Hourly Weather | Today Tuesday, April 7, 2026
Bethlehem, Pennsylvania
2 PM
Cloudy Weather
48°
Feels Like 45°
0
Humidity: 30%
UV Index: 6
Wind: 20 mph
3 PM
Cloudy Weather
48°
Feels Like 43°
0
Humidity: 29%
UV Index: 5
Wind: 20 mph
4 PM
Cloudy Weather
48°
Feels Like 41°
0
Humidity: 29%
UV Index: 4
Wind: 18 mph
5 PM
Cloudy Weather
46°
Feels Like 37°
0
Humidity: 30%
UV Index: 2
Wind: 17 mph
6 PM
Cloudy Weather
45°
Feels Like 36°
0
Humidity: 32%
UV Index: 1
Wind: 17 mph
7 PM
Cloudy Weather
43°
Feels Like 30°
0
Humidity: 35%
UV Index: 0
Wind: 16 mph
8 PM
Night
39°
Feels Like 27°
0
Humidity: 37%
UV Index: 0
Wind: 20 mph
9 PM
Night
37°
Feels Like 27°
0
Humidity: 41%
UV Index: 0
Wind: 15 mph
10 PM
Night
36°
Feels Like 25°
0
Humidity: 46%
UV Index: 0
Wind: 13 mph
11 PM
Night
34°
Feels Like 23°
0
Humidity: 49%
UV Index: 0
Wind: 13 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.08 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.7 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.

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

Pollutant Concentrations:

  • PM2.5: 1.02 µg/m³
  • PM10: 1.44 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.28 µg/m³
  • O3: 0.057 ppm
  • NO2: 0.6 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
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.68 µg/m³
  • PM10: 1.11 µg/m³
  • O3: 0.056 ppm
  • NO2: 0.8 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.

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 1.11 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.1 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.

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

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.71 µg/m³
  • PM10: 1.68 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.94 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 2.6 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.4 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 3.03 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.15 ppm

Health Recommendations:

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