Worst air pollution Níkaia, today and tomorrow
Today (16 July): Air quality in Níkaia 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: 49.5/100).
Tomorrow (17 July 2026): Air quality in Níkaia 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.
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.
Níkaia's air quality reflects its position in the southern Athens Piraeus metropolitan corridor, with vehicle traffic on the surrounding Piraeus approach roads and the Piraeus port's shipping and ferry operations contributing elevated NOₓ alongside the dense urban industrial character. The Attica basin's enclosed topography concentrates all metropolitan emissions under persistent temperature inversions, while Níkaia's port-adjacent position amplifies maritime emission exposure throughout the year.
Today - 16 July | Pollution peaks at 02:00
AQI:
Medium
49.5/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Medium
49.5/100
O3 (ozone):
Medium
42.6/100
SO2 (sulfur dioxide):
Good
5.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.2/100
PM1 (ultrafine particles):
Good
13.1/100
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
7.2/100
PM10 (coarse particles):
Good
2.1/100
NO2 (nitrogen dioxide):
Fair
35.1/100
O3 (ozone):
Fair
39.0/100
SO2 (sulfur dioxide):
Good
4.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
9.3/100
Pollen forecast in Níkaia
View pollen forecastFrequently Asked Questions
Is air quality bad in Níkaia right now?
On 16 July 2026, overall air quality in Níkaia is medium. AQI is the main air quality indicator at 49.5/100. Pollution peaks around 2:00 AM (NO2: 49.5/100).
Will air quality be worse tomorrow in Níkaia?
On 17 July 2026, air quality conditions in Níkaia 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 Níkaia?
You're likeliest to notice worse air in Níkaia when local combined tree and grass pollen peaks, or due to vehicle traffic on the neighbouring Piraeus approach roads and the Piraeus port's shipping and ferry operations; things typically settle down again once the weather pattern shifts.
Are air quality levels in Níkaia 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?
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