Published by Ajay Maken, Member of Parliament, Rajya Sabha. Independent analysis of official CPCB monitoring data. Data compiled by CREA, with our thanks for its work in creating awareness. Contact: [email protected]
हवा का हिसाब Hawa Ka Hisab

Today · 30 July 2026

Delhi's average AQI today is 121 (Moderate), +36 points vs last year. +3 points of that survive weather correction: the part the city's own pollution produced. Today's reading itself is weather-inflated by about 39 points.

61
Consecutive days worse
than the same period last year
137 / 210
Days worse this year
of all days measured in 2026
+15.3
Average excess, µg/m³
PM10 above last year, weather removed
Analysis window: 10 AM 29th July to 10 AM 30th July
Baseline: YoY baseline: avg of 23rd Jul - 6th Aug 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.

Watch the films

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.

See the investigations

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.

About and contact

With thanks

With special thanks to the Centre for Research on Energy and Clean Air (CREA). Its hourly compilation of the official station data is what this analysis is built on, and its own work has done a great deal to create public awareness of the air.