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)
58
Moderate
West Hartford, Connecticut
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.53 μg/m³
0
55
155
255
425
605+
39.80 ppb
0
55
71
86
201
201+
0.26 ppb
0
36
76
186
605
1005+
3.59 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Hartford, Connecticut
West Hartford, Connecticut
Scroll To Air Quality MapLoading...
AQI 54
Moderate
11.25μg/m³
PM2.5
23.47μg/m³
PM10
31.83ppb
O3
0.27ppb
SO2
3.88ppb
NO2
0.15ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
21.00μg/m³
PM10
34.72ppb
O3
0.27ppb
SO2
4.51ppb
NO2
0.10ppm
CO
AQI 56
Moderate
11.63μg/m³
PM2.5
22.89μg/m³
PM10
33.97ppb
O3
0.26ppb
SO2
3.90ppb
NO2
0.11ppm
CO
AQI 54
Moderate
11.31μg/m³
PM2.5
25.15μg/m³
PM10
34.27ppb
O3
0.27ppb
SO2
4.33ppb
NO2
0.13ppm
CO
AQI 54
Moderate
11.11μg/m³
PM2.5
23.82μg/m³
PM10
32.46ppb
O3
0.27ppb
SO2
3.83ppb
NO2
0.14ppm
CO
AQI 54
Moderate
11.46μg/m³
PM2.5
23.66μg/m³
PM10
33.89ppb
O3
0.27ppb
SO2
3.86ppb
NO2
0.12ppm
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 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in West Hartford, Connecticut was observed at 02:00:00 on 2026-06-29.
As of now, the AQI in West Hartford, Connecticut is 58, indicating Moderate conditions.
West Hartford, Connecticut air has the highest levels of PM2.5.
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 12.851 μg/m3.
The PM10 concentration in West Hartford, Connecticut is 21.532 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Hartford, Connecticut is 0.114 ppm.
Currently, West Hartford, Connecticut has a sulfur dioxide (SO2) concentration of 0.255 ppb.
The current ozone (O3) level in West Hartford, Connecticut at the moment is 39.8 ppm.
Nitrogen dioxide (NO2) level in West Hartford, Connecticut at the moment is 3.594 ppb.
All Rights Reserved © Ambee Inc. 2025