What is the air quality trend in Kolavallúr?

Over the past 7 days, Kolavallúr had an average AQI of 62 based on station measurements. The worst day was 2026-05-27 with AQI 78.

How is Kolavallúr air quality measured?

Air quality in Kolavallúr 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 Kolavallúr, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

92h

PM2.5 Station

92h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	57	16–145	16.4 µg/m³	14h	1
2026-05-28	56	21–172	21.2 µg/m³	10h	1
2026-05-27	78	23–153	26.1 µg/m³	12h	1
2026-05-26	37	6–109	11.4 µg/m³	12h	1
2026-05-25	60	3–154	19.8 µg/m³	15h	1
2026-05-24	74	8–190	29.9 µg/m³	14h	1
2026-05-23	77	10–229	32.8 µg/m³	15h	1

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