Worst air pollution Gaspar, today and tomorrow

Today (16 July): Air quality in Gaspar is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 15.8/100).
Tomorrow (17 July 2026): Air quality in Gaspar is good. All pollutants stay as today. Pollution peaks around 11:00 PM (O3: 16.1/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Gaspar's air quality reflects the middle Itajaí Açu valley in Santa Catarina, with vehicle emissions from the BR-470 and surrounding textile, food processing, and industrial operations contributing local sources. Atlantic sea breezes from the nearby Itajaí coastal plain provide periodic ventilation, while the Serra Geral highlands to the west create topographic enclosure and the broader Blumenau-Gaspar industrial valley maintains moderate persistent emission levels throughout the year.

Today - 16 July | Pollution peaks at 17:00

AQI:

Good

15.8/100

PM2.5 (fine particles):

Good

11.6/100

PM10 (coarse particles):

Good

5.3/100

NO2 (nitrogen dioxide):

Good

0.4/100

O3 (ozone):

Good

15.8/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.5/100

PM1 (ultrafine particles):

Good

2.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 23:00

AQI:

Good

16.1/100

PM2.5 (fine particles):

Good

8.9/100

PM10 (coarse particles):

Good

4.1/100

NO2 (nitrogen dioxide):

Good

0.3/100

O3 (ozone):

Good

16.1/100

SO2 (sulfur dioxide):

Good

1.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.5/100

PM1 (ultrafine particles):

Good

1.9/100

Pollen forecast in Gaspar

View pollen forecast

Frequently Asked Questions

Is air quality bad in Gaspar right now?

On 16 July 2026, overall air quality in Gaspar is good. AQI is the main air quality indicator at 15.8/100. Pollution peaks around 5:00 PM (O3: 15.8/100).

Will air quality be worse tomorrow in Gaspar?

On 17 July 2026, air quality conditions in Gaspar will be similar to today, with AQI forecast at good at 16.1/100. Pollution peaks around 11:00 PM (O3: 16.1/100).

When is air pollution at its worst in Gaspar?

Reduced air quality in Gaspar is most likely when native Atlantic Forest species and introduced urban trees pollen peaks, alongside periods of vehicle emissions from the BR-470 and surrounding textile, food processing, and industrial operations; a change of season or a spell of wind usually clears things up again.

Are air quality levels in Gaspar 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?

Check air quality in other popular cities:

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