Upper-level high pressure east of the Buckeye State will reduce atmospheric mixing. In addition, east-southeasterly winds will transport pollutants and remnant wildfire smoke into the Mahoning Valley, while sunny skies and high temperatures in the mid-80s will enhance ozone development. Therefore, AQI levels will be high-Moderate. Thursday, June 1 is an Air Quality Advisory Day for the Youngstown-Warren region.
Mixing will continue to be reduced as the upper-level high moves into the eastern Great Lakes. Furthermore, sunny skies and temperatures in the upper-80s will support ozone production, while light easterly winds will hinder dispersion and transport additional smoke into the region. These conditions, combined with pollutant carryover from the previous days, will yield Unhealthy for Sensitive Groups AQI levels. Friday, winds will shift to northeasterly and strengthen slightly, aiding dispersion. However, mostly sunny skies and temperatures in the low-90s will promote ozone formation.
Thus, AQI levels will be high-Moderate. Saturday and Sunday, as the upper-level high shifts westward, moderate and occasionally gusty northeasterly winds will aid mixing and dispersion. However, partly sunny skies will aid ozone formation. Therefore, AQI levels will be mid-Moderate on Saturday and low-Moderate on Sunday. Monday, winds will shift to east-southeasterly, transporting pollutants into northeastern Ohio. Additionally, partly sunny skies will support ozone development, resulting in mid-Moderate AQI levels.
Visithttp://airnow.govfor more information and real-time air quality data!