Indore vs Ramanathapuram
Side-by-side air quality comparison between Indore 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 | Indore | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 28.60 | 5.40 |
| PM10(µg/m³) | 58.30 | 7.70 |
| NO₂(µg/m³) | 1.00 | 1.10 |
| SO₂(µg/m³) | 6.70 | 2.90 |
| O₃(µg/m³) | 113.00 | 72.00 |
| CO(µg/m³) | 204.00 | 127.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Ramanathapuram averaged 42 — a 42-point (100%) gap, with Indore the more polluted and Ramanathapuram the cleaner of the two. On 409 days when both cities reported, Ramanathapuram was cleaner on 379 of them; the average daily gap was 80 AQI points.
Seasonality & days
Indore peaks in November, while Ramanathapuram peaks in January. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Ramanathapuram 46 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Ramanathapuram has better air quality with an AQI of 9 compared to Indore's 59.