Railway Colony air quality · Guwahati, Assam
Hospital visits for heart and lung problems rise in air like this
US AQI 275 (Very Unhealthy) at the PCBA monitor in Railway Colony, Guwahati, the 1st highest of 4 Guwahati monitors reporting. India's official NAQI (CPCB) 362 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 275 at midnight yesterday, best 92 at 2 pm yesterday (US AQI)
Pollutants at Railway Colony
- PM2.5 · µg/m³20013.3× WHO limit
- O₃ · µg/m³14.1
- SO₂ · µg/m³35.3Under WHO limit
- CO · mg/m³1.29
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Railway Colony ranks in Guwahati
- 1stmost polluted of 4 Guwahati monitors right now
- 139average US AQI, last 30 days
- 192Guwahati's city figure now
Most polluted right now: Railway Colony 275 · IITG 217 · LGBI Airport 186 · Pan Bazaar 53.
Is it safe outside in Railway Colony right now?
Health alert: the risk of health effects is increased for everyone.
Walking and commuting
LimitOnly essential trips. Wear a well-fitted N95 or FFP2 mask outdoors.
Running and jogging
AvoidRun indoors only, with windows closed.
Cycling
AvoidAvoid riding outdoors.
Children playing outside
AvoidKeep children indoors. Cancel outdoor sports and assemblies.
Older adults and heart or lung conditions
AvoidStay indoors with filtered air.
Open windows
AvoidKeep windows and doors closed.
Mask outdoors
EssentialN95 or FFP2 mask strongly advised for any time outdoors.
Air purifier indoors
EssentialRun a HEPA purifier on high with windows closed.
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 Railway Colony
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 6 pm to 9 pm (average US AQI 226) and cleanest from 1 pm to 4 pm (103). Plan walks, runs and open windows for the cleaner hours.
Railway Colony air quality, last 24 hours
Hourly US AQI, 22 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at midnight yesterday (275, Very Unhealthy) and lowest at 2 pm yesterday (92, Moderate).
Railway Colony air quality, last 30 days
Daily average, 28 days- 139average US AQI
- 175worst day, 8 November
- 111cleanest day, 11 October
- 5days above 150 (Unhealthy or worse)
Nearby monitors
All of GuwahatiRailway Colony air quality: common questions
What is the AQI in Railway Colony right now?
The US AQI at the PCBA monitor in Railway Colony, Guwahati is 275 (Very Unhealthy), the 1st highest of 4 Guwahati monitors reporting. Over the last 24 hours it ranged from 92 (2 pm yesterday) to 275 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 362 (Very Poor).
What time is the air worst in Railway Colony?
Over the last 7 days, from 6 pm to 9 pm India time, when the monitor averaged 226. The cleanest stretch was 1 pm to 4 pm, at 103.
How has Railway Colony's air been over the last 30 days?
The monitor averaged a US AQI of 139 over 28 days with data. The worst day was 8 November at 175 and the cleanest 11 October at 111. 5 days were above 150 (Unhealthy or worse).
Where does Railway Colony's air quality data come from?
From the continuous monitoring station run by the Pollution Control Board, Assam (PCBA) 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: Pollution Control Board, Assam (PCBA), 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.