Alessandria vs Crescentino: PM2.5 compared

Over the last year, Crescentino's air was 8% more polluted than Alessandria's: PM2.5 averaged 14.3 µg/m³ against 13.3, on the 93 days both cities were measured. Crescentino had the dirtier air on 64 of those days, Alessandria on 29. Crescentino was over the WHO's daily guideline of 15 µg/m³ on 34 of them, Alessandria on 24.

Right now

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

Crescentino#117on the 24-hour board of 2,366, at 79 US AQI (24.2 µg/m³)

The last year, day by day

Alessandria

Crescentino

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

Monthly means in µg/m³ over the days both cities were measured. Solid: Alessandria. Faded: Crescentino. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

Year	Alessandria	Crescentino	Days both measured	Days Alessandria was worse
2026 so far	58	60	92	29
2025	56	60	83	20
2024	74	69	112	74
2023	70	67	247	159

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

Alessandria

23 Jan 202612344.5 µg/m³
22 Jan 202611641.5 µg/m³
21 Jan 202611340.4 µg/m³

Crescentino

30 Sept 202613047.2 µg/m³
21 Jan 202612344.6 µg/m³
14 Oct 202510336.4 µg/m³

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).

Crescentino

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

Use this page

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