Hourly Weather | Today Thursday, February 5, 2026
Bethlehem, Pennsylvania
11 PM
Night
12°
Feels Like 12°
0
Frost Risk: 100%
Humidity: 82%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
71 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.7 µg/m³
  • PM10: 28.42 µg/m³
  • O3: 0.014 ppm
  • NO2: 21.8 ppb
  • SO2: 1.7 ppb
  • CO: 0.37 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.