Satna vs Siwan
Side-by-side air quality comparison between Satna 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 | Satna | Siwan |
|---|---|---|
| PM2.5(µg/m³) | 31.00 | 114.60 |
| PM10(µg/m³) | 47.80 | 125.70 |
| NO₂(µg/m³) | 18.60 | 44.50 |
| SO₂(µg/m³) | 7.00 | 15.40 |
| O₃(µg/m³) | 55.00 | 54.00 |
| CO(µg/m³) | 240.00 | 761.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Satna averaged an AQI of 66 while Siwan averaged 148 — a 82-point (124%) gap, with Siwan the more polluted and Satna the cleaner of the two. On 757 days when both cities reported, Satna was cleaner on 670 of them; the average daily gap was 127 AQI points.
Seasonality & days
Satna peaks in November, while Siwan peaks in January. Satna logged 0.2% Severe days and 74.1% Good-or-Satisfactory days; Siwan was 5.2% Severe and 17.7% Good-or-Satisfactory. Longest clean-air streaks: Satna 146 days, Siwan 13 days.
Year-over-year progress
Satna has improved by 58 AQI points (46.8%) from 2018 to 2024; Siwan has improved by 184 AQI points (55.4%) over the same window. The worst recorded day for Satna reached AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27; Siwan hit AQI 488 at Chitragupta Nagar (BSPCB) on 2022-12-30.
Station-level disparity
Satna spans 1 CPCB stations with a 0-point spread (min 85, max 85); Siwan spans 1 stations with a 0-point spread (min 197, max 197).
Verdict
🏆 Satna has better air quality with an AQI of 53 compared to Siwan's 282. That's a significant difference of 229 points.