BY THE NUMBERS: August air quality in Big Timber

Graph No. 1: These are the health effects category, listed by the Department of Environmental Quality. 

Graph No. 2: This is the air quality and category on each day in August for Billings. Green means air quality was good, yellow means moderate and orange means unhealthy for sensitive groups. There was no data available for Aug. 11 or 12.

Graph No. 3: This gives a better idea of how air quality fluctuated throughout the month of August in Billings. No data was available for Aug. 11 or 12. 

All graphs by STEPHEN KALB-KOENIGSEFLD / Big TImber Pioneer