Worst air pollution Ilioúpoli, today and tomorrow

Today (16 July): Air quality in Ilioúpoli is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 42.6/100).
Tomorrow (17 July 2026): Air quality in Ilioúpoli is fair. AQI worsens to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 39.0/100). 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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Ilioúpoli's air quality reflects the southern Athens metropolitan basin, with vehicle traffic on the surrounding Athenian ring roads and the dense urban residential character generating elevated NOₓ under the enclosed Attica basin's persistent temperature inversions. The Hymettus mountain ridge to the east provides a notable topographic backdrop, while the Attica basin's characteristic enclosed geometry concentrates all metropolitan emissions throughout the year.

Today - 16 July | Pollution peaks at 13:00

AQI:

Medium

42.6/100

PM2.5 (fine particles):

Good

8.3/100

PM10 (coarse particles):

Good

2.3/100

NO2 (nitrogen dioxide):

Medium

41.7/100

O3 (ozone):

Medium

42.6/100

SO2 (sulfur dioxide):

Good

3.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

12.2/100

PM1 (ultrafine particles):

Good

11.8/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 15:00

AQI:

Fair

39.0/100

PM2.5 (fine particles):

Good

6.5/100

PM10 (coarse particles):

Good

1.9/100

NO2 (nitrogen dioxide):

Fair

25.6/100

O3 (ozone):

Fair

39.0/100

SO2 (sulfur dioxide):

Good

2.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.7/100

PM1 (ultrafine particles):

Good

8.4/100

Pollen forecast in Ilioúpoli

View pollen forecast

Frequently Asked Questions

Is air quality bad in Ilioúpoli right now?

On 16 July 2026, overall air quality in Ilioúpoli is medium. AQI is the main air quality indicator at 42.6/100. Pollution peaks around 1:00 PM (O3: 42.6/100).

Will air quality be worse tomorrow in Ilioúpoli?

On 17 July 2026, air quality conditions in Ilioúpoli will be worse than today, with AQI forecast at fair at 39.0/100. Pollution peaks around 3:00 PM (O3: 39.0/100).

When is air pollution at its worst in Ilioúpoli?

Residents in Ilioúpoli are likeliest to notice reduced air quality when fringe pine and cypress pollen peaks, or due to vehicle traffic on the surrounding Athenian ring roads and the dense urban residential character; wind and rain both help clear the air fairly quickly here.

Are air quality levels in Ilioúpoli 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 Greece?

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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