Air Quality in Manassas, United States
Drizzle
33.2°C · 50.4% humidity
33.2°
Feels 37.7°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
25
12pm
25
25
28
3pm
25
25
25
6pm
25
25
27
9pm
34
34
34
12am
27
27
27
3am
25
25
25
6am
25
25
27
9am
27
27
Air Quality Index Trend
45h · 24 stnManassas's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
50.4%
Humidity
15.5 km/h
Wind N
1016.3 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Manassas?
Temperature & Precipitation
PM2.5 Trend
45h · 24 stationsPM2.56.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (1 station within 25 km)
6.7
Median
6.7
Average
6.7
Low
6.7
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.4
What is the 7-day forecast for Manassas?
09-05
33.2° 15.8°
18.75 mm
09-06
24.3° 19.5°
2.31 mm
09-07
22.7° 16.6°
0.63 mm
09-08
30.0° 17.4°
0.81 mm
09-09
27.8° 16.5°
0.19 mm
09-10
28.1° 18.2°
8.87 mm
09-11
34.9° 14.5°
Both models agree
Avg diff: 4.6°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T19:12 UTC.