NPR estimated how many people have experienced unhealthy air this year, largely in…
air quality
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Millions of people experienced unhealthy air in 2020
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Air Quality Mapped Over Time
With wildfires burning in the western United States, smoke fills the air. This is an animation of the air quality during the past couple of months.
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Google maps street-level air quality using Street View cars with sensors
Google equipped their Street View cars with air quality sensors and sent them…
