A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Samastipur Today (Thursday, March 26) - Air Quality in Samastipur
As of Today, Samastipur AQI level is 159 which is recorded as Poor category. This level is 53 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.
Samastipur's AQI
Samastipur WeatherThursday Mar 26
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| March 24, 2026 | Samastipur, Bihar | 159 |
| March 21, 2026 | Samastipur, Bihar | 106 |
| March 20, 2026 | Samastipur, Bihar | 161 |
| March 19, 2026 | Samastipur, Bihar | 144 |
| March 18, 2026 | Samastipur, Bihar | 98 |
| March 17, 2026 | Samastipur, Bihar | 112 |
| March 16, 2026 | Samastipur, Bihar | 123 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Ballabgarh, Haryana | 236 |
| 2 | Charkhi Dadri, Haryana | 222 |
| 3 | Singrauli, Madhya Pradesh | 220 |
| 4 | Barbil, Odisha | 216 |
| 5 | Rupnagar, Punjab | 209 |
| 6 | Delhi, Delhi | 183 |
| 7 | Bulandshahr, Uttar Pradesh | 183 |
| 8 | Gurugram, Haryana | 182 |
| 9 | Faridabad, Haryana | 180 |
| 10 | Ghaziabad, Uttar Pradesh | 180 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Kohima, Nagaland | 32 |
| 2 | Koppal, Karnataka | 32 |
| 3 | Rajamahendravaram, Andhra Pradesh | 38 |
| 4 | Thoothukudi, TamilNadu | 38 |
| 5 | Madikeri, Karnataka | 40 |
| 6 | Sivasagar, Assam | 41 |
| 7 | Chamarajanagar, Karnataka | 41 |
| 8 | Puducherry, Puducherry | 41 |
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





















