AQI in CHITTOOR Today (Sunday, December 21) - Air Quality in CHITTOOR
As of Today, Chittoor AQI level is 166 which is recorded as Poor category. This level is 89 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.
Chittoor WeatherSunday Dec 21
Last 7 Days AQI
Updated: December 21, 2025| Dates | City, States | AQI |
|---|---|---|
| December 21, 2025 | Chittoor, Andhra Pradesh | 166 |
| December 20, 2025 | Chittoor, Andhra Pradesh | 77 |
| December 19, 2025 | Chittoor, Andhra Pradesh | 169 |
| December 18, 2025 | Chittoor, Andhra Pradesh | 83 |
| December 17, 2025 | Chittoor, Andhra Pradesh | 230 |
| December 16, 2025 | Chittoor, Andhra Pradesh | 91 |
| December 15, 2025 | Chittoor, Andhra Pradesh | 188 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Noida, Uttar Pradesh | 401 |
| 2 | Delhi, Delhi | 398 |
| 3 | Dharuhera, Haryana | 365 |
| 4 | Gurugram, Haryana | 362 |
| 5 | Ghaziabad, Uttar Pradesh | 361 |
| 6 | Panchkula, Haryana | 361 |
| 7 | Bahadurgarh, Haryana | 360 |
| 8 | Singrauli, Madhya Pradesh | 352 |
| 9 | Greater Noida, Uttar Pradesh | 344 |
| 10 | Bhiwadi, Rajasthan | 332 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Damoh, Madhya Pradesh | 27 |
| 2 | Aizawl, Mizoram | 38 |
| 3 | Chamarajanagar, Karnataka | 39 |
| 4 | Bhilai, Chhattisgarh | 50 |
| 5 | Madikeri, Karnataka | 52 |
| 6 | Kalaburagi, Karnataka | 52 |
| 7 | Chikkamagaluru, Karnataka | 54 |
| 8 | Belapur, Maharashtra | 54 |
| 9 | Koppal, Karnataka | 55 |
| 10 | Jalna, Maharashtra | 55 |
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