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Live air quality index in North Branford, Connecticut today

Stay updated with real-time air quality in North Branford, Connecticut featuring accurate data on AQI, PM2.5, 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)

54

Moderate

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North Branford, Connecticut

Last updated: ... (Local time)

Major air pollutants in North Branford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

10.69 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

25.27 μg/m³

0

55

155

255

425

605+

Ozone (O3)

24.27 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.47 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

4.60 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.23 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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North Branford, Connecticut

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




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.


Frequently asked questions

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

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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?

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The worst air quality in North Branford, Connecticut was recorded at 09:00:00 on 2025-06-06.


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

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The best air quality in North Branford, Connecticut was recorded at 07:00:00 on 2025-06-07.


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

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The real-time air quality index in North Branford, Connecticut is 54, currently categorized as Moderate.


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

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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?

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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 PM2.5 levels in North Branford, Connecticut?

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The measured PM2.5 levels in North Branford, Connecticut at present are 10.686 μg/m3.


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

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The current PM10 levels in North Branford, Connecticut are 25.274 μg/m3.


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

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The current carbon monoxide (CO) level in North Branford, Connecticut is 0.226 ppm.


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

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The current sulfur dioxide (SO2) levels in North Branford, Connecticut are 0.471 ppb.


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

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The current ozone (O3) levels at North Branford, Connecticut is 24.267 ppm.


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

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The current nitrogen dioxide (NO2) levels at North Branford, Connecticut is 4.602 ppb.


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