Despite the relatively clean air, the study found that nearly 8,000 Canadians were dying early each year from outdoor air pollution. Photograph: Robert McGouey/Alamy

Even Low Levels Of Air Pollution Can Damage Health, Study Finds, The Guardian, 12 August 2022

Census records for more than 7 million Canadians from between 1981 and 2016 were combined with air pollution data to find out if small amounts of particle pollution were still harmful.

Despite the relatively clean air [Canada has some of the cleanest air in the world], the study found that nearly 8,000 Canadians were dying early each year from outdoor air pollution. Notably, even people in the cleanest areas were experiencing an impact on their health.
…
The Canadian study was one of three funded by the US Health Effects Institute. The other two looked at more than 60 million people in the US and 27 million people in Europe. They reached similar conclusions: there is no lower limit that can be used to define safe air quality.

Look at the air in that photo. LOOK AT THE AIR IN THAT PHOTO. And still, it’s killing people.

What, then, is the fate of people living in Los Angeles?

Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon. – Wikipedia: Air Pollution In The US

… Or Phoenix, or Cleveland, or New York City, or Houston, or Fairbanks, or Chicago, or Philadelphia, or …

the rest of the world.

We treat our planet like a dumping ground.