9893c06e_n_Oregon___Northern_California__Meaning
Moderate [Numerical Value] 51 to 100 [Meaning] 
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
KOBI-TV NBC5 / KOTI-TV NBC2 | Local news for Southern Oregon & Northern California
Meaning