The title’s the question. I’ve thought about it for some time now, but I can’t find an answer.
In: Earth Science
When certain types of pollution, including exhaust from car engines reacts with sunlight, ozone is formed. The saying goes that ozone is good up high, but bad nearby. So the ozone that is produced this way, typically doesn’t become part of the ozone layer.
Check your local weather station or air quality management organization for information about which days have unhealthy amounts of ozone around. Right now, for much of North America, it is ozone season. The high temperatures and sunny days favor ozone formation, particularly in large cities with lots of vehicles.
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