What is the air quality trend in Cuddalore?

Over the past 3 days, Cuddalore had an average AQI of 94 based on station measurements. The worst day was 2026-06-06 with AQI 155.

How is Cuddalore air quality measured?

Air quality in Cuddalore 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 Cuddalore, India

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

33h

PM2.5 Station

33h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	49	10–123	14.4 µg/m³	17h	1
2026-06-07	79	5–154	26.5 µg/m³	15h	2
2026-06-06	155	155–155	63.2 µg/m³	1h	1

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