Hourly Weather | Today Sunday, April 5, 2026
Philadelphia, Pennsylvania
3 AM
Rainy Night
46°
Feels Like 36°
41
Humidity: 100%
UV Index: 0
Wind: 15 mph
4 AM
Cloudy Night
48°
Feels Like 39°
38
Humidity: 100%
UV Index: 0
Wind: 14 mph
5 AM
Cloudy Night
52°
Feels Like 43°
34
Humidity: 100%
UV Index: 0
Wind: 14 mph
6 AM
Cloudy Night
54°
Feels Like 46°
34
Humidity: 100%
UV Index: 0
Wind: 14 mph
7 AM
Cloudy Weather
55°
Feels Like 50°
38
Humidity: 99%
UV Index: 0
Wind: 15 mph
8 AM
Cloudy Weather
61°
Feels Like 55°
48
Humidity: 92%
UV Index: 0
Wind: 13 mph
9 AM
Cloudy Weather
63°
Feels Like 59°
49
Humidity: 88%
UV Index: 1
Wind: 14 mph
10 AM
Rainy Weather
64°
Feels Like 59°
56
Humidity: 84%
UV Index: 1
Wind: 15 mph
11 AM
Rainy Weather
68°
Feels Like 63°
51
Humidity: 79%
UV Index: 1
Wind: 16 mph
12 PM
Cloudy Weather
66°
Feels Like 64°
47
Humidity: 83%
UV Index: 2
Wind: 15 mph
1 PM
Cloudy Weather
64°
Feels Like 63°
45
Humidity: 88%
UV Index: 2
Wind: 14 mph
2 PM
Cloudy Weather
63°
Feels Like 59°
49
Humidity: 89%
UV Index: 2
Wind: 13 mph
3 PM
Rainy Weather
63°
Feels Like 55°
65
Humidity: 83%
UV Index: 1
Wind: 14 mph
4 PM
Rainy Weather
61°
Feels Like 54°
65
Humidity: 78%
UV Index: 1
Wind: 14 mph
5 PM
Cloudy Weather
61°
Feels Like 55°
40
Humidity: 73%
UV Index: 1
Wind: 15 mph
6 PM
Cloudy Weather
61°
Feels Like 55°
34
Humidity: 66%
UV Index: 1
Wind: 15 mph
7 PM
Cloudy Weather
59°
Feels Like 54°
25
Humidity: 62%
UV Index: 0
Wind: 15 mph
8 PM
Cloudy Night
57°
Feels Like 52°
7
Humidity: 61%
UV Index: 0
Wind: 15 mph
9 PM
Cloudy Night
55°
Feels Like 48°
7
Humidity: 62%
UV Index: 0
Wind: 15 mph
10 PM
Cloudy Night
54°
Feels Like 45°
7
Humidity: 60%
UV Index: 0
Wind: 16 mph
11 PM
Cloudy Night
52°
Feels Like 45°
7
Humidity: 57%
UV Index: 0
Wind: 16 mph

Hourly Air Quality Forecast - AQI (US EPA)

3 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.4 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.26 µg/m³
  • PM10: 5.47 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

5 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.16 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

6 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 5.2 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 5.26 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

9 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.11 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

10 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 5.27 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.22 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.89 µg/m³
  • PM10: 2.93 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.42 µg/m³
  • PM10: 1.92 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.6 ppb
  • SO2: 0.3 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: 1.37 µg/m³
  • PM10: 1.88 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 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 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.46 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.69 µg/m³
  • PM10: 2.47 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 3.3 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 4.15 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.87 µg/m³
  • PM10: 4.95 µg/m³
  • O3: 0.027 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.27 µg/m³
  • PM10: 5.43 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.22 µg/m³
  • PM10: 5.11 µg/m³
  • O3: 0.039 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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