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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-07-01 12:39:58 PM (Local Time)

location image
Live AQI
66
Air Quality is
Moderate
pm10 :  37 µg/m³
PM2.5 :  17 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level in Kolkata


Map

Kolkata

Major Air Pollutants

Kolkata

AQI Graph

Historical Air Quality Data

Kolkata

Kolkata
AQI
.
30-06-2025Time01-07-2025
61
Min.at 8:09 AM on 1st Jul
72
Max.at 2:09 PM on 30th Jun

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
115AQI
-3%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
5%
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.(%)
Moderate
61
14
30
32
89
Moderate
59
13
36
31
86
Moderate
69
19
41
32
82
Moderate
67
18
40
31
88
Moderate
69
19
41
31
87
Moderate
71
20
36
34
85
Moderate
72
20
36
32
87
Moderate
63
16
34
33
88
Moderate
64
16
37
32
78
Moderate
67
18
37
32
82
Moderate
63
15
36
31
86
Moderate
70
19
41
31
88

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Kolkata

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth


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

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (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.

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 66 (Moderate) due to recent rainfall by 0.09mm/hr. This was last updated 2025-07-01 12:39:58 PM (Local Time).

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

The best AQI level was 61 (Moderate) at 8:09 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 72 (Moderate) at 2:09 PM, Jun 30, 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 72 at 2:09 PM, Jun 30, 2025 (Local Time), lowest 61 at 8:09 AM (Local Time).

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

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.