Hourly Weather | Today › Sunday, October 4, 2026
Allentown, Pennsylvania
7 PM
Cloudy Weather
57°
Feels Like 57°
40
Humidity: 91%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
57°
Feels Like 55°
36
Humidity: 94%
UV Index: 0
Wind: 5 mph
9 PM
Rainy Weather
55°
Feels Like 55°
40
Humidity: 96%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
57°
Feels Like 57°
36
Humidity: 96%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
55°
Feels Like 57°
34
Humidity: 97%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
20 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.63 µg/m³
  • PM10: 3.75 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

8 PM
19 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.83 µg/m³
  • PM10: 4.12 µg/m³
  • O3: 0.021 ppm
  • NO2: 4.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 PM
18 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.019 ppm
  • NO2: 4.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.33 µg/m³
  • PM10: 5.35 µg/m³
  • O3: 0.018 ppm
  • NO2: 4.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 PM
15 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 6.03 µg/m³
  • O3: 0.016 ppm
  • NO2: 5 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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