São Luís has a air quality pm2.5 value of 24.6 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 São Luís's air quality pm2.5?
São Luís, Brazil has a air quality pm2.5 value of 24.6 ug/m3 in 2026. STATLAS shows this value with source attribution and update history so it can be compared against related places.
Is São Luís strong for air quality pm2.5?
São Luís's air quality pm2.5 value is 24.6 ug/m3, which reads as strong. 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 São Luís compare to other cities in Brazil?
São Luís's air quality pm2.5 value is 24.6 ug/m3 for 2026. Compare that value with other cities in Brazil and with global city profiles because lower values are generally stronger for this metric.
When was São Luís air quality pm2.5 data last refreshed?
São Luís's air quality pm2.5 value of 24.6 ug/m3 is marked for 2026 and was last refreshed on 2026-05-29. STATLAS keeps this date visible next to the source record.
What source is used for São Luís air quality pm2.5?
São Luís's air quality pm2.5 value of 24.6 ug/m3 uses OpenAQ as the displayed source family. The metric description is: Fine particulate pollution concentration; lower is generally better.