Bogota vs Medellín AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Bogota and Medellín. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Bogota (20-pt gap)PM2.5: Bogota 13.8 ug/m3 · Medellín 22.2 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-07-29–2025-01-01 and 2024-01-01–2024-09-05.

Compare two cities

City A

City B

Bogota vs Medellín

Bogota

Bogota D.C., Colombia

PM2.5: 13.8 ug/m3
PM10: 15.6 ug/m3
Worst month: December
Trend: n/a

EPA category: Moderate

Medellín

Antioquia, Colombia

PM2.5: 22.2 ug/m3
PM10: 32.2 ug/m3
Worst month: March
Trend: n/a

EPA category: Moderate

Lower average AQI in this selected period: Bogota. Values are historical OpenAQ-derived city summaries, not live readings.

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Bogota

Medellín

What this comparison measures

Average EPA AQI — city-level daily AQI values averaged across the OpenAQ coverage window.
PM2.5 and PM10 — mapped monitor concentrations aggregated to daily city averages.
Seasonality — worst and cleanest months from the monthly city rollups.
Trend — difference between the earliest and latest yearly AQI average in this build.