What is the air quality trend in Chosica?

Over the past 15 days, Chosica had an average AQI of 45 based on station measurements. The worst day was 2026-10-14 with AQI 75.

How is Chosica air quality measured?

Air quality in Chosica 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 Chosica, Peru

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

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

106

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

320h

PM2.5 Station

320h · 10 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-22	61	61–61	17.0 µg/m³	1h	10
2026-10-21	62	28–180	21.7 µg/m³	23h	9
2026-10-20	44	17–77	11.0 µg/m³	24h	8
2026-10-19	48	2–89	13.0 µg/m³	24h	9
2026-10-18	37	11–94	9.3 µg/m³	24h	9
2026-10-17	40	13–85	10.0 µg/m³	23h	9
2026-10-16	46	20–117	12.4 µg/m³	24h	9
2026-10-15	60	19–156	18.2 µg/m³	24h	9
2026-10-14	75	35–164	24.4 µg/m³	24h	8
2026-10-13	34	8–64	8.4 µg/m³	24h	8
2026-10-12	24	8–53	5.8 µg/m³	24h	8
2026-10-11	38	7–92	9.8 µg/m³	24h	6
2026-10-10	33	15–94	8.7 µg/m³	24h	8
2026-10-09	35	9–67	8.7 µg/m³	24h	7
2026-10-08	41	5–101	11.7 µg/m³	9h	2

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