Stay updated with real-time air quality in Mansfield, 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)
37
Good
Mansfield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.70 μg/m³
0
55
155
255
425
605+
39.56 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
3.25 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Mansfield, Connecticut
Mansfield, Connecticut
Scroll To Air Quality MapLoading...
AQI 37
Good
3.80μg/m³
PM2.5
14.80μg/m³
PM10
40.39ppb
O3
0.17ppb
SO2
8.02ppb
NO2
0.28ppm
CO
AQI 41
Good
3.72μg/m³
PM2.5
18.08μg/m³
PM10
44.05ppb
O3
0.18ppb
SO2
9.06ppb
NO2
0.30ppm
CO
AQI 35
Good
3.81μg/m³
PM2.5
15.06μg/m³
PM10
38.44ppb
O3
0.17ppb
SO2
7.63ppb
NO2
0.27ppm
CO
AQI 37
Good
4.39μg/m³
PM2.5
13.11μg/m³
PM10
40.06ppb
O3
0.17ppb
SO2
7.41ppb
NO2
0.25ppm
CO
AQI 33
Good
3.92μg/m³
PM2.5
16.56μg/m³
PM10
35.63ppb
O3
0.16ppb
SO2
6.58ppb
NO2
0.26ppm
CO
AQI 34
Good
4.26μg/m³
PM2.5
16.41μg/m³
PM10
36.99ppb
O3
0.16ppb
SO2
6.44ppb
NO2
0.25ppm
CO
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.
Source: Ambee Data Sources
Air quality updates for Mansfield, Connecticut are available every hour.
Mansfield, Connecticut experienced its worst air quality at 10:00:00, 2025-09-11.
The best air quality in Mansfield, Connecticut was observed at 01:00:00 on 2025-09-11.
The air quality in Mansfield, Connecticut right now is Good, with an AQI of 35.
In Mansfield, Connecticut, O3 is the most frequently found pollutant.
When air quality in Mansfield, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Mansfield, Connecticut currently has a PM2.5 concentration of 3.815 μg/m3.
Mansfield, Connecticut currently has a PM10 concentration of 17.846 μg/m3.
The current carbon monoxide (CO) level in Mansfield, Connecticut is 0.285 ppm.
The current sulfur dioxide (SO2) concentration in Mansfield, Connecticut is 0.174 ppb.
Mansfield, Connecticut currently has an ozone (O3) concentration of 37.914 ppm.
The current level of nitrogen dioxide (NO2) in Mansfield, Connecticut is 8.731 ppb.
All Rights Reserved © Ambee Inc. 2025