Starting on March 15, gas stations in Franklin, Jefferson, St. Charles and St. Louis counties and the city of St. Louis can switch from vapor-capturing nozzles (black “boot,” left) to ordinary nozzles (right).
Credit Véronique LaCapra, St. Louis Public Radio (left) and Art Chimes (right)
It's getting warmer in St. Louis and that means the issue of the region's air quality returns to the forefront.
Historically, the area has had pretty poor ozone levels. (Ozone is the main ingredient of urban smog that can be a significant health hazard, particularly for children with asthma.) Susannah Fuchs with the American Lung Association says the region’s air quality has gotten better but it still needs work.