Today | Weather | Sunday, December 21, 2025

Weather in Des Moines, Iowa

05:23 AM
Now
Night
23° F
Feels Like 21°
Precipitation 0 %
Wind 5 mph
Humidity 82 %
Today
Cloudy Weather
Day 43°
Night 34°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 2

Des Moines Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 21, 2024)
Cloudy Weather

Day

28°

Night

21°

Wind

7 mph

UV Index

0

Precipitation

5 %

Air Quality in Des Moines

NOW
17 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.4 µg/m³
PM10 3.65 µg/m³
O3 0.019 ppm
NO2 3.9 ppb
SO2 0.1 ppb
CO 0.17 ppm
NH3 2.7 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.53.4 µg/m³
PM103.65 µg/m³
O336.9 µg/m³
NO27.3 µg/m³
SO20.19 µg/m³
CO193.47 µg/m³
NH32.7 µg/m³
NO0 µg/m³