Stay updated with real-time air quality in Hartford, Vermont 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)
52
Moderate
Hartford, Vermont
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.79 μg/m³
0
55
155
255
425
605+
15.47 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
1.53 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Hartford, Vermont
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AQI 33
Good
5.73μg/m³
PM2.5
24.60μg/m³
PM10
7.34ppb
O3
0.27ppb
SO2
6.15ppb
NO2
0.22ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
24.76μg/m³
PM10
7.20ppb
O3
0.27ppb
SO2
6.15ppb
NO2
0.22ppm
CO
AQI 22
Good
3.66μg/m³
PM2.5
21.53μg/m³
PM10
14.54ppb
O3
0.25ppb
SO2
6.10ppb
NO2
0.23ppm
CO
AQI 33
Good
5.60μg/m³
PM2.5
19.00μg/m³
PM10
11.00ppb
O3
0.40ppb
SO2
5.92ppb
NO2
0.23ppm
CO
AQI 23
Good
2.98μg/m³
PM2.5
12.20μg/m³
PM10
25.02ppb
O3
0.55ppb
SO2
6.20ppb
NO2
0.22ppm
CO
AQI 22
Good
4.20μg/m³
PM2.5
19.00μg/m³
PM10
7.01ppb
O3
0.16ppb
SO2
6.08ppb
NO2
0.23ppm
CO
Air quality measurements for Vermont, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Hartford, Vermont is updated on an hourly basis.
The worst air quality in Hartford, Vermont was recorded at 02:00:00 on 2025-09-11.
The best air quality in Hartford, Vermont was recorded at 02:00:00 on 2025-09-11.
The real-time air quality index in Hartford, Vermont is 27, currently categorized as Good.
The most common pollutant in Hartford, Vermont is PM2.5.
If the air quality in Hartford, Vermont is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Hartford, Vermont at present are 5.165 μg/m3.
The current PM10 levels in Hartford, Vermont are 22.721 μg/m3.
The current carbon monoxide (CO) level in Hartford, Vermont is 0.202 ppm.
The current sulfur dioxide (SO2) levels in Hartford, Vermont are 0.279 ppb.
The current ozone (O3) levels at Hartford, Vermont is 13.177 ppm.
The current nitrogen dioxide (NO2) levels at Hartford, Vermont is 4.883 ppb.
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