Stay updated with real-time air quality in West Hartford, 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)
29
Good
West Hartford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.80 μg/m³
0
55
155
255
425
605+
31.45 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
2.81 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Hartford, Connecticut
West Hartford, Connecticut
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AQI 27
Good
5.26μg/m³
PM2.5
16.17μg/m³
PM10
27.54ppb
O3
0.32ppb
SO2
12.33ppb
NO2
0.21ppm
CO
AQI 28
Good
5.09μg/m³
PM2.5
10.97μg/m³
PM10
29.99ppb
O3
0.29ppb
SO2
16.25ppb
NO2
0.20ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
11.20μg/m³
PM10
28.85ppb
O3
0.28ppb
SO2
12.94ppb
NO2
0.20ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
10.93μg/m³
PM10
28.87ppb
O3
0.30ppb
SO2
13.27ppb
NO2
0.20ppm
CO
AQI 27
Good
5.15μg/m³
PM2.5
12.83μg/m³
PM10
26.46ppb
O3
0.30ppb
SO2
12.23ppb
NO2
0.20ppm
CO
AQI 27
Good
4.99μg/m³
PM2.5
10.74μg/m³
PM10
28.40ppb
O3
0.29ppb
SO2
12.27ppb
NO2
0.20ppm
CO
Air quality and pollutant data for Connecticut, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for West Hartford, Connecticut is updated every hour for accuracy.
In the past 24 hours, the air quality in West Hartford, Connecticut was at its worst at 02:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in West Hartford, Connecticut was observed at 01:00:00 on 2025-11-04.
As of now, the AQI in West Hartford, Connecticut is 27, indicating Good conditions.
West Hartford, Connecticut air has the highest levels of O3.
Poor air quality in West Hartford, Connecticut means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Hartford, Connecticut are currently 5.016 μg/m3.
The PM10 concentration in West Hartford, Connecticut is 10.976 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hartford, Connecticut is 0.201 ppm.
Currently, West Hartford, Connecticut has a sulfur dioxide (SO2) concentration of 0.296 ppb.
The current ozone (O3) level in West Hartford, Connecticut at the moment is 29.137 ppm.
Nitrogen dioxide (NO2) level in West Hartford, Connecticut at the moment is 13.952 ppb.
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