Terms of use

Last updated September 30, 2026

SmogRank ("we") publishes rankings of cities by air pollution, run by Buretto from British Columbia, Canada. By using the site you agree to these terms. Contact: hello@smogrank.com.

Not advice

Readings come from third-party monitors and can be delayed, wrong or missing; our rankings and pattern notes are automated. Nothing here is medical, health, legal or relocation advice. For health decisions during poor air quality, follow your local health authority's guidance.

Using our content

• You may quote, link to and cite individual figures and rankings, with a credit to SmogRank and a link.
• Don't copy the site in bulk, scrape it automatically or republish our datasets (rankings, daily history, patterns) without written permission; ask us about data access.
• The underlying monitor data belongs to its publishers and stays under their licences (sources).

No warranty

The site is provided as is. To the extent the law allows, we aren't liable for losses from using it or relying on its data.

Changes

We may update these terms; the date above shows the latest version. These terms are governed by the laws of British Columbia and Canada.