Clearing the Air: The War on Smog

6.9/10 · 50 votesAug 26, 202553 min

Ranked #3 of 8 in Season 37•+0.8 vs season avg

Discussion

A chronicle of how Los Angeles' devastating smog problem in the 1940s and 50s led to the creation of the Environmental Protection Agency (EPA) and the Clean Air Act.

Previous episodeE3 · Mr. Polaroid Next episodeE5 · Hard Hat Riot

Seasons37

All 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

Season 37 Episodes8

E1 6.7

Forgotten Hero: Walter White and The NAACP

E2 6.9

Change, Not Charity: The Americans with Disabilities Act

E3 7.4

Mr. Polaroid

E4 6.9Now viewing

Clearing the Air: The War on Smog

E5 6.8

Hard Hat Riot

E6 6.8

Kissinger (1): The Necessity of Power

E7 6.6

Kissinger (2): The Opportunist

E8 1.0

Bombshell

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Episode Summary

"Clearing the Air: The War on Smog" is episode 4 of American Experience season 37. It scored 6.9/10 from 50 votes, ranking #3 of 8 episodes this season (season average 6.1). It aired on August 26, 2025.

Next: E5 · Hard Hat Riot Best of Season 37