Birdwatch Note Rating
2023-04-23 13:14:15 UTC - HELPFUL
Rated by Participant: 7A2D8EF9C17FE0A5D9A716A69157BF227E6028FAFF629F5DD23CBADE43F7CDFA
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Original Note:
The CDC conducted a air quality study and concluded “ …air quality improves as areas become more rural (or less urban). The mean total number of ozone days decreased from 47.54 days in large central metropolitan counties to 3.81 days in noncore counties…” https://www.cdc.gov/mmwr/volumes/66/ss/ss6613a1.htm
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