Palwal vs Ramanathapuram
Side-by-side air quality comparison between Palwal 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 | Palwal | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 58.70 | 6.10 |
| PM10(µg/m³) | 129.50 | 9.30 |
| NO₂(µg/m³) | 23.70 | 5.10 |
| SO₂(µg/m³) | 9.30 | 4.20 |
| O₃(µg/m³) | 51.00 | 32.00 |
| CO(µg/m³) | 502.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Palwal averaged an AQI of 95 while Ramanathapuram averaged 42 — a 53-point (126%) gap, with Palwal the more polluted and Ramanathapuram the cleaner of the two. On 664 days when both cities reported, Ramanathapuram was cleaner on 551 of them; the average daily gap was 50 AQI points.
Seasonality & days
Palwal peaks in November, while Ramanathapuram peaks in January. Palwal logged 0.2% Severe days and 47.800000000000004% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Palwal 37 days, Ramanathapuram 46 days.
Year-over-year progress
Palwal has improved by 91 AQI points (48.9%) from 2019 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Palwal reached AQI 465 at Shyam Nagar (HSPCB) on 2019-11-14; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Palwal spans 1 CPCB stations with a 0-point spread (min 120, max 120); 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 Palwal's 120. That's a significant difference of 110 points.