Hourly Weather | Today Thursday, February 26, 2026
Tucson, Arizona
4 PM
Cloudy Weather
84°
Feels Like 84°
0
Humidity: 18%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 18%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 20%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
79°
Feels Like 75°
0
Humidity: 21%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
75°
Feels Like 73°
0
Humidity: 23%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 26%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
70°
Feels Like 66°
0
Humidity: 30%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 33%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.7 µg/m³
  • PM10: 12.38 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.14 µg/m³
  • PM10: 10.58 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.16 µg/m³
  • PM10: 10.62 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 12.38 µg/m³
  • O3: 0.040 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.

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

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 15.28 µg/m³
  • O3: 0.041 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.

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

Pollutant Concentrations:

  • PM2.5: 5.42 µg/m³
  • PM10: 17.62 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 19.13 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.8 µg/m³
  • PM10: 20.06 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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