Air Quality in Siwān, India

Drizzle
35.4°C · 47.1% humidity
35.4°
Feels 40.2°
131
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
227 9pm
227
212
131 12am
154
170
182 3am
191
197
201 6am
204
206
208 9am
209
210
211 12pm
211
211
211 3pm
212
212
212 6pm
227
212
Station readings 22h ago
AQI 150
PM2.5 55.4 µg/m³ · 22h ago
AD 728×90

Air Quality Index Trend

39h · 2 stn

Siwān's air quality is affected by vehicle emissions, industrial activity, and seasonal crop burning. Air quality typically worsens from November to February due to temperature inversions trapping pollutants near the surface. Current PM2.5 concentration in Siwān is 3.2× the WHO 24-hour guideline of 15 µg/m³.

47.1%
Humidity
64.8 km/h
Wind SE
993.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
131
47.45 µg/m³
PM10
113
179.9 µg/m³
050100150200300500

What is the weather forecast for Siwān?

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations
PM2.547.45 µg/m³ ×3.2 WHO
Unhealthy for sensitive groups
PM10179.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
47.45
Median
47.45
Average
44.8
Low
50.1
High
PM2.5 µg/m³ · Model: 53.7 · Bias: +6.2

What is the 7-day forecast for Siwān?

06-08
42.2° 34.3°
13.5 mm
06-09
39.2° 29.6°
06-10
41.9° 29.1°
7.69 mm
06-11
33.0° 27.1°
5.31 mm
06-12
43.0° 28.6°
0.88 mm
06-13
40.6° 31.6°
0.19 mm
06-14
41.4° 28.4°
1.69 mm
Both models agree Avg diff: 4.2°C

Where are air quality stations near Siwān?

13
Chitragupta Nagar, Siwan, India
0.7 km PM2.5: 3.1 µg/m³
133
Chitragupta Nagar, Siwan, India
0.7 km PM2.5: 48.5 µg/m³
31
Chitragupta Nagar, Siwan, India
0.7 km PM2.5: 7.4 µg/m³
10
Chitragupta Nagar, Siwan, India
0.7 km PM2.5: 2.4 µg/m³
64
Chitragupta Nagar, Siwan, India
0.7 km PM2.5: 18.3 µg/m³

What cities are near Siwān?

131 Mirganj 131 Mahārājgani 131 Mairwa 122 Gopālganj 124 Barauli 114 Maniar 114 Sikandarpur 118 Lar 84 Bānsdīh 82 Reoti
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T19:28 UTC.