Live

Kolkata Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in West Bengal

Last Updated: 2025-10-23 11:04:54 AM (Local Time)

location image
Live AQI
144(AQI-US)
Air Quality is
Poor
pm10 :  102 µg/m³
PM2.5 :  58 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi poor level.webp in Kolkata
mist

32 °C

Mist
Humidity
Humidity52 %

Wind Speed
Wind Speed8 km/h

UV Index
UV Index8
Last Updated: 2025-10-23 11:04:54 AM (Local Time)


Map

Kolkata

Major Air Pollutants

Kolkata

AQI Graph

Historical Air Quality Data

Kolkata

Kolkata
AQI
.
22-10-2025Time23-10-2025
144
Min.at 11:04 AM on 23rd Oct
193
Max.at 10:04 PM on 22nd Oct

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Kolkata, West Bengal, India

Year
.
AQI


Annual AQI Trends

2020
94AQI
2021
123AQI
31%
Rise
2022
114AQI
-7%
Fall
2023
117AQI
3%
Rise
2024
118AQI
0.8%
Rise
2025
103AQI
-13%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
3%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 2020231AQI

Least PollutedJuly, 202249AQI

* This data analysis is from year 2020 - 2025

Kolkata's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Poor
147
54
118
32
52
Poor
124
45
102
32
52
Poor
132
48
70
32
52
Unhealthy
170
83
120
32
52
Poor
119
43
51
41.6
45
Unhealthy
158
65
113
32
52
Unhealthy
165
76
147
32
52
Unhealthy
160
68
139
32
52
Poor
129
47
104
32
52
Poor
142
52
65
31.2
45
Unhealthy
153
58
99
32
52
Poor
124
45
70
32
52
Poor
124
45
96
32
52
Unhealthy
168
80
131
32
52

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Kolkata

3.8Cigarettes per day

Cigarette
Weekly 26.5 Cigarettes
Monthly 114 Cigarettes

Breathing the air in this location is as harmful as smoking 3.8 cigarettes a day.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Kolkata

  • asthma due to air pollution in KolkataAsthma
  • heart due to air pollution in KolkataHeart Issues
  • allergy due to air pollution in KolkataAllergies
  • sinus due to air pollution in KolkataSinus
  • flu due to air pollution in KolkataCold/Flu
  • copd due to air pollution in KolkataChronic (COPD)
asthma due to air pollution in Kolkata

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild when AQI is Poor (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

  • Limit outdoor activities when AQI is poor.

  • Clean indoor air with an air purifier to reduce exposure.

  • Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

  • Exercise outdoors without a mask.

  • Stay in smoky areas with strong fumes.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

India

Analyze the real-time most air polluted cities in the country.

Kolkata's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Kolkata
Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

Connect and control your air quality devices.


Air Quality FAQs

at Kolkata

Frequently Asked Questions About Air Quality

What is the current AQI level in Kolkata?

The current real-time AQI level in Kolkata is 144 (Poor). This was last updated 2025-10-23 11:04:54 AM (Local Time).

When was the best AQI level in Kolkata in the last 24 hours?

The best AQI level was 144 (Poor) at 11:04 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Kolkata in the last 24 hours?

The worst AQI level was 193 (Unhealthy) at 10:04 PM, Oct 22, 2025 (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Kolkata during last 24 hours?

The AQI levels in Kolkata have been fluctuating throughout the last 24 hours. The levels have increased by highest 193 at 10:04 PM, Oct 22, 2025 (Local Time), lowest 144 at 11:04 AM (Local Time).

What actions are recommended as per the current AQI level in Kolkata?

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.