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 61 based on station measurements. The worst day was 2026-07-12 with AQI 89.

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
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 21 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	58	49–64	15.8 µg/m³	9.3	4h	20
2026-07-21	48	22–163	13.9 µg/m³	9.7	24h	25
2026-07-20	52	25–153	14.2 µg/m³	10.1	24h	26
2026-07-19	50	31–85	12.9 µg/m³	10.0	24h	28
2026-07-18	55	36–130	14.9 µg/m³	8.3	24h	28
2026-07-17	65	43–148	18.8 µg/m³	17.3	24h	26
2026-07-16	73	45–155	22.6 µg/m³	22.0	24h	27
2026-07-15	68	30–136	20.4 µg/m³	15.5	24h	25
2026-07-14	57	28–115	16.1 µg/m³	7.6	24h	21
2026-07-13	59	28–133	17.2 µg/m³	4.2	24h	25
2026-07-12	89	31–173	33.5 µg/m³	7.2	24h	24
2026-07-11	72	35–164	23.1 µg/m³	26.3	24h	24
2026-07-10	60	32–96	17.0 µg/m³	37.4	24h	22
2026-07-09	61	49–82	16.8 µg/m³	49.7	24h	23
2026-07-08	55	35–81	15.1 µg/m³	29.4	19h	23

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