Hourly Weather | Today Tuesday, September 1, 2026
Reading, Pennsylvania
12 PM
Cloudy Weather
82°
Feels Like 93°
47
Humidity: 76%
UV Index: 5
Wind: 7 mph
1 PM
Cloudy Weather
84°
Feels Like 95°
40
Humidity: 67%
UV Index: 6
Wind: 8 mph
2 PM
Cloudy Weather
86°
Feels Like 97°
34
Humidity: 64%
UV Index: 5
Wind: 9 mph
3 PM
Cloudy Weather
88°
Feels Like 97°
34
Humidity: 62%
UV Index: 5
Wind: 9 mph
4 PM
Cloudy Weather
88°
Feels Like 97°
37
Humidity: 60%
UV Index: 4
Wind: 9 mph
5 PM
Cloudy Weather
88°
Feels Like 93°
43
Humidity: 63%
UV Index: 2
Wind: 9 mph
6 PM
Cloudy Weather
84°
Feels Like 91°
47
Humidity: 67%
UV Index: 1
Wind: 8 mph
7 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 86°
51
Humidity: 80%
UV Index: 0
Wind: 7 mph
8 PM
Stormy Weather
81°
Feels Like 84°
51
Humidity: 80%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
79°
Feels Like 84°
47
Humidity: 86%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
75°
Feels Like 82°
40
Humidity: 92%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
73°
Feels Like 79°
34
Humidity: 97%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.55 µg/m³
  • PM10: 10.87 µg/m³
  • O3: 0.046 ppm
  • NO2: 3.4 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.78 µg/m³
  • PM10: 9.75 µg/m³
  • O3: 0.053 ppm
  • NO2: 2.2 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
54 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 8.61 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
56 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.84 µg/m³
  • PM10: 7.5 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 6.63 µg/m³
  • O3: 0.054 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.35 µg/m³
  • PM10: 5.94 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 6.35 µg/m³
  • O3: 0.035 ppm
  • NO2: 7.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.38 µg/m³
  • PM10: 6.99 µg/m³
  • O3: 0.028 ppm
  • NO2: 9.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

9 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.64 µg/m³
  • PM10: 7.61 µg/m³
  • O3: 0.024 ppm
  • NO2: 9.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

10 PM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.01 µg/m³
  • PM10: 8.12 µg/m³
  • O3: 0.022 ppm
  • NO2: 9.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.32 µg/m³
  • PM10: 8.33 µg/m³
  • O3: 0.022 ppm
  • NO2: 8.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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