Najafgarh air quality · Delhi, Delhi NCR
Fine particles at this level reach deep into the lungs and blood
US AQI 268 (Very Unhealthy) at the DPCC monitor in Najafgarh, Delhi, the 53rd highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 356 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 1694 at midnight yesterday, best 160 at 3 pm yesterday (US AQI)
Pollutants at Najafgarh
- PM2.5 · µg/m³19312.9× WHO limit
- PM10 · µg/m³2796.2× WHO limit
- NO₂ · µg/m³25.6Under WHO limit
- O₃ · µg/m³10.5
- CO · mg/m³1.44
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Najafgarh ranks in Delhi NCR
- 53rdmost polluted of 81 Delhi NCR monitors right now
- 37thof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 162)
- 210average US AQI, last 30 days
- 325Delhi's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Najafgarh ranked 37th of 68 and 23rd of 45 in Delhi, with a mean daily NAQI (CPCB's index) of 162, against 95 in mid-September. Its daily NAQI was above 200 (Poor) on 2 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 Najafgarh 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 Najafgarh
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 7 am to 10 am (average US AQI 509) and cleanest from 3 pm to 6 pm (241). Plan walks, runs and open windows for the cleaner hours.
Najafgarh air quality, last 24 hours
Hourly US AQI, 14 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at midnight yesterday (1694, Hazardous) and lowest at 3 pm yesterday (160, Unhealthy).
Najafgarh air quality, last 30 days
Daily average, 27 days- 210average US AQI
- 430worst day, 8 November
- 103cleanest day, 30 October
- 22days above 150 (Unhealthy or worse)
Nearby monitors
All of DelhiThe most polluted areas of Delhi NCR, ranked →
Najafgarh air quality: common questions
What is the AQI in Najafgarh right now?
The US AQI at the DPCC monitor in Najafgarh, Delhi is 268 (Very Unhealthy), the 53rd highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 160 (3 pm yesterday) to 1694 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 356 (Very Poor).
What time is the air worst in Najafgarh?
Over the last 7 days, from 7 am to 10 am India time, when the monitor averaged 509. The cleanest stretch was 3 pm to 6 pm, at 241.
Is Najafgarh one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Najafgarh ranked 37th of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (162), and 23rd of 45 in Delhi. Right now it is 53rd of 81. See the full ranking.
How has Najafgarh's air been over the last 30 days?
The monitor averaged a US AQI of 210 over 27 days with data. The worst day was 8 November at 430 and the cleanest 30 October at 103. 22 days were above 150 (Unhealthy or worse).
Where does Najafgarh's air quality data come from?
From the continuous monitoring station run by the Delhi Pollution Control Committee (DPCC) 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: Delhi Pollution Control Committee (DPCC), 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.