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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-09-25 18:21 (Local Time)

location image
Live AQI
75AQI (US)
Air Quality is
Moderate
PM2.5 :  23 µg/m³
pm10 :  28 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Kolkata
light rain shower

26 °C

Rain Shower
Humidity
Humidity90 %
Wind Speed
Wind Speed24.1 km/h
UV Index
UV Index0
Last Updated: 2026-09-25 18:21 (Local Time)
Rank338th

Currently, Kolkata ranks 338th among the cities with the highest AQI levels in the world.

Map

Kolkata

Major Air Pollutants

Kolkata

PM₂.₅'s Icon

Particulate Matter(PM₂.₅)

23µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

28µg/m³

CO's Icon

Carbon Monoxide(CO)

129ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

19ppb

O₃'s Icon

Ozone(O₃)

36ppb

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AQI Graph

Historical Air Quality Data

Kolkata

24 Hours
AQI (US)
Kolkata
AQI (US)
.
24-09-2026Time25-09-2026
43
Min. AQI (US)12:31am
117
Max. AQI (US)1:31pm

Want air quality data?

AQI (US) Trends - Annual Air Quality Changes

Kolkata, West Bengal, India

AQI (US)

Kolkata's Locations

Real-time Air Pollution Level

locations
Status
AQI (US)
PM₂.₅(µg/m³)
PM₁₀(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
77
23
25
26
91
Moderate
71
22
31
27
88
Poor
119
43
53
27
88
Moderate
69
21
28
26
91
Moderate
71
22
29
26
91
Moderate
75
24
33
26
90
Moderate
80
26
30
27
88
Moderate
62
15
17
26
91
Moderate
75
24
34
27
88
Moderate
67
20
30
27
88
Moderate
86
28
36
26
91
Moderate
75
22
27
26
91
Moderate
75
24
34
27
88
Moderate
69
19
23
26
91
Moderate
75
24
26
27
88
Moderate
82
27
29
26
90
Good
39
7
8
26
91
Moderate
67
20
30
27
88
Moderate
73
23
29
26
91
Moderate
68
18
20
27
88
Poor
111
40
45
26
91
Moderate
94
32
39
27
88
Moderate
75
22
25
26
91
Moderate
75
22
26
26
91
Moderate
66
17
19
26
91
Moderate
79
24
28
26
91
Moderate
73
21
24
26
91
Moderate
68
18
21
26
91
Moderate
73
21
24
26
90
Moderate
73
21
24
26
91
Moderate
68
18
21
27
88
Moderate
69
21
30
27
88
Moderate
69
21
29
27
88
Moderate
66
17
21
26
91

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

106

temp.30°C
hum.53%
Bangalore City AQI

Bangalore

75

temp.24°C
hum.66%
Chennai City AQI

Chennai

88

temp.31°C
hum.66%
Hyderabad City AQI

Hyderabad

130

temp.29°C
hum.63%
Kolkata City AQI

Kolkata

75

temp.27°C
hum.88%
Mumbai City AQI

Mumbai

92

temp.28°C
hum.78%
New Delhi City AQI

New Delhi

87

temp.32°C
hum.44%
Pune City AQI

Pune

102

temp.21°C
hum.88%

Air Quality Calendar 2026

Kolkata

2026
AQI (US)
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

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

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 (US)

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

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)
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 2026

India

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

Most Polluted Cities Live Ranking 2026
World's Most PollutedCity Rankings (2025)
World's Most PollutedCountry Rankings(2025)
RankCityAQI Status

Standard Value

Follow

1.

Amritsar, Punjab

176

Unhealthy

6xabove Standard

2.

Pali, Rajasthan

176

Unhealthy

7xabove Standard

3.

Coimbatore, Tamil Nadu

175

Unhealthy

5xabove Standard

4.

Udaipur, Rajasthan

165

Unhealthy

6xabove Standard

5.

Faridkot, Punjab

164

Unhealthy

5xabove Standard

6.

Imphal, Manipur

163

Unhealthy

5xabove Standard

7.

Jammu, Jammu And Kashmir

163

Unhealthy

5xabove Standard

8.

Jalandhar, Punjab

163

Unhealthy

5xabove Standard

9.

Sri Ganganagar, Rajasthan

162

Unhealthy

5xabove Standard

10.

Aurangabad, Maharashtra

159

Unhealthy

5xabove Standard

Last Updated: 25 Sept 2026, 12:56 PM

AQI City Rankings

Air Quality Solutions For Kolkata

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

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Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

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Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Prana Air offers the solutions of air quality monitoring and clean air machine for Kolkata

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Kolkata's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets

Air Quality FAQs

at Kolkata

Frequently Asked Questions About Air Quality

1. What is the current AQI (US) level in Kolkata?

The current real-time AQI (US) level in Kolkata is 75 (Moderate) due to recent rainfall by 0.78mm/hr. This was last updated 2026-09-25 18:21 (Local Time).

2. When was the best AQI (US) level in Kolkata in the last 24 hours?

The best AQI (US) level was 43 (Good) at 12:31 AM (Local Time) during the last 24 hours.

3. When was the worst AQI (US) level in Kolkata in the last 24 hours?

The worst AQI (US) level was 117 (Poor) at 1:31 PM (Local Time) during the last 24 hours.

4. What is the current trend of AQI (US) levels in Kolkata during last 24 hours?

The AQI (US) levels in Kolkata have been fluctuating throughout the last 24 hours. The levels have increased by highest 117 at 1:31 PM (Local Time), lowest 43 at 12:31 AM (Local Time).

5. What actions are recommended as per the current AQI (US) level in Kolkata?

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

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Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

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