1-min PM2.5 reading (µg/m3) | Descriptor |
---|---|
0-55 | Normal |
56-150 | Elevated |
151-250 | High |
Above 250 | Very High |
1-min PM1 reading (µg/m3)
1-min PM2.5 reading (µg/m3)
1-min PM4 reading (µg/m3)
1-min PM10 reading (µg/m3)
1-min PMTotal reading (µg/m3)
1-hr PM2.5 reading (µg/m3) | Descriptor |
---|---|
0-55 | Normal |
56-150 | Elevated |
151-250 | High |
Above 250 | Very High |
24-hr PM2.5 reading (µg/m3) | Descriptor |
---|---|
0-55 | Normal |
56-150 | Elevated |
151-250 | High |
Above 250 | Very High |