What is the air quality trend in Piedade?

Over the past 15 days, Piedade had an average AQI of 71 based on station measurements. The worst day was 2026-05-25 with AQI 103.

How is Piedade air quality measured?

Air quality in Piedade 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 Piedade, Brazil

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

292h

PM2.5 Station

292h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	61	19–157	19.2 µg/m³	15h	2
2026-05-29	75	14–154	24.4 µg/m³	19h	2
2026-05-28	71	14–152	23.7 µg/m³	20h	2
2026-05-27	99	30–171	37.7 µg/m³	22h	2
2026-05-26	94	10–279	39.2 µg/m³	23h	2
2026-05-25	103	23–252	44.0 µg/m³	22h	2
2026-05-24	86	19–153	29.2 µg/m³	23h	2
2026-05-23	87	15–167	32.9 µg/m³	22h	2
2026-05-22	48	17–139	14.0 µg/m³	20h	2
2026-05-21	58	18–155	18.0 µg/m³	22h	2
2026-05-20	78	15–161	26.1 µg/m³	23h	3
2026-05-19	78	9–175	28.8 µg/m³	23h	2
2026-05-18	61	12–154	19.5 µg/m³	21h	2
2026-05-17	50	14–122	14.5 µg/m³	16h	3
2026-05-16	30	30–30	7.2 µg/m³	1h	1

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