Satna vs Silchar
Side-by-side air quality comparison between Satna and Silchar.
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 | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 53.70 |
| PM10(µg/m³) | 42.70 | 64.50 |
| NO₂(µg/m³) | 26.50 | 14.10 |
| SO₂(µg/m³) | 5.20 | 7.40 |
| O₃(µg/m³) | 28.00 | 94.00 |
| CO(µg/m³) | 289.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Satna averaged an AQI of 66 while Silchar averaged 52 — a 14-point (27%) gap, with Satna the more polluted and Silchar the cleaner of the two. On 642 days when both cities reported, Silchar was cleaner on 558 of them; the average daily gap was 42 AQI points.
Seasonality & days
Satna peaks in November, while Silchar peaks in February. Satna logged 0.2% Severe days and 74.1% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Satna 146 days, Silchar 87 days.
Year-over-year progress
Satna has improved by 58 AQI points (46.8%) from 2018 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Satna reached AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Satna spans 1 CPCB stations with a 0-point spread (min 85, max 85); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Satna has better air quality with an AQI of 51 compared to Silchar's 90.