Air Quality Alert issued July 17 at 12:43AM EDT by NWS Wilmington OH (details ...)
The Ohio Environmental Protection Agency has issued a statewide Air Quality Advisory for the entire state of Ohio as smoke from Canadian wildfires continues to adversely impact air quality.
Pollutants across the state are expected to range from the 'Unhealthy For Sensitive Groups' category in the southwest part of the state to the 'Unhealthy' category in the rest of the state. Hourly concentrations at times may reach the 'Very Unhealthy' to 'Hazardous' categories.
It is recommended, when possible, to avoid strenuous outdoor activities, especially those with heart disease and respiratory conditions like asthma. Watch for symptoms including wheezing, coughing, chest tightness, dizziness, or burning in the nose, throat, and eyes.
For additional information, please visit the Ohio Environmental Protection Agency's website at epa.ohio.gov.
72° 72° chance Sat 88° Sat 88° chance 66° 66° Sun 80° Sun 80°
Saturday, August 31st, 2019
Photo by Ryan Snyder/The Daily Standard

The photo shows the difference in water clarity with the darker West Beach water at the top right and the algae-clouded water in the lake on the bottom left.

Related online story:
ST. MARYS - Initial tests measuring microcystin levels at West Beach in Grand Lake St. Marys State Park show toxin levels are low enough to remove the "no contact" water advisory signs. [More]
Additional pictures on this date