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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-19 15:41 (Local Time)

location image
Live AQI
95AQI (US)
Air Quality is
Moderate
PM2.5 :  33 µg/m³
pm10 :  40 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Kolkata
mist

29 °C

Mist
Humidity
Humidity89 %
Wind Speed
Wind Speed23 km/h
UV Index
UV Index1.8
Last Updated: 2026-07-19 15:41 (Local Time)
Rank159th

Currently, Kolkata ranks 159th 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)

33µg/m³

PM₁₀'s Icon

Particulate Matter(PM₁₀)

40µg/m³

CO's Icon

Carbon Monoxide(CO)

78ppb

SO₂'s Icon

Sulfur Dioxide(SO₂)

2ppb

NO₂'s Icon

Nitrogen Dioxide(NO₂)

18ppb

O₃'s Icon

Ozone(O₃)

43ppb

AQI Graph

Historical Air Quality Data

Kolkata

24 Hours
AQI (US)
Kolkata
AQI (US)
.
18-07-2026Time19-07-2026
61
Min. AQI (US)5:01pm
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
92
31
41.86
30
89
Moderate
90
31
41
29
89
Moderate
92
31
38.92
30
89
Moderate
97
34
35.52
30
89
Moderate
86
29
40
29
89
Poor
107
38
46
30
89
Poor
104
37
46
29
89
Moderate
97
34
37
29
89
Poor
104
37
41
29
89
Moderate
99
35
38.62
29
89
Poor
106
38
49
29
89
Poor
104
37
42
29
89
Poor
107
38
42.82
30
89
Moderate
90
30
38.28
30
89
Poor
106
38
44
29
89
Moderate
99
35
39.25
29
89
Moderate
93
32
33
29
89
Moderate
90
31
36
29
89
Moderate
92
31
40.49
30
84
Moderate
93
32
38
29
89
Moderate
95
33
41
29
89
Moderate
90
30
42.73
30
89
Moderate
99
35
37
29
89
Moderate
99
35
42.6
29
89
Poor
112
40
38.15
30
84
Moderate
88
29
40.2
29
89
Moderate
71
20
39.73
30
89
Moderate
92
31
38.29
30
89
Poor
112
40
34.66
30
89
Poor
122
44
44.05
30
84
Moderate
86
28
40.74
30
89
Moderate
94
32
40.47
30
89
Poor
106
38
41
29
89
Moderate
90
31
34
29
89
Moderate
84
27
37.5
30
89

India's Metro Cities

Air Quality Index

Ahmedabad City AQI

Ahmedabad

81

temp.31°C
hum.59%
Bangalore City AQI

Bangalore

61

temp.29°C
hum.58%
Chennai City AQI

Chennai

94

temp.32°C
hum.80%
Hyderabad City AQI

Hyderabad

59

temp.31°C
hum.55%
Kolkata City AQI

Kolkata

95

temp.29°C
hum.89%
Mumbai City AQI

Mumbai

54

temp.28°C
hum.84%
New Delhi City AQI

New Delhi

109

temp.36°C
hum.47%
Pune City AQI

Pune

47

temp.26°C
hum.72%

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

1.3Cigarettes per day

Cigarette
Weekly 9.1 Cigarettes
Monthly 39 Cigarettes

Breathing the air in this location is as harmful as smoking 1.3 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.

Muzaffarnagar, Uttar Pradesh

172

Unhealthy

6xabove Standard

2.

Bhiwani, Haryana

170

Unhealthy

6xabove Standard

3.

Pali, Rajasthan

168

Unhealthy

6xabove Standard

4.

Tiruppur, Tamil Nadu

163

Unhealthy

7xabove Standard

5.

Anantapur, Andhra Pradesh

162

Unhealthy

5xabove Standard

6.

Saharanpur, Uttar Pradesh

159

Unhealthy

5xabove Standard

7.

Durgapur, West Bengal

159

Unhealthy

5xabove Standard

8.

Panchkula, Haryana

158

Unhealthy

5xabove Standard

9.

Mathura, Uttar Pradesh

158

Unhealthy

5xabove Standard

10.

Meerut, Uttar Pradesh

157

Unhealthy

5xabove Standard

Last Updated: 19 Jul 2026, 10:19 AM

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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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.

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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.

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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

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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.

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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 95 (Moderate) due to recent rainfall by 1.3mm/hr. This was last updated 2026-07-19 15:41 (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 5:01 PM, Jul 18, 2026 (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 61 at 5:01 PM, Jul 18, 2026 (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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