Ariyalur vs Belgaum
Side-by-side air quality comparison between Ariyalur and Belgaum.
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 | Belgaum |
|---|---|---|
| PM2.5(µg/m³) | 7.50 | 12.20 |
| PM10(µg/m³) | 9.90 | 20.70 |
| NO₂(µg/m³) | 8.40 | 8.30 |
| SO₂(µg/m³) | 5.00 | 1.40 |
| O₃(µg/m³) | 42.00 | 32.00 |
| CO(µg/m³) | 137.00 | 110.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ariyalur averaged an AQI of 46 while Belgaum averaged 58 — a 12-point (26%) gap, with Belgaum the more polluted and Ariyalur the cleaner of the two. On 537 days when both cities reported, Ariyalur was cleaner on 428 of them; the average daily gap was 29 AQI points.
Seasonality & days
Ariyalur peaks in March, while Belgaum peaks in January. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Belgaum was 0% Severe and 84.3% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Belgaum 71 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Belgaum has improved by 33 AQI points (36.3%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Belgaum hit AQI 248 at Ramteerth Nagar (KSPCB) on 2024-12-14.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Belgaum spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Ariyalur has better air quality with an AQI of 13 compared to Belgaum's 21.