Worst air pollution São Gabriel da Cachoeira, today and tomorrow

Today (16 July): Air quality in São Gabriel da Cachoeira is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 AM (O3: 25.8/100).
Tomorrow (17 July 2026): Air quality in São Gabriel da Cachoeira is fair. All pollutants stay as today. Pollution peaks around 12:00 AM (O3: 21.7/100). 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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São Gabriel da Cachoeira's air quality faces seasonal challenges as an Amazonas state city at the Colombia-Venezuela-Brazil triple frontier in the upper Rio Negro, with dry season burning from surrounding Amazon deforestation generating regional PM2.5 episodes between June and October. The Rio Negro's wide tributary corridor provides limited ventilation, while the flat upper Amazon basin's calm dry season conditions allow smoke to accumulate and the remote frontier position amplifies the regional burning impact throughout the year.

Today - 16 July | Pollution peaks at 06:00

AQI:

Fair

25.8/100

PM2.5 (fine particles):

Good

9.0/100

PM10 (coarse particles):

Good

3.8/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

25.8/100

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 00:00

AQI:

Fair

21.7/100

PM2.5 (fine particles):

Good

8.6/100

PM10 (coarse particles):

Good

3.5/100

NO2 (nitrogen dioxide):

Good

0/100

O3 (ozone):

Fair

21.7/100

SO2 (sulfur dioxide):

Good

0/100

CO (carbon monoxide):

Good

0/100

HCHO (formaldehyde):

Good

0.7/100

PM1 (ultrafine particles):

Good

4.3/100

Frequently Asked Questions

Is air quality bad in São Gabriel da Cachoeira right now?

On 16 July 2026, overall air quality in São Gabriel da Cachoeira is fair. AQI is the main air quality indicator at 25.8/100. Pollution peaks around 6:00 AM (O3: 25.8/100).

Will air quality be worse tomorrow in São Gabriel da Cachoeira?

On 17 July 2026, air quality conditions in São Gabriel da Cachoeira will be similar to today, with AQI forecast at fair at 21.7/100. Pollution peaks around 12:00 AM (O3: 21.7/100).

When is air pollution at its worst in São Gabriel da Cachoeira?

São Gabriel da Cachoeira residents notice reduced air quality mainly when native Amazon rainforest trees and Amazonian blackwater igapó forest pollen peaks, and during spells of dry season burning from surrounding Amazon deforestation; the picture usually improves again once the season turns.

Are air quality levels in São Gabriel da Cachoeira 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