Thessaloniki Seasonal Pollution
Thessaloniki usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in August. The page uses OpenAQ-derived daily history for 3 mapped monitoring locations in Central Macedonia, Greece.
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Average EPA AQI
63
Rank 5 of 22 cities by average AQI
PM2.5
16.2
ug/m3 annualized city average
Seasonality
January
Cleanest: August
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Thessaloniki
88
75
62
58
49
53
57
44
52
54
77
78
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Thessaloniki, the current global analytics build covers 307 daily rows from 2024-01-01 to 2024-12-31. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.