Hourly Weather | Today Monday, September 21, 2026
Reading, Pennsylvania
3 PM
Cloudy Weather
70°
Feels Like 70°
33
Humidity: 59%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
68°
Feels Like 66°
34
Humidity: 62%
UV Index: 1
Wind: 7 mph
5 PM
Cloudy Weather
66°
Feels Like 66°
37
Humidity: 65%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
66°
Feels Like 64°
40
Humidity: 67%
UV Index: 0
Wind: 7 mph
7 PM
Rainy Weather
64°
Feels Like 61°
44
Humidity: 72%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
39
Humidity: 78%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
63°
Feels Like 61°
34
Humidity: 83%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
63°
Feels Like 61°
39
Humidity: 84%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
61°
Feels Like 59°
49
Humidity: 87%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.6 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

4 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.27 µg/m³
  • PM10: 5.15 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 5.59 µg/m³
  • O3: 0.036 ppm
  • NO2: 3.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.89 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.4 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.08 µg/m³
  • PM10: 6.22 µg/m³
  • O3: 0.036 ppm
  • NO2: 5 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.23 µg/m³
  • PM10: 6.59 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.21 µg/m³
  • PM10: 6.61 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.2 ppb
  • SO2: 1.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.14 µg/m³
  • PM10: 6.43 µg/m³
  • O3: 0.032 ppm
  • NO2: 5 ppb
  • SO2: 1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.031 ppm
  • NO2: 4.8 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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