Stay updated with real-time air quality in Manassas, 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)
29
Good
Manassas, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.88 μg/m³
0
55
155
255
425
605+
31.08 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
2.58 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Manassas, Virginia
Manassas, Virginia
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AQI 29
Good
3.33μg/m³
PM2.5
14.36μg/m³
PM10
30.68ppb
O3
0.20ppb
SO2
2.07ppb
NO2
0.10ppm
CO
AQI 28
Good
3.64μg/m³
PM2.5
15.53μg/m³
PM10
30.47ppb
O3
0.20ppb
SO2
2.06ppb
NO2
0.10ppm
CO
AQI 30
Good
3.10μg/m³
PM2.5
12.87μg/m³
PM10
32.15ppb
O3
0.20ppb
SO2
2.55ppb
NO2
0.10ppm
CO
AQI 29
Good
3.33μg/m³
PM2.5
14.36μg/m³
PM10
30.68ppb
O3
0.20ppb
SO2
2.07ppb
NO2
0.10ppm
CO
AQI 30
Good
3.10μg/m³
PM2.5
12.87μg/m³
PM10
32.15ppb
O3
0.20ppb
SO2
2.55ppb
NO2
0.10ppm
CO
AQI 30
Good
3.10μg/m³
PM2.5
11.43μg/m³
PM10
32.40ppb
O3
0.48ppb
SO2
2.31ppb
NO2
0.10ppm
CO
Air quality and pollutant data for Virginia, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Manassas, Virginia is updated every hour for accuracy.
In the past 24 hours, the air quality in Manassas, Virginia was at its worst at 10:00:00 on 2026-10-21.
In the last 24 hours, the best air quality in Manassas, Virginia was observed at 12:00:00 on 2026-10-22.
As of now, the AQI in Manassas, Virginia is 29, indicating Good conditions.
Manassas, Virginia air has the highest levels of O3.
Poor air quality in Manassas, Virginia means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Manassas, Virginia are currently 3.254 μg/m3.
The PM10 concentration in Manassas, Virginia is 12.877 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Manassas, Virginia is 0.1 ppm.
Currently, Manassas, Virginia has a sulfur dioxide (SO2) concentration of 0.202 ppb.
The current ozone (O3) level in Manassas, Virginia at the moment is 31.082 ppm.
Nitrogen dioxide (NO2) level in Manassas, Virginia at the moment is 2.583 ppb.
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