Today | Weather | Wednesday, May 20, 2026

Weather in Dubuque, Iowa

04:50 PM
Now
Cloudy Weather
64° F
Feels Like 66°
Precipitation 37 %
Wind 8 mph
UV Index (0 - 11+) 3
Humidity 48 %
Today
Partly Sunny with Showers
Day 66°
Night 46°
Precipitation 40 %
Wind 8 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Dubuque Weather Forecast Updated

1 minute ago
Last updated on

Air Quality in Dubuque

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.3 µg/m³
PM10 1.44 µg/m³
O3 0.046 ppm
NO2 0.4 ppb
SO2 0.3 ppb
CO 0.10 ppm
NH3 2.3 µg/m³
NO 0.15 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)
PM2.51.3 µg/m³
PM101.44 µg/m³
O390.26 µg/m³
NO20.68 µg/m³
SO20.8 µg/m³
CO117.36 µg/m³
NH32.3 µg/m³
NO0.15 µg/m³