Siwan vs Thane
Side-by-side air quality comparison between Siwan and Thane.
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 Thane averaged 95 — a 53-point (56%) gap, with Siwan the more polluted and Thane the cleaner of the two. On 216 days when both cities reported, Thane was cleaner on 148 of them; the average daily gap was 54 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; Thane was 0% Severe and 53.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Siwan 13 days, Thane 99 days.
Year-over-year progress
The worst recorded day for Siwan reached AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30; Thane hit AQI 302 at Kasarvadavali (MPCB) on 2024-03-21.
Station-level disparity
Siwan spans 1 CPCB stations with a 0-point spread (min 197, max 197); Thane spans 2 stations with a 9-point spread (min 90, max 99).