Arequipa vs Pisco AQI Comparison

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

Lower average AQI: Arequipa (5-pt gap)PM2.5: Arequipa 12.8 ug/m3 · Pisco 17.0 ug/m3

Source: OpenAQ local exports mapped to AQI Now cities; city summaries cover 2024-03-28–2025-01-01 and 2024-03-12–2025-01-01.

Compare two cities

City A

City B

Arequipa vs Pisco

Arequipa

Arequipa, Peru

PM2.5: 12.8 ug/m3
PM10: 43.9 ug/m3
Worst month: March
Trend: n/a

EPA category: Moderate

Pisco

Ica, Peru

PM2.5: 17.0 ug/m3
PM10: 28.3 ug/m3
Worst month: September
Trend: n/a

EPA category: Moderate

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Arequipa

Pisco

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.