Under EPA action level
Over EPA action level
July 3–17, 2019
Monitor station: ST1
190 ug/m3
PES Refinery
Southwest
Philadelphia
More than 70 ug/m3
More than 6 ug/m3
More than 3 ug/m3
Over EPA action level
Under EPA action level
July 3–17, 2019
Monitor station: ST1
190 ug/m3
PES Refinery
Southwest
Philadelphia
More than 70 ug/m3
More than 6 ug/m3
More than 3 ug/m3
Under EPA action level
Over EPA action level
July 3–17, 2019
Monitor station: ST1
190 ug/m3
PES Refinery
Southwest
Philadelphia
More than 70 ug/m3
More than 6 ug/m3
More than 3 ug/m3
Under EPA action level
Over EPA action level
July 3–17, 2019
Monitor station: ST1
190 ug/m3
PES Refinery
Southwest
Philadelphia
More than 70 ug/m3
More than 6 ug/m3
More than 3 ug/m3