Huaycan vs Sullana AQI Comparison

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

Lower average AQI: Sullana (138-pt gap)PM2.5: Huaycan 73.3 ug/m3 · Sullana 2.7 ug/m3

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

Compare two cities

City A

City B

Huaycan vs Sullana

Huaycan

Lima, Peru

152

PM2.5: 73.3 ug/m3
PM10: 120.9 ug/m3
Worst month: June
Trend: n/a

EPA category: Unhealthy

Sullana

Piura, Peru

PM2.5: 2.7 ug/m3
PM10: 4.7 ug/m3
Worst month: October
Trend: n/a

EPA category: Good

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Huaycan

151

192

195

161

178

176

172

160

154

Sullana

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.