What is the air quality trend in Diadema?

Over the past 8 days, Diadema had an average AQI of 61 based on station measurements. The worst day was 2026-06-09 with AQI 107.

How is Diadema air quality measured?

Air quality in Diadema 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 Diadema, Brazil

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	107	83–132	38.0 µg/m³	47.3	14h	3
2026-06-08	80	22–124	26.6 µg/m³	32.5	24h	3
2026-06-07	99	51–149	33.9 µg/m³	40.9	24h	3
2026-06-06	66	32–156	19.7 µg/m³	23.0	24h	3
2026-06-05	19	7–60	4.6 µg/m³	5.7	24h	3
2026-06-04	34	12–75	8.7 µg/m³	9.8	24h	3
2026-06-03	38	16–70	9.8 µg/m³	10.8	24h	3
2026-06-02	47	30–60	12.0 µg/m³	13.2	10h	3

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