Athens: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

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Latest air quality data: Athens

Locations: Athens Thessaloníki » Pátrai » Irákleion » Larissa »

Pollution and air quality forecast for Athens. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Athens:

particulate matter (PM2.5) dust - 16 (Moderate)
particulate matter (PM10) suspended dust - 26 (Moderate)
ozone (O3) - 32 (Good)
nitrogen dioxide (NO2) - 46 (Moderate)
sulfur dioxide (SO2) - 9 (Good)
carbon monoxide (CO) - 223 (Good)

Real-time Air Quality Index (AQI) for Athens, Thursday, August 27, 2026: 2.

AQI 2 Moderate

What is the air quality in Athens today? Is the air polluted in Athens?. Is there smog?

Today (Thursday, August 27, 2026) air quality is moderate in Athens. Some pollutants in Athens may slightly affect very few hypersensitive individuals. Air pollutants in Athens may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Athens? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 16 (Moderate) For comparison, the highest level of PM2.5 in Athens in the last 7 days was: 21 (Thursday, August 20, 2026) and the lowest: 11 (Tuesday, August 25, 2026).

What is the level of PM10 today in Athens? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Athens is: 26 (Moderate)

How is the O3 level today in Athens? (ozone (O3))
32 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
46 (Moderate)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
9 (Good)

How high is the CO level? (carbon monoxide (CO))
223 (Good)

Current data Thursday, August 27, 2026 at 4:00 AM

PM2,5 16 (Moderate)

PM10 26 (Moderate)

O3 32 (Good)

NO2 46 (Moderate)

SO2 9 (Good)

CO 223 (Good)

Data on air pollution from recent days in Athens

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	13 Moderate	15 Moderate	11 Good	11 Good	14 Moderate	14 Moderate	12 Good	21 Moderate
pm10	20 Moderate	26 Moderate	16 Good	16 Good	18 Good	19 Good	17 Good	28 Moderate
o3	69 Good	66 Good	82 Moderate	87 Moderate	79 Moderate	80 Moderate	84 Moderate	83 Moderate
no2	26 Good	43 Moderate	19 Good	12 Good	23 Good	31 Good	23 Good	29 Good
so2	5 Good	9 Good	3 Good	3 Good	5 Good	6 Good	4 Good	5 Good
co	199 Good	230 Good	189 Good	179 Good	208 Good	214 Good	201 Good	229 Good

data source »

Quality of life in Athens

Green and Parks in the City

Athens 28%

Albania: 37% Macedonia: 34% Bulgaria: 66% Serbia: 55% Bosnia and Herzegovina: 54%

particulate matter PM2.5

Athens 20 (Moderate)

Pleasure of spending time in the city

Athens 59%

Albania: 40% Macedonia: 29% Bulgaria: 50% Serbia: 53% Bosnia and Herzegovina: 53%

particulate matter PM10

Athens 41 (Moderate)

Air Pollution

Athens 55%

Albania: 69% Macedonia: 80% Bulgaria: 68% Serbia: 65% Bosnia and Herzegovina: 62%

Garbage Disposal

Athens 36%

Albania: 33% Macedonia: 29% Bulgaria: 44% Serbia: 39% Bosnia and Herzegovina: 49%

Availability and quality of drinking water

Athens 82%

Albania: 33% Macedonia: 58% Bulgaria: 70% Serbia: 64% Bosnia and Herzegovina: 71%

Cleanliness and tidiness

Athens 34%

Albania: 36% Macedonia: 26% Bulgaria: 42% Serbia: 37% Bosnia and Herzegovina: 50%

Noise and Light pollution

Athens 54%

Albania: 53% Macedonia: 54% Bulgaria: 51% Serbia: 51% Bosnia and Herzegovina: 38%

Water Pollution

Athens 29%

Albania: 68% Macedonia: 51% Bulgaria: 41% Serbia: 52% Bosnia and Herzegovina: 45%

Source: Numbeo

Athens

Thursday, August 27, 2026 at 4:00 AM

PM2,5 16 (Moderate)

particulate matter (PM2.5) dust

PM10 26 (Moderate)

particulate matter (PM10) suspended dust

O3 32 (Good)

ozone (O3)

NO2 46 (Moderate)

nitrogen dioxide (NO2)

SO2 9.2 (Good)

sulfur dioxide (SO2)

CO 223 (Good)

carbon monoxide (CO)

Athens

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	21	12	14	14	11	11	15	13
pm10	28	17	19	18	16	16	26	20
o3	83	84	80	79	87	82	66	69
no2	29	23	31	23	12	19	43	26
so2	5.1	4.2	5.8	4.9	2.7	3.3	9.2	4.6
co	229	201	214	208	179	189	230	199

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Athens

16-day weather forecast for Athens: today around 37°C (clear sky), lows near 29°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Athens

The UV index in Athens today is 7.6 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Athens — compare nearby locations.

Thessaloníki 15 µg/m³
Pátrai 11 µg/m³
Irákleion 13 µg/m³
Larissa 11 µg/m³

Frequently asked questions

Is the air safe to breathe in Athens today?

The current average PM2.5 across Athens is about 16 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in Athens?

Right now PM2.5 in Athens averages about 16 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Athens?

Over the past week, the highest daily PM2.5 in Athens was recorded on Thursday, August 20 (about 21 µg/m³).

What is the UV index in Athens today?

The UV index in Athens today is 7.6 (high) — unprotected fair skin can burn in about 25 minutes.

Does today's wind help disperse smog in Athens?

A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.