Girón vs La Estrella AQI Comparison

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

Lower average AQI: La Estrella (35-pt gap)PM2.5: Girón 35.9 ug/m3 · La Estrella 19.0 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-01-08–2024-03-27 and 2024-01-01–2024-09-05.

Compare two cities

City A

City B

Girón vs La Estrella

Girón

Santander, Colombia

104

PM2.5: 35.9 ug/m3
PM10: 52.2 ug/m3
Worst month: March
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

La Estrella

Antioquia, Colombia

PM2.5: 19.0 ug/m3
PM10: 30.9 ug/m3
Worst month: March
Trend: n/a

EPA category: Moderate

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Girón

121

La Estrella

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.