Stay updated with real-time air quality in Cheshire, 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
Cheshire, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.65 μg/m³
0
55
155
255
425
605+
20.50 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
12.68 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheshire, Connecticut
Cheshire, Connecticut
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AQI 60
Moderate
13.90μg/m³
PM2.5
70.11μg/m³
PM10
45.70ppb
O3
0.58ppb
SO2
17.13ppb
NO2
0.30ppm
CO
AQI 60
Moderate
13.73μg/m³
PM2.5
69.92μg/m³
PM10
45.67ppb
O3
0.55ppb
SO2
14.10ppb
NO2
0.30ppm
CO
AQI 62
Moderate
13.58μg/m³
PM2.5
77.34μg/m³
PM10
46.97ppb
O3
0.52ppb
SO2
12.71ppb
NO2
0.29ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
19.76μg/m³
PM10
44.65ppb
O3
0.60ppb
SO2
16.92ppb
NO2
0.29ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
21.11μg/m³
PM10
44.46ppb
O3
0.57ppb
SO2
16.41ppb
NO2
0.29ppm
CO
AQI 54
Moderate
10.62μg/m³
PM2.5
18.05μg/m³
PM10
43.39ppb
O3
0.57ppb
SO2
14.10ppb
NO2
0.29ppm
CO
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.
Source: Ambee Data Sources
The air quality information for Cheshire, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in Cheshire, Connecticut was at its worst at 08:00:00 on 2025-07-29.
In the last 24 hours, the best air quality in Cheshire, Connecticut was observed at 09:00:00 on 2025-07-28.
As of now, the AQI in Cheshire, Connecticut is 62, indicating Moderate conditions.
Cheshire, Connecticut air has the highest levels of PM10.
Poor air quality in Cheshire, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cheshire, Connecticut are currently 12.472 μg/m3.
The PM10 concentration in Cheshire, Connecticut is 77.984 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheshire, Connecticut is 0.294 ppm.
Currently, Cheshire, Connecticut has a sulfur dioxide (SO2) concentration of 0.592 ppb.
The current ozone (O3) level in Cheshire, Connecticut at the moment is 43.432 ppm.
Nitrogen dioxide (NO2) level in Cheshire, Connecticut at the moment is 16.341 ppb.
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