SmogRank / Alessandria / Nocera Inferiore

Alessandria vs Nocera Inferiore: PM2.5 compared

Over the last year, Alessandria and Nocera Inferiore had about the same air: PM2.5 averaged 12.9 and 12.8 µg/m³, on the 95 days both cities were measured. Alessandria had the dirtier air on 46 of those days, Nocera Inferiore on 47. Alessandria was over the WHO's daily guideline of 15 µg/m³ on 25 of them, Nocera Inferiore on 28.

Right now

Alessandria#48on the 24-hour board of 2,366, at 97 US AQI (34.0 µg/m³)
Nocera Inferiore#353on the 24-hour board of 2,366, at 63 US AQI (15.7 µg/m³)

The last year, day by day

Alessandria
Nocera Inferiore
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: 14.2 µg/m³Nocera Inferiore, Apr 2026: 13.6 µg/m³AprMayAlessandria, Jun 2026: 11.8 µg/m³Nocera Inferiore, Jun 2026: 12.2 µg/m³JunJulAlessandria, Aug 2026: 11.6 µg/m³Nocera Inferiore, Aug 2026: 16.1 µg/m³AugAlessandria, Sep 2026: 11.4 µg/m³Nocera Inferiore, Sep 2026: 8.5 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Alessandria. Faded: Nocera Inferiore. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Each city's worst days

Alessandria

Nocera Inferiore

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).

Nocera Inferiore

Side by side with Cava Dè Tirreni (the nearest), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Alessandria and Nocera Inferiore, 7 Oct 2025 – 6 Oct 2026, smogrank.com/compare/it-alessandria/it-nocera-inferiore (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.