Is it safe to exercise outdoors in Wisconsin today?

Yes, air quality is good right now; fine for outdoor exercise.

How is the air quality index calculated?

The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.

Air quality · United States

Wisconsin Air Quality (AQI) Now

19 Good
European Air Quality Index

PM2.5: 1.0µg/m³WHO limit 15
PM10: 1.0µg/m³WHO limit 45
NO₂: 4.7µg/m³
O₃: 57µg/m³
Desert dust: 0µg/m³
UV index: 0.0
US AQI: 31

Updated: 1 days ago · Source: Copernicus CAMS · Open-Meteo

Air quality in Wisconsin is good right now: European Air Quality Index 19. Fine particulate matter (PM2.5) is 1.0 µg/m³, below the WHO guideline. Fine for all outdoor activities. Pollution is expected to peak around 18:00 over the next 48 hours (index 26, fair).

Wisconsin 48-hour air quality forecast

Air quality near Wisconsin

Cleanest to most polluted.

Frequently asked questions

Is Wisconsin polluted today?: Air quality in Wisconsin is good right now: European Air Quality Index 19. Fine for all outdoor activities.
Is it safe to exercise outdoors in Wisconsin today?: Yes, air quality is good right now; fine for outdoor exercise.
How is the air quality index calculated?: The European Air Quality Index is set by the worst of PM2.5, PM10, nitrogen dioxide, ozone and sulphur dioxide: 0–20 good, 20–40 fair, 40–60 moderate, 60–80 poor, 80–100 very poor, above 100 extremely poor.

Values are Copernicus Atmosphere Monitoring Service (CAMS) model forecasts and may differ from local monitoring stations.

Wisconsin air quality: details

Pollutants and recent days

Nitrogen dioxide (NO₂) is 4.7 µg/m³ and ozone (O₃) 57 µg/m³; WHO guideline values are 25 (24 h) and 100 µg/m³ (8 h).