What is the air quality trend in Tiruvallur?

Over the past 8 days, Tiruvallur had an average AQI of 75 based on station measurements. The worst day was 2026-06-04 with AQI 80.

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

167h

PM2.5 Station

167h · 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	80	55–98	26.0 µg/m³	3h	7
2026-06-08	74	34–194	26.0 µg/m³	24h	6
2026-06-07	66	22–153	20.5 µg/m³	23h	5
2026-06-06	79	20–168	26.8 µg/m³	24h	5
2026-06-05	75	35–181	25.4 µg/m³	24h	5
2026-06-04	80	11–153	25.9 µg/m³	24h	5
2026-06-03	75	38–162	24.4 µg/m³	24h	5
2026-06-02	71	29–140	21.8 µg/m³	21h	5

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