What is the air quality trend in Shimla?

Over the past 21 days, Shimla had an average AQI of 71 based on station measurements. The worst day was 2026-05-21 with AQI 90.

How is Shimla air quality measured?

Air quality in Shimla 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 Shimla, India

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

465h

PM2.5 Station

465h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	53	40–62	13.8 µg/m³	3h	3
2026-05-29	59	5–91	16.9 µg/m³	23h	3
2026-05-28	73	11–177	25.1 µg/m³	23h	3
2026-05-27	74	10–161	25.2 µg/m³	21h	3
2026-05-26	87	33–153	28.9 µg/m³	24h	3
2026-05-25	68	9–158	22.4 µg/m³	24h	3
2026-05-24	69	20–163	23.2 µg/m³	23h	3
2026-05-23	80	19–176	27.8 µg/m³	22h	3
2026-05-22	81	5–188	30.6 µg/m³	23h	4
2026-05-21	90	44–254	35.0 µg/m³	24h	4
2026-05-20	81	21–154	27.2 µg/m³	24h	4
2026-05-19	80	9–174	28.5 µg/m³	23h	4
2026-05-18	67	12–156	21.9 µg/m³	24h	3
2026-05-17	53	21–113	15.6 µg/m³	22h	3
2026-05-16	86	10–260	35.9 µg/m³	22h	3
2026-05-15	59	20–201	21.0 µg/m³	24h	4
2026-05-14	73	25–153	23.1 µg/m³	24h	4
2026-05-13	77	12–154	24.9 µg/m³	24h	4
2026-05-12	64	19–114	19.2 µg/m³	24h	4
2026-05-11	69	27–132	21.5 µg/m³	24h	4
2026-05-10	62	28–115	18.0 µg/m³	20h	4

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