Siwan vs Varanasi
Side-by-side air quality comparison between Siwan and Varanasi.
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, Siwan averaged an AQI of 148 while Varanasi averaged 56 — a 92-point (164%) gap, with Siwan the more polluted and Varanasi the cleaner of the two. On 491 days when both cities reported, Varanasi was cleaner on 435 of them; the average daily gap was 102 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Siwan logged 5.2% Severe days and 17.7% Good-or-Satisfactory days; Varanasi was 2.8% Severe and 36% Good-or-Satisfactory. Longest clean-air streaks: Siwan 13 days, Varanasi 87 days.
Year-over-year progress
Siwan has improved by 184 AQI points (55.4%) from 2021 to 2024; Varanasi has improved by 169 AQI points (75.1%) over the same window. The worst recorded day for Siwan reached AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30; Varanasi hit AQI 500 at Ardhali Bazar (UPPCB) on 2017-07-11.
Station-level disparity
Siwan spans 1 CPCB stations with a 0-point spread (min 197, max 197); Varanasi spans 4 stations with a 94-point spread (min 71, max 165).