Hourly Weather | Today Tuesday, August 18, 2026
McKinney, Texas
10 PM
Cloudy Night
93°
Feels Like 91°
0
Humidity: 39%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
90°
Feels Like 90°
0
Humidity: 43%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.56 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.041 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.08 ppm

Health Recommendations:

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