Stay updated with real-time air quality in Williamsburg, Virginia 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)
54
Moderate
Williamsburg, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.13 μg/m³
0
55
155
255
425
605+
4.51 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
12.39 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Williamsburg, Virginia
Williamsburg, Virginia
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AQI 49
Good
8.74μg/m³
PM2.5
40.88μg/m³
PM10
6.84ppb
O3
0.46ppb
SO2
10.92ppb
NO2
0.25ppm
CO
AQI 51
Moderate
6.80μg/m³
PM2.5
55.05μg/m³
PM10
4.64ppb
O3
0.46ppb
SO2
8.41ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.46μg/m³
PM2.5
12.27μg/m³
PM10
11.80ppb
O3
0.50ppb
SO2
5.01ppb
NO2
0.20ppm
CO
AQI 56
Moderate
11.82μg/m³
PM2.5
13.56μg/m³
PM10
10.34ppb
O3
0.47ppb
SO2
9.00ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.21μg/m³
PM2.5
36.60μg/m³
PM10
8.34ppb
O3
0.41ppb
SO2
12.28ppb
NO2
0.28ppm
CO
AQI 67
Moderate
18.33μg/m³
PM2.5
77.52μg/m³
PM10
5.71ppb
O3
0.37ppb
SO2
17.46ppb
NO2
0.31ppm
CO
Air quality measurements for Virginia, 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 Williamsburg, Virginia is updated on an hourly basis.
The worst air quality in Williamsburg, Virginia was recorded at 06:00:00 on 2025-12-07.
The best air quality in Williamsburg, Virginia was recorded at 08:00:00 on 2025-12-06.
The real-time air quality index in Williamsburg, Virginia is 54, currently categorized as Moderate.
The most common pollutant in Williamsburg, Virginia is PM2.5.
If the air quality in Williamsburg, Virginia is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Williamsburg, Virginia at present are 10.695 μg/m3.
The current PM10 levels in Williamsburg, Virginia are 43.128 μg/m3.
The current carbon monoxide (CO) level in Williamsburg, Virginia is 0.276 ppm.
The current sulfur dioxide (SO2) levels in Williamsburg, Virginia are 0.435 ppb.
The current ozone (O3) levels at Williamsburg, Virginia is 4.507 ppm.
The current nitrogen dioxide (NO2) levels at Williamsburg, Virginia is 12.392 ppb.
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