Loni air quality · Ghaziabad, Delhi NCR
This air is unhealthy for everyone, even if symptoms are not obvious
US AQI 192 (Unhealthy) at the UPPCB monitor in Loni, Ghaziabad, the 77th highest of 81 Delhi NCR monitors reporting. India's official NAQI (CPCB) 280 (Poor). Main pollutant: PM2.5.
Updated
Last 24 hours: worst 318 at midnight yesterday, best 160 at 2 pm yesterday (US AQI)
Pollutants at Loni
- PM2.5 · µg/m³1147.6× WHO limit
- PM10 · µg/m³1904.2× WHO limit
- NO₂ · µg/m³45.01.8× WHO limit
- O₃ · µg/m³14.0
- SO₂ · µg/m³2.8Under WHO limit
This hour's readings at this monitor. WHO multiples use the 2021 24-hour guidelines.
Where Loni ranks in Delhi NCR
- 77thmost polluted of 81 Delhi NCR monitors right now
- 1stof 68 NCR monitors, 6 to 19 October 2026 (average NAQI 232)
- 205average US AQI, last 30 days
- 258Ghaziabad's city figure now
In our study of every Delhi NCR monitor from 6 to 19 October 2026, Loni ranked 1st of 68, with a mean daily NAQI (CPCB's index) of 232, against 157 in mid-September. Its daily NAQI was above 200 (Poor) on 10 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 Loni right now?
Some members of the general public may feel health effects; sensitive groups may feel more serious effects.
Walking and commuting
Take careKeep outdoor walks short and choose quieter streets away from traffic.
Running and jogging
AvoidMove your run indoors or reschedule for a cleaner hour.
Cycling
LimitKeep rides short and easy, or ride indoors.
Children playing outside
LimitLimit outdoor play to short, gentle sessions. Move sports indoors.
Older adults and heart or lung conditions
AvoidAvoid exertion outdoors. Follow your doctor's action plan.
Open windows
AvoidKeep windows closed while the air is unhealthy.
Mask outdoors
RecommendedWear a well-fitted N95 or FFP2 mask outdoors. Cloth and surgical masks do little against fine particles.
Air purifier indoors
RecommendedRun a HEPA purifier in the room you spend most time in.
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 Loni
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 309) and cleanest from 11 am to 2 pm (179). Plan walks, runs and open windows for the cleaner hours.
Loni 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 midnight yesterday (318, Hazardous) and lowest at 2 pm yesterday (160, Unhealthy).
Loni air quality, last 30 days
Daily average, 27 days- 205average US AQI
- 307worst day, 8 November
- 117cleanest day, 29 October
- 21days above 150 (Unhealthy or worse)
Nearby monitors
All of GhaziabadThe most polluted areas of Delhi NCR, ranked →
Loni air quality: common questions
What is the AQI in Loni right now?
The US AQI at the UPPCB monitor in Loni, Ghaziabad is 192 (Unhealthy), the 77th highest of 81 Delhi NCR monitors reporting. Over the last 24 hours it ranged from 160 (2 pm yesterday) to 318 (midnight yesterday). The main pollutant is PM2.5. The same air reads India's official NAQI (CPCB) 280 (Poor).
What time is the air worst in Loni?
Over the last 7 days, from 10 pm to 1 am India time, when the monitor averaged 309. The cleanest stretch was 11 am to 2 pm, at 179.
Is Loni one of the most polluted areas in Delhi NCR?
From 6 to 19 October 2026, Loni ranked 1st of 68 Delhi NCR monitors by mean daily NAQI, CPCB's index (232). Right now it is 77th of 81. See the full ranking.
How has Loni's air been over the last 30 days?
The monitor averaged a US AQI of 205 over 27 days with data. The worst day was 8 November at 307 and the cleanest 29 October at 117. 21 days were above 150 (Unhealthy or worse).
Where does Loni'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.