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)
43
Good
Berlin, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.01 μg/m³
0
55
155
255
425
605+
46.37 ppb
0
55
71
86
201
201+
0.27 ppb
0
36
76
186
605
1005+
5.50 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Berlin, Connecticut
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AQI 42
Good
5.16μg/m³
PM2.5
14.50μg/m³
PM10
45.01ppb
O3
0.28ppb
SO2
4.43ppb
NO2
0.24ppm
CO
AQI 42
Good
5.14μg/m³
PM2.5
13.07μg/m³
PM10
45.10ppb
O3
0.27ppb
SO2
5.57ppb
NO2
0.24ppm
CO
AQI 41
Good
5.23μg/m³
PM2.5
14.54μg/m³
PM10
44.48ppb
O3
0.27ppb
SO2
6.28ppb
NO2
0.27ppm
CO
AQI 42
Good
4.99μg/m³
PM2.5
15.60μg/m³
PM10
44.85ppb
O3
0.26ppb
SO2
5.32ppb
NO2
0.23ppm
CO
AQI 42
Good
4.96μg/m³
PM2.5
15.87μg/m³
PM10
44.95ppb
O3
0.26ppb
SO2
5.26ppb
NO2
0.22ppm
CO
AQI 42
Good
5.20μg/m³
PM2.5
14.52μg/m³
PM10
45.29ppb
O3
0.29ppb
SO2
4.44ppb
NO2
0.19ppm
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 08:00:00, 2026-03-29.
The best air quality in Berlin, Connecticut was observed at 12:00:00 on 2026-03-29.
The air quality in Berlin, Connecticut right now is Good, with an AQI of 42.
In Berlin, Connecticut, O3 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 5.159 μg/m3.
Berlin, Connecticut currently has a PM10 concentration of 14.5 μg/m3.
The current carbon monoxide (CO) level in Berlin, Connecticut is 0.237 ppm.
The current sulfur dioxide (SO2) concentration in Berlin, Connecticut is 0.283 ppb.
Berlin, Connecticut currently has an ozone (O3) concentration of 45.012 ppm.
The current level of nitrogen dioxide (NO2) in Berlin, Connecticut is 4.43 ppb.
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