Madikeri vs Siwan
Side-by-side air quality comparison between Madikeri 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Madikeri | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 1.30 | 108.00 |
| PM10(µg/m³) | 1.50 | 122.50 |
| NO₂(µg/m³) | 4.20 | 59.80 |
| SO₂(µg/m³) | 1.00 | 14.10 |
| O₃(µg/m³) | 33.00 | 4.00 |
| CO(µg/m³) | 111.00 | 856.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Madikeri averaged an AQI of 35 while Siwan averaged 148 — a 113-point (323%) gap, with Siwan the more polluted and Madikeri the cleaner of the two. On 762 days when both cities reported, Madikeri was cleaner on 756 of them; the average daily gap was 156 AQI points.
Seasonality & days
Madikeri peaks in February, while Siwan peaks in January. Madikeri logged 0% Severe days and 98.8% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Madikeri 126 days, Siwan 13 days.
Year-over-year progress
Madikeri has improved by 26 AQI points (42.6%) from 2020 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Madikeri reached AQI 163 at Stuart Hill (KSPCB) on 2020-12-27; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Madikeri spans 1 CPCB stations with a 0-point spread (min 42, max 42); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Madikeri has better air quality with an AQI of 2 compared to Siwan's 260. That's a significant difference of 258 points.