San Juan del Río AQI Trends
San Juan del Río AQI was measured across 2024-2025, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 1 mapped monitoring location in Querétaro, Mexico.
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Average EPA AQI
58
Rank 61 of 86 cities by average AQI
PM2.5
14.9
ug/m3 annualized city average
Seasonality
May
Cleanest: October
Health indicator
0.7
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
San Juan del Río
55
65
66
71
88
60
45
45
39
39
62
64
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For San Juan del Río, the current global analytics build covers 245 daily rows from 2024-01-01 to 2025-01-01. The calculations normalize PM2.5 and PM10 observations into US EPA AQI bands so country, city, and tool pages use one consistent method.