Today | Weather | Wednesday, October 22, 2025

Weather in Appleton, Wisconsin

06:11 AM
Now
Rainy Weather
43° F
Feels Like 30°
Precipitation 46 %
Wind 16 mph
Humidity 89 %
Today
Partly Sunny with Showers
Day 52°
Night 39°
Precipitation 84 %
Wind 20 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Appleton Weather Forecast Updated

49 minutes ago
Last updated on

Air Quality in Appleton

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.5 µg/m³
O3 0.027 ppm
NO2 0.6 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.36 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)
PM2.50.5 µg/m³
PM100.5 µg/m³
O352.97 µg/m³
NO21.21 µg/m³
SO20.37 µg/m³
CO103.43 µg/m³
NH30.36 µg/m³
NO0 µg/m³