Heroica Matamoros vs Metepec AQI Comparison

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

Lower average AQI: Heroica Matamoros (54-pt gap)PM2.5: Heroica Matamoros 11.0 ug/m3 · Metepec 36.4 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-02-02–2025-01-01 and 2024-01-03–2024-09-06.

Compare two cities

City A

City B

Heroica Matamoros vs Metepec

Heroica Matamoros

Tamaulipas, Mexico

PM2.5: 11.0 ug/m3
PM10: n/a ug/m3
Worst month: May
Trend: n/a

EPA category: Good

Metepec

México, Mexico

101

PM2.5: 36.4 ug/m3
PM10: 60.0 ug/m3
Worst month: April
Trend: n/a

EPA category: Unhealthy for Sensitive Groups

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Heroica Matamoros

Metepec

101

133

141

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.