Siwan Air Quality Index & Realtime Air Pollution
Current Conditions
Humidity: 73%
Primary Air Pollutants Siwan (Bihar)
| Pollutant | Concentration | Details |
|---|---|---|
| PM2.5 | 42 µg/m³ | Fine particles |
| PM10 | 42 µg/m³ | Coarse particles |
| SO₂ | 15 µg/m³ | Sulphur dioxide |
| CO | 467 µg/m³ | Carbon monoxide |
| NO₂ | 11 µg/m³ | Nitrogen dioxide |
| O₃ | 148 µg/m³ | Ozone |
Hourly forecast Siwan (Bihar)
| Time | Temp | Condition |
|---|---|---|
| Now | 32°C |  Clear sky |
| 09:00 | 33°C | Clear sky |
| 10:00 | 34°C | Clear sky |
| 11:00 | 35°C |  Light drizzle |
| 12:00 | 35°C | Light drizzle |
| 13:00 | 35°C | Clear sky |
| 14:00 | 35°C | Clear sky |
| 15:00 | 35°C | Clear sky |
| 16:00 | 35°C |  Thunderstorm |
| 17:00 | 34°C |  Overcast |
| 18:00 | 32°C | Overcast |
| 19:00 | 31°C |  Partly cloudy |
| 20:00 | 30°C |  Light drizzle |
| 21:00 | 30°C |  Overcast |
| 22:00 | 29°C | Overcast |
| 23:00 | 29°C | Overcast |
| 00:00 | 29°C | Overcast |
| 01:00 | 29°C | Overcast |
| 02:00 | 28°C |  Thunderstorm |
| 03:00 | 28°C | Light drizzle |
| 04:00 | 28°C | Light drizzle |
| 05:00 | 28°C | Light drizzle |
| 06:00 | 28°C | Overcast |
| 07:00 | 28°C | Overcast |
Health Recommendations
Based on current air quality: Poor · AQI 144
- Air PurifierTurn On
- Car FilterMust
- N95 MaskMust
- Stay IndoorMust
Sensitive groups — children, older adults, and anyone with heart or lung conditions — may start to feel the effects. Most people will not notice much right away, but it is worth paying attention to how your body responds.
1.9 per day
Equates to breathing local air
13.3 cigarettes
57 cigarettes
Prevent Health Problems
Risk is Elevated for Poor conditions (AQI 144).
You may observe: Tight, band-like pressure across the forehead and temples, Extra sensitivity to light, noise, or strong smells, Sluggishness and trouble staying focused.
- Choose indoors with clean indoor air whenever pollution levels climb.
- Stay hydrated through the day and take short breaks from devices or harsh light if migraines hit you easily.
- Keep close any prescribed headache or migraine relief within reach.
- Try not to power through demanding outdoor exercise while the AQI is worse.
- Don’t brush off pain that feels sharper or different from your usual.
Historical AQI Data Siwan (Bihar)
Siwan's Nearby Cities
Air Quality FAQs at Siwan, Bihar
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Siwan, Bihar is 144 (Poor). This was last updated recently.
The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.
The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.
The AQI (US) levels in Siwan, Bihar have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.
Current AQI (US) levels are poor for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.
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