What is the air quality trend in São Lourenço da Serra?

Over the past 8 days, São Lourenço da Serra had an average AQI of 56 based on station measurements. The worst day was 2026-07-14 with AQI 76.

How is São Lourenço da Serra air quality measured?

Air quality in São Lourenço da Serra 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 São Lourenço da Serra, Brazil

Name: São Lourenço da Serra Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near São Lourenço da Serra, Brazil.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	43	24–85	10.7 µg/m³	9.4	22h	19
2026-07-20	47	25–185	14.8 µg/m³	10.1	24h	17
2026-07-19	43	26–74	11.1 µg/m³	10.0	24h	17
2026-07-18	52	24–120	13.9 µg/m³	8.3	24h	17
2026-07-17	63	38–117	18.4 µg/m³	17.3	24h	17
2026-07-16	64	44–133	18.6 µg/m³	22.0	24h	16
2026-07-15	65	30–158	19.5 µg/m³	15.5	24h	18
2026-07-14	76	56–95	23.7 µg/m³	6.3	2h	8

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