Ariyalur vs Sagar
Side-by-side air quality comparison between Ariyalur and Sagar.
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, Ariyalur averaged an AQI of 46 while Sagar averaged 96 — a 50-point (109%) gap, with Sagar the more polluted and Ariyalur the cleaner of the two. On 314 days when both cities reported, Ariyalur was cleaner on 287 of them; the average daily gap was 72 AQI points.
Seasonality & days
Ariyalur peaks in March, while Sagar peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Sagar 57 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Sagar spans 2 stations with a 45-point spread (min 73, max 118).