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Live air quality index in Trumbull, Connecticut today

Stay updated with real-time air quality in Trumbull, 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)

112

Unhealthy for sensitive groups

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Trumbull, Connecticut

Last updated: ... (Local time)

Major air pollutants in Trumbull, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

17.49 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

44.16 μg/m³

0

55

155

255

425

605+

Ozone (O3)

73.69 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.35 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

7.45 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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Trumbull, Connecticut

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Trumbull, 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 Trumbull, Connecticut updated?

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


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

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The worst air quality in Trumbull, Connecticut was recorded at 11:00:00 on 2025-06-05.


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

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The best air quality in Trumbull, Connecticut was recorded at 08:00:00 on 2025-06-06.


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

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The real-time air quality index in Trumbull, Connecticut is 112, currently categorized as Unhealthy for Sensitive Groups.


Which pollutant is found most often in Trumbull, Connecticut?

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The most common pollutant in Trumbull, Connecticut is O3.


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

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


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

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The measured PM2.5 levels in Trumbull, Connecticut at present are 17.491 μg/m3.


What are the current PM10 levels at Trumbull, Connecticut?

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The current PM10 levels in Trumbull, Connecticut are 44.164 μg/m3.


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

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The current carbon monoxide (CO) level in Trumbull, Connecticut is 0.365 ppm.


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

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The current sulfur dioxide (SO2) levels in Trumbull, Connecticut are 0.349 ppb.


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

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The current ozone (O3) levels at Trumbull, Connecticut is 73.693 ppm.


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

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The current nitrogen dioxide (NO2) levels at Trumbull, Connecticut is 7.446 ppb.


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