Navi Mumbai vs Ramanathapuram
Side-by-side air quality comparison between Navi Mumbai 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 | Navi Mumbai | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 5.60 |
| PM10(µg/m³) | 40.90 | 8.30 |
| NO₂(µg/m³) | 20.60 | 4.20 |
| SO₂(µg/m³) | 23.00 | 4.00 |
| O₃(µg/m³) | 23.00 | 31.00 |
| CO(µg/m³) | 153.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Navi Mumbai averaged an AQI of 107 while Ramanathapuram averaged 42 — a 65-point (155%) gap, with Navi Mumbai the more polluted and Ramanathapuram the cleaner of the two. On 408 days when both cities reported, Ramanathapuram was cleaner on 393 of them; the average daily gap was 118 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Navi Mumbai logged 0.2% Severe days and 43.6% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Navi Mumbai 57 days, Ramanathapuram 46 days.
Year-over-year progress
Navi Mumbai has worsened by 29 AQI points (37.2%) from 2016 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Navi Mumbai reached AQI 477 at Airoli Navi (MPCB) on 2019-04-14; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Navi Mumbai spans 8 CPCB stations with a 37-point spread (min 93, max 130); 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 Navi Mumbai's 41.