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The good ozone is located in
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
The bad ozone is located in
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
The bad ozone is commonly referred to as
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
Ozone damaged plants will exhibit signs of ozone damage such as
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
The mass of plants showing ozone damage are typically reduced by
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
The EPA does not recommends any group of people limit their outdoor activities when the ozone is between these levels
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
Plants begin to exhibit signs of ozone damage when the air concentration of ozone is greater then
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
When the ozone level is very high, people should
40 ppb
0-50 ppb
stippling with symptoms occurring on the upper leaf surface and the veins remain unaffected.
avoid prolonged or heavy exertion outdoors
Troposphere
Ground level ozone
Stratosphere
10 percent
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