Masis Seasonal Pollution
Masis usually records its highest OpenAQ-derived EPA AQI in December and its cleanest month in August. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Ararat, Armenia.
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Average EPA AQI
105
Rank 1 of 3 cities by average AQI
PM2.5
43.2
ug/m3 annualized city average
Seasonality
December
Cleanest: August
Health indicator
2.0
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Masis
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62
66
84
132
186
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Masis, the current global analytics build covers 155 daily rows from 2024-07-30 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.