Siwan air quality · India
No monitor has reported here in the last few hours
Updated · CPCB
Pollutants in Siwan
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Siwan air quality history
Daily average, 28 days- 77average daily NAQI over 28 days
- 108worst day, 13 October
- 61cleanest day, 22 September
- 0days at Poor or worse
The last 7 days averaged 98, worse than the week before (76). None of the last 28 days was Good.
Nearby cities
India rankingRelated reading
Siwan air quality: common questions
How has air quality in Siwan been recently?
Over the last 28 days with data, Siwan averaged NAQI 77. The worst day was 13 October at 108; the cleanest was 22 September at 61. 0 days were at Poor or worse.
Where does Siwan's air quality data come from?
From State & Central Pollution Control Board, Government of India · Center for Study of Science, Technology and Policy (CSTEP) · Aurassure's University Clean Air Network. Good Air does not estimate or adjust these readings.
Source: State & Central Pollution Control Board, Government of India · Center for Study of Science, Technology and Policy (CSTEP) · Aurassure's University Clean Air Network. Readings are published by the monitoring agency and may be revised.