What is the air quality trend in Salto?

Over the past 8 days, Salto had an average AQI of 72 based on station measurements. The worst day was 2026-05-25 with AQI 94.

How is Salto air quality measured?

Air quality in Salto 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 Salto, Brazil

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

Historical PM2.5 and AQI trend from monitoring stations near Salto, Brazil.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	62	23–89	18.3 µg/m³	12h	7
2026-05-29	58	21–152	16.3 µg/m³	24h	8
2026-05-28	68	26–193	24.5 µg/m³	24h	9
2026-05-27	69	30–119	21.1 µg/m³	24h	8
2026-05-26	74	12–154	23.5 µg/m³	24h	9
2026-05-25	94	36–163	33.1 µg/m³	24h	10
2026-05-24	87	28–184	31.5 µg/m³	24h	10
2026-05-23	67	35–107	19.9 µg/m³	11h	9

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