What is the air quality trend in Aparecida?

Over the past 15 days, Aparecida had an average AQI of 59 based on station measurements. The worst day was 2026-05-26 with AQI 78.

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

255h

PM2.5 Station

255h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	76	5–143	24.7 µg/m³	13h	2
2026-06-08	74	7–235	28.5 µg/m³	22h	2
2026-06-07	62	13–157	19.5 µg/m³	19h	2
2026-06-06	57	5–157	18.6 µg/m³	16h	2
2026-06-05	48	11–137	13.8 µg/m³	23h	2
2026-06-04	51	7–161	15.7 µg/m³	22h	1
2026-06-03	48	12–142	13.8 µg/m³	16h	2
2026-06-02	53	7–160	16.9 µg/m³	20h	2
2026-06-01	38	13–98	10.3 µg/m³	19h	2
2026-05-31	45	13–82	12.2 µg/m³	11h	1
2026-05-30	50	9–133	14.9 µg/m³	16h	2
2026-05-29	67	12–205	25.8 µg/m³	15h	2
2026-05-28	66	25–152	20.2 µg/m³	16h	1
2026-05-27	72	28–149	23.1 µg/m³	20h	2
2026-05-26	78	42–129	25.0 µg/m³	7h	2

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