Hourly Weather | Today Tuesday, September 16, 2025
Philadelphia, Pennsylvania
4 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 88%
Wind: 7 mph
UV Index: 0
5 AM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 87%
Wind: 7 mph
UV Index: 0
6 AM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 88%
Wind: 8 mph
UV Index: 0
7 AM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 90%
Wind: 8 mph
UV Index: 1
8 AM
Cloudy Weather
64°
Feels Like 64°
7
Humidity: 85%
Wind: 9 mph
UV Index: 10
9 AM
Cloudy Weather
68°
Feels Like 66°
7
Humidity: 76%
Wind: 9 mph
UV Index: 20
10 AM
Cloudy Weather
72°
Feels Like 72°
7
Humidity: 67%
Wind: 10 mph
UV Index: 30
11 AM
Cloudy Weather
73°
Feels Like 75°
7
Humidity: 60%
Wind: 10 mph
UV Index: 41
12 PM
Cloudy Weather
73°
Feels Like 75°
7
Humidity: 56%
Wind: 12 mph
UV Index: 49
1 PM
Cloudy Weather
75°
Feels Like 79°
9
Humidity: 52%
Wind: 12 mph
UV Index: 54
2 PM
Cloudy Weather
75°
Feels Like 75°
13
Humidity: 53%
Wind: 12 mph
UV Index: 38
3 PM
Cloudy Weather
73°
Feels Like 75°
13
Humidity: 52%
Wind: 12 mph
UV Index: 32
4 PM
Cloudy Weather
73°
Feels Like 73°
17
Humidity: 52%
Wind: 12 mph
UV Index: 23
5 PM
Cloudy Weather
72°
Feels Like 72°
38
Humidity: 54%
Wind: 12 mph
UV Index: 15
6 PM
Rainy Weather
72°
Feels Like 66°
42
Humidity: 57%
Wind: 10 mph
UV Index: 4
7 PM
Cloudy Weather
70°
Feels Like 66°
38
Humidity: 61%
Wind: 10 mph
UV Index: 0
8 PM
Cloudy Weather
68°
Feels Like 64°
34
Humidity: 63%
Wind: 9 mph
UV Index: 0
9 PM
Cloudy Weather
66°
Feels Like 63°
34
Humidity: 69%
Wind: 9 mph
UV Index: 0
10 PM
Cloudy Weather
64°
Feels Like 63°
40
Humidity: 71%
Wind: 9 mph
UV Index: 0
11 PM
Rainy Weather
64°
Feels Like 61°
51
Humidity: 76%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.97 µg/m³
  • PM10: 11.33 µg/m³
  • O₃: 35.42 ppb
  • NO₂: 5.43 ppb
  • SO₂: 1.30 ppb
  • CO: 171.52 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.32 µg/m³
  • PM10: 11.64 µg/m³
  • O₃: 34.58 ppb
  • NO₂: 5.44 ppb
  • SO₂: 1.41 ppb
  • CO: 168.96 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.60 µg/m³
  • PM10: 11.87 µg/m³
  • O₃: 33.69 ppb
  • NO₂: 6.02 ppb
  • SO₂: 1.44 ppb
  • CO: 174.63 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 AM
57 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.87 µg/m³
  • PM10: 12.16 µg/m³
  • O₃: 32.80 ppb
  • NO₂: 6.60 ppb
  • SO₂: 1.47 ppb
  • CO: 180.30 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.40 µg/m³
  • PM10: 12.56 µg/m³
  • O₃: 31.90 ppb
  • NO₂: 7.18 ppb
  • SO₂: 1.50 ppb
  • CO: 185.97 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.61 µg/m³
  • PM10: 12.83 µg/m³
  • O₃: 32.34 ppb
  • NO₂: 6.75 ppb
  • SO₂: 1.44 ppb
  • CO: 189.05 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
56 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.20 µg/m³
  • PM10: 12.15 µg/m³
  • O₃: 32.78 ppb
  • NO₂: 6.33 ppb
  • SO₂: 1.37 ppb
  • CO: 192.13 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
55 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 10.51 µg/m³
  • PM10: 11.31 µg/m³
  • O₃: 33.22 ppb
  • NO₂: 5.90 ppb
  • SO₂: 1.31 ppb
  • CO: 195.21 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
55 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.85 µg/m³
  • PM10: 10.57 µg/m³
  • O₃: 36.46 ppb
  • NO₂: 5.15 ppb
  • SO₂: 1.21 ppb
  • CO: 188.56 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
55 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.36 µg/m³
  • PM10: 10.00 µg/m³
  • O₃: 39.70 ppb
  • NO₂: 4.40 ppb
  • SO₂: 1.10 ppb
  • CO: 181.90 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.