What is the air quality trend in Valinhos?

Over the past 8 days, Valinhos had an average AQI of 74 based on station measurements. The worst day was 2026-05-26 with AQI 91.

How is Valinhos air quality measured?

Air quality in Valinhos 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 Valinhos, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 9 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	61	26–99	18.4 µg/m³	15h	7
2026-05-29	63	15–123	18.9 µg/m³	24h	6
2026-05-28	68	28–163	20.9 µg/m³	24h	8
2026-05-27	83	30–148	27.1 µg/m³	24h	8
2026-05-26	91	38–212	34.9 µg/m³	24h	8
2026-05-25	82	44–167	28.4 µg/m³	24h	8
2026-05-24	88	22–191	31.8 µg/m³	24h	8
2026-05-23	59	35–120	17.1 µg/m³	9h	9

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