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

Over the past 15 days, Santa Bárbara d'Oeste had an average AQI of 73 based on station measurements. The worst day was 2026-05-20 with AQI 95.

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

335h

PM2.5 Station

335h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	63	23–103	19.0 µg/m³	15h	7
2026-05-29	65	32–152	19.3 µg/m³	24h	6
2026-05-28	67	36–127	20.1 µg/m³	24h	8
2026-05-27	80	26–153	25.8 µg/m³	24h	7
2026-05-26	85	42–193	30.7 µg/m³	24h	8
2026-05-25	76	21–167	24.8 µg/m³	24h	8
2026-05-24	86	39–207	31.6 µg/m³	24h	7
2026-05-23	77	26–174	26.3 µg/m³	24h	9
2026-05-22	60	20–138	18.3 µg/m³	24h	8
2026-05-21	77	16–190	29.1 µg/m³	24h	8
2026-05-20	95	25–207	37.5 µg/m³	24h	8
2026-05-19	87	30–192	35.3 µg/m³	24h	7
2026-05-18	76	29–175	25.4 µg/m³	24h	8
2026-05-17	50	12–105	14.3 µg/m³	24h	7
2026-05-16	53	3–123	16.2 µg/m³	8h	5

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