Querétaro Seasonal Pollution
Querétaro usually records its highest OpenAQ-derived EPA AQI in April and its cleanest month in October. The page uses OpenAQ-derived daily history for 4 mapped monitoring locations in Querétaro, Mexico.
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Average EPA AQI
54
Rank 68 of 86 cities by average AQI
PM2.5
12.9
ug/m3 annualized city average
Seasonality
April
Cleanest: October
Health indicator
0.6
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Querétaro
70
61
64
82
81
60
35
40
38
28
53
50
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Querétaro, the current global analytics build covers 198 daily rows from 2024-01-01 to 2024-12-29. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.