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

Branford, Connecticut currently has a PM10 concentration of 2.355 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Branford, Connecticut is 0.716 ppb.

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

Branford, Connecticut currently has an ozone (O3) concentration of 21.393 ppm.

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

The current level of nitrogen dioxide (NO2) in Branford, Connecticut is 4.807 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 0.845 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)

0.84 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

2.35 μg/m³

155

255

425

605+

Ozone (O₃)

21.39 ppb

201

201+

Sulfur Dioxide (SO₂)

0.72 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.81 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Branford, Connecticut

Get Live Pollen Counts

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
2026-09-27T00:00:00.000Z	32 \| good	3.322 \| good	7.577 \| good	34.994 \| good	0.129 \| good	2.6 \| good	0.213 \| good
2026-09-27T01:00:00.000Z	32 \| good	3.287 \| good	8.365 \| good	34.698 \| good	0.14 \| good	2.47 \| good	0.213 \| good
2026-09-27T02:00:00.000Z	31 \| good	3.325 \| good	8.348 \| good	34.07 \| good	0.129 \| good	2.131 \| good	0.213 \| good
2026-09-27T03:00:00.000Z	31 \| good	1.616 \| good	6.455 \| good	33.987 \| good	0.116 \| good	1.301 \| good	0.132 \| good
2026-09-27T04:00:00.000Z	34 \| good	3.237 \| good	7.366 \| good	36.946 \| good	0.378 \| good	2.504 \| good	0.213 \| good
2026-09-27T05:00:00.000Z	31 \| good	2.886 \| good	9.303 \| good	34.314 \| good	0.576 \| good	2.369 \| good	0.213 \| good
2026-09-27T06:00:00.000Z	31 \| good	2.775 \| good	8.602 \| good	33.064 \| good	0.363 \| good	1.832 \| good	0.213 \| good
2026-09-27T07:00:00.000Z	30 \| good	2.672 \| good	5.169 \| good	32.427 \| good	0.363 \| good	1.063 \| good	0.211 \| good
2026-09-27T08:00:00.000Z	30 \| good	1.645 \| good	4.379 \| good	31.998 \| good	0.397 \| good	1.735 \| good	0.213 \| good
2026-09-27T09:00:00.000Z	29 \| good	1.242 \| good	4.441 \| good	30.684 \| good	0.378 \| good	1.631 \| good	0.201 \| good
2026-09-27T10:00:00.000Z	28 \| good	0.967 \| good	5.378 \| good	30.036 \| good	0.363 \| good	1.821 \| good	0.201 \| good
2026-09-27T11:00:00.000Z	28 \| good	0.818 \| good	4.381 \| good	30.176 \| good	0.363 \| good	1.829 \| good	0.201 \| good
2026-09-27T12:00:00.000Z	28 \| good	0.447 \| good	8.436 \| good	30.411 \| good	0.397 \| good	2.033 \| good	0.201 \| good
2026-09-27T13:00:00.000Z	28 \| good	0.573 \| good	5.303 \| good	30.07 \| good	0.397 \| good	2.04 \| good	0.201 \| good
2026-09-27T14:00:00.000Z	28 \| good	0.559 \| good	2.706 \| good	30.035 \| good	0.378 \| good	1.894 \| good	0.201 \| good
2026-09-27T15:00:00.000Z	27 \| good	0.664 \| good	1.558 \| good	29.013 \| good	0.349 \| good	2.23 \| good	0.208 \| good
2026-09-27T16:00:00.000Z	27 \| good	0.89 \| good	3.58 \| good	28.727 \| good	0.381 \| good	2.27 \| good	0.208 \| good
2026-09-27T17:00:00.000Z	27 \| good	0.481 \| good	6.236 \| good	28.54 \| good	0.378 \| good	2.564 \| good	0.208 \| good
2026-09-27T18:00:00.000Z	26 \| good	0.651 \| good	4.811 \| good	27.861 \| good	0.599 \| good	2.959 \| good	0.263 \| good
2026-09-27T19:00:00.000Z	49 \| good	1.069 \| good	52.858 \| good	27.976 \| good	0.332 \| good	3.02 \| good	0.263 \| good
2026-09-27T20:00:00.000Z	25 \| good	1.554 \| good	4.352 \| good	26.556 \| good	0.363 \| good	3.082 \| good	0.263 \| good
2026-09-27T21:00:00.000Z	25 \| good	1.406 \| good	4.388 \| good	26.737 \| good	0.363 \| good	3.126 \| good	0.263 \| good
2026-09-27T22:00:00.000Z	25 \| good	1.146 \| good	3.753 \| good	27.387 \| good	0.378 \| good	3.346 \| good	0.263 \| good
2026-09-27T23:00:00.000Z	25 \| good	1.27 \| good	5.402 \| good	27.318 \| good	0.378 \| good	3.779 \| good	0.263 \| good
2026-09-28T00:00:00.000Z	25 \| good	1.324 \| good	5.934 \| good	27.267 \| good	0.344 \| good	3.511 \| good	0.208 \| good
2026-09-28T01:00:00.000Z	23 \| good	1.19 \| good	4.558 \| good	24.703 \| good	0.363 \| good	3.295 \| good	0.201 \| good
2026-09-28T02:00:00.000Z	22 \| good	1.127 \| good	7.163 \| good	23.834 \| good	0.363 \| good	3.058 \| good	0.201 \| good
2026-09-28T03:00:00.000Z	33 \| good	6.254 \| good	27.964 \| good	34.356 \| good	0.182 \| good	2.243 \| good	0.133 \| good
2026-09-28T04:00:00.000Z	26 \| good	1.173 \| good	9.624 \| good	28.077 \| good	0.344 \| good	3.32 \| good	0.201 \| good
2026-09-28T05:00:00.000Z	25 \| good	1.031 \| good	2.636 \| good	27.447 \| good	0.564 \| good	3.158 \| good	0.201 \| good
2026-09-28T06:00:00.000Z	25 \| good	1.034 \| good	3.148 \| good	27.103 \| good	0.363 \| good	2.871 \| good	0.181 \| good
2026-09-28T07:00:00.000Z	25 \| good	0.841 \| good	2.395 \| good	27.212 \| good	0.363 \| good	1.708 \| good	0.151 \| good
2026-09-28T08:00:00.000Z	26 \| good	0.79 \| good	3.128 \| good	27.809 \| good	0.581 \| good	2.794 \| good	0.181 \| good
2026-09-28T09:00:00.000Z	25 \| good	0.765 \| good	2.239 \| good	26.73 \| good	0.547 \| good	3.177 \| good	0.181 \| good
2026-09-28T10:00:00.000Z	26 \| good	1.073 \| good	3.896 \| good	27.907 \| good	0.332 \| good	4.108 \| good	0.181 \| good
2026-09-28T11:00:00.000Z	26 \| good	0.896 \| good	3.872 \| good	27.97 \| good	0.363 \| good	4.601 \| good	0.195 \| good
2026-09-28T12:00:00.000Z	26 \| good	1.246 \| good	3.637 \| good	28.222 \| good	0.542 \| good	5.453 \| good	0.208 \| good
2026-09-28T13:00:00.000Z	25 \| good	0.901 \| good	3.987 \| good	27.162 \| good	0.542 \| good	3.201 \| good	0.241 \| good
2026-09-28T14:00:00.000Z	25 \| good	0.771 \| good	4.003 \| good	27.204 \| good	0.529 \| good	5.582 \| good	0.215 \| good
2026-09-28T15:00:00.000Z	23 \| good	1.016 \| good	5.038 \| good	25.418 \| good	0.513 \| good	5.478 \| good	0.208 \| good
2026-09-28T16:00:00.000Z	23 \| good	0.996 \| good	5.642 \| good	25.03 \| good	0.514 \| good	4.992 \| good	0.215 \| good
2026-09-28T17:00:00.000Z	21 \| good	1.134 \| good	3.826 \| good	22.755 \| good	0.747 \| good	4.413 \| good	0.215 \| good
2026-09-28T18:00:00.000Z	21 \| good	1.094 \| good	3.689 \| good	23.209 \| good	0.655 \| good	4.001 \| good	0.263 \| good
2026-09-28T19:00:00.000Z	21 \| good	0.753 \| good	1.108 \| good	22.515 \| good	0.533 \| good	4.062 \| good	0.263 \| good
2026-09-28T20:00:00.000Z	20 \| good	0.774 \| good	1.877 \| good	21.867 \| good	0.743 \| good	3.777 \| good	0.27 \| good
2026-09-28T21:00:00.000Z	20 \| good	0.796 \| good	2.232 \| good	22.292 \| good	0.513 \| good	3.569 \| good	0.27 \| good
2026-09-28T22:00:00.000Z	20 \| good	0.892 \| good	3.245 \| good	21.741 \| good	0.725 \| good	3.919 \| good	0.27 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.845 \| good	2.355 \| good	21.393 \| good	0.716 \| good	4.807 \| good	0.293 \| good
2026-09-29T00:00:00.000Z	22 \| good	3.788 \| good	16.723 \| good	19.309 \| good	0.194 \| good	4.415 \| good	0.166 \| good
2026-09-29T01:00:00.000Z	22 \| good	3.544 \| good	15.689 \| good	20.131 \| good	0.195 \| good	4.449 \| good	0.165 \| good
2026-09-29T02:00:00.000Z	19 \| good	3.378 \| good	14.723 \| good	19.872 \| good	0.194 \| good	4.415 \| good	0.163 \| good
2026-09-29T03:00:00.000Z	22 \| good	3.631 \| good	15.762 \| good	20.731 \| good	0.192 \| good	4.475 \| good	0.163 \| good
2026-09-29T04:00:00.000Z	22 \| good	4.047 \| good	17.73 \| good	20.773 \| good	0.19 \| good	4.424 \| good	0.162 \| good
2026-09-29T05:00:00.000Z	19 \| good	3.458 \| good	15.488 \| good	20.616 \| good	0.188 \| good	4.231 \| good	0.161 \| good
2026-09-29T06:00:00.000Z	22 \| good	4.029 \| good	17.486 \| good	20.741 \| good	0.191 \| good	4.046 \| good	0.158 \| good
2026-09-29T07:00:00.000Z	22 \| good	4.232 \| good	18.492 \| good	18.767 \| good	0.194 \| good	3.922 \| good	0.156 \| good
2026-09-29T08:00:00.000Z	22 \| good	4.339 \| good	18.672 \| good	16.665 \| good	0.2 \| good	3.927 \| good	0.155 \| good
2026-09-29T09:00:00.000Z	16 \| good	3.166 \| good	13.525 \| good	10.468 \| good	0.209 \| good	4.093 \| good	0.155 \| good
2026-09-29T10:00:00.000Z	16 \| good	3.399 \| good	14.707 \| good	10.27 \| good	0.221 \| good	4.404 \| good	0.156 \| good
2026-09-29T11:00:00.000Z	22 \| good	3.62 \| good	15.752 \| good	11.103 \| good	0.236 \| good	5.264 \| good	0.163 \| good
2026-09-29T12:00:00.000Z	22 \| good	3.772 \| good	16.685 \| good	13.149 \| good	0.25 \| good	5.305 \| good	0.171 \| good
2026-09-29T13:00:00.000Z	16 \| good	3.379 \| good	14.723 \| good	17.041 \| good	0.257 \| good	4.412 \| good	0.174 \| good
2026-09-29T14:00:00.000Z	19 \| good	2.629 \| good	10.965 \| good	21.386 \| good	0.257 \| good	3.281 \| good	0.167 \| good
2026-09-29T15:00:00.000Z	23 \| good	2.271 \| good	9.364 \| good	24.798 \| good	0.239 \| good	2.455 \| good	0.16 \| good
2026-09-29T16:00:00.000Z	25 \| good	2.043 \| good	8.311 \| good	26.747 \| good	0.228 \| good	1.987 \| good	0.154 \| good
2026-09-29T17:00:00.000Z	25 \| good	2.08 \| good	8.219 \| good	26.916 \| good	0.235 \| good	2.098 \| good	0.154 \| good
2026-09-29T18:00:00.000Z	27 \| good	2.212 \| good	8.953 \| good	28.898 \| good	0.254 \| good	2.534 \| good	0.159 \| good
2026-09-29T19:00:00.000Z	28 \| good	1.988 \| good	8.031 \| good	30.042 \| good	0.261 \| good	2.612 \| good	0.16 \| good
2026-09-29T20:00:00.000Z	28 \| good	2.077 \| good	8.517 \| good	30.182 \| good	0.26 \| good	2.64 \| good	0.161 \| good
2026-09-29T21:00:00.000Z	26 \| good	2.608 \| good	10.46 \| good	27.567 \| good	0.255 \| good	2.703 \| good	0.162 \| good
2026-09-29T22:00:00.000Z	23 \| good	2.715 \| good	11.163 \| good	24.504 \| good	0.264 \| good	3.827 \| good	0.173 \| good
2026-09-29T23:00:00.000Z	19 \| good	3.161 \| good	13.48 \| good	20.084 \| good	0.283 \| good	6.357 \| good	0.195 \| good
2026-09-30T00:00:00.000Z	33 \| good	5.507 \| good	23.602 \| good	25.04 \| good	0.311 \| good	7.789 \| good	0.207 \| good
2026-09-30T01:00:00.000Z	33 \| good	6.09 \| good	26.967 \| good	21.916 \| good	0.33 \| good	8.555 \| good	0.212 \| good
2026-09-30T02:00:00.000Z	38 \| good	6.77 \| good	29.787 \| good	19.342 \| good	0.344 \| good	8.837 \| good	0.212 \| good
2026-09-30T03:00:00.000Z	38 \| good	6.87 \| good	30.494 \| good	20.871 \| good	0.353 \| good	8.796 \| good	0.212 \| good
2026-09-30T04:00:00.000Z	38 \| good	7.043 \| good	31.318 \| good	18.727 \| good	0.359 \| good	8.288 \| good	0.209 \| good
2026-09-30T05:00:00.000Z	38 \| good	6.502 \| good	29.146 \| good	17.67 \| good	0.37 \| good	7.431 \| good	0.202 \| good
2026-09-30T06:00:00.000Z	38 \| good	6.756 \| good	29.834 \| good	16.55 \| good	0.386 \| good	6.921 \| good	0.198 \| good
2026-09-30T07:00:00.000Z	38 \| good	7.315 \| good	32.079 \| good	14.624 \| good	0.404 \| good	6.698 \| good	0.195 \| good
2026-09-30T08:00:00.000Z	44 \| good	7.685 \| good	33.778 \| good	13.078 \| good	0.421 \| good	6.618 \| good	0.193 \| good
2026-09-30T09:00:00.000Z	33 \| good	6.24 \| good	27.908 \| good	9.048 \| good	0.444 \| good	6.452 \| good	0.191 \| good
2026-09-30T10:00:00.000Z	33 \| good	6.158 \| good	27.546 \| good	10.689 \| good	0.471 \| good	6.335 \| good	0.189 \| good
2026-09-30T11:00:00.000Z	33 \| good	5.638 \| good	24.392 \| good	10.922 \| good	0.501 \| good	6.66 \| good	0.193 \| good
2026-09-30T12:00:00.000Z	33 \| good	5.637 \| good	24.163 \| good	14.12 \| good	0.514 \| good	6.142 \| good	0.205 \| good
2026-09-30T13:00:00.000Z	27 \| good	5.071 \| good	21.821 \| good	19.755 \| good	0.588 \| good	4.277 \| good	0.197 \| good
2026-09-30T14:00:00.000Z	27 \| good	4.529 \| good	19.586 \| good	25.47 \| good	0.623 \| good	2.963 \| good	0.187 \| good
2026-09-30T15:00:00.000Z	29 \| good	4.154 \| good	18.371 \| good	31.127 \| good	0.581 \| good	2.212 \| good	0.179 \| good
2026-09-30T16:00:00.000Z	31 \| good	4.241 \| good	18.439 \| good	33.147 \| good	0.506 \| good	1.723 \| good	0.17 \| good
2026-09-30T17:00:00.000Z	32 \| good	4.299 \| good	18.804 \| good	34.634 \| good	0.464 \| good	1.636 \| good	0.167 \| good
2026-09-30T18:00:00.000Z	34 \| good	4.174 \| good	18.24 \| good	36.547 \| good	0.44 \| good	1.783 \| good	0.167 \| good
2026-09-30T19:00:00.000Z	36 \| good	5.112 \| good	22.149 \| good	38.551 \| good	0.426 \| good	2.252 \| good	0.17 \| good
2026-09-30T20:00:00.000Z	37 \| good	3.882 \| good	17.041 \| good	40.045 \| good	0.42 \| good	3.011 \| good	0.175 \| good
2026-09-30T21:00:00.000Z	36 \| good	3.566 \| good	15.791 \| good	38.922 \| good	0.416 \| good	4.331 \| good	0.185 \| good
2026-09-30T22:00:00.000Z	35 \| good	4.158 \| good	18.223 \| good	37.94 \| good	0.443 \| good	7.169 \| good	0.21 \| good
2026-09-30T23:00:00.000Z	33 \| good	5.844 \| good	26.089 \| good	36.196 \| good	0.525 \| good	12.293 \| good	0.254 \| good

Branford

Empower business decisions with accurate air quality data

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

0.29ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How frequently 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 03:00:00, 2026-09-28.

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

The best air quality in Branford, Connecticut was observed at 10:00:00 on 2026-09-28.

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

The air quality in Branford, Connecticut right now is Good, with an AQI of 19.

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 0.845 μg/m³.

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

Branford, Connecticut currently has a PM₁₀ concentration of 2.355 μg/m³.

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

The current carbon monoxide (CO) level in Branford, Connecticut is 0.293 ppm.

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

The current sulfur dioxide (SO₂) concentration in Branford, Connecticut is 0.716 ppb.

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

Branford, Connecticut currently has an ozone (O₃) concentration of 21.393 ppm.

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

The current level of nitrogen dioxide (NO₂) in Branford, Connecticut is 4.807 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-27T00:00:00.000Z	32 \| good	3.322 \| good	7.577 \| good	34.994 \| good	0.129 \| good	2.6 \| good	0.213 \| good
2026-09-27T01:00:00.000Z	32 \| good	3.287 \| good	8.365 \| good	34.698 \| good	0.14 \| good	2.47 \| good	0.213 \| good
2026-09-27T02:00:00.000Z	31 \| good	3.325 \| good	8.348 \| good	34.07 \| good	0.129 \| good	2.131 \| good	0.213 \| good
2026-09-27T03:00:00.000Z	31 \| good	1.616 \| good	6.455 \| good	33.987 \| good	0.116 \| good	1.301 \| good	0.132 \| good
2026-09-27T04:00:00.000Z	34 \| good	3.237 \| good	7.366 \| good	36.946 \| good	0.378 \| good	2.504 \| good	0.213 \| good
2026-09-27T05:00:00.000Z	31 \| good	2.886 \| good	9.303 \| good	34.314 \| good	0.576 \| good	2.369 \| good	0.213 \| good
2026-09-27T06:00:00.000Z	31 \| good	2.775 \| good	8.602 \| good	33.064 \| good	0.363 \| good	1.832 \| good	0.213 \| good
2026-09-27T07:00:00.000Z	30 \| good	2.672 \| good	5.169 \| good	32.427 \| good	0.363 \| good	1.063 \| good	0.211 \| good
2026-09-27T08:00:00.000Z	30 \| good	1.645 \| good	4.379 \| good	31.998 \| good	0.397 \| good	1.735 \| good	0.213 \| good
2026-09-27T09:00:00.000Z	29 \| good	1.242 \| good	4.441 \| good	30.684 \| good	0.378 \| good	1.631 \| good	0.201 \| good
2026-09-27T10:00:00.000Z	28 \| good	0.967 \| good	5.378 \| good	30.036 \| good	0.363 \| good	1.821 \| good	0.201 \| good
2026-09-27T11:00:00.000Z	28 \| good	0.818 \| good	4.381 \| good	30.176 \| good	0.363 \| good	1.829 \| good	0.201 \| good
2026-09-27T12:00:00.000Z	28 \| good	0.447 \| good	8.436 \| good	30.411 \| good	0.397 \| good	2.033 \| good	0.201 \| good
2026-09-27T13:00:00.000Z	28 \| good	0.573 \| good	5.303 \| good	30.07 \| good	0.397 \| good	2.04 \| good	0.201 \| good
2026-09-27T14:00:00.000Z	28 \| good	0.559 \| good	2.706 \| good	30.035 \| good	0.378 \| good	1.894 \| good	0.201 \| good
2026-09-27T15:00:00.000Z	27 \| good	0.664 \| good	1.558 \| good	29.013 \| good	0.349 \| good	2.23 \| good	0.208 \| good
2026-09-27T16:00:00.000Z	27 \| good	0.89 \| good	3.58 \| good	28.727 \| good	0.381 \| good	2.27 \| good	0.208 \| good
2026-09-27T17:00:00.000Z	27 \| good	0.481 \| good	6.236 \| good	28.54 \| good	0.378 \| good	2.564 \| good	0.208 \| good
2026-09-27T18:00:00.000Z	26 \| good	0.651 \| good	4.811 \| good	27.861 \| good	0.599 \| good	2.959 \| good	0.263 \| good
2026-09-27T19:00:00.000Z	49 \| good	1.069 \| good	52.858 \| good	27.976 \| good	0.332 \| good	3.02 \| good	0.263 \| good
2026-09-27T20:00:00.000Z	25 \| good	1.554 \| good	4.352 \| good	26.556 \| good	0.363 \| good	3.082 \| good	0.263 \| good
2026-09-27T21:00:00.000Z	25 \| good	1.406 \| good	4.388 \| good	26.737 \| good	0.363 \| good	3.126 \| good	0.263 \| good
2026-09-27T22:00:00.000Z	25 \| good	1.146 \| good	3.753 \| good	27.387 \| good	0.378 \| good	3.346 \| good	0.263 \| good
2026-09-27T23:00:00.000Z	25 \| good	1.27 \| good	5.402 \| good	27.318 \| good	0.378 \| good	3.779 \| good	0.263 \| good
2026-09-28T00:00:00.000Z	25 \| good	1.324 \| good	5.934 \| good	27.267 \| good	0.344 \| good	3.511 \| good	0.208 \| good
2026-09-28T01:00:00.000Z	23 \| good	1.19 \| good	4.558 \| good	24.703 \| good	0.363 \| good	3.295 \| good	0.201 \| good
2026-09-28T02:00:00.000Z	22 \| good	1.127 \| good	7.163 \| good	23.834 \| good	0.363 \| good	3.058 \| good	0.201 \| good
2026-09-28T03:00:00.000Z	33 \| good	6.254 \| good	27.964 \| good	34.356 \| good	0.182 \| good	2.243 \| good	0.133 \| good
2026-09-28T04:00:00.000Z	26 \| good	1.173 \| good	9.624 \| good	28.077 \| good	0.344 \| good	3.32 \| good	0.201 \| good
2026-09-28T05:00:00.000Z	25 \| good	1.031 \| good	2.636 \| good	27.447 \| good	0.564 \| good	3.158 \| good	0.201 \| good
2026-09-28T06:00:00.000Z	25 \| good	1.034 \| good	3.148 \| good	27.103 \| good	0.363 \| good	2.871 \| good	0.181 \| good
2026-09-28T07:00:00.000Z	25 \| good	0.841 \| good	2.395 \| good	27.212 \| good	0.363 \| good	1.708 \| good	0.151 \| good
2026-09-28T08:00:00.000Z	26 \| good	0.79 \| good	3.128 \| good	27.809 \| good	0.581 \| good	2.794 \| good	0.181 \| good
2026-09-28T09:00:00.000Z	25 \| good	0.765 \| good	2.239 \| good	26.73 \| good	0.547 \| good	3.177 \| good	0.181 \| good
2026-09-28T10:00:00.000Z	26 \| good	1.073 \| good	3.896 \| good	27.907 \| good	0.332 \| good	4.108 \| good	0.181 \| good
2026-09-28T11:00:00.000Z	26 \| good	0.896 \| good	3.872 \| good	27.97 \| good	0.363 \| good	4.601 \| good	0.195 \| good
2026-09-28T12:00:00.000Z	26 \| good	1.246 \| good	3.637 \| good	28.222 \| good	0.542 \| good	5.453 \| good	0.208 \| good
2026-09-28T13:00:00.000Z	25 \| good	0.901 \| good	3.987 \| good	27.162 \| good	0.542 \| good	3.201 \| good	0.241 \| good
2026-09-28T14:00:00.000Z	25 \| good	0.771 \| good	4.003 \| good	27.204 \| good	0.529 \| good	5.582 \| good	0.215 \| good
2026-09-28T15:00:00.000Z	23 \| good	1.016 \| good	5.038 \| good	25.418 \| good	0.513 \| good	5.478 \| good	0.208 \| good
2026-09-28T16:00:00.000Z	23 \| good	0.996 \| good	5.642 \| good	25.03 \| good	0.514 \| good	4.992 \| good	0.215 \| good
2026-09-28T17:00:00.000Z	21 \| good	1.134 \| good	3.826 \| good	22.755 \| good	0.747 \| good	4.413 \| good	0.215 \| good
2026-09-28T18:00:00.000Z	21 \| good	1.094 \| good	3.689 \| good	23.209 \| good	0.655 \| good	4.001 \| good	0.263 \| good
2026-09-28T19:00:00.000Z	21 \| good	0.753 \| good	1.108 \| good	22.515 \| good	0.533 \| good	4.062 \| good	0.263 \| good
2026-09-28T20:00:00.000Z	20 \| good	0.774 \| good	1.877 \| good	21.867 \| good	0.743 \| good	3.777 \| good	0.27 \| good
2026-09-28T21:00:00.000Z	20 \| good	0.796 \| good	2.232 \| good	22.292 \| good	0.513 \| good	3.569 \| good	0.27 \| good
2026-09-28T22:00:00.000Z	20 \| good	0.892 \| good	3.245 \| good	21.741 \| good	0.725 \| good	3.919 \| good	0.27 \| good
2026-09-28T23:00:00.000Z	19 \| good	0.845 \| good	2.355 \| good	21.393 \| good	0.716 \| good	4.807 \| good	0.293 \| good
2026-09-29T00:00:00.000Z	22 \| good	3.788 \| good	16.723 \| good	19.309 \| good	0.194 \| good	4.415 \| good	0.166 \| good
2026-09-29T01:00:00.000Z	22 \| good	3.544 \| good	15.689 \| good	20.131 \| good	0.195 \| good	4.449 \| good	0.165 \| good
2026-09-29T02:00:00.000Z	19 \| good	3.378 \| good	14.723 \| good	19.872 \| good	0.194 \| good	4.415 \| good	0.163 \| good
2026-09-29T03:00:00.000Z	22 \| good	3.631 \| good	15.762 \| good	20.731 \| good	0.192 \| good	4.475 \| good	0.163 \| good
2026-09-29T04:00:00.000Z	22 \| good	4.047 \| good	17.73 \| good	20.773 \| good	0.19 \| good	4.424 \| good	0.162 \| good
2026-09-29T05:00:00.000Z	19 \| good	3.458 \| good	15.488 \| good	20.616 \| good	0.188 \| good	4.231 \| good	0.161 \| good
2026-09-29T06:00:00.000Z	22 \| good	4.029 \| good	17.486 \| good	20.741 \| good	0.191 \| good	4.046 \| good	0.158 \| good
2026-09-29T07:00:00.000Z	22 \| good	4.232 \| good	18.492 \| good	18.767 \| good	0.194 \| good	3.922 \| good	0.156 \| good
2026-09-29T08:00:00.000Z	22 \| good	4.339 \| good	18.672 \| good	16.665 \| good	0.2 \| good	3.927 \| good	0.155 \| good
2026-09-29T09:00:00.000Z	16 \| good	3.166 \| good	13.525 \| good	10.468 \| good	0.209 \| good	4.093 \| good	0.155 \| good
2026-09-29T10:00:00.000Z	16 \| good	3.399 \| good	14.707 \| good	10.27 \| good	0.221 \| good	4.404 \| good	0.156 \| good
2026-09-29T11:00:00.000Z	22 \| good	3.62 \| good	15.752 \| good	11.103 \| good	0.236 \| good	5.264 \| good	0.163 \| good
2026-09-29T12:00:00.000Z	22 \| good	3.772 \| good	16.685 \| good	13.149 \| good	0.25 \| good	5.305 \| good	0.171 \| good
2026-09-29T13:00:00.000Z	16 \| good	3.379 \| good	14.723 \| good	17.041 \| good	0.257 \| good	4.412 \| good	0.174 \| good
2026-09-29T14:00:00.000Z	19 \| good	2.629 \| good	10.965 \| good	21.386 \| good	0.257 \| good	3.281 \| good	0.167 \| good
2026-09-29T15:00:00.000Z	23 \| good	2.271 \| good	9.364 \| good	24.798 \| good	0.239 \| good	2.455 \| good	0.16 \| good
2026-09-29T16:00:00.000Z	25 \| good	2.043 \| good	8.311 \| good	26.747 \| good	0.228 \| good	1.987 \| good	0.154 \| good
2026-09-29T17:00:00.000Z	25 \| good	2.08 \| good	8.219 \| good	26.916 \| good	0.235 \| good	2.098 \| good	0.154 \| good
2026-09-29T18:00:00.000Z	27 \| good	2.212 \| good	8.953 \| good	28.898 \| good	0.254 \| good	2.534 \| good	0.159 \| good
2026-09-29T19:00:00.000Z	28 \| good	1.988 \| good	8.031 \| good	30.042 \| good	0.261 \| good	2.612 \| good	0.16 \| good
2026-09-29T20:00:00.000Z	28 \| good	2.077 \| good	8.517 \| good	30.182 \| good	0.26 \| good	2.64 \| good	0.161 \| good
2026-09-29T21:00:00.000Z	26 \| good	2.608 \| good	10.46 \| good	27.567 \| good	0.255 \| good	2.703 \| good	0.162 \| good
2026-09-29T22:00:00.000Z	23 \| good	2.715 \| good	11.163 \| good	24.504 \| good	0.264 \| good	3.827 \| good	0.173 \| good
2026-09-29T23:00:00.000Z	19 \| good	3.161 \| good	13.48 \| good	20.084 \| good	0.283 \| good	6.357 \| good	0.195 \| good
2026-09-30T00:00:00.000Z	33 \| good	5.507 \| good	23.602 \| good	25.04 \| good	0.311 \| good	7.789 \| good	0.207 \| good
2026-09-30T01:00:00.000Z	33 \| good	6.09 \| good	26.967 \| good	21.916 \| good	0.33 \| good	8.555 \| good	0.212 \| good
2026-09-30T02:00:00.000Z	38 \| good	6.77 \| good	29.787 \| good	19.342 \| good	0.344 \| good	8.837 \| good	0.212 \| good
2026-09-30T03:00:00.000Z	38 \| good	6.87 \| good	30.494 \| good	20.871 \| good	0.353 \| good	8.796 \| good	0.212 \| good
2026-09-30T04:00:00.000Z	38 \| good	7.043 \| good	31.318 \| good	18.727 \| good	0.359 \| good	8.288 \| good	0.209 \| good
2026-09-30T05:00:00.000Z	38 \| good	6.502 \| good	29.146 \| good	17.67 \| good	0.37 \| good	7.431 \| good	0.202 \| good
2026-09-30T06:00:00.000Z	38 \| good	6.756 \| good	29.834 \| good	16.55 \| good	0.386 \| good	6.921 \| good	0.198 \| good
2026-09-30T07:00:00.000Z	38 \| good	7.315 \| good	32.079 \| good	14.624 \| good	0.404 \| good	6.698 \| good	0.195 \| good
2026-09-30T08:00:00.000Z	44 \| good	7.685 \| good	33.778 \| good	13.078 \| good	0.421 \| good	6.618 \| good	0.193 \| good
2026-09-30T09:00:00.000Z	33 \| good	6.24 \| good	27.908 \| good	9.048 \| good	0.444 \| good	6.452 \| good	0.191 \| good
2026-09-30T10:00:00.000Z	33 \| good	6.158 \| good	27.546 \| good	10.689 \| good	0.471 \| good	6.335 \| good	0.189 \| good
2026-09-30T11:00:00.000Z	33 \| good	5.638 \| good	24.392 \| good	10.922 \| good	0.501 \| good	6.66 \| good	0.193 \| good
2026-09-30T12:00:00.000Z	33 \| good	5.637 \| good	24.163 \| good	14.12 \| good	0.514 \| good	6.142 \| good	0.205 \| good
2026-09-30T13:00:00.000Z	27 \| good	5.071 \| good	21.821 \| good	19.755 \| good	0.588 \| good	4.277 \| good	0.197 \| good
2026-09-30T14:00:00.000Z	27 \| good	4.529 \| good	19.586 \| good	25.47 \| good	0.623 \| good	2.963 \| good	0.187 \| good
2026-09-30T15:00:00.000Z	29 \| good	4.154 \| good	18.371 \| good	31.127 \| good	0.581 \| good	2.212 \| good	0.179 \| good
2026-09-30T16:00:00.000Z	31 \| good	4.241 \| good	18.439 \| good	33.147 \| good	0.506 \| good	1.723 \| good	0.17 \| good
2026-09-30T17:00:00.000Z	32 \| good	4.299 \| good	18.804 \| good	34.634 \| good	0.464 \| good	1.636 \| good	0.167 \| good
2026-09-30T18:00:00.000Z	34 \| good	4.174 \| good	18.24 \| good	36.547 \| good	0.44 \| good	1.783 \| good	0.167 \| good
2026-09-30T19:00:00.000Z	36 \| good	5.112 \| good	22.149 \| good	38.551 \| good	0.426 \| good	2.252 \| good	0.17 \| good
2026-09-30T20:00:00.000Z	37 \| good	3.882 \| good	17.041 \| good	40.045 \| good	0.42 \| good	3.011 \| good	0.175 \| good
2026-09-30T21:00:00.000Z	36 \| good	3.566 \| good	15.791 \| good	38.922 \| good	0.416 \| good	4.331 \| good	0.185 \| good
2026-09-30T22:00:00.000Z	35 \| good	4.158 \| good	18.223 \| good	37.94 \| good	0.443 \| good	7.169 \| good	0.21 \| good
2026-09-30T23:00:00.000Z	33 \| good	5.844 \| good	26.089 \| good	36.196 \| good	0.525 \| good	12.293 \| good	0.254 \| good

Current air quality index in Branford, Connecticut today

Common air pollutants in Branford, Connecticut

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Branford, Connecticut air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

East Haven, Connecticut

North Branford, Connecticut

New Haven, Connecticut

Guilford, Connecticut

West Haven, Connecticut

North Haven, Connecticut

How accurate is Connecticut, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

What pollutant is most frequently found in Branford, Connecticut?

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

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

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

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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

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

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