A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Howrah Today (Monday, January 19) - Air Quality in Howrah
As of Today, Howrah AQI level is 239 which is recorded as Unhealthy category. This level is 21 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 WeatherMonday Jan 19
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 19, 2026 | Howrah, West Bengal | 239 |
| January 18, 2026 | Howrah, West Bengal | 218 |
| January 17, 2026 | Howrah, West Bengal | 181 |
| January 16, 2026 | Howrah, West Bengal | 202 |
| January 15, 2026 | Howrah, West Bengal | 193 |
| January 14, 2026 | Howrah, West Bengal | 139 |
| January 13, 2026 | Howrah, West Bengal | 167 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Ghaziabad, Uttar Pradesh | 458 |
| 2 | Delhi, Delhi | 440 |
| 3 | Noida, Uttar Pradesh | 430 |
| 4 | Greater Noida, Uttar Pradesh | 402 |
| 5 | Panipat, Haryana | 397 |
| 6 | Gurugram, Haryana | 378 |
| 7 | Dharuhera, Haryana | 361 |
| 8 | Meerut, Uttar Pradesh | 352 |
| 9 | Bhiwadi, Rajasthan | 348 |
| 10 | Angul, Odisha | 335 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 10 |
| 2 | Madikeri, Karnataka | 42 |
| 3 | Chamarajanagar, Karnataka | 45 |
| 4 | Bagalkot, Karnataka | 46 |
| 5 | Chikkamagaluru, Karnataka | 47 |
| 6 | Silchar, Assam | 50 |
| 7 | Kalaburagi, Karnataka | 55 |
| 8 | Aizawl, Mizoram | 57 |
| 9 | Shivamogga, Karnataka | 57 |
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



















