AQI in KOLLAM Today (Tuesday, February 11) - Air Quality in KOLLAM
As of Today, Kollam AQI level is 66 which is recorded as Moderate category. This level is 2 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.
Kollam WeatherTuesday Feb 11
Last 7 Days AQI
Updated: February 07, 2025| Dates | City, States | AQI |
|---|---|---|
| February 07, 2025 | Kollam, Kerala | 66 |
| February 02, 2025 | Kollam, Kerala | 68 |
| February 01, 2025 | Kollam, Kerala | 139 |
| January 31, 2025 | Kollam, Kerala | 229 |
| January 30, 2025 | Kollam, Kerala | 239 |
| January 29, 2025 | Kollam, Kerala | 198 |
| January 28, 2025 | Kollam, Kerala | 85 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Talcher, Odisha | 340 |
| 2 | Byrnihat, Assam | 331 |
| 3 | Kunjemura, Chhattisgarh | 310 |
| 4 | Bhiwadi, Rajasthan | 299 |
| 5 | Delhi, Delhi | 280 |
| 6 | Muzaffarpur, Bihar | 278 |
| 7 | Vapi, Gujarat | 260 |
| 8 | Ahmednagar, Maharashtra | 255 |
| 9 | Gurugram, Haryana | 248 |
| 10 | Hajipur, Bihar | 246 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Tirunelveli, TamilNadu | 29 |
| 2 | Chikkamagaluru, Karnataka | 35 |
| 3 | Maihar, Madhya Pradesh | 42 |
| 4 | Kanchipuram, TamilNadu | 44 |
| 5 | Damoh, Madhya Pradesh | 44 |
| 6 | Pudukottai, TamilNadu | 48 |
| 7 | Gadag, Karnataka | 49 |
| 8 | Chamarajanagar, Karnataka | 49 |
| 9 | Hubballi, Karnataka | 52 |
| 10 | Chittoor, Andhra Pradesh | 53 |
AQI In Indian Cities
Frequently Asked Questions
What is a good AQI level?
A good AQI level is between 0 and 50, indicating air quality that poses little or no risk to health.
What is the safe range of AQI?
The safe range of AQI is from 0 to 100, covering the categories of "Good" (0-50) and "Moderate" (51-100).
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).
How is AQI calculated?
AQI is calculated using pollutant concentration data, which is converted into an AQI value for each pollutant through specific formulae. The highest value among these is reported as the overall AQI for the location.
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