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

Over the past 15 days, São Lourenço da Serra had an average AQI of 74 based on station measurements. The worst day was 2026-05-20 with AQI 96.

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

337h

PM2.5 Station

337h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	71	49–116	21.7 µg/m³	20.1	15h	23
2026-05-29	66	32–154	19.6 µg/m³	14.8	24h	22
2026-05-28	60	32–105	16.6 µg/m³	5.2	24h	27
2026-05-27	82	42–156	26.7 µg/m³	25.3	24h	25
2026-05-26	83	46–162	27.8 µg/m³	20.9	24h	26
2026-05-25	82	48–140	26.7 µg/m³	25.5	24h	26
2026-05-24	82	54–127	26.6 µg/m³	29.8	24h	27
2026-05-23	79	54–155	25.4 µg/m³	23.8	24h	31
2026-05-22	65	38–132	19.0 µg/m³	13.2	24h	26
2026-05-21	74	32–152	22.9 µg/m³	8.4	24h	26
2026-05-20	96	24–168	35.6 µg/m³	5.1	24h	28
2026-05-19	81	28–144	26.4 µg/m³	2.5	24h	27
2026-05-18	70	22–124	21.1 µg/m³	10.1	24h	27
2026-05-17	64	35–99	18.9 µg/m³	22.0	24h	24
2026-05-16	59	27–100	17.1 µg/m³	11.5	10h	18

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