Ramanathapuram vs Shillong
Side-by-side air quality comparison between Ramanathapuram and Shillong.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Shillong averaged 75 — a 33-point (79%) gap, with Shillong the more polluted and Ramanathapuram the cleaner of the two. On 282 days when both cities reported, Ramanathapuram was cleaner on 155 of them; the average daily gap was 40 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Shillong peaks in February. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Shillong 113 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Shillong spans 2 stations with a 2-point spread (min 42, max 44).