A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Bihar Sharif Today (Friday, January 09) - Air Quality in Bihar Sharif
As of Today, Bihar Sharif AQI level is 147 which is recorded as Poor category. This level is 48 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.
Bihar Sharif's AQI
Bihar-sharif WeatherFriday Jan 09
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 08, 2026 | Bihar Sharif, Bihar | 147 |
| January 07, 2026 | Bihar Sharif, Bihar | 99 |
| January 06, 2026 | Bihar Sharif, Bihar | 71 |
| January 05, 2026 | Bihar Sharif, Bihar | 54 |
| January 04, 2026 | Bihar Sharif, Bihar | 139 |
| January 03, 2026 | Bihar Sharif, Bihar | 214 |
| January 02, 2026 | Bihar Sharif, Bihar | 168 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Chikkaballapur, Karnataka | 309 |
| 2 | Singrauli, Madhya Pradesh | 297 |
| 3 | Ghaziabad, Uttar Pradesh | 296 |
| 4 | Noida, Uttar Pradesh | 294 |
| 5 | Gurugram, Haryana | 290 |
| 6 | Greater Noida, Uttar Pradesh | 290 |
| 7 | Delhi, Delhi | 280 |
| 8 | Gummidipoondi, TamilNadu | 279 |
| 9 | Baghpat, Uttar Pradesh | 262 |
| 10 | Charkhi Dadri, Haryana | 249 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Damoh, Madhya Pradesh | 21 |
| 2 | Gangtok, Sikkim | 28 |
| 3 | Kishanganj, Bihar | 39 |
| 4 | Vijayapura, Karnataka | 43 |
| 5 | Madikeri, Karnataka | 43 |
| 6 | Chamarajanagar, Karnataka | 49 |
| 7 | Kalaburagi, Karnataka | 50 |
| 8 | Vrindavan, Uttar Pradesh | 52 |
| 9 | Bagalkot, Karnataka | 53 |
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


















