Stay updated with real-time air quality in New Britain, 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)
26
Good
New Britain, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.00 μg/m³
0
55
155
255
425
605+
27.62 ppb
0
55
71
86
201
201+
0.19 ppb
0
36
76
186
605
1005+
4.75 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
New Britain, Connecticut
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AQI 25
Good
3.29μg/m³
PM2.5
9.27μg/m³
PM10
27.03ppb
O3
0.23ppb
SO2
5.99ppb
NO2
0.11ppm
CO
AQI 25
Good
3.04μg/m³
PM2.5
16.58μg/m³
PM10
27.23ppb
O3
0.22ppb
SO2
6.13ppb
NO2
0.12ppm
CO
AQI 25
Good
3.00μg/m³
PM2.5
15.71μg/m³
PM10
26.88ppb
O3
0.21ppb
SO2
5.94ppb
NO2
0.12ppm
CO
AQI 25
Good
3.10μg/m³
PM2.5
8.60μg/m³
PM10
27.44ppb
O3
0.25ppb
SO2
5.33ppb
NO2
0.13ppm
CO
AQI 25
Good
3.12μg/m³
PM2.5
15.61μg/m³
PM10
26.69ppb
O3
0.22ppb
SO2
5.80ppb
NO2
0.13ppm
CO
AQI 25
Good
3.27μg/m³
PM2.5
9.37μg/m³
PM10
27.08ppb
O3
0.23ppb
SO2
6.12ppb
NO2
0.10ppm
CO
Air quality data and pollutant measurements for Connecticut, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for New Britain, Connecticut is updated every hour.
The worst air quality in New Britain, Connecticut in the last 24 hours was observed at 04:00:00 on 2026-02-11.
In the last 24 hrs, the best air quality in New Britain, Connecticut was observed at 12:00:00 on 2026-02-12.
The current air quality in New Britain, Connecticut is 26, categorized as Good based on real-time data.
The most common pollutant in New Britain, Connecticut is O3.
If the air quality in New Britain, Connecticut is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at New Britain, Connecticut is 2.817 μg/m3.
The current PM10 concentration at New Britain, Connecticut is 9.003 μg/m3.
The current carbon monoxide (CO) concentration at New Britain, Connecticut is 0.118 ppm.
The current sulfur dioxide (SO2) concentration at New Britain, Connecticut is 0.191 ppb.
The current ozone (O3) concentration at New Britain, Connecticut is 27.622 ppm.
The current nitrogen dioxide (NO2) concentration at New Britain, Connecticut is 4.752 ppb.
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