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New Delhi AQI Today

156US AQI
Unhealthy

The current Air Quality Index in New Delhi, National Capital Territory of Delhi, India is 156, which is considered unhealthy. The fine particulate (PM2.5) concentration is 79.6 µg/m³.

Last updated · Source: CAMS forecast model

Pollutant levels in New Delhi

PM2.579.6 µg/m³Fine particulate matter
PM10177.4 µg/m³Coarse particulate matter
O₃64 µg/m³Ozone
NO₂62.4 µg/m³Nitrogen dioxide
SO₂25.8 µg/m³Sulphur dioxide
CO1998 µg/m³Carbon monoxide

Health advice

Everyone may begin to experience health effects. Sensitive groups should avoid prolonged outdoor exertion; everyone else should limit it.

7-day AQI trend

DayAQICategory
Aug 16165Unhealthy
Aug 17164Unhealthy
Aug 18154Unhealthy
Aug 19162Unhealthy
Aug 20145Unhealthy for Sensitive Groups
Aug 21149Unhealthy for Sensitive Groups
Aug 22151Unhealthy

About the Air Quality Index

The Air Quality Index (AQI) converts measured pollutant concentrations — including PM2.5, PM10, ozone (O₃), nitrogen dioxide (NO₂), sulphur dioxide (SO₂), and carbon monoxide (CO) — into a single 0–500 scale. Higher values mean greater health risk. The reading for New Delhi reflects a CAMS forecast model and updates throughout the day. Learn what the AQI number means for your body, read the AQI scale reference, or compare PM2.5 and PM10.

Frequently asked questions about New Delhi air quality

What is the AQI in New Delhi today?

The current Air Quality Index in New Delhi, National Capital Territory of Delhi, India is 156 on the 0–500 US AQI scale, which is categorised as unhealthy. The reading comes from a CAMS forecast model and refreshes throughout the day.

What is the PM2.5 level in New Delhi right now?

Fine particulate matter (PM2.5) in New Delhi, National Capital Territory of Delhi, India is currently 79.6 µg/m³. The World Health Organization recommends keeping the 24-hour average below 15 µg/m³, so New Delhi is currently above the WHO guideline.

Is it safe to go outside in New Delhi today?

Everyone may begin to experience health effects. Sensitive groups should avoid prolonged outdoor exertion; everyone else should limit it.

What is considered a good AQI level?

An AQI of 0–50 is good, 51–100 is moderate, 101–150 is unhealthy for sensitive groups, 151–200 is unhealthy, 201–300 is very unhealthy, and anything above 300 is hazardous. The scale is the same everywhere, so readings are directly comparable between cities.

How often is the New Delhi air quality data updated?

Air quality readings for New Delhi, National Capital Territory of Delhi, India refresh throughout the day, and this page is rendered fresh on every visit, so the AQI, pollutant breakdown and 7-day trend always reflect the latest available model output.

Air quality near New Delhi

Compare New Delhi with the closest monitored cities — pollution is regional, so neighbouring readings often move together.

Open the live AQI dashboard Compare cities← All cities