Sonia Vihar air quality · Delhi, Delhi NCR
Even healthy adults can feel symptoms quickly in air like this
US AQI 324 (Hazardous) at the DPCC monitor in Sonia Vihar, Delhi, the 41st highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 390 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 1085 at 1 am yesterday, best 163 at 3 pm yesterday (US AQI)
Pollutants at Sonia Vihar
- PM2.5 · µg/m³23715.8× WHO limit
- PM10 · µg/m³3066.8× WHO limit
- NO₂ · µg/m³2.1Under WHO limit
- O₃ · µg/m³8.7
- SO₂ · µg/m³1.9Under WHO limit
- CO · mg/m³3.90
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Sonia Vihar ranks in Delhi NCR
- 41stmost polluted of 81 Delhi NCR monitors right now
- 11thof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 185)
- 238average US AQI, last 30 days
- 325Delhi's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Sonia Vihar ranked 11th of 68 and 7th of 45 in Delhi, with a mean daily NAQI (CPCB's index) of 185, against 154 in mid-September. Its daily NAQI was above 200 (Poor) on 3 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 Sonia Vihar 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 Sonia Vihar
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 1 am to 4 am (average US AQI 537) and cleanest from 3 pm to 6 pm (250). Plan walks, runs and open windows for the cleaner hours.
Sonia Vihar 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 1 am yesterday (1085, Hazardous) and lowest at 3 pm yesterday (163, Unhealthy).
Sonia Vihar air quality, last 30 days
Daily average, 27 days- 238average US AQI
- 504worst day, 8 November
- 95cleanest day, 11 October
- 22days above 150 (Unhealthy or worse)
Nearby monitors
All of DelhiThe most polluted areas of Delhi NCR, ranked →
Sonia Vihar air quality: common questions
What is the AQI in Sonia Vihar right now?
The US AQI at the DPCC monitor in Sonia Vihar, Delhi is 324 (Hazardous), the 41st highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 163 (3 pm yesterday) to 1085 (1 am yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 390 (Very Poor).
What time is the air worst in Sonia Vihar?
Over the last 7 days, from 1 am to 4 am India time, when the monitor averaged 537. The cleanest stretch was 3 pm to 6 pm, at 250.
Is Sonia Vihar one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Sonia Vihar ranked 11th of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (185), and 7th of 45 in Delhi. Right now it is 41st of 81. See the full ranking.
How has Sonia Vihar's air been over the last 30 days?
The monitor averaged a US AQI of 238 over 27 days with data. The worst day was 8 November at 504 and the cleanest 11 October at 95. 22 days were above 150 (Unhealthy or worse).
Where does Sonia Vihar'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.