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Kolkata Air Quality Index Today

Date: 12th May 2026
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32
Good (0 - 50)
29°C
PM 2.5
19
PM 10
22
In Kolkata, the AQI value of 32 puts the city in the Good range, signifying excellent air quality. With PM2.5 and PM10 levels of 19 µg/m³ and 22 µg/m³ , and O3 at 18 ppb , the air is clean. CO at 216 ppb ensures minimal exposure to pollutants, and NO2 is at 9 ppb . Enjoy a healthy day outdoors with a comfortable temperature of 29°C.

Air Quality Levels

0-50

Good

51-100

Moderate

101-200

Poor

Updated: 12 May 2026, 09:00pm

AQI in Popular Cities

Clear skies or hazardous air? Get the latest AQI insights
Select City
New Delhi
37°C
80 AQI
Mumbai
31°C
39 AQI
Bangalore
30°C
47 AQI
Hyderabad
34°C
59 AQI
Chennai
30°C
13 AQI
Noida
36°C
77 AQI
Kolkata
29°C
32 AQI
Pune
33°C
46 AQI
Ahmedabad
38°C
72 AQI
Lucknow
35°C
188 AQI
Gurgaon
36°C
100 AQI
Chandigarh
31°C
152 AQI

Major AQI Pollutants

Particular Matter

PM2.5

19

µg/m³

Particular Matter

PM10

22

µg/m³

Carbon Monoxide

CO

216

ppb

Sulphar Dioxide

SO2

2

ppb

Nitrogen Dioxide

NO2

9

ppb

Ozone

O3

18

ppb

Weekly AQI Comparison in Kolkata

Last updated on: 12th May 2026
  • DaysIndexAQI Status
  • 5th May, Tue
    48Good
  • 6th May, Wed
    45Good
  • 7th May, Thu
    69Moderate
  • 8th May, Fri
    75Moderate
  • 9th May, Sat
    79Moderate
  • 10th May, Sun
    69Moderate
  • 11th May, Mon
    58Moderate

FAQ’s

  • 1. What is the AQI in Kolkata today?
    • The current AQI in Kolkata on Tuesday 12 May is 32, which falls in the (0 - 50) category due to elevated levels of PM2.5 and PM10.
  • 2. What was the air pollution index in Kolkata yesterday?
  • 3. When was the highest AQI recorded in Kolkata last week?
  • 4. When was the highest AQI recorded in Kolkata in the last 24 hours?

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