Colombia Seasonal Pollution
Find each city's worst and cleanest months from daily OpenAQ-derived EPA AQI. This pilot covers 13 eligible cities with OpenAQ-derived daily AQI history.
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Seasonal EPA AQI heatmap
JanFebMarAprMayJunJulAugSepOctNovDec
Girón
99
91
121
-
-
-
-
-
-
-
-
-
Itagüí
79
80
99
87
67
65
68
73
74
-
-
-
Medellín
78
75
96
83
67
65
67
71
76
-
-
-
Medellin
73
75
98
84
67
63
63
68
76
-
-
-
Caldas
77
76
93
79
63
60
63
66
70
-
-
-
Sabaneta
75
73
95
80
60
59
61
64
71
-
-
-
La Estrella
68
70
91
76
61
58
63
66
77
-
-
-
Bello
73
70
92
78
61
58
58
62
70
-
-
-
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.