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New Delhi AQI Today

173US AQI
Unhealthy

The current Air Quality Index in New Delhi, National Capital Territory of Delhi, India is 173, which is considered unhealthy. The fine particulate (PM2.5) concentration is 59 µg/m³.

Last updated · Source: CAMS forecast model

Pollutant levels in New Delhi

PM2.559 µg/m³Fine particulate matter
PM10140.6 µg/m³Coarse particulate matter
O₃74 µg/m³Ozone
NO₂24.5 µg/m³Nitrogen dioxide
SO₂29.8 µg/m³Sulphur dioxide
CO547 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
Oct 1166Unhealthy
Oct 2164Unhealthy
Oct 3166Unhealthy
Oct 4173Unhealthy
Oct 5215Very Unhealthy
Oct 6208Very Unhealthy
Oct 7170Unhealthy

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, see what to do at today’s AQI, 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 173 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 59 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.

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