What is the air quality trend in Cerquilho?

Over the past 15 days, Cerquilho had an average AQI of 52 based on station measurements. The worst day was 2026-07-12 with AQI 72.

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

308h

PM2.5 Station

308h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	52	52–52	12.4 µg/m³	1h	3
2026-07-21	44	9–181	14.3 µg/m³	21h	2
2026-07-20	41	19–95	10.9 µg/m³	22h	3
2026-07-19	41	5–61	10.1 µg/m³	24h	3
2026-07-18	50	15–104	13.2 µg/m³	24h	3
2026-07-17	64	11–159	19.4 µg/m³	23h	2
2026-07-16	70	16–245	27.4 µg/m³	24h	3
2026-07-15	68	6–344	31.2 µg/m³	21h	2
2026-07-14	50	5–220	19.3 µg/m³	22h	2
2026-07-13	41	7–92	11.3 µg/m³	22h	3
2026-07-12	72	4–274	35.4 µg/m³	21h	3
2026-07-11	48	9–165	15.1 µg/m³	21h	2
2026-07-10	49	8–106	13.8 µg/m³	20h	2
2026-07-09	48	15–82	13.3 µg/m³	23h	2
2026-07-08	56	13–144	16.5 µg/m³	19h	2

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