What is the air quality trend in New Delhi?

Over the past 12 days, New Delhi had an average AQI of 99 based on station measurements. The worst day was 2026-08-26 with AQI 147.

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

276h

PM2.5 Station

276h · 19 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	56	34–75	15.0 µg/m³	18h	19
2026-09-04	63	30–116	18.0 µg/m³	24h	19
2026-09-03	67	55–106	19.6 µg/m³	24h	19
2026-09-02	73	51–132	22.1 µg/m³	24h	19
2026-09-01	86	60–122	28.3 µg/m³	24h	19
2026-08-31	98	65–130	34.0 µg/m³	24h	19
2026-08-30	101	69–137	35.0 µg/m³	24h	19
2026-08-29	120	79–180	45.1 µg/m³	24h	19
2026-08-28	124	96–166	46.4 µg/m³	24h	20
2026-08-27	135	99–168	52.3 µg/m³	24h	19
2026-08-26	147	106–165	58.9 µg/m³	24h	20
2026-08-25	118	71–216	47.6 µg/m³	18h	19

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