Fort William air quality · Kolkata, West Bengal
Even healthy adults may notice throat irritation and mild coughing
US AQI 177 (Unhealthy) at the WBPCB monitor in Fort William, Kolkata, the 6th highest of 7 Kolkata monitors reporting. India's official NAQI (CPCB) 207 (Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 361 at midnight yesterday, best 96 at 3 pm yesterday (US AQI)
Pollutants at Fort William
- PM2.5 · µg/m³92.76.2× WHO limit
- PM10 · µg/m³1904.2× WHO limit
- NO₂ · µg/m³30.3Under WHO limit
- O₃ · µg/m³14.2
- SO₂ · µg/m³13.2Under WHO limit
- CO · mg/m³0.90
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Fort William ranks in Kolkata
- 6thmost polluted of 7 Kolkata monitors right now
- 132average US AQI, last 30 days
- 206Kolkata's city figure now
Most polluted right now: Bidhannagar 328 · Rabindra Bharati University 252 · Jadavpur 204 · Rabindra Sarobar 187 · Ballygunge 187.
Is it safe outside in Fort William right now?
Some members of the general public may feel health effects; sensitive groups may feel more serious effects.
Walking and commuting
Take careKeep outdoor walks short and choose quieter streets away from traffic.
Running and jogging
AvoidMove your run indoors or reschedule for a cleaner hour.
Cycling
LimitKeep rides short and easy, or ride indoors.
Children playing outside
LimitLimit outdoor play to short, gentle sessions. Move sports indoors.
Older adults and heart or lung conditions
AvoidAvoid exertion outdoors. Follow your doctor's action plan.
Open windows
AvoidKeep windows closed while the air is unhealthy.
Mask outdoors
RecommendedWear a well-fitted N95 or FFP2 mask outdoors. Cloth and surgical masks do little against fine particles.
Air purifier indoors
RecommendedRun a HEPA purifier in the room you spend most time in.
Based on the US EPA Air Quality Guide, applied to the current US AQI category. If you have symptoms, follow your doctor's advice.
When the air is worst in Fort William
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 10 pm to 1 am (average US AQI 196) and cleanest from 2 pm to 5 pm (142). Plan walks, runs and open windows for the cleaner hours.
Fort William air quality, last 24 hours
Hourly US AQI, 23 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at midnight yesterday (361, Hazardous) and lowest at 3 pm yesterday (96, Moderate).
Fort William air quality, last 30 days
Daily average, 28 days- 132average US AQI
- 184worst day, 8 November
- 71cleanest day, 30 October
- 7days above 150 (Unhealthy or worse)
Nearby monitors
All of KolkataKolkata and Howrah's worst monitors this winter →
Fort William air quality: common questions
What is the AQI in Fort William right now?
The US AQI at the WBPCB monitor in Fort William, Kolkata is 177 (Unhealthy), the 6th highest of 7 Kolkata monitors reporting. Over the last 24 hours it ranged from 96 (3 pm yesterday) to 361 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 207 (Poor).
What time is the air worst in Fort William?
Over the last 7 days, from 10 pm to 1 am India time, when the monitor averaged 196. The cleanest stretch was 2 pm to 5 pm, at 142.
How has Fort William's air been over the last 30 days?
The monitor averaged a US AQI of 132 over 28 days with data. The worst day was 8 November at 184 and the cleanest 30 October at 71. 7 days were above 150 (Unhealthy or worse).
Where does Fort William's air quality data come from?
From the continuous monitoring station run by the West Bengal Pollution Control Board (WBPCB) in CPCB's national network. Good Air shows the US EPA AQI worked out from those readings, and CPCB's own National Air Quality Index (NAQI) beside it. Good Air does not estimate or adjust the readings.
Source: West Bengal Pollution Control Board (WBPCB), via CPCB's national monitoring network. One monitor shows the air around it, which can differ from a few streets away. Readings are published by the monitoring agency and may be revised.