Worst air pollution Irecê, today and tomorrow

Today (16 July): Air quality in Irecê is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 23.9/100).
Tomorrow (17 July 2026): Air quality in Irecê is fair. All pollutants stay as today. Pollution peaks around 4:00 AM (O3: 26.0/100). 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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Irecê's air quality reflects the Bahia Chapada Diamantina highland semi-arid plateau at 840 metres, with vehicle emissions from the BR-122 and surrounding sisal, cattle, and agricultural operations contributing local sources. Dry season Caatinga burning contributes seasonal PM10 variation, while the elevated plateau position aids background dispersal compared to the lowland Sertão throughout the year.

Today - 16 July | Pollution peaks at 23:00

AQI:

Fair

23.9/100

PM2.5 (fine particles):

Good

15.2/100

PM10 (coarse particles):

Good

6.3/100

NO2 (nitrogen dioxide):

Good

0.0/100

O3 (ozone):

Fair

23.9/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.5/100

PM1 (ultrafine particles):

Good

6.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 04:00

AQI:

Fair

26.0/100

PM2.5 (fine particles):

Good

16.7/100

PM10 (coarse particles):

Good

6.5/100

NO2 (nitrogen dioxide):

Good

0.1/100

O3 (ozone):

Fair

26.0/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.6/100

PM1 (ultrafine particles):

Good

9.8/100

Pollen forecast in Irecê

View pollen forecast

Frequently Asked Questions

Is air quality bad in Irecê right now?

On 16 July 2026, overall air quality in Irecê is fair. AQI is the main air quality indicator at 23.9/100. Pollution peaks around 11:00 PM (O3: 23.9/100).

Will air quality be worse tomorrow in Irecê?

On 17 July 2026, air quality conditions in Irecê will be similar to today, with AQI forecast at fair at 26.0/100. Pollution peaks around 4:00 AM (O3: 26.0/100).

When is air pollution at its worst in Irecê?

Air quality dips in Irecê mostly track native caatinga scrub and cerrado trees pollen peaks and periods of vehicle emissions from the BR-122 and surrounding sisal, cattle, and agricultural operations; conditions generally improve once the season shifts and rainfall or stronger winds return.

Are air quality levels in Irecê 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