Today | Weather | Saturday, October 31, 2026

Weather in Des Moines, Iowa

04:35 AM
Now
Cloudy Weather
54° F
Feels Like 50°
Precipitation 40 %
Wind 7 mph
Humidity 91 %
Today
Rainy Weather
Day 63°
Night 54°
Precipitation 64 %
Wind 7 mph
UV Index (0 - 11+) 1

Des Moines Weather Forecast Updated

44 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 31, 2025)
Cloudy Night

Day

52°

Night

36°

Wind

9 mph

Precipitation

25 %

Air Quality in Des Moines

NOW
24 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.64 µg/m³
PM10 5.88 µg/m³
O3 0.020 ppm
NO2 2.3 ppb
SO2 0.1 ppb
CO 0.15 ppm
NH3 0.65 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)
PM2.5 – 5.64 µg/m³
PM10 – 5.88 µg/m³
O3 – 38.32 µg/m³
NO2 – 4.39 µg/m³
SO2 – 0.32 µg/m³
CO – 173.9 µg/m³
NH3 – 0.65 µg/m³
NO – 0 µg/m³