Hourly Weather | Today Tuesday, June 9, 2026
Waterloo, Iowa
9 PM
Cloudy Night
84°
Feels Like 88°
7
Humidity: 66%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
82°
Feels Like 84°
6
Humidity: 67%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
79°
Feels Like 81°
5
Humidity: 72%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.71 µg/m³
  • PM10: 2.94 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.7 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.29 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.6 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.8 µg/m³
  • PM10: 4.28 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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