AQI in COIMBATORE Today (Thursday, December 18) - Air Quality in COIMBATORE
As of Today, Coimbatore AQI level is 96 which is recorded as Moderate category. This level is 20 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.
Coimbatore WeatherThursday Dec 18
Last 7 Days AQI
Updated: December 18, 2025| Dates | City, States | AQI |
|---|---|---|
| December 18, 2025 | Coimbatore, TamilNadu | 96 |
| December 17, 2025 | Coimbatore, TamilNadu | 116 |
| December 16, 2025 | Coimbatore, TamilNadu | 104 |
| December 15, 2025 | Coimbatore, TamilNadu | 111 |
| December 14, 2025 | Coimbatore, TamilNadu | 160 |
| December 13, 2025 | Coimbatore, TamilNadu | 190 |
| December 12, 2025 | Coimbatore, TamilNadu | 136 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Rohtak, Haryana | 385 |
| 2 | Mandi Gobindgarh, Punjab | 361 |
| 3 | Baghpat, Uttar Pradesh | 336 |
| 4 | Delhi, Delhi | 334 |
| 5 | Noida, Uttar Pradesh | 331 |
| 6 | Panchkula, Haryana | 330 |
| 7 | Greater Noida, Uttar Pradesh | 310 |
| 8 | Ghaziabad, Uttar Pradesh | 308 |
| 9 | Talcher, Odisha | 305 |
| 10 | Bahadurgarh, Haryana | 303 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Puducherry, Puducherry | 28 |
| 2 | Damoh, Madhya Pradesh | 29 |
| 3 | Madikeri, Karnataka | 33 |
| 4 | Koppal, Karnataka | 36 |
| 5 | Cuddalore, TamilNadu | 36 |
| 6 | Aizawl, Mizoram | 38 |
| 7 | Thoothukudi, TamilNadu | 41 |
| 8 | Mangalore, Karnataka | 42 |
| 9 | Chamarajanagar, Karnataka | 43 |
| 10 | Jhansi, Uttar Pradesh | 47 |
AQI in all cities of India
Frequently Asked Questions
Which AQI is best?
A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
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