Chandrapur vs Siwan
Side-by-side air quality comparison between Chandrapur 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 2022, Chandrapur averaged an AQI of 123 while Siwan averaged 148 — a 25-point (20%) gap, with Siwan the more polluted and Chandrapur the cleaner of the two. On 195 days when both cities reported, Chandrapur was cleaner on 150 of them; the average daily gap was 105 AQI points.
Seasonality & days
Chandrapur peaks in March, while Siwan peaks in January. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Siwan 13 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Siwan spans 1 stations with a 0-point spread (min 197, max 197).