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)
56
Moderate
Williamsburg, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.77 μg/m³
0
55
155
255
425
605+
21.63 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
15.94 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 56
Moderate
12.42μg/m³
PM2.5
34.41μg/m³
PM10
22.13ppb
O3
0.86ppb
SO2
13.59ppb
NO2
0.24ppm
CO
AQI 54
Moderate
11.48μg/m³
PM2.5
22.70μg/m³
PM10
29.16ppb
O3
0.90ppb
SO2
15.28ppb
NO2
0.23ppm
CO
AQI 54
Moderate
11.12μg/m³
PM2.5
18.11μg/m³
PM10
32.80ppb
O3
0.99ppb
SO2
4.32ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.32μg/m³
PM2.5
18.85μg/m³
PM10
31.44ppb
O3
0.96ppb
SO2
7.61ppb
NO2
0.20ppm
CO
AQI 38
Good
7.28μg/m³
PM2.5
23.31μg/m³
PM10
33.50ppb
O3
0.78ppb
SO2
13.67ppb
NO2
0.30ppm
CO
AQI 44
Good
7.53μg/m³
PM2.5
31.82μg/m³
PM10
25.12ppb
O3
0.69ppb
SO2
9.37ppb
NO2
0.42ppm
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 04:00:00 on 2026-01-23.
The best air quality in Williamsburg, Virginia was recorded at 05:00:00 on 2026-01-22.
The real-time air quality index in Williamsburg, Virginia is 56, 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 12.26 μg/m3.
The current PM10 levels in Williamsburg, Virginia are 29.768 μg/m3.
The current carbon monoxide (CO) level in Williamsburg, Virginia is 0.281 ppm.
The current sulfur dioxide (SO2) levels in Williamsburg, Virginia are 0.802 ppb.
The current ozone (O3) levels at Williamsburg, Virginia is 21.629 ppm.
The current nitrogen dioxide (NO2) levels at Williamsburg, Virginia is 15.944 ppb.
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