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Kolkata Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-03-15 16:41:01 (Local Time)

location image
Live AQI
107AQI (US)
Air Quality is
Poor
PM2.5 :  38 µg/m³
pm10 :  47 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi poor level.webp in Kolkata
mist

29 °C

Mist
Humidity
Humidity66 %

Wind Speed
Wind Speed32.8 km/h

UV Index
UV Index0.4
Last Updated: 2026-03-15 16:41:01 (Local Time)
Rank238th

Currently, Kolkata ranks 238th among the most polluted cities globally.

Map

Kolkata

Major Air Pollutants

Kolkata

AQI Graph

Historical Air Quality Data

Kolkata

Kolkata
AQI (US)
.
14-03-2026Time15-03-2026
93
Min.at 3:31 AM
140
Max.at 5:31 PM, Mar 14, 2026

Download 2024 Annual Data

World Air Quality Report

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AQI (US) Trends - Annual Air Quality Changes

Kolkata, West Bengal, India

Kolkata's Locations

Real-time Air Pollution Level

Location
Status
AQI (US)
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Poor
102
36
43
29
66
Moderate
90
31
47
29
66
Poor
105
37
45
29
66
Moderate
97
34
41
29
66
Poor
104
37
48
29
66
Moderate
99
35
42
29
66
Moderate
99
35
45
29
66
Poor
104
37
52
29
66
Poor
101
36
40
29
66
Poor
115
41
52
29
66
Moderate
97
34
47
29
66
Moderate
97
34
44
29
66
Poor
110
39
48
29
66
Poor
117
42
53
29
66
Poor
119
43
52
29
66
Moderate
99
35
51
29
66
Moderate
97
34
50
29
66
Poor
119
43
50
29
66
Moderate
94
32
38
29
66
Moderate
99
35
42
29
66
Moderate
97
34
45
29
66
Moderate
97
34
41
29
66
Poor
124
45
48
29
66
Poor
110
39
48
29
66
Moderate
92
31
37
29
66
Moderate
99
35
42
29
66
Poor
122
44
55
29
66
Poor
119
43
53
29
66
Poor
115
41
49
29
66
Poor
122
44
52
29
66
Moderate
97
34
40
29
66
Poor
102
36
44
29
66
Poor
124
45
56
29
66
Poor
129
47
58
29
66
Poor
105
37
45
29
66
Moderate
92
31
37
29
66
Poor
115
41
50
29
66
Moderate
97
34
44
29
66
Poor
104
37
41
29
66
Moderate
96
33
40
29
66

India's Metro Cities

Air Quality Index

Health Advice For People Living In

Kolkata

1.8Cigarettes per day

Cigarette
Weekly 12.6 Cigarettes
Monthly 54 Cigarettes

Breathing the air in this location is as harmful as smoking 1.8 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


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

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)
asthma due to air pollution in Kolkata

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild 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.

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.

Kolkata's AQI Data Analytics Solutions

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aqi air quality app for Kolkata
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Your area’s real-time data with detailed parameters.

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Air Quality FAQs

at Kolkata

Frequently Asked Questions About Air Quality

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

The current real-time AQI (US) level in Kolkata is 107 (Poor). This was last updated 2026-03-15 16:41:01 (Local Time).

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

The best AQI (US) level was 93 (Moderate) at 3:31 AM (Local Time) during the last 24 hours.

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

The worst AQI (US) level was 140 (Poor) at 5:31 PM, Mar 14, 2026 (Local Time) during the last 24 hours.

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 140 at 5:31 PM, Mar 14, 2026 (Local Time), lowest 93 at 3:31 AM (Local Time).

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

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