What is the air quality trend in Cerquilho?

Over the past 8 days, Cerquilho had an average AQI of 84 based on station measurements. The worst day was 2026-05-27 with AQI 100.

How is Cerquilho air quality measured?

Air quality in Cerquilho 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 Cerquilho, Brazil

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

152h

PM2.5 Station

152h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	59	19–152	17.8 µg/m³	15h	3
2026-05-29	72	17–154	23.1 µg/m³	20h	2
2026-05-28	65	12–152	21.0 µg/m³	21h	2
2026-05-27	100	45–170	36.5 µg/m³	22h	3
2026-05-26	92	12–279	38.3 µg/m³	24h	2
2026-05-25	99	23–178	39.2 µg/m³	22h	3
2026-05-24	92	40–146	31.0 µg/m³	24h	3
2026-05-23	96	46–154	33.8 µg/m³	4h	2

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