Hourly Weather | Today Sunday, September 28, 2025
Chapel Hill, North Carolina
1 PM
Foggy Weather
77°
Feels Like 77°
0
Humidity: 70%
Wind: 8 mph
UV Index: 13
2 PM
Cloudy Weather
77°
Feels Like 79°
0
Humidity: 67%
Wind: 8 mph
UV Index: 12
3 PM
Cloudy Weather
79°
Feels Like 81°
0
Humidity: 63%
Wind: 8 mph
UV Index: 10
4 PM
Cloudy Weather
79°
Feels Like 79°
0
Humidity: 65%
Wind: 8 mph
UV Index: 7
5 PM
Cloudy Weather
79°
Feels Like 79°
2
Humidity: 66%
Wind: 7 mph
UV Index: 4
6 PM
Cloudy Weather
77°
Feels Like 77°
2
Humidity: 70%
Wind: 7 mph
UV Index: 2
7 PM
Cloudy Weather
75°
Feels Like 75°
4
Humidity: 75%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Weather
73°
Feels Like 73°
7
Humidity: 80%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Weather
72°
Feels Like 72°
7
Humidity: 85%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Weather
72°
Feels Like 72°
6
Humidity: 86%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Weather
70°
Feels Like 72°
5
Humidity: 88%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

1 PM
31 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 5.83 µg/m³
  • PM10: 5.84 µg/m³
  • O₃: 43.75 ppb
  • NO₂: 1.75 ppb
  • SO₂: 1.73 ppb
  • CO: 181.78 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

2 PM
33 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.46 µg/m³
  • PM10: 6.47 µg/m³
  • O₃: 46.01 ppb
  • NO₂: 1.44 ppb
  • SO₂: 1.56 ppb
  • CO: 174.69 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

3 PM
35 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 6.93 µg/m³
  • PM10: 6.94 µg/m³
  • O₃: 45.49 ppb
  • NO₂: 1.49 ppb
  • SO₂: 1.41 ppb
  • CO: 170.19 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

4 PM
37 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.04 µg/m³
  • PM10: 7.05 µg/m³
  • O₃: 44.98 ppb
  • NO₂: 1.55 ppb
  • SO₂: 1.26 ppb
  • CO: 165.69 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

5 PM
39 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 7.20 µg/m³
  • O₃: 44.46 ppb
  • NO₂: 1.60 ppb
  • SO₂: 1.11 ppb
  • CO: 161.18 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

6 PM
40 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 7.48 µg/m³
  • O₃: 42.23 ppb
  • NO₂: 2.17 ppb
  • SO₂: 1.16 ppb
  • CO: 164.72 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

7 PM
40 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.80 µg/m³
  • PM10: 7.81 µg/m³
  • O₃: 40.01 ppb
  • NO₂: 2.74 ppb
  • SO₂: 1.22 ppb
  • CO: 168.26 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

8 PM
39 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.60 µg/m³
  • PM10: 7.62 µg/m³
  • O₃: 37.78 ppb
  • NO₂: 3.31 ppb
  • SO₂: 1.27 ppb
  • CO: 171.80 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

9 PM
39 AQI
Good air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 7.55 µg/m³
  • PM10: 7.57 µg/m³
  • O₃: 37.55 ppb
  • NO₂: 3.17 ppb
  • SO₂: 1.14 ppb
  • CO: 169.55 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors