What is the air quality trend in Gangtok?

Over the past 15 days, Gangtok had an average AQI of 78 based on station measurements. The worst day was 2026-06-04 with AQI 93.

How is Gangtok air quality measured?

Air quality in Gangtok 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 Gangtok, India

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 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	87	73–116	29.0 µg/m³	9h	5
2026-06-08	79	66–96	25.7 µg/m³	24h	5
2026-06-07	89	75–128	30.0 µg/m³	24h	4
2026-06-06	85	70–117	28.2 µg/m³	24h	5
2026-06-05	84	59–94	27.8 µg/m³	24h	4
2026-06-04	93	81–129	31.8 µg/m³	24h	4
2026-06-03	92	76–119	31.7 µg/m³	24h	5
2026-06-02	83	72–111	27.2 µg/m³	24h	4
2026-06-01	75	14–106	24.1 µg/m³	24h	4
2026-05-31	66	55–78	19.0 µg/m³	24h	4
2026-05-30	70	58–128	20.8 µg/m³	24h	4
2026-05-29	67	57–96	19.9 µg/m³	24h	4
2026-05-28	68	55–79	20.2 µg/m³	24h	3
2026-05-27	64	54–69	18.4 µg/m³	23h	4
2026-05-26	70	58–134	21.1 µg/m³	15h	5

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