SmogRank / World / Spain / Madrid / 2026

Most polluted cities in Madrid, Spain, 2026

No city in Madrid, Spain had measurements on 70% of the days, so 2026 has no board for Madrid, Spain.

Madrid has 8 cities ranked over the last 30 days, but none here: most of its monitors have no readings for 2026 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, 2026 · All cities in Spain, 2026 · Madrid now