Ramanathapuram vs Silchar
Side-by-side air quality comparison between Ramanathapuram 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 | Ramanathapuram | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 6.10 | 53.70 |
| PM10(µg/m³) | 9.30 | 64.50 |
| NO₂(µg/m³) | 5.10 | 14.10 |
| SO₂(µg/m³) | 4.20 | 7.40 |
| O₃(µg/m³) | 32.00 | 94.00 |
| CO(µg/m³) | 134.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Silchar averaged 52 — a 10-point (24%) gap, with Silchar the more polluted and Ramanathapuram the cleaner of the two. On 543 days when both cities reported, Ramanathapuram was cleaner on 316 of them; the average daily gap was 20 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Silchar peaks in February. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Silchar 87 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Silchar's 90. That's a significant difference of 80 points.