What is the air quality trend in San Vicente?

Over the past 21 days, San Vicente had an average AQI of 57 based on station measurements. The worst day was 2026-05-30 with AQI 157.

How is San Vicente air quality measured?

Air quality in San Vicente 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 San Vicente, Chile

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

368h

PM2.5 Station

368h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	157	156–158	66.8 µg/m³	2h	2
2026-05-29	45	3–158	14.2 µg/m³	22h	2
2026-05-28	41	7–173	14.0 µg/m³	21h	2
2026-05-27	63	19–234	26.0 µg/m³	17h	2
2026-05-26	70	17–196	26.8 µg/m³	18h	2
2026-05-25	53	3–113	16.4 µg/m³	17h	2
2026-05-24	57	10–173	19.2 µg/m³	22h	3
2026-05-23	49	11–154	15.4 µg/m³	14h	2
2026-05-22	38	6–87	10.1 µg/m³	18h	2
2026-05-21	60	8–164	20.2 µg/m³	20h	3
2026-05-20	95	15–500	76.5 µg/m³	19h	2
2026-05-19	44	12–112	12.7 µg/m³	16h	2
2026-05-18	37	8–156	12.6 µg/m³	13h	1
2026-05-17	72	1–154	26.2 µg/m³	6h	1
2026-05-16	33	9–84	8.5 µg/m³	19h	3
2026-05-15	44	5–94	12.1 µg/m³	23h	3
2026-05-14	36	10–97	9.7 µg/m³	20h	3
2026-05-13	54	2–160	16.8 µg/m³	21h	3
2026-05-12	54	17–254	21.3 µg/m³	21h	3
2026-05-11	65	2–189	23.6 µg/m³	21h	2
2026-05-10	50	16–99	14.7 µg/m³	18h	3

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