A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Nagapattinam Today (Thursday, January 15) - Air Quality in Nagapattinam
As of Today, Nagapattinam AQI level is 58 which is recorded as Moderate category. This level is 2 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.
Nagapattinam's AQI
Nagapattinam WeatherThursday Jan 15
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 15, 2026 | Nagapattinam, TamilNadu | 58 |
| January 12, 2026 | Nagapattinam, TamilNadu | 56 |
| January 11, 2026 | Nagapattinam, TamilNadu | 84 |
| December 19, 2025 | Nagapattinam, TamilNadu | 29 |
| December 14, 2025 | Nagapattinam, TamilNadu | 115 |
| December 13, 2025 | Nagapattinam, TamilNadu | 142 |
| December 11, 2025 | Nagapattinam, TamilNadu | 92 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Greater Noida, Uttar Pradesh | 357 |
| 2 | Delhi, Delhi | 353 |
| 3 | Ghaziabad, Uttar Pradesh | 342 |
| 4 | Noida, Uttar Pradesh | 338 |
| 5 | Ballabgarh, Haryana | 338 |
| 6 | Dharuhera, Haryana | 320 |
| 7 | Bikaner, Rajasthan | 319 |
| 8 | Narnaul, Haryana | 318 |
| 9 | Mandi Gobindgarh, Punjab | 317 |
| 10 | Baghpat, Uttar Pradesh | 315 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Gangtok, Sikkim | 28 |
| 2 | Hisar, Haryana | 39 |
| 3 | Chikkamagaluru, Karnataka | 40 |
| 4 | Dindigul, TamilNadu | 42 |
| 5 | Ramanathapuram, TamilNadu | 47 |
| 6 | Koppal, Karnataka | 47 |
| 7 | Kalaburagi, Karnataka | 48 |
| 8 | Madurai, TamilNadu | 49 |
| 9 | Bagalkot, Karnataka | 53 |
| 10 | Kolhapur, Maharashtra | 54 |
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


















