Toronto has a air quality pm2.5 value of 34.1 ug/m3. Fine particulate pollution concentration; lower is generally better.
What this means
Lower values are generally better for this metric. STATLAS shows source, year, last refreshed date, confidence, and related places so the number is easy to verify and compare.
FAQs
What is Toronto's air quality pm2.5?
Toronto, Canada has a air quality pm2.5 value of 34.1 ug/m3 in 2026. STATLAS shows this value with source attribution and update history so it can be compared against related places.
Is Toronto strong for air quality pm2.5?
Toronto's air quality pm2.5 value is 34.1 ug/m3, which reads as moderate. For Air Quality PM2.5, lower values are generally stronger, so the direction of the number matters as much as the value itself.
How does Toronto compare to other cities in Canada?
Toronto's air quality pm2.5 value is 34.1 ug/m3 for 2026. Compare that value with other cities in Canada and with global city profiles because lower values are generally stronger for this metric.
When was Toronto air quality pm2.5 data last refreshed?
Toronto's air quality pm2.5 value of 34.1 ug/m3 is marked for 2026 and was last refreshed on 2026-05-28. STATLAS keeps this date visible next to the source record.
What source is used for Toronto air quality pm2.5?
Toronto's air quality pm2.5 value of 34.1 ug/m3 uses OpenAQ as the displayed source family. The metric description is: Fine particulate pollution concentration; lower is generally better.