We mapped air pollution in 150 European cities.
https://nitter.cz/search?q=%23CleanAirEU
We found that:
🏢 Residential heating causes over 25% of PM2.5 concentrations in half the cities
🚗 Road transport, on average, accounts for about 15%
🏭 Agriculture, industry and shipping are also big polluters.

🐦🔗: https://nitter.cz/EU_ScienceHub/status/1727960245006147925#m

[2023-11-24 08:00 UTC]