SmogRank / Alessandria / Cava Dè Tirreni

Alessandria vs Cava Dè Tirreni: PM2.5 compared

Over the last year, Alessandria and Cava Dè Tirreni had about the same air: PM2.5 averaged 12.7 and 12.6 µg/m³, on the 95 days both cities were measured. Alessandria had the dirtier air on 43 of those days, Cava Dè Tirreni on 50. Alessandria was over the WHO's daily guideline of 15 µg/m³ on 24 of them, Cava Dè Tirreni on 23.

Right now

Alessandria#48on the 24-hour board of 2,366, at 97 US AQI (34.0 µg/m³)
Cava Dè Tirreni#295on the 24-hour board of 2,366, at 66 US AQI (17.3 µg/m³)

The last year, day by day

Alessandria
Cava Dè Tirreni
Each city's daily mean from 7 Oct 2025 to 6 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Nov2025DecJan2026FebMarAlessandria, Apr 2026: 14.4 µg/m³Cava Dè Tirreni, Apr 2026: 11.9 µg/m³AprMayAlessandria, Jun 2026: 11.8 µg/m³Cava Dè Tirreni, Jun 2026: 11.3 µg/m³JunJulAlessandria, Aug 2026: 11.7 µg/m³Cava Dè Tirreni, Aug 2026: 17.4 µg/m³AugAlessandria, Sep 2026: 11.7 µg/m³Cava Dè Tirreni, Sep 2026: 8.9 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Alessandria. Faded: Cava Dè Tirreni. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Each city's worst days

Alessandria

Cava Dè Tirreni

Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.

Compare either city with another

Alessandria

Side by side with Sannazzaro de' Burgondi (the nearest), Vinovo (Italy's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).

Cava Dè Tirreni

Side by side with Nocera Inferiore (the nearest), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Alessandria and Cava Dè Tirreni, 7 Oct 2025 – 6 Oct 2026, smogrank.com/compare/it-alessandria/it-cava-de-tirreni (accessed 7 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 2026-10-07 13:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index.