Ariyalur vs Karnal
Side-by-side air quality comparison between Ariyalur and Karnal.
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 Karnal averaged 102 — a 56-point (122%) gap, with Karnal the more polluted and Ariyalur the cleaner of the two. On 573 days when both cities reported, Ariyalur was cleaner on 489 of them; the average daily gap was 65 AQI points.
Seasonality & days
Ariyalur peaks in March, while Karnal peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Karnal 53 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Karnal spans 1 stations with a 0-point spread (min 128, max 128).