.000Z	44 \| good	7.737 \| good	33.832 \| good	38.101 \| good	0.844 \| good	3.856 \| good	0.162 \| good
2026-03-30T05:00:00.000Z	44 \| good	8.184 \| good	35.876 \| good	36.664 \| good	0.78 \| good	3.368 \| good	0.156 \| good
2026-03-30T06:00:00.000Z	44 \| good	8.309 \| good	36.325 \| good	36.914 \| good	0.716 \| good	2.879 \| good	0.149 \| good
2026-03-30T07:00:00.000Z	34 \| good	5.219 \| good	22.626 \| good	36.59 \| good	0.738 \| good	2.677 \| good	0.154 \| good
2026-03-30T08:00:00.000Z	33 \| good	5.722 \| good	24.686 \| good	32.236 \| good	0.76 \| good	2.474 \| good	0.158 \| good
2026-03-30T09:00:00.000Z	28 \| good	4.525 \| good	19.535 \| good	29.948 \| good	0.782 \| good	2.272 \| good	0.163 \| good
2026-03-30T10:00:00.000Z	24 \| good	3.721 \| good	16.448 \| good	25.64 \| good	0.919 \| good	3.056 \| good	0.176 \| good
2026-03-30T11:00:00.000Z	22 \| good	4.042 \| good	17.933 \| good	22.489 \| good	1.055 \| good	3.841 \| good	0.188 \| good
2026-03-30T12:00:00.000Z	33 \| good	5.877 \| good	25.538 \| good	21.087 \| good	1.192 \| good	4.625 \| good	0.201 \| good
2026-03-30T13:00:00.000Z	44 \| good	7.663 \| good	33.5 \| good	24.235 \| good	1.398 \| good	5.264 \| good	0.203 \| good
2026-03-30T14:00:00.000Z	44 \| good	7.852 \| good	34.438 \| good	21.663 \| good	1.604 \| good	5.903 \| good	0.204 \| good
2026-03-30T15:00:00.000Z	44 \| good	7.581 \| good	33.328 \| good	23.251 \| good	1.81 \| good	6.542 \| good	0.206 \| good
2026-03-30T16:00:00.000Z	44 \| good	7.716 \| good	33.943 \| good	19.7 \| good	1.938 \| good	6.234 \| good	0.198 \| good
2026-03-30T17:00:00.000Z	44 \| good	8.233 \| good	36.302 \| good	19.75 \| good	2.065 \| good	5.926 \| good	0.189 \| good
2026-03-30T18:00:00.000Z	60 \| moderate	13.761 \| fine	61.62 \| fine	23.052 \| good	2.192 \| good	5.619 \| good	0.181 \| good
2026-03-30T19:00:00.000Z	56 \| moderate	11.661 \| good	51.578 \| good	23.024 \| good	2.13 \| good	5.686 \| good	0.179 \| good
2026-03-30T20:00:00.000Z	54 \| moderate	10.661 \| good	47.294 \| good	24.122 \| good	2.068 \| good	5.754 \| good	0.178 \| good
2026-03-30T21:00:00.000Z	54 \| moderate	11.239 \| good	50.088 \| good	26.173 \| good	2.006 \| good	5.822 \| good	0.176 \| good
2026-03-30T22:00:00.000Z	52 \| moderate	10.475 \| good	46.541 \| good	21.036 \| good	2.014 \| good	7.27 \| good	0.182 \| good
2026-03-30T23:00:00.000Z	56 \| moderate	12.494 \| fine	56.655 \| fine	23.079 \| good	2.022 \| good	8.718 \| good	0.188 \| good
2026-03-31T00:00:00.000Z	60 \| moderate	13.805 \| fine	62.041 \| fine	18.396 \| good	2.029 \| good	10.167 \| good	0.194 \| good
2026-03-31T01:00:00.000Z	60 \| moderate	14.343 \| fine	64.041 \| fine	20.16 \| good	2.091 \| good	10.265 \| good	0.195 \| good
2026-03-31T02:00:00.000Z	66 \| moderate	16.631 \| fine	74.102 \| fine	22.262 \| good	2.153 \| good	10.364 \| good	0.196 \| good
2026-03-31T03:00:00.000Z	62 \| moderate	14.523 \| fine	64.838 \| fine	23.393 \| good	2.215 \| good	10.462 \| good	0.197 \| good
2026-03-31T04:00:00.000Z	62 \| moderate	15.138 \| fine	67.381 \| fine	24.546 \| good	2.064 \| good	9.503 \| good	0.191 \| good
2026-03-31T05:00:00.000Z	62 \| moderate	14.583 \| fine	64.902 \| fine	25.056 \| good	1.913 \| good	8.543 \| good	0.184 \| good
2026-03-31T06:00:00.000Z	49 \| good	8.783 \| good	9.518 \| good	39.408 \| good	1.745 \| good	7.568 \| good	0.178 \| good
2026-03-31T07:00:00.000Z	62 \| moderate	14.89 \| fine	66.702 \| fine	18.511 \| good	1.685 \| good	6.855 \| good	0.171 \| good
2026-03-31T08:00:00.000Z	62 \| moderate	15.071 \| fine	67.472 \| fine	16.316 \| good	1.608 \| good	6.126 \| good	0.163 \| good
2026-03-31T09:00:00.000Z	56 \| moderate	12.222 \| fine	54.538 \| good	15.214 \| good	1.531 \| good	5.398 \| good	0.156 \| good
2026-03-31T10:00:00.000Z	38 \| good	7.382 \| good	32.574 \| good	20.536 \| good	1.504 \| good	6.097 \| good	0.158 \| good
2026-03-31T11:00:00.000Z	33 \| good	5.685 \| good	24.805 \| good	20.284 \| good	1.478 \| good	6.797 \| good	0.159 \| good
2026-03-31T12:00:00.000Z	44 \| good	7.601 \| good	8.163 \| good	35.999 \| good	1.447 \| good	7.506 \| good	0.16 \| good
2026-03-31T13:00:00.000Z	44 \| good	7.818 \| good	8.365 \| good	35.128 \| good	1.562 \| good	7.819 \| good	0.169 \| good
2026-03-31T14:00:00.000Z	44 \| good	8.218 \| good	8.658 \| good	34.256 \| good	1.678 \| good	8.131 \| good	0.177 \| good
2026-03-31T15:00:00.000Z	49 \| good	8.939 \| good	9.412 \| good	33.385 \| good	1.793 \| good	8.444 \| good	0.185 \| good
2026-03-31T16:00:00.000Z	49 \| good	9.3 \| good	9.852 \| good	36.491 \| good	1.774 \| good	7.693 \| good	0.182 \| good
2026-03-31T17:00:00.000Z	56 \| moderate	12.12 \| fine	54.258 \| good	24.215 \| good	1.752 \| good	6.897 \| good	0.179 \| good
2026-03-31T18:00:00.000Z	49 \| good	9.23 \| good	9.978 \| good	42.704 \| good	1.737 \| good	6.192 \| good	0.175 \| good
2026-03-31T19:00:00.000Z	49 \| good	9.172 \| good	10.127 \| good	44.134 \| good	1.635 \| good	6.116 \| good	0.173 \| good
2026-03-31T20:00:00.000Z	49 \| good	9.235 \| good	10.314 \| good	45.564 \| good	1.534 \| good	6.04 \| good	0.171 \| good
2026-03-31T21:00:00.000Z	49 \| good	9.069 \| good	10.194 \| good	46.994 \| good	1.432 \| good	5.964 \| good	0.168 \| good
2026-03-31T22:00:00.000Z	49 \| good	8.526 \| good	9.65 \| good	46.655 \| good	1.307 \| good	6.4 \| good	0.168 \| good

Branford

Empower business decisions with accurate air quality data

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

0.13ppm

How accurate is Connecticut, USA air quality data?

The air quality data for Connecticut, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Branford, Connecticut get updated?

Air quality updates for Branford, Connecticut are available every hour.

What time in the past 24 hours saw the poorest air quality in Branford, Connecticut?

Branford, Connecticut experienced its worst air quality at 01:00:00, 2026-03-29.

When was air quality in Branford, Connecticut the best over the past 24 hours?

The best air quality in Branford, Connecticut was observed at 03:00:00 on 2026-03-29.

What is the air quality in Branford, Connecticut right now?

The air quality in Branford, Connecticut right now is Good, with an AQI of 41.

What pollutant is most frequently found in Branford, Connecticut?

In Branford, Connecticut, O3 is the most frequently found pollutant.

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

When air quality in Branford, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Branford, Connecticut right now?

Branford, Connecticut currently has a PM_2.5 concentration of 4.857 μg/m³.

What is the current level of PM₁₀ in Branford, Connecticut?

Branford, Connecticut currently has a PM₁₀ concentration of 12.295 μg/m³.

What is the current level of carbon monoxide (CO) in Branford, Connecticut?

The current carbon monoxide (CO) level in Branford, Connecticut is 0.13 ppm.

What is the current level of sulfur dioxide (SO₂) in Branford, Connecticut?

The current sulfur dioxide (SO₂) concentration in Branford, Connecticut is 0.287 ppb.

What is the current level of ozone (O₃) in Branford, Connecticut?

Branford, Connecticut currently has an ozone (O₃) concentration of 44.303 ppm.

What is the current level of nitrogen dioxide (NO₂) in Branford, Connecticut?

The current level of nitrogen dioxide (NO₂) in Branford, Connecticut is 4.977 ppb.

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