Today | Weather | Thursday, December 4, 2025

Weather in Waukesha, Wisconsin

04:07 AM
Now
Cloudy Night
F
Feels Like -6°
Precipitation 0 %
Wind 8 mph
Humidity 72 %
Today
Cold Day
Day 10°
Night
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 2

Waukesha Weather Forecast Updated

13 minutes ago
Last updated on

Air Quality in Waukesha

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.08 µg/m³
PM10 2.34 µg/m³
O3 0.034 ppm
NO2 2.3 ppb
SO2 0.4 ppb
CO 0.14 ppm
NH3 0.67 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)
PM2.52.08 µg/m³
PM102.34 µg/m³
O366.57 µg/m³
NO24.31 µg/m³
SO21.02 µg/m³
CO158.35 µg/m³
NH30.67 µg/m³
NO0 µg/m³