AQI in GREATER NOIDA Today (Wednesday, January 21) - Air Quality in GREATER NOIDA
As of Today, Greater Noida AQI level is 372 which is recorded as Severe category. This level is 3 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.
Last 7 Days AQI
Updated: January 21, 2026| Dates | City, States | AQI |
|---|---|---|
| January 21, 2026 | Greater Noida, Uttar Pradesh | 372 |
| January 20, 2026 | Greater Noida, Uttar Pradesh | 375 |
| January 19, 2026 | Greater Noida, Uttar Pradesh | 402 |
| January 18, 2026 | Greater Noida, Uttar Pradesh | 332 |
| January 17, 2026 | Greater Noida, Uttar Pradesh | 358 |
| January 16, 2026 | Greater Noida, Uttar Pradesh | 342 |
| January 15, 2026 | Greater Noida, Uttar Pradesh | 357 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Gurugram, Haryana | 394 |
| 2 | Ghaziabad, Uttar Pradesh | 393 |
| 3 | Noida, Uttar Pradesh | 382 |
| 4 | Delhi, Delhi | 378 |
| 5 | Dharuhera, Haryana | 373 |
| 6 | Greater Noida, Uttar Pradesh | 372 |
| 7 | Narnaul, Haryana | 354 |
| 8 | Bhiwadi, Rajasthan | 342 |
| 9 | Charkhi Dadri, Haryana | 339 |
| 10 | Manesar, Haryana | 328 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Shillong, Meghalaya | 32 |
| 2 | Madikeri, Karnataka | 34 |
| 3 | Bagalkot, Karnataka | 46 |
| 4 | Shivamogga, Karnataka | 48 |
| 5 | Kolhapur, Maharashtra | 48 |
| 6 | Chikkamagaluru, Karnataka | 48 |
| 7 | Kalaburagi, Karnataka | 51 |
| 8 | Chamarajanagar, Karnataka | 52 |
| 9 | Silchar, Assam | 54 |
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