Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Calcutta
Air quality index (AQI) and PM2.5 air pollution in Calcutta
566 people follow this city
Calcutta Air Quality Map
Real-time Calcutta air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Calcutta today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Very high | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Calcutta?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 94% |
| Wind | 3.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 137 |
| 2 | San Bernardino, California | 86 |
| 3 | Yucaipa, California | 86 |
| 4 | La Crescenta-Montrose, California | 80 |
| 5 | Hammond, Indiana | 78 |
| 6 | Indio, California | 77 |
| 7 | Fontana, California | 76 |
| 8 | New Orleans, Louisiana | 75 |
| 9 | Claremont, California | 73 |
| 10 | Redlands, California | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
58*
live AQI index
Moderate
Overview
What is the current air quality in Calcutta?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.7*µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Calcutta is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Calcutta?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Calcutta air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 58 AQI US |  90% | 71.6° 57.2° |  4.5 mp/h |
| Saturday, May 18 | Moderate 64 AQI US |  | 77° 51.8° | 4.5 mp/h |
| Sunday, May 19 | Moderate 67 AQI US |  | 78.8° 55.4° | 2.2 mp/h |
| Monday, May 20 | Moderate 67 AQI US | | 80.6° 57.2° | 6.7 mp/h |
| Tuesday, May 21 | Moderate 78 AQI US | 90% | 78.8° 60.8° | 13.4 mp/h |
| Wednesday, May 22 | Moderate 72 AQI US | 100% | 64.4° 50° | 11.2 mp/h |
| Thursday, May 23 | Good 15 AQI US  | | 57.2° 41° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Calcutta?
No locations are available.
AQI US, Metric