What is the air quality trend in Tiruvallur?

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

How is Tiruvallur air quality measured?

Air quality in Tiruvallur 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 Tiruvallur, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 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	30.5 µg/m³	13h	6

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