Luxembourg Seasonal Pollution
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI. This pilot covers 4 eligible cities with OpenAQ-derived daily AQI history.
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Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Luxembourg City
48
40
46
42
45
39
27
34
36
35
48
40
Esch-sur-Alzette
47
31
40
34
40
40
37
40
36
40
44
39
Luxembourg
48
36
44
29
34
36
30
35
34
37
44
40
Grevenmacher
40
36
41
34
41
41
38
42
21
27
40
35
Methodology
The extractor maps OpenAQ monitoring locations to the nearest AQI Now city in the same country, aggregates PM2.5 and PM10 to daily city averages, and converts those concentrations to US EPA AQI. Country tool pages use only city summaries that satisfy the configured minimum daily coverage threshold.