AQI in KOLKATA Today (Sunday, November 30) - Air Quality in KOLKATA
As of Today, Kolkata AQI level is 189 which is recorded as Poor category. This level is 8 point(s) higher 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.
Kolkata WeatherSunday Nov 30
Last 7 Days AQI
Updated: November 30, 2025| Dates | City, States | AQI |
|---|---|---|
| November 30, 2025 | Kolkata, West Bengal | 189 |
| November 29, 2025 | Kolkata, West Bengal | 181 |
| November 28, 2025 | Kolkata, West Bengal | 197 |
| November 27, 2025 | Kolkata, West Bengal | 219 |
| November 26, 2025 | Kolkata, West Bengal | 235 |
| November 25, 2025 | Kolkata, West Bengal | 187 |
| November 24, 2025 | Kolkata, West Bengal | 256 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Sonipat, Haryana | 329 |
| 2 | Bahadurgarh, Haryana | 322 |
| 3 | Hapur, Uttar Pradesh | 310 |
| 4 | Noida, Uttar Pradesh | 310 |
| 5 | Dharuhera, Haryana | 309 |
| 6 | Delhi, Delhi | 305 |
| 7 | Charkhi Dadri, Haryana | 304 |
| 8 | Ghaziabad, Uttar Pradesh | 299 |
| 9 | Greater Noida, Uttar Pradesh | 288 |
| 10 | Kota, Rajasthan | 287 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 16 |
| 2 | Gangtok, Sikkim | 18 |
| 3 | Palkalaiperur, TamilNadu | 34 |
| 4 | Damoh, Madhya Pradesh | 35 |
| 5 | Aizawl, Mizoram | 37 |
| 6 | Thoothukudi, TamilNadu | 41 |
| 7 | Madikeri, Karnataka | 43 |
| 8 | Chamarajanagar, Karnataka | 49 |
| 9 | Kalaburagi, Karnataka | 49 |
| 10 | Haveri, Karnataka | 50 |
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