Stay updated with real-time air quality in Dale City, 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)
44
Good
Dale City, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.19 μg/m³
0
55
155
255
425
605+
25.25 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
9.57 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Dale City, Virginia
Dale City, Virginia
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AQI 44
Good
8.07μg/m³
PM2.5
24.22μg/m³
PM10
20.14ppb
O3
0.50ppb
SO2
10.71ppb
NO2
0.18ppm
CO
AQI 49
Good
9.36μg/m³
PM2.5
23.96μg/m³
PM10
22.75ppb
O3
0.50ppb
SO2
9.53ppb
NO2
0.18ppm
CO
AQI 38
Good
6.88μg/m³
PM2.5
25.38μg/m³
PM10
26.30ppb
O3
0.59ppb
SO2
12.83ppb
NO2
0.18ppm
CO
AQI 49
Good
9.27μg/m³
PM2.5
23.98μg/m³
PM10
25.53ppb
O3
0.51ppb
SO2
11.53ppb
NO2
0.18ppm
CO
AQI 44
Good
7.56μg/m³
PM2.5
24.89μg/m³
PM10
23.02ppb
O3
0.56ppb
SO2
11.71ppb
NO2
0.18ppm
CO
AQI 44
Good
7.90μg/m³
PM2.5
24.83μg/m³
PM10
20.01ppb
O3
0.52ppb
SO2
10.33ppb
NO2
0.18ppm
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 Dale City, Virginia is updated on an hourly basis.
The worst air quality in Dale City, Virginia was recorded at 03:00:00 on 2026-01-22.
The best air quality in Dale City, Virginia was recorded at 02:00:00 on 2026-01-23.
The real-time air quality index in Dale City, Virginia is 44, currently categorized as Good.
The most common pollutant in Dale City, Virginia is PM2.5.
If the air quality in Dale City, Virginia is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Dale City, Virginia at present are 7.687 μg/m3.
The current PM10 levels in Dale City, Virginia are 25.194 μg/m3.
The current carbon monoxide (CO) level in Dale City, Virginia is 0.18 ppm.
The current sulfur dioxide (SO2) levels in Dale City, Virginia are 0.487 ppb.
The current ozone (O3) levels at Dale City, Virginia is 25.248 ppm.
The current nitrogen dioxide (NO2) levels at Dale City, Virginia is 9.574 ppb.
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