What is the air quality trend in Rio das Pedras?

Over the past 14 days, Rio das Pedras had an average AQI of 56 based on station measurements. The worst day was 2026-07-16 with AQI 87.

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

335h

PM2.5 Station

335h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	40	19–62	9.9 µg/m³	24h	6
2026-07-20	46	17–152	12.5 µg/m³	24h	7
2026-07-19	45	18–75	11.3 µg/m³	24h	7
2026-07-18	55	25–123	15.4 µg/m³	24h	7
2026-07-17	67	24–176	22.2 µg/m³	24h	7
2026-07-16	87	28–423	43.4 µg/m³	24h	6
2026-07-15	64	28–130	19.4 µg/m³	24h	6
2026-07-14	59	25–157	18.0 µg/m³	24h	6
2026-07-13	46	6–85	12.2 µg/m³	24h	6
2026-07-12	62	20–202	23.1 µg/m³	24h	6
2026-07-11	60	15–157	17.9 µg/m³	24h	6
2026-07-10	58	24–147	16.4 µg/m³	24h	6
2026-07-09	56	12–187	20.6 µg/m³	24h	6
2026-07-08	52	15–125	14.6 µg/m³	23h	5

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