What is the air quality trend in Jardim Helena?

Over the past 8 days, Jardim Helena had an average AQI of 76 based on station measurements. The worst day was 2026-05-27 with AQI 84.

How is Jardim Helena air quality measured?

Air quality in Jardim Helena 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 Jardim Helena, Brazil

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

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

Current AQI
Good 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
2026-05-30	76	50–166	25.2 µg/m³	15.9	12h	25
2026-05-29	66	47–87	19.3 µg/m³	14.8	24h	26
2026-05-28	63	36–173	19.7 µg/m³	5.2	24h	31
2026-05-27	84	43–163	28.5 µg/m³	25.3	24h	29
2026-05-26	82	55–156	26.8 µg/m³	20.9	24h	29
2026-05-25	83	53–148	27.2 µg/m³	25.5	24h	30
2026-05-24	82	40–135	26.6 µg/m³	29.8	24h	31
2026-05-23	79	51–142	25.2 µg/m³	27.9	12h	34

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