AQI in KOLKATA (Monday, December 23) - Air Quality in KOLKATA
Current Kolkata AQI level is 101 which is recorded as Poor category. This level is 8 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. As pollution continues to be a growing challenge, understanding what this AQI means and how it impacts Kolkata residents is essential for making informed health choices. The air quality in Kolkata frequently worsens during winter due to temperature inversions, which trap pollutants close to the ground, posing health risks to residents.
Kolkata WeatherMonday Dec 23
Last 7 Days AQI
Updated: December 23, 2024| Dates | City, States | AQI |
|---|---|---|
| December 23, 2024 | Kolkata, West Bengal | 101 |
| December 22, 2024 | Kolkata, West Bengal | 109 |
| December 21, 2024 | Kolkata, West Bengal | 135 |
| December 20, 2024 | Kolkata, West Bengal | 176 |
| December 19, 2024 | Kolkata, West Bengal | 162 |
| December 18, 2024 | Kolkata, West Bengal | 198 |
| December 17, 2024 | Kolkata, West Bengal | 206 |
Most Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Rohtak, Haryana | 424 |
| 2 | Delhi, Delhi | 410 |
| 3 | Byrnihat, Assam | 357 |
| 4 | Charkhi Dadri, Haryana | 351 |
| 5 | Jaisalmer, Rajasthan | 344 |
| 6 | Noida, Uttar Pradesh | 322 |
| 7 | Ghaziabad, Uttar Pradesh | 318 |
| 8 | Hajipur, Bihar | 316 |
| 9 | Gurugram, Haryana | 316 |
| 10 | Singrauli, Madhya Pradesh | 310 |
Least Polluted City/States in India
| Rank | City, States | AQI |
|---|---|---|
| 1 | Madikeri, Karnataka | 15 |
| 2 | Aizawl, Mizoram | 24 |
| 3 | Sangli, Maharashtra | 27 |
| 4 | Tirunelveli, TamilNadu | 30 |
| 5 | Belgaum, Karnataka | 33 |
| 6 | Kolhapur, Maharashtra | 33 |
| 7 | Byasanagar, Odisha | 34 |
| 8 | Nagapattinam, TamilNadu | 34 |
| 9 | Thoothukudi, TamilNadu | 36 |
| 10 | Suakati, Odisha | 36 |
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