Sirohi vs Siwan
Side-by-side air quality comparison between Sirohi 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sirohi averaged an AQI of 89 while Siwan averaged 148 — a 59-point (66%) gap, with Siwan the more polluted and Sirohi the cleaner of the two. On 415 days when both cities reported, Sirohi was cleaner on 357 of them; the average daily gap was 76 AQI points.
Seasonality & days
Sirohi peaks in December, while Siwan peaks in January. Sirohi logged 0% Severe days and 69.2% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Sirohi 41 days, Siwan 13 days.
Year-over-year progress
Sirohi has improved by 4 AQI points (4.3%) from 2023 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Sirohi reached AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Sirohi spans 1 CPCB stations with a 0-point spread (min 90, max 90); Siwan spans 1 stations with a 0-point spread (min 197, max 197).