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)
105
Unhealthy for sensitive groups
West Hartford, Connecticut
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
21.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.38 μg/m³
0
55
155
255
425
605+
71.78 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
13.72 ppb
0
54
101
361
1250
2050+
0.39 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 66
Moderate
16.79μg/m³
PM2.5
57.38μg/m³
PM10
57.66ppb
O3
0.47ppb
SO2
8.96ppb
NO2
0.29ppm
CO
AQI 100
Moderate
21.50μg/m³
PM2.5
36.17μg/m³
PM10
70.31ppb
O3
0.51ppb
SO2
14.87ppb
NO2
0.30ppm
CO
AQI 100
Moderate
21.90μg/m³
PM2.5
38.51μg/m³
PM10
70.09ppb
O3
0.52ppb
SO2
11.03ppb
NO2
0.30ppm
CO
AQI 101
Unhealthy for sensitive groups
21.91μg/m³
PM2.5
38.35μg/m³
PM10
70.51ppb
O3
0.48ppb
SO2
10.91ppb
NO2
0.30ppm
CO
AQI 84
Moderate
16.35μg/m³
PM2.5
53.06μg/m³
PM10
64.70ppb
O3
0.50ppb
SO2
9.44ppb
NO2
0.29ppm
CO
AQI 101
Unhealthy for sensitive groups
22.18μg/m³
PM2.5
38.24μg/m³
PM10
70.57ppb
O3
0.50ppb
SO2
9.91ppb
NO2
0.30ppm
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 12:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in West Hartford, Connecticut was observed at 04:00:00 on 2025-06-06.
As of now, the AQI in West Hartford, Connecticut is 105, indicating Unhealthy for Sensitive Groups 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 21.67 μg/m3.
The PM10 concentration in West Hartford, Connecticut is 38.381 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hartford, Connecticut is 0.388 ppm.
Currently, West Hartford, Connecticut has a sulfur dioxide (SO2) concentration of 0.571 ppb.
The current ozone (O3) level in West Hartford, Connecticut at the moment is 71.776 ppm.
Nitrogen dioxide (NO2) level in West Hartford, Connecticut at the moment is 13.72 ppb.
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