Sirifort air quality · Delhi, Delhi NCR
Air is hazardous, staying indoors is the safest option
US AQI 384 (Hazardous) at the CPCB monitor in Sirifort, Delhi, the 30th highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 407 (Severe). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 1736 at 6 am yesterday, best 207 at 1 pm yesterday (US AQI)
Pollutants at Sirifort
- PM2.5 · µg/m³26717.8× WHO limit
- PM10 · µg/m³3437.6× WHO limit
- NO₂ · µg/m³12.0Under WHO limit
- O₃ · µg/m³4.6
- SO₂ · µg/m³39.5Under WHO limit
- CO · mg/m³3.48
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Sirifort ranks in Delhi NCR
- 30thmost polluted of 81 Delhi NCR monitors right now
- 19thof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 178)
- 234average US AQI, last 30 days
- 325Delhi's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Sirifort ranked 19th of 68 and 13th of 45 in Delhi, with a mean daily NAQI (CPCB's index) of 178, against 162 in mid-September. Its daily NAQI was above 200 (Poor) on 5 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 Sirifort right now?
Health warning of emergency conditions: everyone is more likely to be affected.
Walking and commuting
AvoidStay indoors. Postpone non-essential trips.
Running and jogging
AvoidSkip strenuous exercise, even indoors if the air inside is not filtered.
Cycling
AvoidAvoid riding outdoors.
Children playing outside
AvoidKeep children indoors in a room with filtered air.
Older adults and heart or lung conditions
AvoidStay indoors with filtered air and seek care if symptoms appear.
Open windows
AvoidSeal gaps around doors and windows if you can.
Mask outdoors
EssentialN95 or FFP2 mask essential outdoors.
Air purifier indoors
EssentialRun a HEPA purifier on high in a closed room.
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 Sirifort
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 6 am to 9 am (average US AQI 558) and cleanest from 3 pm to 6 pm (273). Plan walks, runs and open windows for the cleaner hours.
Sirifort air quality, last 24 hours
Hourly US AQI, 15 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at 6 am yesterday (1736, Hazardous) and lowest at 1 pm yesterday (207, Very Unhealthy).
Sirifort air quality, last 30 days
Daily average, 28 days- 234average US AQI
- 409worst day, 7 November
- 125cleanest day, 11 October
- 22days above 150 (Unhealthy or worse)
Nearby monitors
All of DelhiThe most polluted areas of Delhi NCR, ranked →
Sirifort air quality: common questions
What is the AQI in Sirifort right now?
The US AQI at the CPCB monitor in Sirifort, Delhi is 384 (Hazardous), the 30th highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 207 (1 pm yesterday) to 1736 (6 am yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 407 (Severe).
What time is the air worst in Sirifort?
Over the last 7 days, from 6 am to 9 am India time, when the monitor averaged 558. The cleanest stretch was 3 pm to 6 pm, at 273.
Is Sirifort one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Sirifort ranked 19th of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (178), and 13th of 45 in Delhi. Right now it is 30th of 81. See the full ranking.
How has Sirifort's air been over the last 30 days?
The monitor averaged a US AQI of 234 over 28 days with data. The worst day was 7 November at 409 and the cleanest 11 October at 125. 22 days were above 150 (Unhealthy or worse).
Where does Sirifort'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.