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)
58
Moderate
Plainville, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.89 μg/m³
0
55
155
255
425
605+
14.79 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
26.29 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Plainville, Connecticut
Plainville, Connecticut
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AQI 58
Moderate
13.17μg/m³
PM2.5
23.65μg/m³
PM10
8.10ppb
O3
0.36ppb
SO2
26.60ppb
NO2
0.38ppm
CO
AQI 64
Moderate
16.07μg/m³
PM2.5
41.22μg/m³
PM10
13.57ppb
O3
0.35ppb
SO2
26.47ppb
NO2
0.34ppm
CO
AQI 69
Moderate
18.59μg/m³
PM2.5
80.73μg/m³
PM10
21.78ppb
O3
0.36ppb
SO2
29.71ppb
NO2
0.37ppm
CO
AQI 58
Moderate
13.26μg/m³
PM2.5
23.64μg/m³
PM10
8.00ppb
O3
0.35ppb
SO2
26.48ppb
NO2
0.35ppm
CO
AQI 58
Moderate
13.17μg/m³
PM2.5
23.65μg/m³
PM10
8.10ppb
O3
0.36ppb
SO2
26.60ppb
NO2
0.38ppm
CO
AQI 64
Moderate
16.50μg/m³
PM2.5
47.25μg/m³
PM10
8.71ppb
O3
0.33ppb
SO2
29.74ppb
NO2
0.40ppm
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 09:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Plainville, Connecticut was observed at 09:00:00 on 2025-12-28.
The current air quality in Plainville, Connecticut is 58, 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 13.299 μg/m3.
The current PM10 concentration at Plainville, Connecticut is 53.894 μg/m3.
The current carbon monoxide (CO) concentration at Plainville, Connecticut is 0.347 ppm.
The current sulfur dioxide (SO2) concentration at Plainville, Connecticut is 0.353 ppb.
The current ozone (O3) concentration at Plainville, Connecticut is 14.788 ppm.
The current nitrogen dioxide (NO2) concentration at Plainville, Connecticut is 26.291 ppb.
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