Hourly Weather | Today Tuesday, June 9, 2026
Gaithersburg, Maryland
10 PM
Rainy Weather
73°
Feels Like 72°
51
Humidity: 69%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
73°
Feels Like 72°
31
Humidity: 71%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.7 µg/m³
  • PM10: 7.79 µg/m³
  • O3: 0.039 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 7.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 2.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.