The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy ...

Asthma sufferers should limit their outside activities and refrain from intense exertion on days with high AQI, particularly when readings above 200. AQI levels over 300 indicate an emergency ...

Air Quality Index Explained: As NCR struggles against worsening AQI, learn what 200, 300, 400, 450+ readings mean for your lungs Understanding AQI values helps individuals, especially those with ...

The Air Quality Index (AQI) uses a color-coded system to inform the public about air quality levels. Fine particulate matter (PM2.5) is a dangerous pollutant that can cause serious health problems.