What is the air quality trend in Santa Bárbara d'Oeste?

Over the past 8 days, Santa Bárbara d'Oeste had an average AQI of 73 based on station measurements. The worst day was 2026-05-26 with AQI 93.

How is Santa Bárbara d'Oeste air quality measured?

Air quality in Santa Bárbara d'Oeste 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 Santa Bárbara d'Oeste, Brazil

Name: Santa Bárbara d'Oeste Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Santa Bárbara d'Oeste, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	56	23–105	16.3 µg/m³	17h	7
2026-05-29	64	39–117	18.4 µg/m³	24h	6
2026-05-28	68	21–141	20.7 µg/m³	24h	6
2026-05-27	83	24–173	29.7 µg/m³	24h	6
2026-05-26	93	35–146	31.5 µg/m³	24h	7
2026-05-25	84	8–159	28.8 µg/m³	24h	6
2026-05-24	82	47–135	26.6 µg/m³	24h	8
2026-05-23	55	26–80	15.4 µg/m³	7h	7

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