Nagapattinam vs Shivamogga
Side-by-side air quality comparison between Nagapattinam and Shivamogga.
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 | Nagapattinam | Shivamogga |
|---|---|---|
| PM2.5(µg/m³) | 12.50 | 6.90 |
| PM10(µg/m³) | 16.20 | 9.10 |
| NO₂(µg/m³) | 9.80 | 5.20 |
| SO₂(µg/m³) | 4.10 | 1.90 |
| O₃(µg/m³) | 38.00 | 35.00 |
| CO(µg/m³) | 211.00 | 137.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagapattinam averaged an AQI of 60 while Shivamogga averaged 55 — a 5-point (9%) gap, with Nagapattinam the more polluted and Shivamogga the cleaner of the two. On 45 days when both cities reported, Shivamogga was cleaner on 26 of them; the average daily gap was 17 AQI points.
Seasonality & days
Nagapattinam peaks in November, while Shivamogga peaks in February. Nagapattinam logged 0% Severe days and 91.5% Good-or-Satisfactory days; Shivamogga was 0% Severe and 97.5% Good-or-Satisfactory. Longest clean-air streaks: Nagapattinam 8 days, Shivamogga 233 days.
Year-over-year progress
The worst recorded day for Nagapattinam reached AQI 113 at Velippalayam (TNPCB) on 2024-12-16; Shivamogga hit AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04.
Station-level disparity
Nagapattinam spans 1 CPCB stations with a 0-point spread (min 60, max 60); Shivamogga spans 1 stations with a 0-point spread (min 56, max 56).
Verdict
🏆 Shivamogga has better air quality with an AQI of 12 compared to Nagapattinam's 21.