Hourly Weather | Today Thursday, February 5, 2026
Gaithersburg, Maryland
10 PM
Cloudy Night
18°
Feels Like 18°
0
Humidity: 70%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
16°
Feels Like 16°
0
Frost Risk: 100%
Humidity: 84%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
48 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.59 µg/m³
  • PM10: 13.33 µg/m³
  • O3: 0.026 ppm
  • NO2: 7.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

11 PM
49 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 11.84 µg/m³
  • PM10: 13.69 µg/m³
  • O3: 0.025 ppm
  • NO2: 7.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.23 ppm

Health Recommendations:

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