RT @peterkz_swe: Micro experiment with portable PM sensor in Stockholm subway station. PM10 above 50 µg/m³ for the entire duration. #citize… 0 atbildes
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Uldis Bojars (captsolo@toot.lv) (2018-03-26 10:15:42) |
RT @peterkz_swe: Micro experiment with portable PM sensor in Stockholm subway station. PM10 above 50 µg/m³ for the entire duration. #citize… | |