What is the air quality trend in Aparecida?

Over the past 15 days, Aparecida had an average AQI of 49 based on station measurements. The worst day was 2026-08-23 with AQI 66.

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

298h

PM2.5 Station

298h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	41	21–68	10.5 µg/m³	12h	2
2026-09-04	45	13–114	11.8 µg/m³	19h	2
2026-09-03	46	13–132	12.2 µg/m³	22h	2
2026-09-02	41	20–92	10.8 µg/m³	19h	3
2026-09-01	40	14–93	10.7 µg/m³	23h	2
2026-08-31	55	12–160	17.5 µg/m³	23h	2
2026-08-30	55	10–114	15.9 µg/m³	23h	2
2026-08-29	47	5–77	12.0 µg/m³	24h	2
2026-08-28	45	18–103	12.1 µg/m³	24h	3
2026-08-27	53	9–124	15.2 µg/m³	21h	2
2026-08-26	41	16–76	10.6 µg/m³	20h	2
2026-08-25	52	11–163	15.1 µg/m³	23h	2
2026-08-24	52	23–159	15.6 µg/m³	20h	3
2026-08-23	66	15–500	39.2 µg/m³	21h	2
2026-08-22	63	20–93	20.0 µg/m³	4h	2

Back to Aparecida Air Quality