Bhopal vs Siwan
Side-by-side air quality comparison between Bhopal 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, Bhopal averaged an AQI of 114 while Siwan averaged 148 — a 34-point (30%) gap, with Siwan the more polluted and Bhopal the cleaner of the two. On 486 days when both cities reported, Bhopal was cleaner on 338 of them; the average daily gap was 88 AQI points.
Seasonality & days
Bhopal peaks in November, while Siwan peaks in January. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Siwan 13 days.
Year-over-year progress
Bhopal has improved by 39 AQI points (25.5%) from 2019 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); Siwan spans 1 stations with a 0-point spread (min 197, max 197).