What is the air quality trend in Nilambūr?

Over the past 15 days, Nilambūr had an average AQI of 72 based on station measurements. The worst day was 2026-05-24 with AQI 123.

How is Nilambūr air quality measured?

Air quality in Nilambūr 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 Nilambūr, India

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

228h

PM2.5 Station

228h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	54	34–74	15.4 µg/m³	4h	2
2026-05-29	58	15–102	17.0 µg/m³	17h	1
2026-05-28	63	3–156	19.9 µg/m³	19h	1
2026-05-27	91	13–500	48.6 µg/m³	18h	1
2026-05-26	77	19–176	27.5 µg/m³	14h	1
2026-05-25	87	17–269	38.3 µg/m³	17h	1
2026-05-24	123	20–500	67.7 µg/m³	15h	1
2026-05-23	102	19–500	99.9 µg/m³	18h	1
2026-05-22	51	11–153	16.0 µg/m³	15h	1
2026-05-21	56	6–156	18.9 µg/m³	18h	1
2026-05-20	71	13–183	26.3 µg/m³	19h	1
2026-05-19	88	14–282	38.3 µg/m³	15h	1
2026-05-18	67	7–168	24.2 µg/m³	19h	2
2026-05-17	46	12–104	13.7 µg/m³	14h	1
2026-05-16	49	6–70	13.4 µg/m³	6h	1

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