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

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.33 μg/m³
0
55
155
255
425
605+
2.55 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
16.58 ppb
0
54
101
361
1250
2050+
0.49 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Warrenton, Virginia
Warrenton, Virginia
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AQI 56
Moderate
11.90μg/m³
PM2.5
34.37μg/m³
PM10
11.35ppb
O3
0.70ppb
SO2
8.21ppb
NO2
0.49ppm
CO
AQI 56
Moderate
11.84μg/m³
PM2.5
33.91μg/m³
PM10
11.53ppb
O3
0.70ppb
SO2
7.97ppb
NO2
0.49ppm
CO
AQI 56
Moderate
11.65μg/m³
PM2.5
32.30μg/m³
PM10
4.08ppb
O3
0.71ppb
SO2
10.21ppb
NO2
0.49ppm
CO
AQI 56
Moderate
12.16μg/m³
PM2.5
50.70μg/m³
PM10
10.70ppb
O3
0.67ppb
SO2
10.75ppb
NO2
0.49ppm
CO
AQI 56
Moderate
12.16μg/m³
PM2.5
50.70μg/m³
PM10
10.70ppb
O3
0.67ppb
SO2
10.75ppb
NO2
0.49ppm
CO
AQI 54
Moderate
11.34μg/m³
PM2.5
36.09μg/m³
PM10
11.47ppb
O3
0.69ppb
SO2
11.07ppb
NO2
0.49ppm
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 Warrenton, Virginia is updated on an hourly basis.
The worst air quality in Warrenton, Virginia was recorded at 02:00:00 on 2025-12-07.
The best air quality in Warrenton, Virginia was recorded at 11:00:00 on 2025-12-06.
The real-time air quality index in Warrenton, Virginia is 54, currently categorized as Moderate.
The most common pollutant in Warrenton, Virginia is PM2.5.
If the air quality in Warrenton, Virginia is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Warrenton, Virginia at present are 11.407 μg/m3.
The current PM10 levels in Warrenton, Virginia are 51.325 μg/m3.
The current carbon monoxide (CO) level in Warrenton, Virginia is 0.489 ppm.
The current sulfur dioxide (SO2) levels in Warrenton, Virginia are 0.771 ppb.
The current ozone (O3) levels at Warrenton, Virginia is 2.553 ppm.
The current nitrogen dioxide (NO2) levels at Warrenton, Virginia is 16.582 ppb.
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