Sanjay Nagar air quality · Ghaziabad, Delhi NCR
Severe pollution can affect lungs within minutes, not just hours
US AQI 322 (Hazardous) at the UPPCB monitor in Sanjay Nagar, Ghaziabad, the 42nd highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 389 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 686 at midnight yesterday, best 157 at 2 pm yesterday (US AQI)
Pollutants at Sanjay Nagar
- PM2.5 · µg/m³23615.7× WHO limit
- PM10 · µg/m³3116.9× WHO limit
- NO₂ · µg/m³29.7Under WHO limit
- O₃ · µg/m³16.6
- CO · mg/m³0.47
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Sanjay Nagar ranks in Delhi NCR
- 42ndmost polluted of 81 Delhi NCR monitors right now
- 33rdof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 164)
- 178average US AQI, last 30 days
- 258Ghaziabad's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Sanjay Nagar ranked 33rd of 68, with a mean daily NAQI (CPCB's index) of 164, against 134 in mid-September. Its daily NAQI was above 200 (Poor) on 6 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 Sanjay Nagar 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 Sanjay Nagar
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 299) and cleanest from 1 pm to 4 pm (171). Plan walks, runs and open windows for the cleaner hours.
Sanjay Nagar air quality, last 24 hours
Hourly US AQI, 21 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at midnight yesterday (686, Hazardous) and lowest at 2 pm yesterday (157, Unhealthy).
Sanjay Nagar air quality, last 30 days
Daily average, 28 days- 178average US AQI
- 307worst day, 8 November
- 83cleanest day, 29 October
- 20days above 150 (Unhealthy or worse)
Nearby monitors
All of GhaziabadThe most polluted areas of Delhi NCR, ranked →
Sanjay Nagar air quality: common questions
What is the AQI in Sanjay Nagar right now?
The US AQI at the UPPCB monitor in Sanjay Nagar, Ghaziabad is 322 (Hazardous), the 42nd highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 157 (2 pm yesterday) to 686 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 389 (Very Poor).
What time is the air worst in Sanjay Nagar?
Over the last 7 days, from 8 pm to 11 pm India time, when the monitor averaged 299. The cleanest stretch was 1 pm to 4 pm, at 171.
Is Sanjay Nagar one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Sanjay Nagar ranked 33rd of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (164). Right now it is 42nd of 81. See the full ranking.
How has Sanjay Nagar's air been over the last 30 days?
The monitor averaged a US AQI of 178 over 28 days with data. The worst day was 8 November at 307 and the cleanest 29 October at 83. 20 days were above 150 (Unhealthy or worse).
Where does Sanjay Nagar's air quality data come from?
From the continuous monitoring station run by the Uttar Pradesh Pollution Control Board (UPPCB) 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: Uttar Pradesh Pollution Control Board (UPPCB), 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.