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Real-time air quality index in Southbury, Connecticut today

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

100

Moderate

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Southbury, Connecticut

Last updated: ... (Local time)

Major air pollutants in Southbury, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

18.10 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

67.31 μg/m³

0

55

155

255

425

605+

Ozone (O3)

69.61 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.55 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

8.44 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.34 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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Southbury, Connecticut

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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 Southbury, Connecticut?

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


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

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In the past 24 hours, the air quality in Southbury, Connecticut was at its worst at 10:00:00 on 2025-06-05.


When did Southbury, 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 Southbury, Connecticut was observed at 05:00:00 on 2025-06-06.


What is the AQI in Southbury, Connecticut right now?

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As of now, the AQI in Southbury, Connecticut is 100, indicating Moderate conditions.


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

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Southbury, Connecticut air has the highest levels of O3.


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

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


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

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PM2.5 levels in Southbury, Connecticut are currently 18.096 μg/m3.


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

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The PM10 concentration in Southbury, Connecticut is 67.312 μg/m3 at the moment.


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

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The current carbon monoxide (CO) concentration in Southbury, Connecticut is 0.338 ppm.


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

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Currently, Southbury, Connecticut has a sulfur dioxide (SO2) concentration of 0.546 ppb.


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

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The current ozone (O3) level in Southbury, Connecticut at the moment is 69.612 ppm.


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

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Nitrogen dioxide (NO2) level in Southbury, Connecticut at the moment is 8.441 ppb.


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