Our friends at Citizens for Clean Air will be giving a talk on Feb. 18th about the harmful effects of too much ozone and what we can do about it (hint: it involves ozone monitors). If you're at all concerned about air quality in the valley (and I think you probably are, else you won't be following this forum!) this is a talk you won't want to miss.
Doors open at 6:30. The talk begins at 7. Get location info and additional details
here.
Also, if you want to learn more about ozone as a pollutant, 5280 Magazine recently published a good article about the topic
here.