What is the air quality trend in Diadema?

Over the past 8 days, Diadema had an average AQI of 62 based on station measurements. The worst day was 2026-08-04 with AQI 94.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	51	41–58	12.7 µg/m³	13.5	6h	3
2026-08-07	32	18–59	7.8 µg/m³	8.8	24h	3
2026-08-06	39	8–83	10.9 µg/m³	12.2	24h	3
2026-08-05	72	22–118	23.1 µg/m³	28.1	24h	3
2026-08-04	94	26–153	32.4 µg/m³	38.9	24h	3
2026-08-03	75	27–114	24.4 µg/m³	28.8	23h	3
2026-08-02	67	35–102	19.7 µg/m³	22.3	24h	3
2026-08-01	67	31–99	20.3 µg/m³	23.6	17h	3

Back to Diadema Air Quality