Hourly Weather | Today Tuesday, December 9, 2025
Philadelphia, Pennsylvania
10 PM
Cloudy Weather
36°
Feels Like 27°
0
Humidity: 59%
Wind: 10 mph
UV Index: 0
11 PM
Cloudy Weather
36°
Feels Like 27°
0
Humidity: 61%
Wind: 10 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.63 µg/m³
  • PM10: 8.35 µg/m³
  • O3: 0.035 ppm
  • NO2: 4 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.7 µg/m³
  • PM10: 8.21 µg/m³
  • O3: 0.037 ppm
  • NO2: 3.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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