What is the air quality trend in Chengalpattu?

Over the past 15 days, Chengalpattu had an average AQI of 68 based on station measurements. The worst day was 2026-06-04 with AQI 94.

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
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

311h

PM2.5 Station

311h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	82	8–154	27.4 µg/m³	16h	4
2026-06-08	79	25–133	25.7 µg/m³	23h	4
2026-06-07	80	28–187	30.1 µg/m³	22h	5
2026-06-06	81	9–192	29.2 µg/m³	24h	5
2026-06-05	77	21–154	24.8 µg/m³	24h	5
2026-06-04	94	40–173	33.6 µg/m³	23h	5
2026-06-03	85	38–146	28.2 µg/m³	24h	5
2026-06-02	63	11–142	18.8 µg/m³	24h	4
2026-06-01	55	20–164	17.0 µg/m³	22h	3
2026-05-31	55	11–491	32.2 µg/m³	20h	2
2026-05-30	42	15–109	10.9 µg/m³	24h	3
2026-05-29	44	2–161	13.3 µg/m³	22h	2
2026-05-28	48	23–162	13.7 µg/m³	19h	2
2026-05-27	57	30–173	17.9 µg/m³	19h	3
2026-05-26	78	40–153	25.3 µg/m³	5h	3

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