What is the air quality trend in Purranque?

Over the past 15 days, Purranque had an average AQI of 90 based on station measurements. The worst day was 2026-07-22 with AQI 210.

How is Purranque air quality measured?

Air quality in Purranque 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 Purranque, Chile

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

309h

PM2.5 Station

309h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	210	205–216	160.1 µg/m³	2h	3
2026-07-21	155	4–500	119.4 µg/m³	21h	2
2026-07-20	74	6–171	26.2 µg/m³	22h	2
2026-07-19	64	14–161	20.6 µg/m³	23h	2
2026-07-18	63	31–155	18.4 µg/m³	22h	2
2026-07-17	69	22–168	22.4 µg/m³	23h	2
2026-07-16	53	4–153	14.7 µg/m³	23h	2
2026-07-15	60	17–142	18.3 µg/m³	23h	2
2026-07-14	79	29–156	25.6 µg/m³	21h	2
2026-07-13	61	20–169	19.5 µg/m³	20h	2
2026-07-12	108	40–217	49.3 µg/m³	20h	2
2026-07-11	139	44–306	77.2 µg/m³	24h	2
2026-07-10	96	15–226	44.1 µg/m³	24h	2
2026-07-09	79	18–155	26.2 µg/m³	21h	2
2026-07-08	42	8–87	11.0 µg/m³	20h	2

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