What is the air quality trend in Gravataí?

Over the past 14 days, Gravataí had an average AQI of 22 based on station measurements. The worst day was 2026-07-26 with AQI 38.

How is Gravataí air quality measured?

Air quality in Gravataí 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 Gravataí, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-07	11	4–26	2.7 µg/m³	3.5	24h	3
2026-08-06	23	11–57	5.7 µg/m³	8.2	24h	3
2026-08-05	27	9–49	6.4 µg/m³	10.5	24h	3
2026-08-04	35	11–71	8.7 µg/m³	15.1	24h	3
2026-08-03	31	7–69	7.7 µg/m³	13.0	23h	3
2026-08-02	10	5–32	2.5 µg/m³	3.4	24h	3
2026-08-01	24	8–74	6.1 µg/m³	9.4	24h	3
2026-07-31	25	7–69	6.3 µg/m³	10.7	24h	3
2026-07-30	16	9–32	3.8 µg/m³	12.0	24h	3
2026-07-29	11	5–31	2.7 µg/m³	4.5	24h	3
2026-07-28	12	7–21	2.9 µg/m³	4.0	24h	3
2026-07-27	33	7–65	8.2 µg/m³	13.6	24h	3
2026-07-26	38	16–66	9.5 µg/m³	15.3	24h	3
2026-07-25	18	9–47	4.3 µg/m³	9.7	22h	3

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