Current air quality index in Bethel, Connecticut today
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)
52
Moderate
Bethel, Connecticut
Last updated: ... (Local time)
Common air pollutants in Bethel, Connecticut
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
10.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
17.86 μg/m³
0
55
155
255
425
605+
Ozone (O3)
14.23 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.28 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
18.98 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bethel, Connecticut
Bethel, Connecticut
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Air quality in nearby cities
Danbury, Connecticut
AQI 52
Moderate
10.21μg/m³
PM2.5
16.12μg/m³
PM10
14.24ppb
O3
0.29ppb
SO2
18.50ppb
NO2
0.41ppm
CO
Newtown, Connecticut
AQI 54
Moderate
11.02μg/m³
PM2.5
35.80μg/m³
PM10
14.27ppb
O3
0.27ppb
SO2
19.47ppb
NO2
0.40ppm
CO
Brookfield, Connecticut
AQI 54
Moderate
10.51μg/m³
PM2.5
19.47μg/m³
PM10
14.37ppb
O3
0.28ppb
SO2
19.33ppb
NO2
0.41ppm
CO
Ridgefield, Connecticut
AQI 58
Moderate
12.84μg/m³
PM2.5
37.17μg/m³
PM10
9.57ppb
O3
0.28ppb
SO2
25.66ppb
NO2
0.42ppm
CO
New Fairfield, Connecticut
AQI 52
Moderate
10.40μg/m³
PM2.5
22.10μg/m³
PM10
14.48ppb
O3
0.29ppb
SO2
18.98ppb
NO2
0.40ppm
CO
Lewisboro, New York
AQI 58
Moderate
13.16μg/m³
PM2.5
54.55μg/m³
PM10
8.80ppb
O3
0.33ppb
SO2
27.34ppb
NO2
0.40ppm
CO
How accurate is Connecticut, USA air quality data?
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
Frequently asked questions
How frequently does the air quality data for Bethel, Connecticut get updated?
Air quality updates for Bethel, Connecticut are available every hour.
What time in the past 24 hours saw the poorest air quality in Bethel, Connecticut?
Bethel, Connecticut experienced its worst air quality at 03:00:00, 2025-12-28.
When was air quality in Bethel, Connecticut the best over the past 24 hours?
The best air quality in Bethel, Connecticut was observed at 11:00:00 on 2025-12-27.
What is the air quality in Bethel, Connecticut right now?
The air quality in Bethel, Connecticut right now is Moderate, with an AQI of 52.
What pollutant is most frequently found in Bethel, Connecticut?
In Bethel, Connecticut, PM2.5 is the most frequently found pollutant.
What can I do if the air quality in Bethel, Connecticut is poor?
When air quality in Bethel, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
What is the PM2.5 concentration in Bethel, Connecticut right now?
Bethel, Connecticut currently has a PM2.5 concentration of 10.407 μg/m3.
What is the current level of PM10 in Bethel, Connecticut?
Bethel, Connecticut currently has a PM10 concentration of 17.859 μg/m3.
What is the current level of carbon monoxide (CO) in Bethel, Connecticut?
The current carbon monoxide (CO) level in Bethel, Connecticut is 0.406 ppm.
What is the current level of sulfur dioxide (SO2) in Bethel, Connecticut?
The current sulfur dioxide (SO2) concentration in Bethel, Connecticut is 0.284 ppb.
What is the current level of ozone (O3) in Bethel, Connecticut?
Bethel, Connecticut currently has an ozone (O3) concentration of 14.232 ppm.
What is the current level of nitrogen dioxide (NO2) in Bethel, Connecticut?
The current level of nitrogen dioxide (NO2) in Bethel, Connecticut is 18.978 ppb.
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