Kota vs Siwan
Side-by-side air quality comparison between Kota 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 | Kota | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 24.20 | 108.00 |
| PM10(µg/m³) | 37.80 | 122.50 |
| NO₂(µg/m³) | 6.30 | 59.80 |
| SO₂(µg/m³) | 5.90 | 14.10 |
| O₃(µg/m³) | 59.00 | 4.00 |
| CO(µg/m³) | 205.00 | 856.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kota averaged an AQI of 131 while Siwan averaged 148 — a 17-point (13%) gap, with Siwan the more polluted and Kota the cleaner of the two. On 486 days when both cities reported, Kota was cleaner on 323 of them; the average daily gap was 92 AQI points.
Seasonality & days
Kota peaks in November, while Siwan peaks in January. Kota logged 0% Severe days and 40.599999999999994% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Kota 89 days, Siwan 13 days.
Year-over-year progress
Kota has improved by 45 AQI points (25.6%) from 2017 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Kota reached AQI 375 at Shrinath Puram (RSPCB) on 2021-11-14; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Kota spans 3 CPCB stations with a 9-point spread (min 121, max 130); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Kota has better air quality with an AQI of 40 compared to Siwan's 260. That's a significant difference of 220 points.