Ariyalur vs Shivamogga
Side-by-side air quality comparison between Ariyalur 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 | Ariyalur | Shivamogga |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 7.00 |
| PM10(µg/m³) | 9.90 | 9.10 |
| NO₂(µg/m³) | 8.40 | 5.90 |
| SO₂(µg/m³) | 5.00 | 1.70 |
| O₃(µg/m³) | 42.00 | 32.00 |
| CO(µg/m³) | 137.00 | 140.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Shivamogga averaged 55 — a 9-point (20%) gap, with Shivamogga the more polluted and Ariyalur the cleaner of the two. On 588 days when both cities reported, Ariyalur was cleaner on 393 of them; the average daily gap was 22 AQI points.
Seasonality & days
Ariyalur peaks in March, while Shivamogga peaks in February. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Shivamogga was 0% Severe and 97.5% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Shivamogga 233 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Shivamogga has improved by 16 AQI points (22.5%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Shivamogga hit AQI 202 at Vinoba Nagara (KSPCB) on 2021-08-04.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); 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 Ariyalur's 13.