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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-07-18 18:31 (Local Time)

Live AQI

75AQI (US)

Air Quality is

Moderate

PM2.5 : 23 µg/m³

pm10 : 49 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

30 °C

Last Updated: 2026-07-18 18:31 (Local Time)

Rank308^th

Currently, Kolkata ranks 308^th among the cities with the highest AQI levels in the world.

Map

Kolkata

Major Air Pollutants
Kolkata

Particulate Matter(PM₂.₅)

23µg/m³

Particulate Matter(PM₁₀)

49µg/m³

Carbon Monoxide(CO)

48ppb

Sulfur Dioxide(SO₂)

2ppb

Nitrogen Dioxide(NO₂)

25ppb

Ozone(O₃)

47ppb

AQI Graph

Historical Air Quality Data
Kolkata

24 Hours

AQI (US)

Kolkata

AQI (US)

17-07-2026Time18-07-2026

Time	Kolkata
6:31pm	114
7:01pm	110
7:31pm	103
8:01pm	95
8:31pm	91
9:01pm	88
9:31pm	84
10:01pm	85
10:31pm	85
11:01pm	84
11:31pm	83
12:01am	84
12:31am	85
1:01am	85
1:31am	84
2:01am	85
2:31am	86
3:01am	86
3:31am	89
4:01am	92
4:31am	96
5:01am	97
5:31am	102
6:01am	96
6:31am	98
7:01am	99
7:31am	95
8:01am	95
8:31am	100
9:01am	102
9:31am	106
10:01am	113
10:31am	113
11:01am	123
11:31am	119
12:01pm	130
12:31pm	108
1:01pm	93
1:31pm	88
2:01pm	91
2:31pm	82
3:01pm	77
3:31pm	65
4:01pm	69
4:31pm	65
5:01pm	61
5:31pm	74
6:01pm	73
6:31pm	75

Min. AQI (US)5:01pm

130

Max. AQI (US)12:01pm

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.(%)

Bagan Bari

Moderate

53.57

Ballygunge

Moderate

Banerjee Para

Moderate

48.34

Beniapukur

Moderate

45.54

Moderate

Moderate

Moderate

Moderate

Moderate

Moderate

50.35

Elgin

Moderate

Fort William

Moderate

Government Colony

Moderate

52.71

Harish Nagar

Moderate

48.83

Hastings

Moderate

Kaikhali

Moderate

50.96

Moderate

Moderate

Moderate

Moderate

Moderate

53.18

Madhyamgram

Moderate

Manicktala

Moderate

53.61

Paikpara First Row

Moderate

49.38

Paschim Putiary

Moderate

49.98

Samarpally

Moderate

51.33

South City Complex

Moderate

48.35

South Sinthee

Moderate

45.83

Sukchar

Moderate

55.21

Survey Park

Moderate

51.57

Survey Park Station 2

Moderate

51.17

Taltala

Moderate

Tangra

Moderate

Uttarmath

Moderate

49.09

India's Metro Cities
Air Quality Index

Ahmedabad

Bangalore

Chennai

Hyderabad

Kolkata

Mumbai

New Delhi

114

Pune

Air Quality Calendar 2026
Kolkata

2026

AQI (US)

Health Advice For People Living In
Kolkata

1.4Cigarettes per day

Weekly 9.8 Cigarettes

Monthly 42 Cigarettes

Breathing the air in this location is as harmful as smoking 1.4 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 PurifierTurn On

Car FilterMust

N95 MaskMust

Stay IndoorMust

Prevent Health Problems: Understand Your Risks

Kolkata

Asthma

Heart Issues

Allergies

Sinus

Cold/Flu

Chronic (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

Buxar, Bihar

Severe

12xabove Standard

Aurangabad, Bihar

Severe

12xabove Standard

Muzaffarnagar, Uttar Pradesh

Unhealthy

6xabove Standard

Bhiwani, Haryana

Unhealthy

6xabove Standard

Budaun, Uttar Pradesh

Unhealthy

5xabove Standard

Pali, Rajasthan

Unhealthy

5xabove Standard

Mathura, Uttar Pradesh

Unhealthy

5xabove Standard

Bhagalpur, Bihar

Unhealthy

5xabove Standard

Sirsa, Haryana

Unhealthy

5xabove Standard

10.

Anantapur, Andhra Pradesh

Unhealthy

4xabove Standard

Last Updated: 18 Jul 2026, 01:12 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

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

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.

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.

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.

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.

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.

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.

Air Quality Solutions for Fitness Center

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

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.

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 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.

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.

Air Quality Solutions For Hospitals

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

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.

Air Quality Solutions for Banks

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

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.

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 App

Smart TV App

Web Dashboard

API

Widgets

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). This was last updated 2026-07-18 18:31 (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 5:01 PM (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 130 (Poor) at 12:01 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 130 at 12:01 PM (Local Time), lowest 61 at 5:01 PM (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.