Hourly Weather | Today Wednesday, May 20, 2026
McKinney, Texas
10 PM
Cloudy Night
73°
Feels Like 73°
7
Humidity: 79%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Weather
72°
Feels Like 72°
7
Humidity: 85%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.4 µg/m³
  • PM10: 3.81 µg/m³
  • O3: 0.019 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 3.79 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.11 ppm

Health Recommendations:

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