Ahmednagar vs Ariyalur
Side-by-side air quality comparison between Ahmednagar and Ariyalur.
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 | Ahmednagar | Ariyalur |
|---|---|---|
| PM2.5(µg/m³) | 15.00 | 6.80 |
| PM10(µg/m³) | 30.30 | 8.30 |
| NO₂(µg/m³) | 7.90 | 7.50 |
| SO₂(µg/m³) | 8.20 | 6.50 |
| O₃(µg/m³) | 37.00 | 43.00 |
| CO(µg/m³) | 132.00 | 133.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmednagar averaged an AQI of 109 while Ariyalur averaged 46 — a 63-point (137%) gap, with Ahmednagar the more polluted and Ariyalur the cleaner of the two. On 352 days when both cities reported, Ariyalur was cleaner on 328 of them; the average daily gap was 64 AQI points.
Seasonality & days
Ahmednagar peaks in November, while Ariyalur peaks in March. Ahmednagar logged 0% Severe days and 50.1% Good-or-Satisfactory days; Ariyalur was 0% Severe and 93.8% Good-or-Satisfactory. Longest clean-air streaks: Ahmednagar 13 days, Ariyalur 57 days.
Year-over-year progress
Ahmednagar has worsened by 15 AQI points (16%) from 2023 to 2024; Ariyalur has improved by 35 AQI points (43.2%) over the same window. The worst recorded day for Ahmednagar reached AQI 259 at Tarakpur (MPCB) on 2024-12-18; Ariyalur hit AQI 221 at Keelapalur (TNPCB) on 2024-04-07.
Station-level disparity
Ahmednagar spans 1 CPCB stations with a 0-point spread (min 104, max 104); Ariyalur spans 1 stations with a 0-point spread (min 51, max 51).
Verdict
🏆 Ariyalur has better air quality with an AQI of 11 compared to Ahmednagar's 30.