Stay updated with real-time air quality in Plainville, 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)
67
Moderate
Plainville, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.20 μg/m³
0
55
155
255
425
605+
55.67 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
10.02 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Plainville, Connecticut
Plainville, Connecticut
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AQI 100
Moderate
20.95μg/m³
PM2.5
67.66μg/m³
PM10
69.87ppb
O3
0.52ppb
SO2
10.20ppb
NO2
0.35ppm
CO
AQI 67
Moderate
17.52μg/m³
PM2.5
66.50μg/m³
PM10
59.34ppb
O3
0.51ppb
SO2
9.90ppb
NO2
0.32ppm
CO
AQI 66
Moderate
16.95μg/m³
PM2.5
51.57μg/m³
PM10
57.03ppb
O3
0.55ppb
SO2
10.17ppb
NO2
0.34ppm
CO
AQI 112
Unhealthy for sensitive groups
18.49μg/m³
PM2.5
50.59μg/m³
PM10
73.71ppb
O3
0.51ppb
SO2
10.01ppb
NO2
0.32ppm
CO
AQI 100
Moderate
20.95μg/m³
PM2.5
67.66μg/m³
PM10
69.87ppb
O3
0.52ppb
SO2
10.20ppb
NO2
0.35ppm
CO
AQI 108
Unhealthy for sensitive groups
21.28μg/m³
PM2.5
38.08μg/m³
PM10
72.94ppb
O3
0.53ppb
SO2
12.66ppb
NO2
0.38ppm
CO
Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Plainville, Connecticut is updated every hour.
The worst air quality in Plainville, Connecticut in the last 24 hours was observed at 11:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Plainville, Connecticut was observed at 11:00:00 on 2025-06-06.
The current air quality in Plainville, Connecticut is 67, categorized as Moderate based on real-time data.
The most common pollutant in Plainville, Connecticut is PM2.5.
If the air quality in Plainville, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Plainville, Connecticut is 17.5 μg/m3.
The current PM10 concentration at Plainville, Connecticut is 53.197 μg/m3.
The current carbon monoxide (CO) concentration at Plainville, Connecticut is 0.328 ppm.
The current sulfur dioxide (SO2) concentration at Plainville, Connecticut is 0.515 ppb.
The current ozone (O3) concentration at Plainville, Connecticut is 55.674 ppm.
The current nitrogen dioxide (NO2) concentration at Plainville, Connecticut is 10.024 ppb.
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