Worst air pollution OPAP Arena - Piraeus, today and tomorrow
Today (16 July): Air quality in OPAP Arena is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (NO2: 55.6/100).
Tomorrow (17 July 2026): Air quality in OPAP Arena is fair. O3 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 AM (NO2: 41.1/100). 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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Air quality around OPAP Arena reflects its setting in the city of Piraeus, with match-day traffic and crowd congestion around the stadium as the main local influence, especially on the busy streets around match-day crowds and traffic in Piraeus.
Today - 16 July | Pollution peaks at 02:00
AQI:
Medium
55.6/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Medium
55.6/100
O3 (ozone):
Medium
42.6/100
SO2 (sulfur dioxide):
Good
7.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.2/100
PM1 (ultrafine particles):
Good
14.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 02:00
AQI:
Medium
41.1/100
PM2.5 (fine particles):
Good
7.7/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Medium
41.1/100
O3 (ozone):
Fair
39.0/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
10.0/100
Sports venues in Piraeus
Frequently Asked Questions
Is air quality bad in OPAP Arena right now?
On 16 July 2026, overall air quality in OPAP Arena is medium. AQI is the main air quality indicator at 55.6/100. Pollution peaks around 2:00 AM (NO2: 55.6/100).
Will air quality be worse tomorrow in OPAP Arena?
On 17 July 2026, air quality conditions in OPAP Arena will be worse than today, with O3 forecast at fair at 39.0/100. Pollution peaks around 2:00 AM (NO2: 41.1/100).
When is air pollution at its worst in OPAP Arena?
The clearest conditions around OPAP Arena tend to follow match-day crowds dispersing and any cypress and pine pollen peak easing; match-day traffic and crowd congestion around the stadium on quieter days brings noticeably better readings.
Are air quality levels in OPAP Arena 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