Nine years of hourly measurements (CAMS · Copernicus). Days ≥25 µg/m³: 33 · days ≥10 µg/m³: 175 · days ≥50 µg/m³: 11 · peak: 124 µg/m³ on 16 April 2024.
Computed from the CAMS reanalysis (2018-01-01 → 2026-11-11). Same 25 µg/m³ threshold as in the article. See the other cities →