Green days or purple haze
Fortunately, the Triad experiences many more green days than purple, according to the state's Division of Air Quality.
Green means good. Purple probably means the air might be comparable to what you would have breathed if you'd attended an indoor Jimi Hendrix concert back in the '60s.
Anyway, we haven't had a purple day for ozone since 1999. And the number of green days increased from 57 that year to 118 last year (out of 153 measured during ozone season).
I'm not saying everything is blue skies and sunshine. But our air really is getting better. Check out DAQ reports for yourself.
I also like to go to the sehazecam.net Web site for daily air-quality conditions.
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