Hourly Weather | Today | Thursday, August 28, 2025
Tempe, Arizona
10 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
91°
Feels Like 90°
0
Humidity: 27%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy NightCloudy night, overcast skies at night with no rain.
90°
Feels Like 88°
0
Humidity: 30%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
87 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 16.21 µg/m³
  • PM10: 116.18 µg/m³
  • O₃: 53.60 ppb
  • NO₂: 6.06 ppb
  • SO₂: 0.60 ppb
  • CO: 132.53 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 PM
75 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 20.31 µg/m³
  • PM10: 164.74 µg/m³
  • O₃: 46.21 ppb
  • NO₂: 4.21 ppb
  • SO₂: 0.74 ppb
  • CO: 122.05 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.