What is the air quality trend in Catanduva?

Over the past 15 days, Catanduva had an average AQI of 52 based on station measurements. The worst day was 2026-07-22 with AQI 71.

How is Catanduva air quality measured?

Air quality in Catanduva 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 Catanduva, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

220h

PM2.5 Station

220h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	71	71–71	21.6 µg/m³	1h	1
2026-07-21	35	10–64	8.8 µg/m³	12h	1
2026-07-20	36	14–167	11.5 µg/m³	17h	1
2026-07-19	42	9–71	10.9 µg/m³	17h	1
2026-07-18	43	11–62	10.8 µg/m³	12h	2
2026-07-17	55	3–166	17.4 µg/m³	20h	2
2026-07-16	70	14–212	28.0 µg/m³	17h	1
2026-07-15	47	6–155	15.0 µg/m³	16h	1
2026-07-14	65	13–179	26.0 µg/m³	15h	1
2026-07-13	58	3–167	21.9 µg/m³	18h	1
2026-07-12	59	5–345	32.2 µg/m³	15h	2
2026-07-11	63	6–167	22.3 µg/m³	14h	1
2026-07-10	47	5–94	13.4 µg/m³	16h	1
2026-07-09	43	8–142	11.9 µg/m³	16h	1
2026-07-08	56	18–122	15.9 µg/m³	14h	1

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