Worst air pollution Óbidos, today and tomorrow
Today (16 July): Air quality in Óbidos is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (O3: 25.7/100).
Tomorrow (17 July 2026): Air quality in Óbidos is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 21.8/100). 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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Óbidos' air quality in Brazil reflects the Pará Amazon western region at the Amazon river narrows, with dry season burning from surrounding Amazon deforestation generating intense PM2.5 episodes between June and October. Vehicle emissions from local roads contribute year-round, while the Amazon river's narrowed canyon provides limited ventilation and the flat Amazon basin's calm dry season conditions allow fire smoke to accumulate extensively in this strategic Amazon river crossing point.
Today - 16 July | Pollution peaks at 01:00
AQI:
Fair
25.7/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
25.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
3.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Fair
21.8/100
PM2.5 (fine particles):
Good
11.2/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
21.8/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
7.2/100
Frequently Asked Questions
Is air quality bad in Óbidos right now?
On 16 July 2026, overall air quality in Óbidos is fair. AQI is the main air quality indicator at 25.7/100. Pollution peaks around 1:00 AM (O3: 25.7/100).
Will air quality be worse tomorrow in Óbidos?
On 17 July 2026, air quality conditions in Óbidos will be similar to today, with AQI forecast at fair at 21.8/100. Pollution peaks around 11:00 PM (O3: 21.8/100).
When is air pollution at its worst in Óbidos?
Reduced air quality in Óbidos is most likely when native Amazon forest trees and the Amazon River corridor riparian species pollen peaks, alongside periods of dry season burning from surrounding Amazon deforestation; background levels usually settle back down once the season changes.
Are air quality levels in Óbidos 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.
Want to see air quality forecasts for other cities in Brazil?
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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