Hourly Weather | Today › Saturday, October 3, 2026
Philadelphia, Pennsylvania
10 PM
Cloudy Night
63°
Feels Like 61°
7
Humidity: 76%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
63°
Feels Like 61°
7
Humidity: 77%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 5.34 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 5.71 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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