Worst air pollution Serra da Cantareira & Mairiporã - São Paulo, today and tomorrow
Today (16 July): Air quality in Serra da Cantareira & Mairiporã is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 PM (O3: 15.9/100).
Tomorrow (17 July 2026): Air quality in Serra da Cantareira & Mairiporã is good. All pollutants stay as today. Pollution peaks around 4:00 AM (PM2.5: 18.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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São Paulo's Serra da Cantareira and Mairiporã air quality benefits from the northern São Paulo state Atlantic Forest highland position at 900 to 1,100 metres, with consistent upland breezes providing excellent ventilation above the metropolitan boundary layer. The vast Cantareira State Park forest provides outstanding natural filtration, while the elevated position and the extensive Atlantic Forest cover generally maintain among the greater São Paulo region's most reliably clean conditions throughout most of the year.
Today - 16 July | Pollution peaks at 22:00
AQI:
Good
15.9/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
6.1/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
15.9/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
2.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 04:00
AQI:
Good
18.0/100
PM2.5 (fine particles):
Good
18.0/100
PM10 (coarse particles):
Good
8.1/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
16.7/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
3.4/100
Other Landmarks in São Paulo
Frequently Asked Questions
Is air quality bad in Serra da Cantareira & Mairiporã right now?
On 16 July 2026, overall air quality in Serra da Cantareira & Mairiporã is good. AQI is the main air quality indicator at 15.9/100. Pollution peaks around 10:00 PM (O3: 15.9/100).
Will air quality be worse tomorrow in Serra da Cantareira & Mairiporã?
On 17 July 2026, air quality conditions in Serra da Cantareira & Mairiporã will be similar to today, with AQI forecast at good at 18.0/100. Pollution peaks around 4:00 AM (PM2.5: 18.0/100).
When is air pollution at its worst in Serra da Cantareira & Mairiporã?
The most noticeable dips in Serra da Cantareira & Mairiporã's air quality come when native Atlantic Forest species and highland cerradão woodland pollen peaks, or because of the vast Cantareira State Park forest provides outstanding natural filtration, while the elevated position; for the rest of the year, natural airflow keeps background levels low.
Are air quality levels in Serra da Cantareira & Mairiporã based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app