The EPA struck two days of air pollution from the record after Wayne county blamed plumes of smoke from wildfires thousands of miles away

0.08 parts per

million of ozone

24 and 25 June

2022 were

removed

EPA action level

0.06

0.04

0.02

Daily max 8-hour

ozone concentration

0

March

2022

July

Nov

Canada

Smoke density

Heavy

Medium

Wayne county,

Michigan, on

24 June 2022

Light

US

0.08 parts per million of ozone

24 and 25 June 2022

were removed

EPA action level

0.06

0.04

0.02

Daily max 8-hour

ozone concentration

0

March

2022

July

Nov

Canada

Smoke density

Wayne county,

Michigan, on

24 June 2022

Heavy

US

Medium

Light

0.08 parts per million of ozone

24 and 25 June 2022

were removed

EPA Action Level

0.06

0.04

0.02

Daily max 8-hour

ozone concentration

0

March

2022

July

Nov

Canada

Smoke density

Wayne county,

Michigan on

24 June 2022

Heavy

US

Medium

Light

0.08 parts per million of ozone

24 and 25 June

2022 were

removed

EPA action level

0.06

Canada

0.04

Smoke density

Heavy

0.02

Medium

Wayne county,

Michigan, on

24 June 2022

Light

Daily max 8-hour

ozone concentration

US

0

March

2022

July

Nov

0.08 parts per million of ozone

24 and 25 June

2022 were

removed

EPA action level

0.06

Canada

0.04

Smoke density

Heavy

0.02

Medium

Wayne county,

Michigan, on

24 June 2022

Light

Daily max 8-hour

ozone concentration

US

0

March

2022

July

Nov

0.08 parts per million of ozone

24 and 25 June

2022 were

removed

EPA action level

0.06

Canada

0.04

Smoke density

0.02

Heavy

Wayne county,

Michigan, on

24 June 2022

Medium

Daily max 8-hour

ozone concentration

US

Light

0

March

2022

July

Nov