Hāveri vs Ramanathapuram
Side-by-side air quality comparison between Hāveri 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 | Hāveri | Ramanathapuram |
|---|---|---|
| PM2.5(µg/m³) | 3.50 | 5.30 |
| PM10(µg/m³) | 7.40 | 7.90 |
| NO₂(µg/m³) | 1.40 | 0.90 |
| SO₂(µg/m³) | 0.60 | 2.50 |
| O₃(µg/m³) | 72.00 | 76.00 |
| CO(µg/m³) | 114.00 | 121.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hāveri averaged an AQI of 66 while Ramanathapuram averaged 42 — a 24-point (57%) gap, with Hāveri the more polluted and Ramanathapuram the cleaner of the two. On 601 days when both cities reported, Ramanathapuram was cleaner on 464 of them; the average daily gap was 34 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Hāveri logged 0% Severe days and 86.69999999999999% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Hāveri 76 days, Ramanathapuram 46 days.
Year-over-year progress
Hāveri has improved by 1 AQI points (1.5%) from 2022 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Hāveri reached AQI 262 at Ashwini Nagar (KSPCB) on 2023-11-17; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Hāveri spans 1 CPCB stations with a 0-point spread (min 68, max 68); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).
Verdict
🏆 Hāveri has better air quality with an AQI of 7 compared to Ramanathapuram's 9.