A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
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AQI in Ludhiana Today (Monday, August 04) - Air Quality in Ludhiana
As of Today, Ludhiana AQI level is 46 which is recorded as Good category. This level is 12 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 WeatherMonday Aug 04
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Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| August 04, 2025 | Ludhiana, Punjab | 46 |
| August 02, 2025 | Ludhiana, Punjab | 58 |
| August 01, 2025 | Ludhiana, Punjab | 64 |
| July 31, 2025 | Ludhiana, Punjab | 61 |
| July 30, 2025 | Ludhiana, Punjab | 61 |
| July 29, 2025 | Ludhiana, Punjab | 80 |
| July 28, 2025 | Ludhiana, Punjab | 79 |
Source : Central Pollution Control Board
Changes in AQI in Last 7 Days
Source: Central Pollution Control Board
Updated: August 04, 2025 | 12:57 AM
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Tirumala, Andhra Pradesh | 347 |
| 2 | Sri Ganganagar, Rajasthan | 207 |
| 3 | Chhapra, Bihar | 185 |
| 4 | Dausa, Rajasthan | 135 |
| 5 | Dholpur, Rajasthan | 127 |
| 6 | Churu, Rajasthan | 125 |
| 7 | Manguraha, Bihar | 118 |
| 8 | Nandesari, Gujarat | 116 |
| 9 | Jaipur, Rajasthan | 113 |
| 10 | Delhi, Delhi | 112 |
Source : Central Pollution Control Board
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Thanjavur, TamilNadu | 20 |
| 2 | Gaya, Bihar | 20 |
| 3 | Dehradun, Uttarakhand | 21 |
| 4 | Rishikesh, Uttarakhand | 24 |
| 5 | Cuddalore, TamilNadu | 24 |
| 6 | Kashipur, Uttarakhand | 26 |
| 7 | Prayagraj, Uttar Pradesh | 26 |
| 8 | Madurai, TamilNadu | 27 |
| 9 | Aizawl, Mizoram | 28 |
| 10 | Shillong, Meghalaya | 29 |
Source : Central Pollution Control Board
AQI In Indian Cities
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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
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