Hourly Weather | Today Wednesday, May 20, 2026
Cary, North Carolina
6 PM
Cloudy Weather
91°
Feels Like 91°
0
Humidity: 34%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
90°
Feels Like 88°
0
Humidity: 37%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 42%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
82°
Feels Like 81°
0
Humidity: 48%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
81°
Feels Like 79°
0
Humidity: 56%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
77°
Feels Like 75°
0
Humidity: 64%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.32 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.048 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.

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 4.75 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 4.02 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 3.31 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 1.57 µg/m³
  • PM10: 2.96 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.8 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 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.49 µg/m³
  • PM10: 2.88 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.09 ppm

Health Recommendations:

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