SmogRank / World / Mexico / Nuevo León / October 2023

Most polluted cities in Nuevo León, Mexico, October 2023

No city in Nuevo León, Mexico had measurements on 70% of the days, so October 2023 has no board for Nuevo León, Mexico.

Nuevo León has 9 cities ranked over the last 30 days, but none here: most of its monitors have no readings for October 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, October 2023 · All cities in Mexico, October 2023 · Nuevo León now