Kārwār vs Ramanathapuram
Side-by-side air quality comparison between Kārwār 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 | Kārwār | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 7.10 | 6.10 |
| PM10(µg/m³) | 19.60 | 9.30 |
| NO₂(µg/m³) | 0.70 | 5.10 |
| SO₂(µg/m³) | 0.40 | 4.20 |
| O₃(µg/m³) | 54.00 | 32.00 |
| CO(µg/m³) | 95.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kārwār averaged an AQI of 55 while Ramanathapuram averaged 42 — a 13-point (31%) gap, with Kārwār the more polluted and Ramanathapuram the cleaner of the two. On 202 days when both cities reported, Ramanathapuram was cleaner on 133 of them; the average daily gap was 21 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Kārwār logged 0% Severe days and 92.7% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Kārwār 34 days, Ramanathapuram 46 days.
Year-over-year progress
Kārwār has improved by 72 AQI points (56.7%) from 2023 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Kārwār reached AQI 222 at KHB Colony (KSPCB) on 2023-12-21; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Kārwār spans 1 CPCB stations with a 0-point spread (min 58, max 58); 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 Kārwār's 20.