A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Howrah Today (Tuesday, January 13) - Air Quality in Howrah
As of Today, Howrah AQI level is 167 which is recorded as Poor category. This level is 29 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.
Howrah's AQI
Howrah WeatherTuesday Jan 13
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 13, 2026 | Howrah, West Bengal | 167 |
| January 12, 2026 | Howrah, West Bengal | 138 |
| January 11, 2026 | Howrah, West Bengal | 159 |
| January 10, 2026 | Howrah, West Bengal | 204 |
| January 09, 2026 | Howrah, West Bengal | 198 |
| January 08, 2026 | Howrah, West Bengal | 263 |
| January 07, 2026 | Howrah, West Bengal | 153 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Vapi, Gujarat | 366 |
| 2 | Baddi, Himachal Pradesh | 306 |
| 3 | Gurugram, Haryana | 297 |
| 4 | Delhi, Delhi | 297 |
| 5 | Ghaziabad, Uttar Pradesh | 287 |
| 6 | Bikaner, Rajasthan | 285 |
| 7 | Noida, Uttar Pradesh | 274 |
| 8 | Dharuhera, Haryana | 272 |
| 9 | Faridabad, Haryana | 261 |
| 10 | Greater Noida, Uttar Pradesh | 258 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 9 |
| 2 | Madikeri, Karnataka | 16 |
| 3 | Gangtok, Sikkim | 33 |
| 4 | Dindigul, TamilNadu | 34 |
| 5 | Chikkamagaluru, Karnataka | 35 |
| 6 | Madurai, TamilNadu | 41 |
| 7 | Vijayapura, Karnataka | 43 |
| 8 | Chamarajanagar, Karnataka | 43 |
| 9 | Mysuru, Karnataka | 44 |
| 10 | Vrindavan, Uttar Pradesh | 44 |
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


















