AQI in SALEM Today (Thursday, December 18) - Air Quality in SALEM
As of Today, Salem AQI level is 113 which is recorded as Poor category. This level is 38 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.
Salem WeatherThursday Dec 18
Last 7 Days AQI
Updated: December 14, 2025| Dates | City, States | AQI |
|---|---|---|
| December 14, 2025 | Salem, TamilNadu | 113 |
| December 02, 2025 | Salem, TamilNadu | 75 |
| December 01, 2025 | Salem, TamilNadu | 73 |
| November 30, 2025 | Salem, TamilNadu | 156 |
| November 29, 2025 | Salem, TamilNadu | 142 |
| November 28, 2025 | Salem, TamilNadu | 113 |
| November 27, 2025 | Salem, TamilNadu | 96 |
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