Data charts assembled by Will Collette from state and federal sources.
This is the "Feels Like" index that combines temperature and humidity. Charlestown "feels like" 90 degrees. In today's chart, the "feels like" temp for Charlestown is 89.
Tuesday's air is a slight improvement over Monday.
Unhealthy ozone levels are due to accumulated vehicle emissions at ground level. Outdoor cooking that adds smoke to the air is not a good idea.