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)
66
Moderate
Mansfield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
16.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
67.04 μg/m³
0
55
155
255
425
605+
55.75 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
5.94 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mansfield, Connecticut
Mansfield, Connecticut
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AQI 66
Moderate
16.71μg/m³
PM2.5
59.07μg/m³
PM10
58.25ppb
O3
0.54ppb
SO2
6.30ppb
NO2
0.30ppm
CO
AQI 66
Moderate
17.33μg/m³
PM2.5
58.37μg/m³
PM10
57.77ppb
O3
0.57ppb
SO2
5.54ppb
NO2
0.31ppm
CO
AQI 93
Moderate
19.01μg/m³
PM2.5
46.14μg/m³
PM10
68.18ppb
O3
0.56ppb
SO2
6.35ppb
NO2
0.30ppm
CO
AQI 93
Moderate
19.02μg/m³
PM2.5
42.02μg/m³
PM10
68.17ppb
O3
0.54ppb
SO2
7.68ppb
NO2
0.30ppm
CO
AQI 67
Moderate
18.05μg/m³
PM2.5
42.30μg/m³
PM10
59.34ppb
O3
0.57ppb
SO2
6.26ppb
NO2
0.30ppm
CO
AQI 74
Moderate
19.31μg/m³
PM2.5
44.04μg/m³
PM10
62.38ppb
O3
0.57ppb
SO2
6.88ppb
NO2
0.30ppm
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 12:00:00, 2025-06-06.
The best air quality in Mansfield, Connecticut was observed at 02:00:00 on 2025-06-06.
The air quality in Mansfield, Connecticut right now is Moderate, with an AQI of 66.
In Mansfield, Connecticut, PM2.5 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 16.673 μg/m3.
Mansfield, Connecticut currently has a PM10 concentration of 67.039 μg/m3.
The current carbon monoxide (CO) level in Mansfield, Connecticut is 0.308 ppm.
The current sulfur dioxide (SO2) concentration in Mansfield, Connecticut is 0.55 ppb.
Mansfield, Connecticut currently has an ozone (O3) concentration of 55.749 ppm.
The current level of nitrogen dioxide (NO2) in Mansfield, Connecticut is 5.937 ppb.
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