A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Prayagraj Today (Wednesday, January 14) - Air Quality in Prayagraj
As of Today, Prayagraj AQI level is 101 which is recorded as Poor category. This level is 28 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.
Prayagraj's AQI
Prayagraj WeatherWednesday Jan 14
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| January 14, 2026 | Prayagraj, Uttar Pradesh | 101 |
| January 13, 2026 | Prayagraj, Uttar Pradesh | 129 |
| January 12, 2026 | Prayagraj, Uttar Pradesh | 164 |
| January 11, 2026 | Prayagraj, Uttar Pradesh | 178 |
| January 10, 2026 | Prayagraj, Uttar Pradesh | 112 |
| January 09, 2026 | Prayagraj, Uttar Pradesh | 157 |
| January 08, 2026 | Prayagraj, Uttar Pradesh | 112 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Bhiwadi, Rajasthan | 384 |
| 2 | Greater Noida, Uttar Pradesh | 384 |
| 3 | Gurugram, Haryana | 378 |
| 4 | Dharuhera, Haryana | 371 |
| 5 | Noida, Uttar Pradesh | 367 |
| 6 | Delhi, Delhi | 360 |
| 7 | Ghaziabad, Uttar Pradesh | 358 |
| 8 | Manesar, Haryana | 348 |
| 9 | Baddi, Himachal Pradesh | 341 |
| 10 | Sri Ganganagar, Rajasthan | 324 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 9 |
| 2 | Gangtok, Sikkim | 25 |
| 3 | Madikeri, Karnataka | 32 |
| 4 | Ramanathapuram, TamilNadu | 37 |
| 5 | Chikkamagaluru, Karnataka | 40 |
| 6 | Thanjavur, TamilNadu | 42 |
| 7 | Vijayapura, Karnataka | 43 |
| 8 | Chamarajanagar, Karnataka | 43 |
| 9 | Mysuru, Karnataka | 44 |
| 10 | Davanagere, Karnataka | 47 |
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


















