What is the air quality trend in Saint-Joseph?

Over the past 8 days, Saint-Joseph had an average AQI of 66 based on station measurements. The worst day was 2026-06-05 with AQI 103.

How is Saint-Joseph air quality measured?

Air quality in Saint-Joseph 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 Saint-Joseph, Réunion

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

Historical PM2.5 and AQI trend from monitoring stations near Saint-Joseph, Réunion.

120

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

156h

PM2.5 Station

156h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	37	2–70	9.8 µg/m³	9h	4
2026-06-08	57	13–165	18.6 µg/m³	22h	4
2026-06-07	56	15–153	17.0 µg/m³	24h	4
2026-06-06	61	17–152	18.3 µg/m³	23h	5
2026-06-05	103	25–500	49.3 µg/m³	23h	6
2026-06-04	87	35–269	34.4 µg/m³	23h	6
2026-06-03	67	15–159	22.8 µg/m³	21h	5
2026-06-02	65	39–104	19.3 µg/m³	11h	6

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