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Real-time air quality index in Stamford, Connecticut today

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

49

Good

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Stamford, Connecticut

Last updated: ... (Local time)

Major air pollutants in Stamford, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

8.60 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

25.16 μg/m³

0

55

155

255

425

605+

Ozone (O3)

46.80 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.61 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

5.46 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

Low

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Stamford, Connecticut

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Stamford, Connecticut air quality map: Stay updated on AQI near you




How accurate is Connecticut, USA air quality data?

Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.


Frequently asked questions

How often is air quality information updated for Stamford, Connecticut?

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The air quality information for Stamford, Connecticut is updated every hour for accuracy.


What time in the last 24 hours was the air quality in Stamford, Connecticut at its worst?

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In the past 24 hours, the air quality in Stamford, Connecticut was at its worst at 08:00:00 on 2025-07-09.


When did Stamford, Connecticut experience the best air quality in the last 24 hours?

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In the last 24 hours, the best air quality in Stamford, Connecticut was observed at 07:00:00 on 2025-07-09.


What is the AQI in Stamford, Connecticut right now?

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As of now, the AQI in Stamford, Connecticut is 44, indicating Good conditions.


What is the most common type of pollution in Stamford, Connecticut?

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Stamford, Connecticut air has the highest levels of PM2.5.


What should I do in case of poor air quality in Stamford, Connecticut?

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Poor air quality in Stamford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.


What is the PM2.5 level in Stamford, Connecticut at the moment?

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PM2.5 levels in Stamford, Connecticut are currently 8.098 μg/m3.


What is the PM10 level in Stamford, Connecticut at the moment?

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The PM10 concentration in Stamford, Connecticut is 34.421 μg/m3 at the moment.


What is the carbon monoxide (CO) level in Stamford, Connecticut at the moment?

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The current carbon monoxide (CO) concentration in Stamford, Connecticut is 0.239 ppm.


What is the sulfur dioxide (SO2) level in Stamford, Connecticut at the moment?

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Currently, Stamford, Connecticut has a sulfur dioxide (SO2) concentration of 1.119 ppb.


What is the ozone (O3) level in Stamford, Connecticut at the moment?

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The current ozone (O3) level in Stamford, Connecticut at the moment is 32.219 ppm.


What is the nitrogen dioxide (NO2) level in Stamford, Connecticut at the moment?

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Nitrogen dioxide (NO2) level in Stamford, Connecticut at the moment is 13.081 ppb.


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