What is the air quality trend in Delhi?

Over the past 9 days, Delhi had an average AQI of 96 based on station measurements. The worst day was 2026-07-19 with AQI 138.

How is Delhi air quality measured?

Air quality in Delhi 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 Delhi, India

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

124h

PM2.5 Station

124h · 19 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	82	45–119	26.7 µg/m³	20h	15
2026-08-06	79	55–110	25.5 µg/m³	19h	10
2026-08-05	103	82–133	36.1 µg/m³	3h	20
2026-07-24	102	82–133	35.5 µg/m³	8h	8
2026-07-23	97	60–169	35.5 µg/m³	20h	10
2026-07-22	80	64–124	25.9 µg/m³	22h	14
2026-07-21	78	42–119	25.0 µg/m³	10h	8
2026-07-20	111	75–160	40.8 µg/m³	11h	5
2026-07-19	138	88–165	53.9 µg/m³	11h	3

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