Worst air pollution Ourinhos, today and tomorrow
Today (16 July): Air quality in Ourinhos is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 16.0/100).
Tomorrow (17 July 2026): Air quality in Ourinhos is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.8/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Ourinhos' air quality reflects the São Paulo state southern plateau at 456 metres at the Paraná border, with vehicle emissions from the SP-270 and surrounding sugarcane ethanol, cattle ranching, and food processing industry contributing local sources. Dry season burning from surrounding agricultural land contributes seasonal PM2.5 variation, while the elevated plateau position aids background dispersal throughout the year.
Today - 16 July | Pollution peaks at 19:00
AQI:
Good
16.0/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
16.0/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Good
16.8/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Good
16.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.4/100
PM1 (ultrafine particles):
Good
1.4/100
Pollen forecast in Ourinhos
View pollen forecastFrequently Asked Questions
Is air quality bad in Ourinhos right now?
On 16 July 2026, overall air quality in Ourinhos is good. AQI is the main air quality indicator at 16.0/100. Pollution peaks around 7:00 PM (O3: 16.0/100).
Will air quality be worse tomorrow in Ourinhos?
On 17 July 2026, air quality conditions in Ourinhos will be similar to today, with AQI forecast at good at 16.8/100. Pollution peaks around 11:00 PM (O3: 16.8/100).
When is air pollution at its worst in Ourinhos?
Residents in Ourinhos are most likely to notice reduced air quality when eucalyptus and native cerrado remnants pollen peaks, or due to vehicle emissions from the SP-270 and surrounding sugarcane ethanol, cattle ranching, and food processing industry; the picture usually improves again once the season turns.
Are air quality levels in Ourinhos 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