Worst air pollution Feira de Santana, today and tomorrow
Today (16 July): Air quality in Feira de Santana 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: 23.7/100).
Tomorrow (17 July 2026): Air quality in Feira de Santana is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 24.5/100). 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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Feira de Santana's air quality reflects its position as a major Bahia road transport hub at the intersection of the BR-116 and BR-324 highways, with heavy goods vehicle traffic and vehicle emissions from the growing industrial base contributing elevated NOₓ and PM2.5. Atlantic trade winds from the Bahia coast generally provide reasonable background ventilation across this inland northeastern Brazilian city.
Today - 16 July | Pollution peaks at 23:00
AQI:
Fair
23.7/100
PM2.5 (fine particles):
Good
12.7/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
23.7/100
SO2 (sulfur dioxide):
Good
0.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Good
4.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Fair
24.5/100
PM2.5 (fine particles):
Good
15.2/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
24.5/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.7/100
PM1 (ultrafine particles):
Good
8.6/100
Pollen forecast in Feira de Santana
View pollen forecastFrequently Asked Questions
Is air quality bad in Feira de Santana right now?
On 16 July 2026, overall air quality in Feira de Santana is fair. AQI is the main air quality indicator at 23.7/100. Pollution peaks around 11:00 PM (O3: 23.7/100).
Will air quality be worse tomorrow in Feira de Santana?
On 17 July 2026, air quality conditions in Feira de Santana will be similar to today, with AQI forecast at fair at 24.5/100. Pollution peaks around 11:00 PM (O3: 24.5/100).
When is air pollution at its worst in Feira de Santana?
In Feira de Santana, reduced air quality is most noticeable when native Caatinga and Atlantic Forest transition species including aroeira pollen peaks, and on days affected by heavy goods vehicle traffic and vehicle emissions from the growing industrial base; the rest of the year typically brings clearer, more consistent conditions.
Are air quality levels in Feira de Santana 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