SmogRank / World / Europe / Italy / Lombardy

Most polluted cities in Lombardy, Italy

1 measured city, last 7 days; 1 above the WHO 24-hour guideline. Worst: Milan at 16.0 µg/m³, #285 in the world.

The 20 monitors run by ARPA Lazio in Italy haven't reported for more than two days. Cities that rely on them are missing from the 24-hour board and may drop from the longer ones; they return when the data does.

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Estimated: cities without a monitor

Lombardy cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.

City	7-day estimate	Band
Busto Arsizio	≈ 15 µg/m³	Low risk
Sesto San Giovanni	≈ 16 µg/m³	Low risk
Cinisello Balsamo	≈ 16 µg/m³	Low risk
Pavia	≈ 11 µg/m³	Low risk
Legnano	≈ 15 µg/m³	Low risk
Gallarate	≈ 15 µg/m³	Low risk
Rho	≈ 16 µg/m³	Low risk
Paderno Dugnano	≈ 16 µg/m³	Low risk
Cologno Monzese	≈ 16 µg/m³	Low risk
Seregno	≈ 16 µg/m³	Low risk
Desio	≈ 16 µg/m³	Low risk
Cantù	≈ 16 µg/m³	Low risk
Rozzano	≈ 11 µg/m³	Low risk
Voghera	≈ 6 µg/m³	Low risk
Lissone	≈ 16 µg/m³	Low risk
Cesano Maderno	≈ 16 µg/m³	Low risk
Bollate	≈ 16 µg/m³	Low risk
Pioltello	≈ 16 µg/m³	Low risk
Corsico	≈ 16 µg/m³	Low risk
Brugherio	≈ 16 µg/m³	Low risk
Abbiategrasso	≈ 15 µg/m³	Low risk
Limbiate	≈ 16 µg/m³	Low risk
Crema	≈ 10 µg/m³	Low risk
San Giuliano Milanese	≈ 11 µg/m³	Low risk
Cernusco sul Naviglio	≈ 16 µg/m³	Low risk
San Donato Milanese	≈ 16 µg/m³	Low risk
Segrate	≈ 16 µg/m³	Low risk
Parabiago	≈ 15 µg/m³	Low risk
Romano Banco	≈ 16 µg/m³	Low risk
Garbagnate Milanese	≈ 16 µg/m³	Low risk
Giussano	≈ 16 µg/m³	Low risk
Bresso	≈ 16 µg/m³	Low risk
Lainate	≈ 16 µg/m³	Low risk
Lumezzane	≈ 14 µg/m³	Low risk
Seriate	≈ 16 µg/m³	Low risk
Cesano Boscone	≈ 16 µg/m³	Low risk
San Sebastiano	≈ 14 µg/m³	Low risk
Muggiò	≈ 16 µg/m³	Low risk
Seveso	≈ 16 µg/m³	Low risk
Meda	≈ 16 µg/m³	Low risk

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SmogRank, most polluted cities in Lombardy, Italy, PM2.5, last 7 days to 2 Oct 2026, 04:00 UTC, smogrank.com/it/region/lombardy?w=7d.

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Updated 2026-10-02 04:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the Canada AQHI+ PM2.5 sub-index.