Hourly Weather | Today Monday, July 20, 2026
Tucson, Arizona
9 PM
Cloudy Weather
84°
Feels Like 84°
38
Humidity: 48%
UV Index: 0
Wind: 7 mph
10 PM
Stormy Weather
81°
Feels Like 77°
51
Humidity: 61%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
79°
Feels Like 79°
47
Humidity: 64%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.021 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.5 µg/m³
  • PM10: 3.55 µg/m³
  • O3: 0.020 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.33 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.019 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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