Air Quality in Gaithersburg, United States

Clear
25.8°C · 49.0% humidity
25.8°
Feels 25.8°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 7pm
25
25
37 10pm
34
31
29 1am
28
27
27 4am
26
28
28 7am
27
27
34 10am
27
25
25 1pm
25
25
25 4pm
27
27
AD 728×90

Air Quality Index Trend

45h · 30 stn

Gaithersburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

49.0%
Humidity
34.2 km/h
Wind NNE
1012.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Gaithersburg?

Temperature & Precipitation

PM2.5 Trend

45h · 30 stations
PM2.58.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
8.9
Median
8.9
Average
8.9
Low
8.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.7

What is the 7-day forecast for Gaithersburg?

08-03
25.8° 19.1°
11.19 mm
08-04
37.0° 20.7°
08-05
32.1° 18.8°
0.13 mm
08-06
28.8° 20.4°
08-07
33.5° 20.6°
4.25 mm
08-08
37.0° 21.1°
1.19 mm
08-09
34.8° 21.9°
0.38 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Gaithersburg?

20
Rockville, Maryland, USA
8.8 km PM2.5: 4.8 µg/m³
32
Center City Brightwood Campus
25.0 km PM2.5: 7.7 µg/m³
31
3414 Nebraska Ave NW
25.3 km PM2.5: 7.5 µg/m³
30
LAMB
25.8 km PM2.5: 7.1 µg/m³
37
Friendship Ideal
25.8 km PM2.5: 8.9 µg/m³
16
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km PM2.5: 3.8 µg/m³
38
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km PM2.5: 9.1 µg/m³
31
Ashburn - Broad Run High School, Northern Virginia, USA
28.1 km PM2.5: 7.4 µg/m³
28
Savannah Terrace SE
29.5 km PM2.5: 6.7 µg/m³
35
Lee Montessori Brookland
29.7 km PM2.5: 8.3 µg/m³

What cities are near Gaithersburg?

37 Montgomery Village 37 Redland 37 Germantown 37 Rockville 37 North Potomac 37 Olney 38 North Bethesda 37 Aspen Hill 37 Potomac 37 Damascus
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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 2026-08-08T02:05 UTC.