Hourly Weather | Today Wednesday, August 5, 2026
Allentown, Pennsylvania
7 AM
Cloudy Weather
66°
Feels Like 66°
1
Humidity: 84%
UV Index: 0
Wind: 2 mph
8 AM
Cloudy Weather
70°
Feels Like 72°
5
Humidity: 86%
UV Index: 1
Wind: 4 mph
9 AM
Cloudy Weather
70°
Feels Like 73°
5
Humidity: 85%
UV Index: 2
Wind: 4 mph
10 AM
Cloudy Weather
73°
Feels Like 77°
6
Humidity: 77%
UV Index: 2
Wind: 5 mph
11 AM
Cloudy Weather
75°
Feels Like 81°
7
Humidity: 71%
UV Index: 3
Wind: 5 mph
12 PM
Cloudy Weather
75°
Feels Like 82°
7
Humidity: 69%
UV Index: 4
Wind: 6 mph
1 PM
Cloudy Weather
77°
Feels Like 84°
11
Humidity: 69%
UV Index: 5
Wind: 6 mph
2 PM
Cloudy Weather
79°
Feels Like 84°
23
Humidity: 70%
UV Index: 4
Wind: 6 mph
3 PM
Cloudy Weather
79°
Feels Like 84°
23
Humidity: 70%
UV Index: 3
Wind: 6 mph
4 PM
Cloudy Weather
81°
Feels Like 86°
28
Humidity: 69%
UV Index: 2
Wind: 6 mph
5 PM
Cloudy Weather
79°
Feels Like 84°
49
Humidity: 74%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
79°
Feels Like 84°
49
Humidity: 80%
UV Index: 1
Wind: 6 mph
7 PM
Sunny with a Chance of Thunderstorms
75°
Feels Like 77°
64
Humidity: 86%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
75°
Feels Like 82°
40
Humidity: 92%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Weather
75°
Feels Like 81°
34
Humidity: 94%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Weather
73°
Feels Like 81°
37
Humidity: 98%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Weather
73°
Feels Like 79°
43
Humidity: 100%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 11.45 µg/m³
  • O3: 0.014 ppm
  • NO2: 3 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.06 µg/m³
  • PM10: 10.93 µg/m³
  • O3: 0.011 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 AM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.8 µg/m³
  • PM10: 10.36 µg/m³
  • O3: 0.009 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.49 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.008 ppm
  • NO2: 4.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.12 µg/m³
  • PM10: 8.95 µg/m³
  • O3: 0.009 ppm
  • NO2: 4.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.35 µg/m³
  • PM10: 7.73 µg/m³
  • O3: 0.014 ppm
  • NO2: 3.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

1 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.61 µg/m³
  • PM10: 6.8 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

2 PM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.25 µg/m³
  • PM10: 6.31 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.38 µg/m³
  • PM10: 6.2 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 6.19 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.16 µg/m³
  • PM10: 5.72 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.76 µg/m³
  • PM10: 5.37 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.45 µg/m³
  • PM10: 5.29 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 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: 4.24 µg/m³
  • PM10: 5.35 µg/m³
  • O3: 0.020 ppm
  • NO2: 3.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.28 µg/m³
  • PM10: 5.62 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.62 µg/m³
  • PM10: 6.03 µg/m³
  • O3: 0.017 ppm
  • NO2: 3.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.02 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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