AQI in HOWRAH Today (Friday, December 12) - Air Quality in HOWRAH
As of Today, Howrah AQI level is 280 which is recorded as Unhealthy category. This level is 18 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 WeatherFriday Dec 12
Last 7 Days AQI
Updated: December 11, 2025| Dates | City, States | AQI |
|---|---|---|
| December 11, 2025 | Howrah, West Bengal | 280 |
| December 10, 2025 | Howrah, West Bengal | 262 |
| December 09, 2025 | Howrah, West Bengal | 213 |
| December 08, 2025 | Howrah, West Bengal | 196 |
| December 07, 2025 | Howrah, West Bengal | 169 |
| December 06, 2025 | Howrah, West Bengal | 213 |
| December 05, 2025 | Howrah, West Bengal | 217 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Haldia, West Bengal | 327 |
| 2 | Ballabgarh, Haryana | 308 |
| 3 | Balasore, Odisha | 307 |
| 4 | Sonipat, Haryana | 287 |
| 5 | Howrah, West Bengal | 280 |
| 6 | Bhubaneswar, Odisha | 277 |
| 7 | Gurugram, Haryana | 276 |
| 8 | Cuttack, Odisha | 275 |
| 9 | Byasanagar, Odisha | 272 |
| 10 | Jind, Haryana | 270 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 13 |
| 2 | Damoh, Madhya Pradesh | 24 |
| 3 | Chamarajanagar, Karnataka | 37 |
| 4 | Aizawl, Mizoram | 38 |
| 5 | Madikeri, Karnataka | 39 |
| 6 | Ooty, TamilNadu | 43 |
| 7 | Koppal, Karnataka | 43 |
| 8 | Kalaburagi, Karnataka | 47 |
| 9 | Chikkamagaluru, Karnataka | 47 |
| 10 | Dholpur, Rajasthan | 51 |
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