Calcutta Air Quality Index & Realtime Air Pollution
Current Conditions
Humidity: 89%
Primary Air Pollutants Calcutta (West Bengal)
| Pollutant | Concentration | Details |
|---|---|---|
| PM2.5 | 11 µg/m³ | Fine particles |
| PM10 | 12 µg/m³ | Coarse particles |
| SO₂ | 9 µg/m³ | Sulphur dioxide |
| CO | 355 µg/m³ | Carbon monoxide |
| NO₂ | 6 µg/m³ | Nitrogen dioxide |
| O₃ | 96 µg/m³ | Ozone |
Hourly forecast Calcutta (West Bengal)
| Time | Temp | Condition |
|---|---|---|
| Now | 28°C |  Moderate drizzle |
| 11:00 | 29°C | Moderate drizzle |
| 12:00 | 30°C | Moderate drizzle |
| 13:00 | 28°C |  Thunderstorm |
| 14:00 | 28°C | Thunderstorm |
| 15:00 | 28°C |  Slight rain showers |
| 16:00 | 27°C |  Dense drizzle |
| 17:00 | 26°C | Slight rain showers |
| 18:00 | 26°C |  Thunderstorm |
| 19:00 | 26°C | Thunderstorm |
| 20:00 | 27°C | Thunderstorm |
| 21:00 | 27°C | Thunderstorm |
| 22:00 | 26°C |  Slight rain showers |
| 23:00 | 26°C |  Light drizzle |
| 00:00 | 26°C | Light drizzle |
| 01:00 | 25°C |  Moderate drizzle |
| 02:00 | 25°C | Moderate drizzle |
| 03:00 | 25°C | Moderate drizzle |
| 04:00 | 25°C | Light drizzle |
| 05:00 | 26°C |  Light drizzle |
| 06:00 | 26°C | Moderate drizzle |
| 07:00 | 27°C | Moderate drizzle |
| 08:00 | 28°C | Moderate drizzle |
| 09:00 | 29°C | Light drizzle |
Health Recommendations
Based on current air quality: Moderate · AQI 68
- Air PurifierTurn On
- Car FilterMust
- N95 MaskMust
- Stay IndoorMust
Air quality is generally fine, though a small number of unusually sensitive people may notice mild effects. If you fall into a sensitive group, keep an eye on how you feel and go easy on strenuous outdoor activity.
0.5 per day
Equates to breathing local air
3.5 cigarettes
15 cigarettes
Prevent Health Problems
Risk is Mild for Moderate conditions (AQI 68).
Typical signs can include: Tight, band-like pressure across the forehead and temples, Extra sensitivity to light, noise, or strong smells, Sluggishness and trouble staying focused.
- Choose indoors with clean indoor air whenever pollution levels climb.
- Stay hydrated through the day and take short breaks from devices or harsh light if migraines hit you easily.
- Keep close any prescribed headache or migraine relief within reach.
- Try not to power through demanding outdoor exercise while the AQI is worse.
- Don’t brush off pain that feels sharper or different from your usual.
Historical AQI Data Calcutta (West Bengal)
Air Quality FAQs at Calcutta, West Bengal
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Calcutta, West Bengal is 68 (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.
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