AQI in DELHI Today (Saturday, November 22) - Air Quality in DELHI
As of Today, Delhi AQI level is 391 which is recorded as Severe category. This level is 13 point(s) lower compared to the previous day. The AQI, a standard measure of air quality, offers insights into the concentration of pollutants in the air, ranging from harmful particles to gases like carbon monoxide and sulfur dioxide.
Delhi WeatherSaturday Nov 22
Last 7 Days AQI
Updated: November 21, 2025| Dates | City, States | AQI |
|---|---|---|
| November 21, 2025 | Delhi, Delhi | 391 |
| November 14, 2025 | Delhi, Delhi | 404 |
| November 13, 2025 | Delhi, Delhi | 418 |
| November 12, 2025 | Delhi, Delhi | 428 |
| November 06, 2025 | Delhi, Delhi | 202 |
| November 05, 2025 | Delhi, Delhi | 291 |
| November 01, 2025 | Delhi, Delhi | 218 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Ghaziabad, Uttar Pradesh | 430 |
| 2 | Baghpat, Uttar Pradesh | 428 |
| 3 | Noida, Uttar Pradesh | 408 |
| 4 | Delhi, Delhi | 391 |
| 5 | Hapur, Uttar Pradesh | 388 |
| 6 | Greater Noida, Uttar Pradesh | 380 |
| 7 | Bhiwadi, Rajasthan | 349 |
| 8 | Meerut, Uttar Pradesh | 345 |
| 9 | Muzaffarnagar, Uttar Pradesh | 336 |
| 10 | Manesar, Haryana | 312 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Nagaon, Assam | 32 |
| 2 | Chamarajanagar, Karnataka | 38 |
| 3 | Thiruvananthapuram, Kerala | 38 |
| 4 | Purnia, Bihar | 41 |
| 5 | Gadag, Karnataka | 41 |
| 6 | Shillong, Meghalaya | 42 |
| 7 | Kishanganj, Bihar | 44 |
| 8 | Agartala, Tripura | 47 |
| 9 | Manguraha, Bihar | 47 |
| 10 | Thoothukudi, TamilNadu | 48 |
AQI in all cities of India
Frequently Asked Questions
Which AQI is best?
A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
What are the criteria for AQI?
AQI criteria include measuring the concentration of pollutants like PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide, carbon monoxide, and ammonia over a specified averaging period.
What are the 8 parameters of AQI?
The 8 parameters of AQI are: Particulate Matter (PM10), Particulate Matter (PM2.5), Ozone (O3), Nitrogen Dioxide (NO2), Sulphur Dioxide (SO2), Carbon Monoxide (CO), Ammonia (NH3), and Lead (Pb).
What are the 6 categories of AQI?
The 6 categories of AQI are: 0-50: Good, 51-100: Moderate, 101-200: Poor, 201-300: Unhealthy, 301-400: Severe, 401-500+: Hazardous