Ratlam vs Silchar
Side-by-side air quality comparison between Ratlam 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 | Ratlam | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 31.00 | 53.70 |
| PM10(µg/m³) | 47.60 | 64.50 |
| NO₂(µg/m³) | 8.60 | 14.10 |
| SO₂(µg/m³) | 15.80 | 7.40 |
| O₃(µg/m³) | 55.00 | 94.00 |
| CO(µg/m³) | 205.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ratlam averaged an AQI of 113 while Silchar averaged 52 — a 61-point (117%) gap, with Ratlam the more polluted and Silchar the cleaner of the two. On 649 days when both cities reported, Silchar was cleaner on 571 of them; the average daily gap was 61 AQI points.
Seasonality & days
Ratlam peaks in November, while Silchar peaks in February. Ratlam logged 0% Severe days and 46.4% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ratlam 59 days, Silchar 87 days.
Year-over-year progress
Ratlam has improved by 19 AQI points (14.4%) from 2018 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Ratlam reached AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Ratlam spans 1 CPCB stations with a 0-point spread (min 103, max 103); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Ratlam has better air quality with an AQI of 53 compared to Silchar's 90.