Hourly Weather | Today Thursday, July 16, 2026
Active Weather Warnings
Allentown, Pennsylvania
3 AM
Cloudy Night
73°
Feels Like 73°
0
Humidity: 74%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Night
72°
Feels Like 73°
0
Humidity: 79%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
72°
Feels Like 72°
0
Humidity: 82%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Weather
68°
Feels Like 70°
0
Humidity: 90%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
70°
Feels Like 72°
0
Humidity: 86%
UV Index: 1
Wind: 4 mph
8 AM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 76%
UV Index: 2
Wind: 10 mph
9 AM
Cloudy Weather
73°
Feels Like 75°
0
Humidity: 71%
UV Index: 3
Wind: 12 mph
10 AM
Cloudy Weather
77°
Feels Like 81°
0
Humidity: 68%
UV Index: 5
Wind: 13 mph
11 AM
Cloudy Weather
81°
Feels Like 82°
0
Humidity: 55%
UV Index: 7
Wind: 15 mph
12 PM
Cloudy Weather
82°
Feels Like 86°
0
Humidity: 48%
UV Index: 9
Wind: 16 mph
1 PM
Cloudy Weather
86°
Feels Like 90°
0
Humidity: 42%
UV Index: 10
Wind: 17 mph
2 PM
Cloudy Weather
90°
Feels Like 91°
0
Humidity: 38%
UV Index: 9
Wind: 15 mph
3 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 35%
UV Index: 7
Wind: 16 mph
4 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 34%
UV Index: 5
Wind: 16 mph
5 PM
Cloudy Weather
93°
Feels Like 91°
0
Humidity: 33%
UV Index: 3
Wind: 15 mph
6 PM
Cloudy Weather
90°
Feels Like 90°
0
Humidity: 36%
UV Index: 2
Wind: 14 mph
7 PM
Cloudy Weather
88°
Feels Like 86°
0
Humidity: 40%
UV Index: 1
Wind: 12 mph
8 PM
Cloudy Weather
84°
Feels Like 82°
0
Humidity: 45%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 50%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
81°
Feels Like 79°
0
Humidity: 53%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
77°
Feels Like 75°
0
Humidity: 57%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 8.15 µg/m³
  • PM10: 10.08 µg/m³
  • O3: 0.018 ppm
  • NO2: 3.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.29 µg/m³
  • PM10: 10.54 µg/m³
  • O3: 0.014 ppm
  • NO2: 3.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 11.08 µg/m³
  • O3: 0.011 ppm
  • NO2: 3 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 AM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.55 µg/m³
  • PM10: 11.59 µg/m³
  • O3: 0.009 ppm
  • NO2: 3.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.06 µg/m³
  • PM10: 12.31 µg/m³
  • O3: 0.007 ppm
  • NO2: 4.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.18 µg/m³
  • PM10: 13.41 µg/m³
  • O3: 0.008 ppm
  • NO2: 4.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

9 AM
53 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.52 µg/m³
  • PM10: 16.3 µg/m³
  • O3: 0.015 ppm
  • NO2: 4.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 AM
59 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 16.41 µg/m³
  • PM10: 19.05 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

11 AM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.43 µg/m³
  • PM10: 21.88 µg/m³
  • O3: 0.035 ppm
  • NO2: 3.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

12 PM
94 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 32.52 µg/m³
  • PM10: 33.67 µg/m³
  • O3: 0.064 ppm
  • NO2: 1.7 ppb
  • SO2: 1 ppb
  • CO: 0.34 ppm

Health Recommendations:

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

1 PM
93 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 28.97 µg/m³
  • PM10: 29.65 µg/m³
  • O3: 0.068 ppm
  • NO2: 1.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.31 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 19.6 µg/m³
  • PM10: 20.07 µg/m³
  • O3: 0.066 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 12.52 µg/m³
  • PM10: 12.87 µg/m³
  • O3: 0.062 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

4 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.33 µg/m³
  • PM10: 9.69 µg/m³
  • O3: 0.058 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

5 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.99 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.3 ppb
  • SO2: 0.5 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.

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

Pollutant Concentrations:

  • PM2.5: 7.41 µg/m³
  • PM10: 7.92 µg/m³
  • O3: 0.051 ppm
  • NO2: 2.2 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
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.63 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.96 µg/m³
  • PM10: 9.93 µg/m³
  • O3: 0.042 ppm
  • NO2: 4.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

9 PM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.56 µg/m³
  • PM10: 13.71 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

10 PM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.74 µg/m³
  • PM10: 19.98 µg/m³
  • O3: 0.039 ppm
  • NO2: 4.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

11 PM
89 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 30.03 µg/m³
  • PM10: 31.2 µg/m³
  • O3: 0.042 ppm
  • NO2: 3.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.35 ppm

Health Recommendations:

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

Weather Alerts and Warnings for Allentown

Air Quality Alert

Air Quality Alert issued July 15 at 4:10PM EDT by NWS Mount Holly NJ
Jul 15, 4:10 PM Jul 16, 4:15 PM
The Pennsylvania Department of Environmental Protection has issued a
Code Red Air Quality Action Day for Fine Particulates, from midnight
tonight to midnight EDT Thursday night.

An Air Quality Action Day means that air quality within the region
may approach or exceed unhealthy standards. For more information on
current and forecast concentrations of ground-level ozone and fine
particulates, visit www.airnow.gov or www.aqpartners.state.pa.us
Updated: Jul 16, 1:57 AM Source: NWS Alert