Lourdes Seasonal Pollution
Lourdes usually records its highest OpenAQ-derived EPA AQI in January and its cleanest month in March. The page uses OpenAQ-derived daily history for 2 mapped monitoring locations in Occitanie, France.
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Average EPA AQI
33
Rank 160 of 272 cities by average AQI
PM2.5
7.2
ug/m3 annualized city average
Seasonality
January
Cleanest: March
Health indicator
0.3
cigarette-equivalent per day
Yearly EPA AQI trend
Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Lourdes
55
39
15
25
19
23
34
36
24
22
47
46
What this seasonality page measures
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI.
For Lourdes, the current global analytics build covers 295 daily rows from 2024-01-02 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.