Aurangabad vs Siwan
Side-by-side air quality comparison between Aurangabad 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, Aurangabad averaged an AQI of 99 while Siwan averaged 148 — a 49-point (49%) gap, with Siwan the more polluted and Aurangabad the cleaner of the two. On 463 days when both cities reported, Aurangabad was cleaner on 309 of them; the average daily gap was 86 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Aurangabad logged 0.1% Severe days and 58.3% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Aurangabad 46 days, Siwan 13 days.
Year-over-year progress
Aurangabad has improved by 41 AQI points (29.3%) from 2016 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Aurangabad reached AQI 436 at More Chowk Waluj (MPCB) on 2024-09-16; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Aurangabad spans 4 CPCB stations with a 87-point spread (min 91, max 178); Siwan spans 1 stations with a 0-point spread (min 197, max 197).