SmogRank / World / Germany / Hesse / September 2023

Most polluted cities in Hesse, Germany, September 2023

No city in Hesse, Germany had measurements on 70% of the days, so September 2023 has no board for Hesse, Germany.

Hesse has 16 cities ranked over the last 30 days, but none here: most of its monitors have no readings for September 2023 in OpenAQ's archive, where ours come from, or too few to rank. Cities missing from this board weren't clean, just not measured.

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2023 · All cities in Germany, September 2023 · Hesse now