Amadora Seasonal Pollution
Amadora usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in August. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Lisboa, Portugal.
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Average EPA AQI
18
Rank 43 of 58 cities by average AQI
PM2.5
n/a
ug/m3 annualized city average
Seasonality
January
Cleanest: August
Health indicator
n/a
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Amadora
20
18
11
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11
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What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Amadora, the current global analytics build covers 68 daily rows from 2024-01-01 to 2024-09-22. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.