Air Quality in Gaithersburg, United States

Windy
7.7°C · 52.5% humidity
7.7°
Feels 2.7°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
26 9pm
27
26
26 12am
26
26
26 3am
39
39
39 6am
39
39
39 9am
64
64
64 12pm
39
39
64 3pm
39
39
39 6pm
39
39
Station readings
26
27
CAMS model adj -11
37
37
37
37
37
37
37
50
50
50
50
50
50
75
75
75
50
50
75
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

22h · 1 station
52.5%
Humidity
43.1 km/h
Wind SE
1030.8 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Gaithersburg?

Temperature & Precipitation

PM2.53.72 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Gaithersburg?

04-10
17.4° 4.0°
04-11
20.2° 8.2°
04-12
19.7° 11.3°
04-13
25.2° 12.8°
04-14
27.4° 15.9°
04-15
22.3° 17.3°
0.38 mm
04-16
16.0° 9.5°
0.94 mm
Both models agree Avg diff: 4.4°C

Where are air quality stations near Gaithersburg?

23
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km
21
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km
21
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km

What cities are near Gaithersburg?

15 Montgomery Village 16 Redland 15 Germantown 23 Rockville 22 North Potomac 22 Olney 27 North Bethesda 27 Aspen Hill 22 Potomac 14 Damascus

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T00:03 UTC.