How we measured air quality at the I-70 cover park in Denver’s Elyria-Swansea neighborhood

20230202-I70-AIR-QUALITY-DENVER
Hart Van Denburg/CPR News
University of Colorado engineering PhD student Nicholas Clements demonstrates to CPR News climate reporter Sam Brasch how to use a sensitive air quality measurement device Thursday, Feb. 2, 2023, above Interstate 70 at Columbine Street in Denver.

20230202-I70-AIR-QUALITY-DENVER
Hart Van Denburg/CPR News
University of Colorado engineering PhD student Nicholas Clements demonstrates to CPR News climate reporter Sam Brasch how to use a sensitive air quality measurement device Thursday, Feb. 2, 2023, above Interstate 70 at Columbine Street in Denver.
20230202-I70-AIR-QUALITY-DENVER
Hart Van Denburg/CPR News
University of Colorado engineering PhD student Nicholas Clements demonstrates to CPR News climate reporter Sam Brasch how to use a sensitive air quality measurement device Thursday, Feb. 2, 2023, above Interstate 70 at Columbine Street in Denver.

Kevin J. Beaty/Denverite
A Purple Air monitor set up on the eastern edge of the Elyria Swansea park over I-70. June 30, 2023.

The new park "cap" over I-70 in Elyria Swansea. Nov. 30, 2022.
Kevin J. Beaty/Denverite
The new park "cap" over I-70 in Elyria Swansea. Nov. 30, 2022.