What is the air quality trend in Shillong?

Over the past 15 days, Shillong had an average AQI of 63 based on station measurements. The worst day was 2026-05-16 with AQI 80.

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

234h

PM2.5 Station

234h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	57	29–124	17.0 µg/m³	9h	1
2026-05-29	60	15–159	18.7 µg/m³	17h	2
2026-05-28	76	14–255	32.2 µg/m³	15h	1
2026-05-27	48	17–156	14.3 µg/m³	16h	1
2026-05-26	61	9–173	19.8 µg/m³	21h	1
2026-05-25	65	6–134	20.7 µg/m³	16h	1
2026-05-24	71	4–155	24.2 µg/m³	19h	2
2026-05-23	56	9–163	19.1 µg/m³	15h	2
2026-05-22	69	8–164	25.3 µg/m³	18h	1
2026-05-21	53	9–168	18.1 µg/m³	16h	1
2026-05-20	77	15–164	27.4 µg/m³	20h	1
2026-05-19	58	8–170	20.0 µg/m³	16h	2
2026-05-18	70	7–173	25.1 µg/m³	19h	1
2026-05-17	48	13–128	14.7 µg/m³	9h	1
2026-05-16	80	30–169	29.8 µg/m³	8h	2

Back to Shillong Air Quality