Ramanathapuram vs Tālcher
Side-by-side air quality comparison between Ramanathapuram and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 70.50 |
| PM10(µg/m³) | 8.80 | 76.80 |
| NO₂(µg/m³) | 4.80 | 25.10 |
| SO₂(µg/m³) | 4.10 | 6.60 |
| O₃(µg/m³) | 31.00 | 26.00 |
| CO(µg/m³) | 141.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ramanathapuram averaged an AQI of 42 while Tālcher averaged 127 — a 85-point (202%) gap, with Tālcher the more polluted and Ramanathapuram the cleaner of the two. On 371 days when both cities reported, Ramanathapuram was cleaner on 327 of them; the average daily gap was 82 AQI points.
Seasonality & days
Ramanathapuram peaks in January, while Tālcher peaks in December. Ramanathapuram logged 0% Severe days and 94.4% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Ramanathapuram 46 days, Tālcher 44 days.
Year-over-year progress
Ramanathapuram has improved by 18 AQI points (30%) from 2022 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Ramanathapuram reached AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Ramanathapuram spans 1 CPCB stations with a 0-point spread (min 48, max 48); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Tālcher's 136. That's a significant difference of 126 points.