Asprópyrgos vs Chaniá: PM2.5 compared

Over the last year, Chaniá's air was 36% more polluted than Asprópyrgos's: PM2.5 averaged 15.8 µg/m³ against 11.6, on the 122 days both cities were measured. Chaniá had the dirtier air on 90 of those days, Asprópyrgos on 31. Chaniá was over the WHO's daily guideline of 15 µg/m³ on 51 of them, Asprópyrgos on 22.

Right now

Asprópyrgos–not on the 24-hour board right now

Chaniá#307on the 24-hour board of 1,616, at 59 US AQI (13.2 µg/m³)

The last year, day by day

Asprópyrgos

Chaniá

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: Asprópyrgos. Faded: Chaniá. A month shows once both share 10 such days. Dashed line: the WHO daily guideline.

Year by year

Year	Asprópyrgos	Chaniá	Days both measured	Days Asprópyrgos was worse
2026 so far	55	64	100	25
2025	54	57	88	35
2023	67	69	56	27

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

Asprópyrgos

Chaniá

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

Asprópyrgos

Side by side with Acharnés, Kozáni, Gujranwala.

Chaniá

Side by side with Irákleion, Gujranwala.

Use this page

SmogRank, PM2.5 daily means compared, Asprópyrgos and Chaniá, 27 Oct 2025 – 24 Sep 2026, smogrank.com/compare/gr-aspropyrgos/gr-chania (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.