What is the air quality trend in Breña?

Over the past 8 days, Breña had an average AQI of 55 based on station measurements. The worst day was 2026-09-05 with AQI 69.

How is Breña air quality measured?

Air quality in Breña is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Breña, Peru

Name: Breña Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Breña, Peru.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 9 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	69	14–127	22.1 µg/m³	18h	4
2026-09-04	63	30–130	18.7 µg/m³	24h	9
2026-09-03	55	17–112	15.9 µg/m³	24h	10
2026-09-02	44	17–65	11.0 µg/m³	24h	10
2026-09-01	50	23–109	13.7 µg/m³	24h	11
2026-08-31	44	18–96	11.4 µg/m³	24h	13
2026-08-30	52	28–116	14.1 µg/m³	24h	13
2026-08-29	63	63–63	17.9 µg/m³	1h	10

Back to Breña Air Quality