Knowledge Park-III air quality · Greater Noida, Delhi NCR
Visibility drops sharply when the air gets this thick
US AQI 242 (Very Unhealthy) at the UPPCB monitor in Knowledge Park-III, Greater Noida, the 64th highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 336 (Very Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 569 at midnight yesterday, best 134 at noon yesterday (US AQI)
Pollutants at Knowledge Park-III
- PM2.5 · µg/m³16711.1× WHO limit
- PM10 · µg/m³2144.8× WHO limit
- NO₂ · µg/m³27.2Under WHO limit
- O₃ · µg/m³22.9
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Knowledge Park-III ranks in Delhi NCR
- 64thmost polluted of 81 Delhi NCR monitors right now
- 18thof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 180)
- 172average US AQI, last 30 days
- 216Greater Noida's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Knowledge Park-III ranked 18th of 68, with a mean daily NAQI (CPCB's index) of 180, against 156 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 Knowledge Park-III 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 Knowledge Park-III
Last 7 days, India timeOver the last 7 days, the air at this monitor was worst from 10 pm to 1 am (average US AQI 275) and cleanest from 2 pm to 5 pm (160). Plan walks, runs and open windows for the cleaner hours.
Knowledge Park-III air quality, last 24 hours
Hourly US AQI, 12 of 24 hours, India timeIn the last 24 hours the US AQI at this monitor was highest at midnight yesterday (569, Hazardous) and lowest at noon yesterday (134, Unhealthy for Sensitive Groups).
Knowledge Park-III air quality, last 30 days
Daily average, 28 days- 172average US AQI
- 292worst day, 22 October
- 77cleanest day, 30 October
- 18days above 150 (Unhealthy or worse)
Nearby monitors
All of Greater NoidaThe most polluted areas of Delhi NCR, ranked →
Knowledge Park-III air quality: common questions
What is the AQI in Knowledge Park-III right now?
The US AQI at the UPPCB monitor in Knowledge Park-III, Greater Noida is 242 (Very Unhealthy), the 64th highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 134 (noon yesterday) to 569 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 336 (Very Poor).
What time is the air worst in Knowledge Park-III?
Over the last 7 days, from 10 pm to 1 am India time, when the monitor averaged 275. The cleanest stretch was 2 pm to 5 pm, at 160.
Is Knowledge Park-III one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Knowledge Park-III ranked 18th of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (180). Right now it is 64th of 81. See the full ranking.
How has Knowledge Park-III's air been over the last 30 days?
The monitor averaged a US AQI of 172 over 28 days with data. The worst day was 22 October at 292 and the cleanest 30 October at 77. 18 days were above 150 (Unhealthy or worse).
Where does Knowledge Park-III'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.