Chimbote vs Huaycan AQI Comparison

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

Lower average AQI: Chimbote (101-pt gap)PM2.5: Chimbote 11.5 ug/m3 · Huaycan 73.3 ug/m3

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

Compare two cities

City A

City B

Chimbote vs Huaycan

Chimbote

Ancash, Peru

PM2.5: 11.5 ug/m3
PM10: 14.7 ug/m3
Worst month: November
Trend: n/a

EPA category: Moderate

Huaycan

Lima, Peru

152

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

EPA category: Unhealthy

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

Yearly EPA AQI trend

Seasonal EPA AQI heatmap

JanFebMarAprMayJunJulAugSepOctNovDec

Chimbote

Huaycan

151

192

195

161

178

176

172

160

154

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.