Stay updated with real-time air quality in Bethel, 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)
122
Unhealthy for sensitive groups
Bethel, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
22.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.10 μg/m³
0
55
155
255
425
605+
76.67 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
8.19 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Bethel, Connecticut
Bethel, Connecticut
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AQI 115
Unhealthy for sensitive groups
21.98μg/m³
PM2.5
32.18μg/m³
PM10
74.95ppb
O3
0.52ppb
SO2
7.45ppb
NO2
0.33ppm
CO
AQI 101
Unhealthy for sensitive groups
19.93μg/m³
PM2.5
58.44μg/m³
PM10
71.05ppb
O3
0.46ppb
SO2
6.34ppb
NO2
0.32ppm
CO
AQI 112
Unhealthy for sensitive groups
21.46μg/m³
PM2.5
36.52μg/m³
PM10
73.53ppb
O3
0.51ppb
SO2
7.28ppb
NO2
0.33ppm
CO
AQI 101
Unhealthy for sensitive groups
20.39μg/m³
PM2.5
58.41μg/m³
PM10
71.36ppb
O3
0.54ppb
SO2
5.91ppb
NO2
0.34ppm
CO
AQI 100
Moderate
21.32μg/m³
PM2.5
40.90μg/m³
PM10
70.46ppb
O3
0.53ppb
SO2
7.39ppb
NO2
0.33ppm
CO
AQI 108
Unhealthy for sensitive groups
21.76μg/m³
PM2.5
36.44μg/m³
PM10
72.60ppb
O3
0.59ppb
SO2
7.51ppb
NO2
0.38ppm
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 Bethel, Connecticut are available every hour.
Bethel, Connecticut experienced its worst air quality at 11:00:00, 2025-06-05.
The best air quality in Bethel, Connecticut was observed at 03:00:00 on 2025-06-06.
The air quality in Bethel, Connecticut right now is Unhealthy for Sensitive Groups, with an AQI of 122.
In Bethel, Connecticut, O3 is the most frequently found pollutant.
When air quality in Bethel, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Bethel, Connecticut currently has a PM2.5 concentration of 22.035 μg/m3.
Bethel, Connecticut currently has a PM10 concentration of 36.105 μg/m3.
The current carbon monoxide (CO) level in Bethel, Connecticut is 0.36 ppm.
The current sulfur dioxide (SO2) concentration in Bethel, Connecticut is 0.552 ppb.
Bethel, Connecticut currently has an ozone (O3) concentration of 76.666 ppm.
The current level of nitrogen dioxide (NO2) in Bethel, Connecticut is 8.191 ppb.
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