Hourly Weather | Today Sunday, April 26, 2026
Allentown, Pennsylvania
6 PM
Cloudy Weather
59°
Feels Like 59°
0
Humidity: 54%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 57%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 67%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 73%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 79%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 PM
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.74 µg/m³
  • PM10: 3.93 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 5.19 µg/m³
  • O3: 0.043 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.64 µg/m³
  • PM10: 6.44 µg/m³
  • O3: 0.039 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.2 µg/m³
  • PM10: 7.69 µg/m³
  • O3: 0.037 ppm
  • NO2: 5.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.27 µg/m³
  • PM10: 9.53 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.51 µg/m³
  • PM10: 11.51 µg/m³
  • O3: 0.033 ppm
  • NO2: 6 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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