A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Hisar Today (Tuesday, December 23) - Air Quality in Hisar
As of Today, Hisar AQI level is 121 which is recorded as Poor category. This level is 15 point(s) lower 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.
Hisar's AQI
Hisar WeatherTuesday Dec 23
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| December 20, 2025 | Hisar, Haryana | 121 |
| December 18, 2025 | Hisar, Haryana | 136 |
| December 17, 2025 | Hisar, Haryana | 174 |
| December 14, 2025 | Hisar, Haryana | 153 |
| December 13, 2025 | Hisar, Haryana | 177 |
| December 12, 2025 | Hisar, Haryana | 135 |
| December 11, 2025 | Hisar, Haryana | 109 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Delhi, Delhi | 373 |
| 2 | Noida, Uttar Pradesh | 366 |
| 3 | Ghaziabad, Uttar Pradesh | 360 |
| 4 | Bahadurgarh, Haryana | 352 |
| 5 | Singrauli, Madhya Pradesh | 347 |
| 6 | Greater Noida, Uttar Pradesh | 332 |
| 7 | Balasore, Odisha | 332 |
| 8 | Gurugram, Haryana | 331 |
| 9 | Rohtak, Haryana | 327 |
| 10 | Angul, Odisha | 321 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Damoh, Madhya Pradesh | 34 |
| 2 | Aizawl, Mizoram | 38 |
| 3 | Chamarajanagar, Karnataka | 45 |
| 4 | Shillong, Meghalaya | 47 |
| 5 | Kalaburagi, Karnataka | 52 |
| 6 | Bhilai, Chhattisgarh | 53 |
| 7 | Jhansi, Uttar Pradesh | 55 |
| 8 | Sivasagar, Assam | 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


















