What is the air quality trend in Santa Cruz?

Over the past 8 days, Santa Cruz had an average AQI of 71 based on station measurements. The worst day was 2026-05-30 with AQI 174.

How is Santa Cruz air quality measured?

Air quality in Santa Cruz 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 Santa Cruz, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Santa Cruz, Chile.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

132h

PM2.5 Station

132h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	174	147–190	102.9 µg/m³	3h	1
2026-05-29	54	16–175	18.6 µg/m³	20h	2
2026-05-28	46	7–148	13.8 µg/m³	19h	3
2026-05-27	64	20–182	22.5 µg/m³	19h	2
2026-05-26	67	15–162	21.8 µg/m³	15h	2
2026-05-25	68	3–155	23.1 µg/m³	20h	2
2026-05-24	40	8–127	11.3 µg/m³	23h	3
2026-05-23	55	15–166	18.9 µg/m³	13h	2

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