A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Ludhiana Today (Tuesday, January 06) - Air Quality in Ludhiana
As of Today, Ludhiana AQI level is 102 which is recorded as Poor category. This level is 3 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.
Ludhiana's AQI
Ludhiana WeatherTuesday Jan 06
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 06, 2026 | Ludhiana, Punjab | 102 |
| January 05, 2026 | Ludhiana, Punjab | 105 |
| January 04, 2026 | Ludhiana, Punjab | 103 |
| January 03, 2026 | Ludhiana, Punjab | 98 |
| January 02, 2026 | Ludhiana, Punjab | 120 |
| January 01, 2026 | Ludhiana, Punjab | 122 |
| December 31, 2025 | Ludhiana, Punjab | 110 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Dehradun, Uttarakhand | 272 |
| 2 | Ghaziabad, Uttar Pradesh | 262 |
| 3 | Noida, Uttar Pradesh | 260 |
| 4 | Talcher, Odisha | 257 |
| 5 | Bhubaneswar, Odisha | 256 |
| 6 | Cuttack, Odisha | 251 |
| 7 | Sikar, Rajasthan | 246 |
| 8 | Delhi, Delhi | 244 |
| 9 | Narnaul, Haryana | 243 |
| 10 | Dharuhera, Haryana | 242 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 15 |
| 2 | Damoh, Madhya Pradesh | 19 |
| 3 | Chikkamagaluru, Karnataka | 43 |
| 4 | Vijayapura, Karnataka | 43 |
| 5 | Chamarajanagar, Karnataka | 48 |
| 6 | Agartala, Tripura | 50 |
| 7 | Madikeri, Karnataka | 51 |
| 8 | Bhilai, Chhattisgarh | 52 |
| 9 | Silchar, Assam | 52 |
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

















