AQI

Calcutta Air Quality Index & Realtime Air Pollution

Live AQI
65(AQI-US)
Air Quality is
Moderate
PM2.5 :18.9µg/m³
PM10 :25µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants Calcutta (West Bengal)

PM2.519µg/m³
PM2.5
Fine particles
PM1025µg/m³
PM10
Coarse particles
SO₂6µg/m³
SO₂
Sulphur dioxide
CO197µg/m³
CO
Carbon monoxide
NO₂7µg/m³
NO₂
Nitrogen dioxide
O₃64µg/m³
O₃
Ozone

Hourly forecast Calcutta (West Bengal)

Now28°
Thunderstorm
00:0028°
Overcast
01:0028°
Thunderstorm
02:0027°
Thunderstorm
03:0027°
Moderate drizzle
04:0027°
Moderate drizzle
05:0027°
Light drizzle
06:0027°
Overcast
07:0028°
Overcast
08:0029°
Overcast
09:0030°
Overcast
10:0030°
Thunderstorm
11:0028°
Thunderstorm
12:0028°
Thunderstorm
13:0028°
Thunderstorm
14:0029°
Thunderstorm
15:0029°
Light drizzle
16:0029°
Light drizzle
17:0029°
Light drizzle
18:0029°
Overcast
19:0029°
Overcast
20:0029°
Overcast
21:0029°
Overcast
22:0028°
Light drizzle

Health Recommendations for Calcutta Residents

Based on current air quality: Moderate · AQI 65

Moderate
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust

UV Index

0

Low

Safe to be outside. Minimal UV risk.

Wind

15.2 km/h

Moderate wind — noticeable and steady.

AQI Graph

Historical AQI Data Calcutta (West Bengal)

65
Min. AQIat 10:00 PM on 8th Jul
77
Max. AQIat 2:00 PM on 8th Jul
07-07-2026Time08-07-2026

India’s Major Cities AQI Overview


Most Polluted Cities by AQI India

319
Hazardous17x above Standard
166
Unhealthy17x above Standard
163
Unhealthy16x above Standard
162
Unhealthy15x above Standard
162
Unhealthy15x above Standard
161
Unhealthy15x above Standard
161
Unhealthy15x above Standard
161
Unhealthy15x above Standard
160
Unhealthy15x above Standard
159
Unhealthy14x above Standard
Last Updated: 07 Jul 2026, 20:11

Health Advice For People Living in Calcutta

0.9
Cigarettes
per day
Weekly6.3 Cigarettes
Monthly27 Cigarettes

Breathing the air in this location is equivalent to smoking 0.9 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Calcutta 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

Calcutta · Current air quality: Moderate · AQI 65

Mild Trigger Risk

Headaches

Risk of Headaches symptoms is Mild when AQI of Calcutta is Moderate (51-100).

Common signs

Typical signs can include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don’ts :
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Air Quality FAQs at Calcutta, West Bengal

The current real-time AQI (US) level in Calcutta, West Bengal is 65 (Moderate). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Calcutta, West Bengal have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are moderate for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.