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Current air quality index in Plymouth, Connecticut today

Stay updated with real-time air quality in Plymouth, 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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Plymouth, Connecticut

Last updated: ... (Local time)

Major air pollutants in Plymouth, Connecticut

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

10.52 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

35.83 μg/m³

0

55

155

255

425

605+

Ozone (O3)

24.19 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.45 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

9.41 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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Plymouth, Connecticut

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




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.


Frequently asked questions

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

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Air quality updates for Plymouth, Connecticut are available every hour.


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

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Plymouth, Connecticut experienced its worst air quality at 09:00:00, 2025-06-06.


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

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The best air quality in Plymouth, Connecticut was observed at 09:00:00 on 2025-06-07.


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

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The air quality in Plymouth, Connecticut right now is Moderate, with an AQI of 54.


What pollutant is most frequently found in Plymouth, Connecticut?

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In Plymouth, Connecticut, PM2.5 is the most frequently found pollutant.


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

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When air quality in Plymouth, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.


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

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Plymouth, Connecticut currently has a PM2.5 concentration of 10.515 μg/m3.


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

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Plymouth, Connecticut currently has a PM10 concentration of 35.829 μg/m3.


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

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The current carbon monoxide (CO) level in Plymouth, Connecticut is 0.232 ppm.


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

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The current sulfur dioxide (SO2) concentration in Plymouth, Connecticut is 0.451 ppb.


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

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Plymouth, Connecticut currently has an ozone (O3) concentration of 24.194 ppm.


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

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The current level of nitrogen dioxide (NO2) in Plymouth, Connecticut is 9.409 ppb.


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