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Siwan vs Solapur

Side-by-side air quality comparison between Siwan and Solapur.

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

Siwan

Bihar, India

Poor

PM2.5: 114.6 µg/m³

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VS

Solapur

Maharashtra, India

Data unavailable

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CPCB Multi-Year History (2016–2024)

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Summary

Overview

In 2024, Siwan averaged an AQI of 148 while Solapur averaged 96 — a 52-point (54%) gap, with Siwan the more polluted and Solapur the cleaner of the two. On 391 days when both cities reported, Solapur was cleaner on 279 of them; the average daily gap was 88 AQI points.

Seasonality & days

Siwan peaks in January, while Solapur peaks in March. Siwan logged 5.2% Severe days and 17.7% Good-or-Satisfactory days; Solapur was 0% Severe and 52.7% Good-or-Satisfactory. Longest clean-air streaks: Siwan 13 days, Solapur 61 days.

Year-over-year progress

Siwan has improved by 184 AQI points (55.4%) from 2021 to 2024; Solapur has improved by 45 AQI points (31.9%) over the same window. The worst recorded day for Siwan reached AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30; Solapur hit AQI 266 at Solapur (MPCB) on 2018-03-03.

Station-level disparity

Siwan spans 1 CPCB stations with a 0-point spread (min 197, max 197); Solapur spans 3 stations with a 10-point spread (min 88, max 98).

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