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Legend (Airbase/Ozone_O3)

based on daily 8 hour max (1)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
Annual Mean (3)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily values (4)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily maximum value (5)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on hourly values (6)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily values (8)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily maximum value (9)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on hourly values (10)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily 8 hour max (12)
≤3000 ≤3000
3000 - 6000 3000 - 6000
6000 - 10000 6000 - 10000
10000 - 15000 10000 - 15000
>15000 >15000
based on daily values (14)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily maximum value (15)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on hourly values (16)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily values (18)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily maximum value (19)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on hourly values (20)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily values (22)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily maximum value (23)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on hourly values (24)
≤80 ≤80
80 - 100 80 - 100
100 - 120 100 - 120
120 - 140 120 - 140
>140 >140
based on daily 8 hour max (26)
= 0 = 0
0 - 10 0 - 10
10 - 25 10 - 25
25 - 50 25 - 50
>50 >50
based on hourly values (28)
≤6000 ≤6000
6000 - 10000 6000 - 10000
10000 - 18000 10000 - 18000
18000 - 30000 18000 - 30000
>30000 >30000
Airbase_Stations (29)
Background Background
Industrial Industrial
Traffic Traffic
Unknown Unknown
<all other values> <all other values>