Hourly Weather | Today › Monday, November 2, 2026
Bethlehem, Pennsylvania
1 AM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 95%
UV Index: 0
Wind: 4 mph
2 AM
Cloudy Night
39°
Feels Like 39°
0
Humidity: 96%
UV Index: 0
Wind: 4 mph
3 AM
Cloudy Night
37°
Feels Like 39°
0
Humidity: 97%
UV Index: 0
Wind: 4 mph
4 AM
Cloudy Night
37°
Feels Like 39°
0
Humidity: 98%
UV Index: 0
Wind: 4 mph
5 AM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 98%
UV Index: 0
Wind: 4 mph
6 AM
Cloudy Night
37°
Feels Like 37°
0
Humidity: 97%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Weather
36°
Feels Like 37°
0
Humidity: 97%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
39°
Feels Like 43°
0
Humidity: 80%
UV Index: 0
Wind: 4 mph
9 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 66%
UV Index: 1
Wind: 5 mph
10 AM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 63%
UV Index: 1
Wind: 6 mph
11 AM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 56%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
61°
Feels Like 63°
0
Humidity: 50%
UV Index: 3
Wind: 8 mph
1 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 46%
UV Index: 3
Wind: 8 mph
2 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 42%
UV Index: 2
Wind: 7 mph
3 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 43%
UV Index: 2
Wind: 6 mph
4 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 49%
UV Index: 1
Wind: 6 mph
5 PM
Night
61°
Feels Like 59°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
6 PM
Night
55°
Feels Like 55°
0
Humidity: 64%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 72%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Night
52°
Feels Like 52°
0
Humidity: 78%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 85%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Night
45°
Feels Like 46°
0
Humidity: 91%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
45°
Feels Like 45°
0
Humidity: 91%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.73 µg/m³
  • PM10: 14.06 µg/m³
  • O3: 0.015 ppm
  • NO2: 10.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 11.01 µg/m³
  • PM10: 15.53 µg/m³
  • O3: 0.014 ppm
  • NO2: 10.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

3 AM
51 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 12.43 µg/m³
  • PM10: 17.13 µg/m³
  • O3: 0.013 ppm
  • NO2: 9.9 ppb
  • SO2: 0.4 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.

4 AM
54 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 13.82 µg/m³
  • PM10: 18.69 µg/m³
  • O3: 0.013 ppm
  • NO2: 9.7 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 15.02 µg/m³
  • PM10: 20.05 µg/m³
  • O3: 0.012 ppm
  • NO2: 9.7 ppb
  • SO2: 0.4 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.

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

Pollutant Concentrations:

  • PM2.5: 16.13 µg/m³
  • PM10: 21.41 µg/m³
  • O3: 0.011 ppm
  • NO2: 10.1 ppb
  • SO2: 0.4 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.

7 AM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.52 µg/m³
  • PM10: 23.4 µg/m³
  • O3: 0.008 ppm
  • NO2: 12 ppb
  • SO2: 0.4 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

8 AM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.5 µg/m³
  • PM10: 25.04 µg/m³
  • O3: 0.007 ppm
  • NO2: 13.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.30 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.13 µg/m³
  • PM10: 24.99 µg/m³
  • O3: 0.008 ppm
  • NO2: 11.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.15 µg/m³
  • PM10: 23.89 µg/m³
  • O3: 0.011 ppm
  • NO2: 10.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.32 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.32 µg/m³
  • PM10: 14.32 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.2 ppb
  • SO2: 1.6 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.87 µg/m³
  • PM10: 11.28 µg/m³
  • O3: 0.042 ppm
  • NO2: 4.9 ppb
  • SO2: 1.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.71 µg/m³
  • PM10: 10.87 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.4 ppb
  • SO2: 1.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

2 PM
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.84 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.046 ppm
  • NO2: 4.2 ppb
  • SO2: 1.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.82 µg/m³
  • PM10: 10.69 µg/m³
  • O3: 0.045 ppm
  • NO2: 4.4 ppb
  • SO2: 1.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.35 µg/m³
  • PM10: 10.05 µg/m³
  • O3: 0.044 ppm
  • NO2: 4.9 ppb
  • SO2: 1.8 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.82 µg/m³
  • PM10: 9.4 µg/m³
  • O3: 0.042 ppm
  • NO2: 6.1 ppb
  • SO2: 1.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.5 µg/m³
  • PM10: 9.11 µg/m³
  • O3: 0.038 ppm
  • NO2: 7.2 ppb
  • SO2: 1.4 ppb
  • CO: 0.18 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: 6.19 µg/m³
  • PM10: 8.9 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.9 µg/m³
  • PM10: 8.76 µg/m³
  • O3: 0.033 ppm
  • NO2: 8.2 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.84 µg/m³
  • PM10: 8.96 µg/m³
  • O3: 0.030 ppm
  • NO2: 8.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.20 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: 5.95 µg/m³
  • PM10: 9.43 µg/m³
  • O3: 0.027 ppm
  • NO2: 8.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 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: 6.13 µg/m³
  • PM10: 9.94 µg/m³
  • O3: 0.024 ppm
  • NO2: 8.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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