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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-08-14 03:31 (Local Time)

location image
Live AQI
71AQI (US)
Air Quality is
Moderate
PM2.5 :  21 µg/m³
pm10 :  36 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Kolkata
patchy rain possible

27 °C

Patchy rain nearby
Humidity
Humidity89 %
Wind Speed
Wind Speed11.5 km/h
UV Index
UV Index0
Last Updated: 2026-08-14 03:31 (Local Time)
Rank322nd

Currently, Kolkata ranks 322nd 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)

21µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

36µg/m³

CO's Icon

Carbon Monoxide(CO)

39ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

36ppb

O₃'s Icon

Ozone(O₃)

31ppb

AQI Graph

Historical Air Quality Data

Kolkata

24 Hours
AQI (US)
Kolkata
AQI (US)
.
13-08-2026Time14-08-2026
61
Min. AQI (US)5:31am
105
Max. AQI (US)11:01am

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
64
16
35.74
27
89
Moderate
69
21
32
27
89
Moderate
75
22
35.73
27
89
Moderate
68
18
37.43
27
89
Moderate
58
16
34
27
90
Moderate
80
26
40
27
88
Moderate
67
20
31
27
89
Moderate
75
24
39
27
89
Moderate
64
16
33.87
27
90
Moderate
90
31
43
27
89
Moderate
82
27
37
27
88
Poor
102
36
39.42
27
89
Moderate
73
21
34.9
27
91
Moderate
97
34
42
27
89
Moderate
64
16
33.6
27
91
Moderate
65
19
35
27
90
Moderate
69
21
38
27
90
Moderate
55
11
36.28
27
89
Moderate
60
17
32
27
89
Moderate
73
23
36
27
89
Moderate
64
16
40.3
27
89
Moderate
65
19
36
27
91
Moderate
64
16
36.88
27
89
Moderate
69
19
36.38
27
89
Good
44
8
35.12
27
90
Moderate
75
22
33.71
27
89
Moderate
73
21
34.61
27
90
Good
50
9
36.27
27
89
Moderate
67
20
35
27
89
Moderate
60
17
35
27
89
Moderate
60
14
32.92
27
90

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

72

temp.27°C
hum.81%
Bangalore City AQI

Bangalore

71

temp.20°C
hum.88%
Chennai City AQI

Chennai

86

temp.30°C
hum.66%
Hyderabad City AQI

Hyderabad

50

temp.24°C
hum.74%
Kolkata City AQI

Kolkata

71

temp.27°C
hum.88%
Mumbai City AQI

Mumbai

52

temp.28°C
hum.78%
New Delhi City AQI

New Delhi

137

temp.32°C
hum.59%
Pune City AQI

Pune

49

temp.22°C
hum.87%

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

1.2Cigarettes per day

Cigarette
Weekly 8.4 Cigarettes
Monthly 36 Cigarettes

Breathing the air in this location is as harmful as smoking 1.2 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 (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.

Sonipat, Haryana

177

Unhealthy

6xabove Standard

2.

Meerut, Uttar Pradesh

177

Unhealthy

6xabove Standard

3.

Greater Noida, Uttar Pradesh

177

Unhealthy

6xabove Standard

4.

Hapur, Uttar Pradesh

168

Unhealthy

6xabove Standard

5.

Muzaffarnagar, Uttar Pradesh

167

Unhealthy

6xabove Standard

6.

Ludhiana, Punjab

161

Unhealthy

5xabove Standard

7.

Pali, Rajasthan

160

Unhealthy

5xabove Standard

8.

Ghaziabad, Uttar Pradesh

160

Unhealthy

5xabove Standard

9.

Saharanpur, Uttar Pradesh

160

Unhealthy

5xabove Standard

10.

Amritsar, Punjab

160

Unhealthy

5xabove Standard

Last Updated: 13 Aug 2026, 10:13 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

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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.

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Air Quality Solutions for Schools | Institutes

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

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

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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.

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Air Quality Solutions for Retail Stores

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

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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.

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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 71 (Moderate) due to recent rainfall by 0.01mm/hr. This was last updated 2026-08-14 03:31 (Local Time).

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

The best AQI (US) level was 61 (Moderate) at 5:31 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 105 (Poor) at 11:01 AM (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 105 at 11:01 AM (Local Time), lowest 61 at 5:31 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

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