What is the air quality trend in Chengalpattu?

Over the past 8 days, Chengalpattu had an average AQI of 73 based on station measurements. The worst day was 2026-06-04 with AQI 82.

How is Chengalpattu air quality measured?

Air quality in Chengalpattu 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 Chengalpattu, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 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	60	4–119	18.7 µg/m³	11h	3
2026-06-08	67	13–151	21.0 µg/m³	23h	3
2026-06-07	76	13–176	27.7 µg/m³	23h	3
2026-06-06	77	9–304	30.5 µg/m³	24h	3
2026-06-05	78	16–191	28.8 µg/m³	24h	3
2026-06-04	82	20–169	29.5 µg/m³	22h	4
2026-06-03	76	17–182	28.3 µg/m³	23h	3
2026-06-02	71	37–109	21.9 µg/m³	11h	4

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