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)
44
Good
Cheshire, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.69 μg/m³
0
55
155
255
425
605+
41.77 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
9.49 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cheshire, Connecticut
Cheshire, Connecticut
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AQI 44
Good
8.17μg/m³
PM2.5
17.35μg/m³
PM10
34.39ppb
O3
0.42ppb
SO2
14.55ppb
NO2
0.23ppm
CO
AQI 44
Good
7.63μg/m³
PM2.5
22.30μg/m³
PM10
34.28ppb
O3
0.47ppb
SO2
13.47ppb
NO2
0.24ppm
CO
AQI 44
Good
7.58μg/m³
PM2.5
16.11μg/m³
PM10
35.23ppb
O3
0.54ppb
SO2
13.37ppb
NO2
0.24ppm
CO
AQI 33
Good
5.59μg/m³
PM2.5
11.75μg/m³
PM10
33.89ppb
O3
0.52ppb
SO2
12.69ppb
NO2
0.24ppm
CO
AQI 33
Good
5.55μg/m³
PM2.5
11.82μg/m³
PM10
33.50ppb
O3
0.51ppb
SO2
12.64ppb
NO2
0.24ppm
CO
AQI 31
Good
5.11μg/m³
PM2.5
11.02μg/m³
PM10
33.22ppb
O3
0.54ppb
SO2
13.49ppb
NO2
0.24ppm
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 10:00:00 on 2025-07-09.
In the last 24 hours, the best air quality in Cheshire, Connecticut was observed at 02:00:00 on 2025-07-09.
As of now, the AQI in Cheshire, Connecticut is 44, indicating Good conditions.
Cheshire, Connecticut air has the highest levels of PM2.5.
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 8.048 μg/m3.
The PM10 concentration in Cheshire, Connecticut is 28.107 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheshire, Connecticut is 0.23 ppm.
Currently, Cheshire, Connecticut has a sulfur dioxide (SO2) concentration of 1.131 ppb.
The current ozone (O3) level in Cheshire, Connecticut at the moment is 29.533 ppm.
Nitrogen dioxide (NO2) level in Cheshire, Connecticut at the moment is 13.653 ppb.
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