What is the air quality trend in Aparecida?

Over the past 15 days, Aparecida had an average AQI of 65 based on station measurements. The worst day was 2026-05-26 with AQI 115.

How is Aparecida air quality measured?

Air quality in Aparecida 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 Aparecida, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

245h

PM2.5 Station

245h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	46	8–89	12.9 µg/m³	15h	2
2026-05-29	54	7–112	15.7 µg/m³	13h	1
2026-05-28	65	18–158	21.4 µg/m³	19h	1
2026-05-27	74	23–157	24.4 µg/m³	17h	2
2026-05-26	115	27–298	60.8 µg/m³	18h	1
2026-05-25	69	11–179	27.2 µg/m³	15h	1
2026-05-24	95	14–180	36.8 µg/m³	21h	2
2026-05-23	71	14–265	29.0 µg/m³	21h	1
2026-05-22	60	15–152	18.5 µg/m³	18h	2
2026-05-21	70	12–182	25.1 µg/m³	21h	2
2026-05-20	58	11–161	21.3 µg/m³	18h	2
2026-05-19	66	13–175	22.8 µg/m³	17h	2
2026-05-18	49	3–172	17.1 µg/m³	20h	1
2026-05-17	61	8–121	18.9 µg/m³	11h	2
2026-05-16	29	29–29	7.0 µg/m³	1h	2

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