Caxias do Sul vs Taboão da Serra AQI Comparison

Side-by-side OpenAQ-derived air quality comparison for Caxias do Sul and Taboão da Serra. Values use mapped daily PM2.5 and PM10 observations normalized to US EPA AQI.

Lower average AQI: Caxias do Sul (2-pt gap)PM2.5: Caxias do Sul 14.5 ug/m3 · Taboão da Serra 14.6 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-09-04–2024-12-31 and 2024-01-01–2024-12-31.

Compare two cities

City A

City B

Caxias do Sul vs Taboão da Serra

Caxias do Sul

Rio Grande do Sul, Brazil

PM2.5: 14.5 ug/m3
PM10: 15.5 ug/m3
Worst month: September
Trend: n/a

EPA category: Moderate

Taboão da Serra

Sao Paulo, Brazil

PM2.5: 14.6 ug/m3
PM10: n/a ug/m3
Worst month: September
Trend: n/a

EPA category: Moderate

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Caxias do Sul

Taboão da Serra

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.