A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Haldia Today (Tuesday, November 03) - Air Quality in Haldia
As of Today, Haldia AQI level is 67 which is recorded as Moderate category. This level is 19 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 WeatherTuesday Nov 03
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| November 03, 2026 | Haldia, West Bengal | 67 |
| November 02, 2026 | Haldia, West Bengal | 48 |
| November 01, 2026 | Haldia, West Bengal | 30 |
| October 31, 2026 | Haldia, West Bengal | 31 |
| October 30, 2026 | Haldia, West Bengal | 53 |
| October 29, 2026 | Haldia, West Bengal | 53 |
| October 28, 2026 | Haldia, West Bengal | 85 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Hapur, Uttar Pradesh | 339 |
| 2 | Noida, Uttar Pradesh | 330 |
| 3 | Delhi, Delhi | 324 |
| 4 | Kaithal, Haryana | 310 |
| 5 | Dharuhera, Haryana | 298 |
| 6 | Khurja, Uttar Pradesh | 290 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Gangtok, Sikkim | 21 |
| 2 | Aizawl, Mizoram | 22 |
| 3 | Nayagarh, Odisha | 24 |
| 4 | Chikkamagaluru, Karnataka | 28 |
| 5 | Rajamahendravaram, Andhra Pradesh | 31 |
| 6 | Amaravati, Andhra Pradesh | 32 |
| 7 | Madikeri, Karnataka | 32 |
| 8 | Barbil, Odisha | 35 |
| 9 | Visakhapatnam, Andhra Pradesh | 35 |
| 10 | Chamarajanagar, Karnataka | 38 |
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



















