A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Haldia Today (Wednesday, December 17) - Air Quality in Haldia
As of Today, Haldia AQI level is 203 which is recorded as Unhealthy category. This level is 49 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.
Haldia's AQI
Haldia WeatherWednesday Dec 17
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| December 17, 2025 | Haldia, West Bengal | 203 |
| December 16, 2025 | Haldia, West Bengal | 154 |
| December 15, 2025 | Haldia, West Bengal | 217 |
| December 14, 2025 | Haldia, West Bengal | 292 |
| December 13, 2025 | Haldia, West Bengal | 262 |
| December 12, 2025 | Haldia, West Bengal | 289 |
| December 11, 2025 | Haldia, West Bengal | 327 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Rohtak, Haryana | 421 |
| 2 | Delhi, Delhi | 354 |
| 3 | Noida, Uttar Pradesh | 352 |
| 4 | Dharuhera, Haryana | 343 |
| 5 | Baghpat, Uttar Pradesh | 337 |
| 6 | Ghaziabad, Uttar Pradesh | 332 |
| 7 | Ballabgarh, Haryana | 330 |
| 8 | Greater Noida, Uttar Pradesh | 326 |
| 9 | Gurugram, Haryana | 320 |
| 10 | Bahadurgarh, Haryana | 311 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 9 |
| 2 | Gangtok, Sikkim | 22 |
| 3 | Damoh, Madhya Pradesh | 33 |
| 4 | Aizawl, Mizoram | 38 |
| 5 | Sri Vijaya Puram, Andaman and Nicobar | 38 |
| 6 | Chamarajanagar, Karnataka | 45 |
| 7 | Samastipur, Bihar | 46 |
| 8 | Haveri, Karnataka | 46 |
| 9 | Kalaburagi, Karnataka | 53 |
| 10 | Shivamogga, Karnataka | 54 |
AQI in all cities of India
Frequently Asked Questions
Which AQI is best?
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


















