Today · 21 July 2026

Delhi's average AQI today is 90 (Satisfactory), +10 points vs last year. +22 points of that survive weather correction: the part the city's own pollution produced. Today's reading itself is weather-flattered by about 10 points.

29 / 29

Stations worse

than the same period last year

+23

Typical station, AQI points

above last year, weather removed

+25.2

Worst tenth, AQI points

the hardest hit stations

Analysis window: 10 AM 20th July to 10 AM 21st July
Baseline: YoY baseline: avg of 14th Jul - 28th Jul 2025 (same +/-7 days), matched stations
A caution we publish daily: Gas data carries documented unit-inconsistency (peer-reviewed international research, 2025); we lead on the reliable PM2.5/PM10.

Today

Today's full report

Roughly twelve pages: the verdict on today's air, every monitoring station, the weather versus policy attribution, the full year of de-weathered trends, and the annexures behind each number.

Read

The archive

The run

One report for every day the monitoring network reported enough stations to publish honestly.

See the daily archive

The films

The beam

A short film every day, narrated in Hindi, built from the same analysis as that day's written report.

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The deep edition

The lid

A longer reckoning each week: the seven days together, what moved, and what the movement was actually caused by.

Read the weekly

Investigations

The evidence

Standalone investigations that go beyond the daily record.

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The method

Taking the weather out

How we separate the pollution the city produced from the weather it happened to get, and why that is the only honest comparison.

How it works

Who publishes this

At street level

Published by Ajay Maken, Member of Parliament, on official CPCB monitoring data. The analysis, and any error in it, is ours.

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