What is the air quality trend in Rio das Pedras?

Over the past 21 days, Rio das Pedras had an average AQI of 49 based on station measurements. The worst day was 2026-08-20 with AQI 66.

How is Rio das Pedras air quality measured?

Air quality in Rio das Pedras 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 das Pedras, Brazil

Name: Rio das Pedras 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 das Pedras, Brazil.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	47	25–71	11.8 µg/m³	16h	7
2026-09-04	50	23–168	14.6 µg/m³	24h	8
2026-09-03	46	23–97	12.1 µg/m³	24h	8
2026-09-02	42	23–74	10.7 µg/m³	24h	6
2026-09-01	43	18–87	11.4 µg/m³	24h	8
2026-08-31	44	23–68	11.2 µg/m³	24h	8
2026-08-30	46	21–94	11.8 µg/m³	24h	7
2026-08-29	50	25–67	12.7 µg/m³	24h	8
2026-08-28	53	22–85	14.0 µg/m³	24h	9
2026-08-27	56	32–108	15.6 µg/m³	24h	7
2026-08-26	64	28–208	21.9 µg/m³	24h	7
2026-08-25	50	15–89	13.0 µg/m³	24h	8
2026-08-24	42	22–75	10.5 µg/m³	24h	7
2026-08-23	45	21–74	11.4 µg/m³	24h	6
2026-08-22	42	21–68	10.6 µg/m³	24h	7
2026-08-21	55	22–248	19.5 µg/m³	24h	7
2026-08-20	66	27–220	25.0 µg/m³	24h	8
2026-08-19	49	17–79	13.1 µg/m³	24h	7
2026-08-18	48	24–79	12.4 µg/m³	24h	8
2026-08-17	55	19–165	16.3 µg/m³	24h	7
2026-08-16	50	44–61	12.4 µg/m³	4h	8

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