Karnal vs Ramanathapuram
Side-by-side air quality comparison between Karnal 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 | Karnal | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 110.80 | 6.10 |
| PM10(µg/m³) | 258.90 | 9.30 |
| NO₂(µg/m³) | 55.20 | 5.10 |
| SO₂(µg/m³) | 12.50 | 4.20 |
| O₃(µg/m³) | 10.00 | 32.00 |
| CO(µg/m³) | 1037.00 | 134.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karnal averaged an AQI of 102 while Ramanathapuram averaged 42 — a 60-point (143%) gap, with Karnal the more polluted and Ramanathapuram the cleaner of the two. On 685 days when both cities reported, Ramanathapuram was cleaner on 608 of them; the average daily gap was 74 AQI points.
Seasonality & days
Karnal peaks in November, while Ramanathapuram peaks in January. Karnal logged 0.1% Severe days and 46.2% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Karnal 53 days, Ramanathapuram 46 days.
Year-over-year progress
Karnal has improved by 71 AQI points (41%) from 2019 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Karnal reached AQI 456 at Sector-12 (HSPCB) on 2019-11-03; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Karnal spans 1 CPCB stations with a 0-point spread (min 128, max 128); 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 Karnal's 270. That's a significant difference of 260 points.