A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
AQI in Noida Today (Monday, May 18) - Air Quality in Noida
As of Today, Noida AQI level is 175 which is recorded as Poor category. This level is 17 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.
Noida's AQI
Noida WeatherMonday May 18
Last 7 Days AQI
| Dates | City, States | AQI |
|---|---|---|
| May 18, 2026 | Noida, Uttar Pradesh | 175 |
| May 17, 2026 | Noida, Uttar Pradesh | 192 |
| May 16, 2026 | Noida, Uttar Pradesh | 195 |
| May 15, 2026 | Noida, Uttar Pradesh | 242 |
| May 14, 2026 | Noida, Uttar Pradesh | 160 |
| May 13, 2026 | Noida, Uttar Pradesh | 198 |
| May 12, 2026 | Noida, Uttar Pradesh | 149 |
Changes in AQI in Last 7 Days
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Singrauli, Madhya Pradesh | 278 |
| 2 | Charkhi Dadri, Haryana | 269 |
| 3 | Greater Noida, Uttar Pradesh | 260 |
| 4 | Bulandshahr, Uttar Pradesh | 259 |
| 5 | Meerut, Uttar Pradesh | 242 |
| 6 | Bhiwadi, Rajasthan | 232 |
| 7 | Ghaziabad, Uttar Pradesh | 205 |
| 8 | Hajipur, Bihar | 199 |
| 9 | Kaithal, Haryana | 186 |
| 10 | Baddi, Himachal Pradesh | 185 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Madikeri, Karnataka | 14 |
| 2 | Thiruvananthapuram, Kerala | 24 |
| 3 | Gadag, Karnataka | 27 |
| 4 | Barrackpore, West Bengal | 30 |
| 5 | Naharlagun, Arunachal Pradesh | 30 |
| 6 | Kohima, Nagaland | 32 |
| 7 | Raipur, Chhattisgarh | 34 |
| 8 | Kolkata, West Bengal | 36 |
| 9 | Rishikesh, Uttarakhand | 37 |
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




















