Bangalore vs Ramanathapuram
Side-by-side air quality comparison between Bangalore 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 | Bangalore | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 5.60 |
| PM10(µg/m³) | 5.60 | 8.30 |
| NO₂(µg/m³) | 9.50 | 4.20 |
| SO₂(µg/m³) | 4.20 | 4.00 |
| O₃(µg/m³) | 35.00 | 31.00 |
| CO(µg/m³) | 290.00 | 143.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bangalore averaged an AQI of 74 while Ramanathapuram averaged 42 — a 32-point (76%) gap, with Bangalore the more polluted and Ramanathapuram the cleaner of the two. On 719 days when both cities reported, Ramanathapuram was cleaner on 696 of them; the average daily gap was 76 AQI points.
Seasonality & days
Bangalore peaks in March, while Ramanathapuram peaks in January. Bangalore logged 0.5% Severe days and 42.6% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Bangalore 31 days, Ramanathapuram 46 days.
Year-over-year progress
Bangalore has improved by 26 AQI points (26%) from 2016 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Bangalore reached AQI 500 at Silk Board (KSPCB) on 2024-01-10; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Bangalore spans 14 CPCB stations with a 50-point spread (min 49, max 99); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
Both Bangalore and Ramanathapuram have the same AQI of 9 right now.