Environmental Protection Inspectorate supports Lithuania in monitoring air pollution - Ministry of Climate and Environment - Gov.pl website
Powietrze
Jakim powietrzem oddychają Polacy? | Pulmonologia - mp.pl
People's Daily, China on Twitter: "Pollution in many Chinese cities is expected to peak from Dec 19-21. PM 2.5 level is forecast to reach 500 micrograms per cubic meter https://t.co/TfWfaxqEXj" / Twitter
Pył zawieszony, czyli PM - czym jest PM10, a czym PM2.5? | SYNGEOS