Sector 11 air quality · Faridabad, Delhi NCR
Even half an hour outdoors in this air can inflame the airways
US AQI 263 (Very Unhealthy) at the HSPCB monitor in Sector 11, Faridabad, the 56th highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 353 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 670 at midnight yesterday, best 222 at 5 pm yesterday (US AQI)
Pollutants at Sector 11
- PM2.5 · µg/m³18812.5× WHO limit
- PM10 · µg/m³3126.9× WHO limit
- NO₂ · µg/m³26.1Under WHO limit
- O₃ · µg/m³5.1
- SO₂ · µg/m³5.0Under WHO limit
- CO · mg/m³1.83
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Sector 11 ranks in Delhi NCR
- 56thmost polluted of 81 Delhi NCR monitors right now
- 66thof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 105)
- 142average US AQI, last 30 days
- 283Faridabad's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Sector 11 ranked 66th of 68, with a mean daily NAQI (CPCB's index) of 105, against 140 in mid-September. Its daily NAQI was above 200 (Poor) on 0 of the 14 days. See the full ranking.
Most polluted right now: Sector 110 932 · Sector 39 824 · Teri Gram 677 · North Campus, DU 665 · Chandni Chowk 664.
Is it safe outside in Sector 11 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 Sector 11
Last 6 days, India timeOver the last 6 days, the air at this monitor was worst from 1 am to 4 am (average US AQI 382) and cleanest from 2 pm to 5 pm (229). Plan walks, runs and open windows for the cleaner hours.
Sector 11 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 (670, Hazardous) and lowest at 5 pm yesterday (222, Very Unhealthy).
Sector 11 air quality, last 30 days
Daily average, 25 days- 142average US AQI
- 406worst day, 8 November
- 85cleanest day, 31 October
- 6days above 150 (Unhealthy or worse)
Nearby monitors
All of FaridabadThe most polluted areas of Delhi NCR, ranked →
Sector 11 air quality: common questions
What is the AQI in Sector 11 right now?
The US AQI at the HSPCB monitor in Sector 11, Faridabad is 263 (Very Unhealthy), the 56th highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 222 (5 pm yesterday) to 670 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 353 (Very Poor).
What time is the air worst in Sector 11?
Over the last 6 days, from 1 am to 4 am India time, when the monitor averaged 382. The cleanest stretch was 2 pm to 5 pm, at 229.
Is Sector 11 one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Sector 11 ranked 66th of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (105). Right now it is 56th of 81. See the full ranking.
How has Sector 11's air been over the last 30 days?
The monitor averaged a US AQI of 142 over 25 days with data. The worst day was 8 November at 406 and the cleanest 31 October at 85. 6 days were above 150 (Unhealthy or worse).
Where does Sector 11's air quality data come from?
From the continuous monitoring station run by the Haryana State Pollution Control Board (HSPCB) 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: Haryana State Pollution Control Board (HSPCB), 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.