What is the air quality trend in Biritiba Mirim?

Over the past 15 days, Biritiba Mirim had an average AQI of 49 based on station measurements. The worst day was 2026-07-29 with AQI 62.

How is Biritiba Mirim air quality measured?

Air quality in Biritiba Mirim 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 Biritiba Mirim, Brazil

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 13 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	49	32–63	12.6 µg/m³	6h	12
2026-08-07	42	21–64	10.5 µg/m³	24h	12
2026-08-06	42	26–113	10.9 µg/m³	24h	19
2026-08-05	47	23–96	12.1 µg/m³	24h	19
2026-08-04	51	28–76	13.2 µg/m³	24h	17
2026-08-03	56	34–159	15.9 µg/m³	24h	14
2026-08-02	56	28–156	15.8 µg/m³	24h	16
2026-08-01	54	35–160	15.2 µg/m³	24h	14
2026-07-31	39	16–66	9.6 µg/m³	24h	13
2026-07-30	43	31–68	10.8 µg/m³	24h	14
2026-07-29	62	30–153	18.3 µg/m³	24h	14
2026-07-28	58	28–92	16.5 µg/m³	24h	12
2026-07-27	47	20–69	11.9 µg/m³	24h	12
2026-07-26	49	21–128	13.0 µg/m³	24h	11
2026-07-25	44	25–72	11.0 µg/m³	16h	13

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