Hourly Weather | Today Friday, June 5, 2026
Allentown, Pennsylvania
9 PM
Cloudy Night
81°
Feels Like 77°
0
Humidity: 48%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 50%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
73°
Feels Like 72°
0
Humidity: 57%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
82 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 18.87 µg/m³
  • PM10: 20.38 µg/m³
  • O3: 0.064 ppm
  • NO2: 3.8 ppb
  • SO2: 1.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 PM
60 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.51 µg/m³
  • PM10: 18.06 µg/m³
  • O3: 0.055 ppm
  • NO2: 4.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 14.75 µg/m³
  • PM10: 16.38 µg/m³
  • O3: 0.047 ppm
  • NO2: 5.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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