What is the air quality trend in Viña del Mar?

Over the past 20 days, Viña del Mar had an average AQI of 72 based on station measurements. The worst day was 2026-05-22 with AQI 90.

How is Viña del Mar air quality measured?

Air quality in Viña del Mar 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 Viña del Mar, Chile

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

Historical PM2.5 and AQI trend from monitoring stations near Viña del Mar, Chile.

150

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-29	64	30–95	18.7 µg/m³	60.9	24h	7
2026-05-28	57	35–93	15.9 µg/m³	53.5	24h	8
2026-05-27	71	35–94	21.9 µg/m³	57.4	24h	8
2026-05-26	86	49–169	29.8 µg/m³	76.6	24h	8
2026-05-25	75	53–130	23.6 µg/m³	75.7	24h	8
2026-05-24	77	40–145	24.4 µg/m³	68.4	24h	8
2026-05-23	84	49–169	28.9 µg/m³	59.7	24h	8
2026-05-22	90	56–167	31.1 µg/m³	63.5	24h	7
2026-05-21	87	53–182	31.2 µg/m³	60.5	24h	8
2026-05-20	87	56–170	30.7 µg/m³	57.9	24h	8
2026-05-19	85	27–146	27.8 µg/m³	50.2	24h	7
2026-05-18	79	54–156	25.7 µg/m³	64.6	24h	6
2026-05-17	65	28–114	19.7 µg/m³	44.7	23h	5
2026-05-16	56	12–97	15.7 µg/m³	42.7	24h	9
2026-05-15	70	28–136	21.4 µg/m³	68.1	24h	10
2026-05-14	71	41–98	21.6 µg/m³	64.9	24h	9
2026-05-13	68	38–105	20.3 µg/m³	48.9	24h	11
2026-05-12	54	30–78	14.8 µg/m³	25.5	24h	12
2026-05-11	54	33–83	14.5 µg/m³	29.9	24h	11
2026-05-10	63	28–172	19.7 µg/m³	51.1	23h	11

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