What is the air quality trend in Ponneri?

Over the past 8 days, Ponneri had an average AQI of 81 based on station measurements. The worst day was 2026-06-03 with AQI 98.

How is Ponneri air quality measured?

Air quality in Ponneri 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 Ponneri, India

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

Historical PM2.5 and AQI trend from monitoring stations near Ponneri, India.

127

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	74	32–137	23.5 µg/m³	9h	4
2026-06-08	73	18–153	23.6 µg/m³	24h	5
2026-06-07	80	11–187	28.7 µg/m³	24h	5
2026-06-06	82	42–159	27.0 µg/m³	24h	5
2026-06-05	75	10–162	24.7 µg/m³	24h	5
2026-06-04	80	41–122	25.6 µg/m³	23h	5
2026-06-03	98	45–172	35.5 µg/m³	24h	5
2026-06-02	89	54–160	30.8 µg/m³	12h	6

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