What is the air quality trend in Rio Grande da Serra?

Over the past 15 days, Rio Grande da Serra had an average AQI of 74 based on station measurements. The worst day was 2026-05-24 with AQI 86.

How is Rio Grande da Serra air quality measured?

Air quality in Rio Grande 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 Rio Grande da Serra, Brazil

Name: Rio Grande 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 Rio Grande da Serra, Brazil.

Current AQI
Good Station

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	72	42–159	22.7 µg/m³	21.6	16h	26
2026-05-29	65	35–153	19.1 µg/m³	14.8	24h	26
2026-05-28	63	41–101	18.1 µg/m³	5.2	24h	30
2026-05-27	81	43–156	26.2 µg/m³	25.3	24h	28
2026-05-26	85	44–156	28.1 µg/m³	20.9	24h	30
2026-05-25	84	47–147	27.7 µg/m³	25.5	24h	30
2026-05-24	86	60–153	28.8 µg/m³	29.8	24h	32
2026-05-23	84	60–129	27.5 µg/m³	23.8	24h	34
2026-05-22	69	34–133	20.8 µg/m³	13.2	24h	31
2026-05-21	73	34–156	23.1 µg/m³	8.4	24h	31
2026-05-20	78	28–152	24.8 µg/m³	5.1	24h	31
2026-05-19	81	45–142	26.1 µg/m³	2.5	24h	31
2026-05-18	69	27–136	21.0 µg/m³	10.1	24h	33
2026-05-17	70	46–149	21.0 µg/m³	22.0	24h	28
2026-05-16	64	28–111	19.5 µg/m³	11.2	9h	19

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