Birdwatch Note Rating
2024-06-10 12:51:49 UTC - HELPFUL
Rated by Participant: 1445CC0ACC017A497B873A9906C90434BB3388F583CDE6915C960A94966FFE3D
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Original Note:
The PM2.5 concentration of 29 μg/m³ still falls short of the WHO standard of 5 μg/m³. To put this into perspective, the most polluted city in North America for PM2.5 is Coffeyville, Kansas, with an average annual concentration of 19 μg/m³. https://www.cfr.org/blog/chinas-battle-against-air-pollution-update
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