What is the air quality trend in Pedreira?

Over the past 15 days, Pedreira had an average AQI of 55 based on station measurements. The worst day was 2026-06-09 with AQI 102.

How is Pedreira air quality measured?

Air quality in Pedreira 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 Pedreira, Brazil

Name: Pedreira Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Pedreira, Brazil.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	102	51–133	35.4 µg/m³	43.7	16h	3
2026-06-08	81	22–125	27.0 µg/m³	32.9	24h	3
2026-06-07	100	52–151	34.2 µg/m³	41.2	24h	3
2026-06-06	66	32–155	19.8 µg/m³	23.0	24h	3
2026-06-05	19	7–61	4.6 µg/m³	5.6	24h	3
2026-06-04	34	12–75	8.7 µg/m³	9.8	24h	3
2026-06-03	38	16–70	9.8 µg/m³	10.8	24h	3
2026-06-02	44	23–60	10.9 µg/m³	11.9	24h	3
2026-06-01	83	23–107	27.8 µg/m³	34.7	21h	3
2026-05-31	23	2–92	6.2 µg/m³	7.2	24h	3
2026-05-30	70	30–107	22.1 µg/m³	27.0	24h	3
2026-05-29	46	9–162	13.4 µg/m³	14.6	24h	3
2026-05-28	18	4–55	4.3 µg/m³	5.0	24h	3
2026-05-27	64	16–149	20.3 µg/m³	24.4	24h	3
2026-05-26	46	24–74	12.3 µg/m³	13.5	8h	3

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