j"1AirSVgBWj4Fk9pec11CLC6QupiGHV5ErE Kalisz-Wyszynskiego, Kalisz, PL2020-12-18T17:00:00.000ZL¥{"co":"623.43 µg/m³","no2":"45.3812 µg/m³","o3":"0.795 µg/m³","so2":"7.02496 µg/m³","pm25":"41.2369 µg/m³","pm10":"45.7313 µg/m³","bc":"0.59675 µg/m³"}[18.04931,51.748104]
https://whatsonchain.com/tx/3539b7485bfca2a247328cb3dcfbbcd1e444e4ccd087c36895c8af4e5bbe7851