Dindigul vs Ramanathapuram
Side-by-side air quality comparison between Dindigul 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 | Dindigul | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 5.80 |
| PM10(µg/m³) | 19.80 | 8.80 |
| NO₂(µg/m³) | 25.60 | 4.80 |
| SO₂(µg/m³) | 2.80 | 4.10 |
| O₃(µg/m³) | 5.00 | 31.00 |
| CO(µg/m³) | 209.00 | 141.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Dindigul averaged an AQI of 61 while Ramanathapuram averaged 42 — a 19-point (45%) gap, with Dindigul the more polluted and Ramanathapuram the cleaner of the two. On 247 days when both cities reported, Ramanathapuram was cleaner on 208 of them; the average daily gap was 67 AQI points.
Seasonality & days
Dindigul peaks in February, while Ramanathapuram peaks in January. Dindigul logged 0% Severe days and 67.3% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Dindigul 22 days, Ramanathapuram 46 days.
Year-over-year progress
Dindigul has improved by 29 AQI points (32.2%) from 2022 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Dindigul reached AQI 352 at Mendonsa Colony (TNPCB) on 2023-03-12; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Dindigul spans 1 CPCB stations with a 0-point spread (min 102, max 102); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 10 compared to Dindigul's 31.