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Athens Moderate

Athens, Attica

Updated: May 11, 2026, 7:00 PM

510500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

22.6°C
Temperature
49%
Humidity
2
mph wind
Clear sky
Conditions

Pollutant Breakdown

50
PM2.5
µg/m³ · Fine particles
51
PM10
µg/m³ · Coarse particles
Ozone
ppb · Ground-level ozone
16.5
NO₂
ppb · Nitrogen dioxide
1.6
SO₂
ppb · Sulfur dioxide
CO
ppm · Carbon monoxide

Dominant pollutant: PM10

PM2.5 Forecast (next 7 days)

Sat
5/9
39
avg
Sun
5/10
54
avg
Mon
5/11
56
avg
Tue
5/12
44
avg
Wed
5/13
34
avg
Thu
5/14
21
avg
Fri
5/15
33
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: ΥΠΟΥΡΓΕΙΟ ΠΕΡΙΒΑΛΛΟΝΤΟΣ ΚΑΙ ΕΝΕΡΓΕΙΑΣ - Greek Ministry of Environment and Energy, European Environment Agency, World Air Quality Index Project

Is the air safe in Athens today?

The current Air Quality Index (AQI) in Athens is 51, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Athens, Attica is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous