BTM Layout air quality · Bengaluru, Karnataka
This air is unhealthy for everyone, even if symptoms are not obvious
US AQI 158 (Unhealthy) at the CPCB monitor in BTM Layout, Bengaluru, the 7th highest of 9 Bengaluru monitors reporting. India's official NAQI (CPCB) 140 (Moderate). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 161 at 8 pm yesterday, best 106 at noon yesterday (US AQI)
Pollutants at BTM Layout
- PM2.5 · µg/m³65.94.4× WHO limit
- PM10 · µg/m³1603.6× WHO limit
- NO₂ · µg/m³21.9Under WHO limit
- O₃ · µg/m³36.5
- SO₂ · µg/m³21.7Under WHO limit
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where BTM Layout ranks in Bengaluru
- 7thmost polluted of 9 Bengaluru monitors right now
- 77average US AQI, last 30 days
- 175Bengaluru's city figure now
Most polluted right now: Hombegowda Nagar 217 · Hebbal 210 · RVCE-Mailasandra 181 · Silk Board 180 · Bapuji Nagar 164.
Is it safe outside in BTM Layout 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 BTM Layout
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 8 pm to 11 pm (average US AQI 98) and cleanest from noon to 3 pm (75). Plan walks, runs and open windows for the cleaner hours.
BTM Layout 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 8 pm yesterday (161, Unhealthy) and lowest at noon yesterday (106, Unhealthy for Sensitive Groups).
BTM Layout air quality, last 30 days
Daily average, 27 days- 77average US AQI
- 116worst day, 8 November
- 63cleanest day, 23 October
- 0days above 150 (Unhealthy or worse)
Nearby monitors
All of BengaluruBTM Layout air quality: common questions
What is the AQI in BTM Layout right now?
The US AQI at the CPCB monitor in BTM Layout, Bengaluru is 158 (Unhealthy), the 7th highest of 9 Bengaluru monitors reporting. Over the last 24 hours it ranged from 106 (noon yesterday) to 161 (8 pm yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 140 (Moderate).
What time is the air worst in BTM Layout?
Over the last 7 days, from 8 pm to 11 pm India time, when the monitor averaged 98. The cleanest stretch was noon to 3 pm, at 75.
How has BTM Layout's air been over the last 30 days?
The monitor averaged a US AQI of 77 over 27 days with data. The worst day was 8 November at 116 and the cleanest 23 October at 63. 0 days were above 150 (Unhealthy or worse).
Where does BTM Layout's air quality data come from?
From the continuous monitoring station run by the Central Pollution Control Board (CPCB) 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: Central Pollution Control Board (CPCB), 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.