A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Siliguri Today (Sunday, June 07) - Air Quality in Siliguri
As of Today, Siliguri AQI level is 52 which is recorded as Moderate category. This level is 11 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.
Siliguri's AQI
Siliguri WeatherSunday Jun 07
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| June 07, 2026 | Siliguri, West Bengal | 52 |
| June 06, 2026 | Siliguri, West Bengal | 63 |
| June 05, 2026 | Siliguri, West Bengal | 65 |
| June 01, 2026 | Siliguri, West Bengal | 58 |
| May 31, 2026 | Siliguri, West Bengal | 62 |
| May 30, 2026 | Siliguri, West Bengal | 74 |
| May 29, 2026 | Siliguri, West Bengal | 63 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Ballabgarh, Haryana | 280 |
| 2 | Greater Noida, Uttar Pradesh | 258 |
| 3 | Faridabad, Haryana | 237 |
| 4 | Noida, Uttar Pradesh | 223 |
| 5 | Panchgaon, Haryana | 210 |
| 6 | Dhanbad, Jharkhand | 209 |
| 7 | Meerut, Uttar Pradesh | 206 |
| 8 | Panipat, Haryana | 205 |
| 9 | Bikaner, Rajasthan | 200 |
| 10 | Hapur, Uttar Pradesh | 193 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Madikeri, Karnataka | 20 |
| 2 | Gangtok, Sikkim | 30 |
| 3 | Ramanagara, Karnataka | 32 |
| 4 | Chamarajanagar, Karnataka | 33 |
| 5 | Mysuru, Karnataka | 33 |
| 6 | Coimbatore, TamilNadu | 34 |
| 7 | Mira-Bhayandar, Maharashtra | 37 |
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


















