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)
54
Moderate
Mansfield, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.36 μg/m³
0
55
155
255
425
605+
36.34 ppb
0
55
71
86
201
201+
0.13 ppb
0
36
76
186
605
1005+
8.19 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mansfield, Connecticut
Mansfield, Connecticut
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AQI 142
Unhealthy for sensitive groups
52.29μg/m³
PM2.5
109.00μg/m³
PM10
41.12ppb
O3
0.14ppb
SO2
3.58ppb
NO2
0.42ppm
CO
AQI 107
Unhealthy for sensitive groups
31.74μg/m³
PM2.5
167.32μg/m³
PM10
40.94ppb
O3
0.14ppb
SO2
3.88ppb
NO2
0.41ppm
CO
AQI 142
Unhealthy for sensitive groups
52.46μg/m³
PM2.5
112.60μg/m³
PM10
41.90ppb
O3
0.14ppb
SO2
3.48ppb
NO2
0.42ppm
CO
AQI 147
Unhealthy for sensitive groups
54.23μg/m³
PM2.5
80.45μg/m³
PM10
42.10ppb
O3
0.40ppb
SO2
4.43ppb
NO2
0.44ppm
CO
AQI 137
Unhealthy for sensitive groups
49.80μg/m³
PM2.5
136.12μg/m³
PM10
40.26ppb
O3
0.15ppb
SO2
3.09ppb
NO2
0.41ppm
CO
AQI 142
Unhealthy for sensitive groups
52.32μg/m³
PM2.5
134.15μg/m³
PM10
42.07ppb
O3
0.21ppb
SO2
3.28ppb
NO2
0.43ppm
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 05:00:00, 2025-07-26.
The best air quality in Mansfield, Connecticut was observed at 03:00:00 on 2025-07-26.
The air quality in Mansfield, Connecticut right now is Unhealthy for Sensitive Groups, with an AQI of 117.
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 41.845 μg/m3.
Mansfield, Connecticut currently has a PM10 concentration of 113.008 μg/m3.
The current carbon monoxide (CO) level in Mansfield, Connecticut is 0.396 ppm.
The current sulfur dioxide (SO2) concentration in Mansfield, Connecticut is 0.181 ppb.
Mansfield, Connecticut currently has an ozone (O3) concentration of 41.887 ppm.
The current level of nitrogen dioxide (NO2) in Mansfield, Connecticut is 2.722 ppb.
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