#FridayFacts 🔎#Airquality was good in how many European cities from 2020-2021 in the updated European city air quality viewer? (Based on WHO guideline) #zeropollution #eucleanair
The answer & more info▶️https://www.eea.europa.eu/highlights/air-pollution-which-european-cities

🐦🔗: https://nitter.eu/EUEnvironment/status/1550393765763989504