What is the air quality trend in Guariba?

Over the past 8 days, Guariba had an average AQI of 71 based on station measurements. The worst day was 2026-05-27 with AQI 91.

How is Guariba air quality measured?

Air quality in Guariba 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 Guariba, Brazil

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

150h

PM2.5 Station

150h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	63	15–164	21.1 µg/m³	13h	2
2026-05-29	53	20–154	16.0 µg/m³	20h	2
2026-05-28	73	5–304	29.7 µg/m³	22h	2
2026-05-27	91	16–166	33.5 µg/m³	19h	2
2026-05-26	72	27–134	22.6 µg/m³	24h	2
2026-05-25	85	18–241	32.7 µg/m³	22h	2
2026-05-24	62	15–152	19.1 µg/m³	20h	2
2026-05-23	74	18–147	24.3 µg/m³	10h	3

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