Pimpri-Chinchwad vs Siwan
Side-by-side air quality comparison between Pimpri-Chinchwad 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, Pimpri-Chinchwad averaged an AQI of 114 while Siwan averaged 148 — a 34-point (30%) gap, with Siwan the more polluted and Pimpri-Chinchwad the cleaner of the two. On 217 days when both cities reported, Siwan was cleaner on 111 of them; the average daily gap was 72 AQI points.
Seasonality & days
Pimpri-Chinchwad peaks in November, while Siwan peaks in January. Pimpri-Chinchwad logged 0% Severe days and 42% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Pimpri-Chinchwad 82 days, Siwan 13 days.
Year-over-year progress
The worst recorded day for Pimpri-Chinchwad reached AQI 341 at Thergaon Pimpri (MPCB) on 2024-11-23; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Pimpri-Chinchwad spans 4 CPCB stations with a 20-point spread (min 107, max 127); Siwan spans 1 stations with a 0-point spread (min 197, max 197).