Stay updated with real-time air quality in Berlin, 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
Berlin, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.27 μg/m³
0
55
155
255
425
605+
8.08 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
15.75 ppb
0
54
101
361
1250
2050+
0.78 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Berlin, Connecticut
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AQI 54
Moderate
11.01μg/m³
PM2.5
56.27μg/m³
PM10
8.08ppb
O3
0.61ppb
SO2
15.75ppb
NO2
0.78ppm
CO
AQI 54
Moderate
11.40μg/m³
PM2.5
43.11μg/m³
PM10
7.88ppb
O3
0.60ppb
SO2
20.93ppb
NO2
0.81ppm
CO
AQI 60
Moderate
13.75μg/m³
PM2.5
33.55μg/m³
PM10
5.28ppb
O3
0.59ppb
SO2
25.95ppb
NO2
0.96ppm
CO
AQI 56
Moderate
11.60μg/m³
PM2.5
49.88μg/m³
PM10
9.71ppb
O3
0.61ppb
SO2
20.27ppb
NO2
0.77ppm
CO
AQI 54
Moderate
11.08μg/m³
PM2.5
53.28μg/m³
PM10
10.62ppb
O3
0.61ppb
SO2
19.14ppb
NO2
0.73ppm
CO
AQI 54
Moderate
10.89μg/m³
PM2.5
57.91μg/m³
PM10
9.02ppb
O3
0.75ppb
SO2
15.83ppb
NO2
0.62ppm
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 Berlin, Connecticut are available every hour.
Berlin, Connecticut experienced its worst air quality at 02:00:00, 2026-03-09.
The best air quality in Berlin, Connecticut was observed at 11:00:00 on 2026-03-08.
The air quality in Berlin, Connecticut right now is Moderate, with an AQI of 54.
In Berlin, Connecticut, PM2.5 is the most frequently found pollutant.
When air quality in Berlin, Connecticut is compromised, staying indoors and wearing a mask can reduce health risks.
Berlin, Connecticut currently has a PM2.5 concentration of 11.01 μg/m3.
Berlin, Connecticut currently has a PM10 concentration of 56.272 μg/m3.
The current carbon monoxide (CO) level in Berlin, Connecticut is 0.777 ppm.
The current sulfur dioxide (SO2) concentration in Berlin, Connecticut is 0.614 ppb.
Berlin, Connecticut currently has an ozone (O3) concentration of 8.081 ppm.
The current level of nitrogen dioxide (NO2) in Berlin, Connecticut is 15.75 ppb.
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