Alwar vs Ariyalur
Side-by-side air quality comparison between Alwar 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Ariyalur averaged 46 — a 42-point (91%) gap, with Alwar the more polluted and Ariyalur the cleaner of the two. On 603 days when both cities reported, Ariyalur was cleaner on 531 of them; the average daily gap was 46 AQI points.
Seasonality & days
Alwar peaks in November, while Ariyalur peaks in March. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Ariyalur was 0% Severe and 93.8% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Ariyalur 57 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Ariyalur has improved by 35 AQI points (43.2%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Ariyalur hit AQI 221 at Keelapalur (TNPCB) on 2024-04-07.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Ariyalur spans 1 stations with a 0-point spread (min 51, max 51).