What is the air quality trend in Tondalam?

Over the past 21 days, Tondalam had an average AQI of 71 based on station measurements. The worst day was 2026-05-24 with AQI 116.

How is Tondalam air quality measured?

Air quality in Tondalam 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 Tondalam, India

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

363h

PM2.5 Station

363h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	55	34–68	15.4 µg/m³	3h	1
2026-05-29	57	5–109	16.6 µg/m³	20h	2
2026-05-28	60	9–137	19.1 µg/m³	14h	1
2026-05-27	91	3–302	39.6 µg/m³	18h	1
2026-05-26	85	14–176	33.8 µg/m³	18h	2
2026-05-25	73	3–183	27.0 µg/m³	19h	2
2026-05-24	116	4–500	60.5 µg/m³	18h	1
2026-05-23	107	9–406	53.6 µg/m³	18h	2
2026-05-22	65	11–159	21.5 µg/m³	19h	2
2026-05-21	81	21–187	31.4 µg/m³	21h	2
2026-05-20	66	8–163	22.0 µg/m³	17h	1
2026-05-19	67	6–399	34.1 µg/m³	19h	1
2026-05-18	64	5–150	20.6 µg/m³	19h	2
2026-05-17	48	9–169	15.9 µg/m³	18h	1
2026-05-16	70	7–158	23.5 µg/m³	15h	1
2026-05-15	64	4–159	21.1 µg/m³	21h	2
2026-05-14	72	7–162	26.1 µg/m³	16h	2
2026-05-13	59	7–163	19.0 µg/m³	22h	2
2026-05-12	66	9–145	21.0 µg/m³	17h	2
2026-05-11	65	15–172	22.6 µg/m³	19h	2
2026-05-10	65	16–148	20.5 µg/m³	12h	2

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