Hourly Weather | Today Monday, September 14, 2026
Grand Rapids, Michigan
11 PM
Cloudy Weather
70°
Feels Like 72°
20
Humidity: 91%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.38 µg/m³
  • PM10: 2.87 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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