Bhiwāni vs Siwan
Side-by-side air quality comparison between Bhiwāni and Siwan.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Bhiwāni | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 62.60 | 114.60 |
| PM10(µg/m³) | 147.60 | 125.70 |
| NO₂(µg/m³) | 27.90 | 44.50 |
| SO₂(µg/m³) | 11.20 | 15.40 |
| O₃(µg/m³) | 61.00 | 54.00 |
| CO(µg/m³) | 474.00 | 761.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhiwāni averaged an AQI of 134 while Siwan averaged 148 — a 14-point (10%) gap, with Siwan the more polluted and Bhiwāni the cleaner of the two. On 759 days when both cities reported, Bhiwāni was cleaner on 505 of them; the average daily gap was 85 AQI points.
Seasonality & days
Bhiwāni peaks in November, while Siwan peaks in January. Bhiwāni logged 0.6% Severe days and 36.4% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Bhiwāni 33 days, Siwan 13 days.
Year-over-year progress
Bhiwāni has improved by 15 AQI points (10.1%) from 2019 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Bhiwāni reached AQI 471 at HB Colony (HSPCB) on 2019-11-13; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Bhiwāni spans 1 CPCB stations with a 0-point spread (min 144, max 144); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Bhiwāni has better air quality with an AQI of 132 compared to Siwan's 282. That's a significant difference of 150 points.