Balasore vs Siwan
Side-by-side air quality comparison between Balasore 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, Balasore averaged an AQI of 131 while Siwan averaged 148 — a 17-point (13%) gap, with Siwan the more polluted and Balasore the cleaner of the two. On 272 days when both cities reported, Balasore was cleaner on 145 of them; the average daily gap was 73 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Balasore logged 0.2% Severe days and 42.9% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Balasore 29 days, Siwan 13 days.
Year-over-year progress
Balasore has improved by 58 AQI points (30.7%) from 2023 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Balasore reached AQI 406 at Kalidaspur (OSPCB) on 2024-01-16; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Balasore spans 1 CPCB stations with a 0-point spread (min 141, max 141); Siwan spans 1 stations with a 0-point spread (min 197, max 197).