Katni vs Ramanathapuram
Side-by-side air quality comparison between Katni and Ramanathapuram.
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 | Katni | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 5.60 |
| PM10(µg/m³) | 46.10 | 8.30 |
| NO₂(µg/m³) | 9.10 | 4.20 |
| SO₂(µg/m³) | 5.30 | 4.00 |
| O₃(µg/m³) | 76.00 | 31.00 |
| CO(µg/m³) | 191.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Ramanathapuram averaged 42 — a 63-point (150%) gap, with Katni the more polluted and Ramanathapuram the cleaner of the two. On 657 days when both cities reported, Ramanathapuram was cleaner on 595 of them; the average daily gap was 82 AQI points.
Seasonality & days
Katni peaks in November, while Ramanathapuram peaks in January. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Ramanathapuram 46 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Katni's 51.