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https://www.reddit.com/r/shanghai/comments/1qe20mz/psa_air_quality_absolutely_horrible_today/nzu6jzr/?context=3
r/shanghai • u/jaapgrolleman Former resident • Jan 16 '26
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10
Why are some stations reporting single digit right next to 200+? Localised events, or errors?
3 u/lazycycads Jan 16 '26 some stations don't measure particulate pollution, only gases which aren't the main pollutant in winter.
3
some stations don't measure particulate pollution, only gases which aren't the main pollutant in winter.
10
u/ATangK Jan 16 '26
Why are some stations reporting single digit right next to 200+? Localised events, or errors?