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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-03-23 01:25:02 AM

Live AQI

122

Air Quality is

Poor

pm10 : 90 µg/m³

PM2.5 : 44 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

23 °C

Last Updated: 2025-03-23 01:25:02 AM

Map

Kolkata

Major Air Pollutants
Kolkata

Particulate Matter(PM2.5)

44µg/m³

Particulate Matter(PM10)

90µg/m³

Carbon Monoxide(CO)

458ppb

Sulfur Dioxide(SO2)

4ppb

Nitrogen Dioxide(NO2)

11ppb

Ozone(O3)

17ppb

AQI Graph

Historical Air Quality Data
Kolkata

24 Hours

AQI

Kolkata

Want air quality data?

AQI Trends - Annual Air Quality Changes
Kolkata, West Bengal, India

AQI

Year

AQI

Annual AQI Trends

2020

92AQI

2021

120AQI

30%

Rise

2022

113AQI

-6%

Fall

2023

118AQI

Rise

2024

118AQI

No Change

2025

151AQI

28%

Rise

Overall Annual Percentage (%) change of AQI in (2020 to 2025)

11%

Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedDecember, 2020235AQI

Least PollutedAugust, 202047AQI

* 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.(%)

Ballygunge

Poor

122

Chetla

Poor

121

Dhakuria

Poor

120

Fort William

Poor

121

Jadavpur

Poor

138

103

Kolkata US Consulate

Poor

121

Kulia

Poor

121

Rabindra Sarobar

Poor

119

Tangra

Poor

121

Victoria

Poor

121

India's Metro Cities
Air Quality Index

Ahmedabad

113

Bangalore

Chennai

Hyderabad

Kolkata

122

Mumbai

New Delhi

152

temp.21°C

hum.64%

Pune

141

temp.24°C

hum.36%

Air Quality Calendar 2025
Kolkata

2025

AQI

March

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
23 Feb 134	24 Feb 143	25 Feb 152	26 Feb 151	27 Feb 163	28 Feb 157	1 Mar 133
2 Mar 140	3 Mar 137	4 Mar 129	5 Mar 140	6 Mar 124	7 Mar 148	8 Mar 140
9 Mar 136	10 Mar 136	11 Mar 122	12 Mar 132	13 Mar 120	14 Mar 117	15 Mar 106
16 Mar 99	17 Mar 107	18 Mar 110	19 Mar 137	20 Mar 105	21 Mar 125	22 Mar -
23 Mar -	24 Mar -	25 Mar -	26 Mar -	27 Mar -	28 Mar -	29 Mar -
30 Mar -	31 Mar -	1 Apr -	2 Apr -	3 Apr -	4 Apr -	5 Apr -

February

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
26 Jan 156	27 Jan 167	28 Jan 171	29 Jan 159	30 Jan 146	31 Jan 143	1 Feb 140
2 Feb 156	3 Feb 159	4 Feb 155	5 Feb 167	6 Feb 153	7 Feb 148	8 Feb 153
9 Feb 158	10 Feb 161	11 Feb 148	12 Feb 145	13 Feb 147	14 Feb 151	15 Feb 155
16 Feb 145	17 Feb 127	18 Feb 130	19 Feb 133	20 Feb 123	21 Feb 136	22 Feb 129
23 Feb 134	24 Feb 143	25 Feb 152	26 Feb 151	27 Feb 163	28 Feb 157	1 Mar 133

January

Sun.	Mon.	Tue.	Wed.	Thu.	Fri.	Sat.
29 Dec -	30 Dec -	31 Dec -	1 Jan 182	2 Jan 166	3 Jan 182	4 Jan 179
5 Jan 177	6 Jan 170	7 Jan 174	8 Jan 154	9 Jan 161	10 Jan 178	11 Jan 185
12 Jan 189	13 Jan 190	14 Jan 181	15 Jan 170	16 Jan 169	17 Jan 167	18 Jan 168
19 Jan 160	20 Jan 165	21 Jan 170	22 Jan 179	23 Jan 179	24 Jan 176	25 Jan 177
26 Jan 156	27 Jan 167	28 Jan 171	29 Jan 159	30 Jan 146	31 Jan 143	1 Feb 140

Health Advice For People Living In
Kolkata

1.3Cigarettes per day

Weekly 9.1 Cigarettes

Monthly 39.0 Cigarettes

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

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Kolkata

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

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

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Chinchwad, India

Kolhapur, India

Junnar, India

Jalgaon, India

Panchgani, India

Gwalior, India

Khed, India

Trichur, India

Alleppey, India

10.

Jalpaiguri, India

Unhealthy

10xabove Standard

Last Updated: 2025-03-23 01:39:53 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

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

air quality solutions for offices 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 institutes 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.

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.

air quality solutions for airport 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.

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 bathroom 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.

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

Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store

Get it onGoogle Play

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

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 122 (Poor) due to recent rainfall by 0.02mm/hr. This was last updated 2025-03-23 01:25:02 AM.

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

The best AQI level was 74 (Moderate) at 6:09 PM during the last 24 hours.

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

The worst AQI level was 122 (Poor) at 1:09 AM, Mar 23, 2025 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 122 at 1:09 AM, Mar 23, 2025, lowest 74 at 6:09 PM.

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

Current AQI levels are unhealthy for Sensitive individuals, they should reduce prolonged or heavy outdoor exertion.