Hourly Weather | Today Saturday, September 5, 2026
Tempe, Arizona
4 PM
Cloudy Weather
102°
Feels Like 102°
0
Humidity: 24%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
102°
Feels Like 100°
0
Humidity: 22%
UV Index: 1
Wind: 7 mph
6 PM
Cloudy Weather
100°
Feels Like 99°
0
Humidity: 22%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
99°
Feels Like 95°
0
Humidity: 24%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
97°
Feels Like 93°
0
Humidity: 25%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
95°
Feels Like 91°
0
Humidity: 27%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
93°
Feels Like 90°
0
Humidity: 30%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
91°
Feels Like 90°
0
Humidity: 32%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.26 µg/m³
  • PM10: 6.49 µg/m³
  • O3: 0.018 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
16 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.17 µg/m³
  • PM10: 6.21 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 1.19 µg/m³
  • PM10: 6.58 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 1.4 µg/m³
  • PM10: 8.14 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 1.81 µg/m³
  • PM10: 10.81 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 2.25 µg/m³
  • PM10: 13.65 µg/m³
  • O3: 0.017 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.

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

Pollutant Concentrations:

  • PM2.5: 2.66 µg/m³
  • PM10: 16.18 µg/m³
  • O3: 0.017 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.

11 PM
17 AQI
Good air quality Dominant pollutant: PM10
Details

Pollutant Concentrations:

  • PM2.5: 3.06 µg/m³
  • PM10: 18.65 µg/m³
  • O3: 0.017 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.