Josephine County which includes Grants Pass and Cave
Junction air quality has moved into the good to moderate range. However, smoke levels can change rapidly during wildfire events. Josephine County health officials are
encouraging people to be aware of the smoke because of ongoing fires in the
area. For more information about Air Quality in Josephine County call
541-476-9663
The Air Quality Index (AQI) is the EPA's scale for
rating air quality
Air Quality
Rating |
Air Quality Index
(AQI)
|
PM2.5
1-hour Average (µg/m3)
|
PM2.5
24-hour Average (µg/m3)
|
8-hour Ozone
Concentration (ppm)
|
GOOD
|
0 - 50
|
0.0 - 40.4
|
0.0 - 12.0
|
0.000 - 0.059
|
MODERATE
|
51 - 100
|
40.5 - 80.4
|
12.1 - 35.4
|
0.060 - 0.075
|
UNHEALTHY FOR
SENSITIVE GROUPS
|
101 - 150
|
80.5 - 175.4
|
35.5 - 55.4
|
0.076 - 0.095
|
UNHEALTHY
|
151 - 200
|
175.5 - 300.4
|
55.5 - 150.4
|
0.096 - 0.115
|
VERY UNHEALTHY
|
201 - 300
|
300.5 - 500.4
|
150.5 - 250.4
|
0.116 - 0.374
|
HAZARDOUS
|
>300
|
>500.5
|
>250.5
|
>0.375
|
Table 1. The Air Quality
Index (AQI) is the EPA's scale for rating air quality
|
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