Hourly Weather | Today Sunday, December 14, 2025
Tempe, Arizona
2 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 18%
Wind: 9 mph
UV Index: 2
3 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 16%
Wind: 8 mph
UV Index: 1
4 PM
Cloudy Weather
81°
Feels Like 79°
0
Humidity: 17%
Wind: 8 mph
UV Index: 1
5 PM
Cloudy Weather
79°
Feels Like 75°
0
Humidity: 20%
Wind: 7 mph
UV Index: 0
6 PM
Cloudy Night
75°
Feels Like 72°
0
Humidity: 22%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
72°
Feels Like 70°
0
Humidity: 27%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
68°
Feels Like 66°
0
Humidity: 31%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
66°
Feels Like 63°
0
Humidity: 34%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
64°
Feels Like 63°
0
Humidity: 38%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 41%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
75 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.51 µg/m³
  • PM10: 45.31 µg/m³
  • O3: 0.053 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
74 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.33 µg/m³
  • PM10: 45 µg/m³
  • O3: 0.054 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
75 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.5 µg/m³
  • PM10: 44.86 µg/m³
  • O3: 0.052 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
74 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 23.33 µg/m³
  • PM10: 44.37 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.36 µg/m³
  • PM10: 42.78 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
70 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.47 µg/m³
  • PM10: 41.81 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

8 PM
69 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 21.02 µg/m³
  • PM10: 42.01 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
68 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 20.5 µg/m³
  • PM10: 42.22 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.86 µg/m³
  • PM10: 42.04 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19 µg/m³
  • PM10: 41.36 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.