Worst air pollution Guayaquil, today and tomorrow
Today (9 August): Air quality in Guayaquil is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (O3: 19.0/100).
Tomorrow (10 August 2026): Air quality in Guayaquil is good. All pollutants stay as today. Pollution peaks around 4:00 PM (PM2.5: 19.8/100). 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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Guayaquil's air quality reflects the flat Ecuadorian Guayas River delta coastal position, with vehicle traffic on surrounding roads and the port, industrial, and vehicle density corridor generating elevated PM2.5 and NOₓ. Consistent Pacific maritime breezes and the Humboldt Current's coastal ventilation provide relief, while the rainy season's convective rain provides effective cleansing and Guayaquil generally maintains moderate Ecuadorian Pacific coastal economic capital readings throughout most of the year.
Today - 9 August | Pollution peaks at 00:00
AQI:
Good
19.0/100
PM2.5 (fine particles):
Good
12.1/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Good
19.0/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Good
5.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 16:00
AQI:
Good
19.8/100
PM2.5 (fine particles):
Good
19.8/100
PM10 (coarse particles):
Good
7.8/100
NO2 (nitrogen dioxide):
Good
0.2/100
O3 (ozone):
Good
19.4/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.6/100
PM1 (ultrafine particles):
Good
12.2/100
Frequently Asked Questions
Is air quality bad in Guayaquil right now?
On 9 August 2026, overall air quality in Guayaquil is good. AQI is the main air quality indicator at 19.0/100. Pollution peaks around 12:00 AM (O3: 19.0/100).
Will air quality be worse tomorrow in Guayaquil?
On 10 August 2026, air quality conditions in Guayaquil will be similar to today, with AQI forecast at good at 19.8/100. Pollution peaks around 4:00 PM (PM2.5: 19.8/100).
When is air pollution at its worst in Guayaquil?
Air quality in Guayaquil tends to be worse when vehicle traffic and dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Guayaquil 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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