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 54 based on station measurements. The worst day was 2026-08-26 with AQI 72.

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

334h

PM2.5 Station

334h · 25 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	52	29–97	13.7 µg/m³	24.5	21h	18
2026-09-04	52	33–77	13.7 µg/m³	22.6	24h	17
2026-09-03	44	28–71	10.9 µg/m³	19.2	24h	20
2026-09-02	41	23–98	10.4 µg/m³	8.0	24h	15
2026-09-01	42	23–80	10.8 µg/m³	12.3	24h	20
2026-08-31	43	24–66	10.4 µg/m³	21.8	24h	22
2026-08-30	58	33–77	15.6 µg/m³	35.9	24h	20
2026-08-29	69	49–150	20.2 µg/m³	35.8	24h	22
2026-08-28	56	34–99	14.8 µg/m³	27.3	24h	22
2026-08-27	61	43–89	17.1 µg/m³	24.3	24h	18
2026-08-26	72	52–119	22.0 µg/m³	46.4	24h	17
2026-08-25	54	32–73	14.2 µg/m³	29.3	24h	18
2026-08-24	51	31–105	13.4 µg/m³	11.0	24h	18
2026-08-23	57	35–77	15.6 µg/m³	15.3	24h	17
2026-08-22	63	63–63	18.0 µg/m³	32.9	1h	23

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