Station Name: LAKE MONONA AT MADISON, WI
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 840 feet

Nearest Address:
795 W Washington Ave
Madison, WI 53715
Dane County

GPS Coordinates: 43.0633297, -89.3970636

Nearby Water Temperatures

Air Quality Alert issued July 18 at 9:41AM CDT by NWS Milwaukee/Sullivan WI

Effective: Sat July 18, 2026, 9:41 AM
Expires: Mon July 20, 2026, 12:00 PM

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the following counties: Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake, Iowa, Jefferson, Kenosha, Lafayette, Marquette, Milwaukee, Ozaukee, Racine, Rock, Sauk, Sheboygan, Walworth, Washington, Waukesha. WHAT...The PM2.5 AQI is expected to reach the Very Unhealthy (Purple) to Unhealthy (Red) level. WHERE...Statewide. WHEN...Until noon Monday. Precautionary/Preparedness Actions: For Very Unhealthy (Purple) AQI: Sensitive groups: Avoid all physical activity outdoors. Reschedule to a time when air quality is better or move activities indoors. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Limit outdoor physical activity. Go indoors if you have symptoms. For Unhealthy (Red) AQI: Sensitive groups: Consider rescheduling or moving all activities inside. Go inside if you have symptoms. People with asthma: Follow your asthma action plan and keep quick-relief medicine handy. People with heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of these, contact your health care provider. Everyone else: Keep outdoor activities shorter and less intense. Go inside if you have symptoms. Additional Details: Another round of smoke will move in from the north-northeast throughout the day on Saturday before settling over the state on Sunday. Most areas are expected to observe Unhealthy (Red) AQI PM2.5, with the heaviest impacts to the northeast where Very Unhealthy (Purple) AQI PM2.5 will be possible. Some areas to the southwest may only experience Unhealthy for Sensitive Groups (Orange) AQI PM2.5. This round of smoke may not reach the southwestern half of the state before sunset Saturday, meaning the smoke will arrive overnight, with statewide impacts expected by 6 a.m. Sunday morning. For more information on current air quality, please see: https://airquality.wi.gov