Calahorra AQI Trends
Calahorra AQI was measured in 2024, with a trend delta of n/a AQI points. The page uses OpenAQ-derived daily history for 5 mapped monitoring locations in La Rioja, Spain.
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Average EPA AQI
30
Rank 136 of 253 cities by average AQI
PM2.5
6.9
ug/m3 annualized city average
Seasonality
November
Cleanest: September
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Calahorra
46
39
27
23
21
23
23
30
18
31
49
26
What this trends page measures
Compare yearly air-quality direction, best years, worst years, and trend deltas.
For Calahorra, the current global analytics build covers 342 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.