What is the air quality trend in Shillong?

Over the past 8 days, Shillong had an average AQI of 83 based on station measurements. The worst day was 2026-05-23 with AQI 138.

How is Shillong air quality measured?

Air quality in Shillong 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 Shillong, India

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

135h

PM2.5 Station

135h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	70	24–161	23.6 µg/m³	9h	2
2026-05-29	86	22–365	38.7 µg/m³	20h	2
2026-05-28	54	14–160	17.2 µg/m³	16h	2
2026-05-27	88	33–192	34.4 µg/m³	21h	2
2026-05-26	78	14–162	29.0 µg/m³	15h	2
2026-05-25	70	19–162	24.1 µg/m³	19h	2
2026-05-24	86	22–160	29.8 µg/m³	23h	2
2026-05-23	138	13–411	97.2 µg/m³	12h	2

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