What is the air quality trend in New Delhi?

Over the past 7 days, New Delhi had an average AQI of 125 based on station measurements. The worst day was 2026-07-16 with AQI 163.

How is New Delhi air quality measured?

Air quality in New 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 New Delhi, India

Name: New 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 New Delhi, India.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

83h

PM2.5 Station

83h · 18 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	72	42–119	22.3 µg/m³	8h	7
2026-07-20	109	75–160	40.1 µg/m³	11h	5
2026-07-19	133	88–165	52.2 µg/m³	12h	2
2026-07-18	132	95–178	54.7 µg/m³	8h	6
2026-07-17	145	105–180	63.2 µg/m³	14h	5
2026-07-16	163	100–365	86.6 µg/m³	14h	5
2026-07-15	127	78–171	48.7 µg/m³	16h	8

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