Hourly Weather | Today Friday, November 21, 2025
Tucson, Arizona
7 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 53%
Wind: 4 mph
UV Index: 0
8 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 50%
Wind: 4 mph
UV Index: 0
9 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 52%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
55°
Feels Like 54°
0
Humidity: 53%
Wind: 5 mph
UV Index: 0
11 PM
Cloudy Night
54°
Feels Like 54°
0
Humidity: 54%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.65 µg/m³
  • PM10: 9.94 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.7 µg/m³
  • PM10: 9.71 µg/m³
  • O3: 0.033 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 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: 2.59 µg/m³
  • PM10: 8.7 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 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: 2.47 µg/m³
  • PM10: 7.81 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.36 µg/m³
  • PM10: 7.1 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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