Note on 4/19 Air Quality

I’m sharing this note from Mark Barker, who monitors our regional air quality data:

Roanoke Valley ozone was on the edge of an orange day on Tuesday.   According to EPA Daily AQI map we did get to AQI of 101 for an orange day.   However,  my calculation shows that we were just under at 100.   The last regs I read was that the average is NOT rounded up.  Will wait for the “official” word on Tuesday.


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