Hourly Weather | Today Tuesday, July 21, 2026
Apex, North Carolina
5 AM
Cloudy Night
72°
Feels Like 75°
32
Humidity: 100%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
72°
Feels Like 77°
32
Humidity: 100%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
73°
Feels Like 79°
28
Humidity: 100%
UV Index: 1
Wind: 7 mph
8 AM
Cloudy Weather
75°
Feels Like 82°
20
Humidity: 96%
UV Index: 2
Wind: 8 mph
9 AM
Cloudy Weather
79°
Feels Like 88°
20
Humidity: 87%
UV Index: 3
Wind: 8 mph
10 AM
Cloudy Weather
81°
Feels Like 91°
20
Humidity: 81%
UV Index: 4
Wind: 9 mph
11 AM
Cloudy Weather
84°
Feels Like 97°
20
Humidity: 74%
UV Index: 7
Wind: 10 mph
12 PM
Cloudy Weather
88°
Feels Like 100°
20
Humidity: 68%
UV Index: 9
Wind: 10 mph
1 PM
Cloudy Weather
90°
Feels Like 102°
25
Humidity: 62%
UV Index: 10
Wind: 10 mph
2 PM
Cloudy Weather
90°
Feels Like 102°
43
Humidity: 58%
UV Index: 9
Wind: 10 mph
3 PM
Cloudy Weather
91°
Feels Like 100°
47
Humidity: 55%
UV Index: 6
Wind: 12 mph
4 PM
Sunny with a Chance of Thunderstorms
91°
Feels Like 93°
51
Humidity: 56%
UV Index: 2
Wind: 12 mph
5 PM
Cloudy Weather
93°
Feels Like 99°
24
Humidity: 50%
UV Index: 2
Wind: 12 mph
6 PM
Cloudy Weather
91°
Feels Like 95°
19
Humidity: 53%
UV Index: 2
Wind: 12 mph
7 PM
Cloudy Weather
88°
Feels Like 91°
24
Humidity: 57%
UV Index: 1
Wind: 9 mph
8 PM
Cloudy Weather
86°
Feels Like 90°
34
Humidity: 60%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
84°
Feels Like 88°
34
Humidity: 64%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
82°
Feels Like 84°
37
Humidity: 68%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
81°
Feels Like 82°
47
Humidity: 72%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.58 µg/m³
  • PM10: 7.94 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 AM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.95 µg/m³
  • PM10: 8.75 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

7 AM
22 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 9.64 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

8 AM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.74 µg/m³
  • PM10: 10.52 µg/m³
  • O3: 0.019 ppm
  • NO2: 1.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.06 µg/m³
  • PM10: 11.23 µg/m³
  • O3: 0.021 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.34 µg/m³
  • PM10: 11.59 µg/m³
  • O3: 0.025 ppm
  • NO2: 1 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 AM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 11.84 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 7.74 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 4.45 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.02 µg/m³
  • PM10: 3.05 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.52 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 1.87 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 1.79 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.51 µg/m³
  • PM10: 2.18 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.06 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.4 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.032 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.08 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: 4.06 µg/m³
  • PM10: 7.32 µg/m³
  • O3: 0.031 ppm
  • NO2: 1 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 8.68 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0.6 ppb
  • CO: 0.09 ppm

Health Recommendations:

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