Milan vs Mortara: PM2.5 compared
Over the last year, Milan and Mortara had about the same air: PM2.5 averaged 13.3 and 12.7 µg/m³, on the 83 days both cities were measured. Milan had the dirtier air on 41 of those days, Mortara on 38. Milan was over the WHO's daily guideline of 15 µg/m³ on 17 of them, Mortara on 20.
Right now
The last year, day by day
Month by month
Year by year
| Year | Milan | Mortara | Days Milan was worse |
|---|---|---|---|
| 2026 so far | 57 | 56 | 35 |
| 2025 | 57 | 57 | 71 |
| 2024 | 65 | 68 | 34 |
Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Milan
- 22 Jan 2026153
- 21 Jan 2026126
- 23 Jan 2026125
Mortara
Daily means in US AQI, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Milan
Side by side with Monza, Vinovo, Gujranwala.
Mortara
Side by side with Sannazzaro de' Burgondi, Gujranwala.
Use this page
SmogRank, PM2.5 daily means compared, Milan and Mortara, 14 Oct 2025 – 26 Sep 2026, smogrank.com/compare/it-milan/it-mortara (accessed 6 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-06 21:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.