Siwan WeatherBihar
Wednesday, 21 OctoberSharad · autumn
Showing the last available update.
Air quality
196AQIModerate
0100200300400500
Dominant pollutant: O₃
Model estimate · CAMS, approx. 45 km
Updated 21 Oct, 9:34 pm IST
Calculated using CPCB breakpoints from modelled concentrations. This is not a CPCB station reading.
Pollutant breakdown
PM2.578.3 µg/m³AQI 161
PM1093.6 µg/m³AQI 94
NO₂35.8 µg/m³AQI 45
SO₂19.2 µg/m³AQI 24
CO0.7 mg/m³AQI 36
O₃165.3 µg/m³AQI 196
For local air-quality advice, consult CPCB’s official station readings.
Official CPCB readingsUpdated 21 Oct, 9:34 pm IST · Open-Meteo
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Will it rain?
The model gives a 0% chance of rain, with 0 mm expected.
How often is this updated?
Weather is usually refreshed every 30 minutes. During provider limits, the last available update is shown with its timestamp.
Is this an official air-quality reading?
No. This is a model estimate calculated on the Indian CPCB scale. Local monitoring stations can report different values.