Ariyalur vs Nārnaul
Side-by-side air quality comparison between Ariyalur and Nārnaul.
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 Nārnaul averaged 94 — a 48-point (104%) gap, with Nārnaul the more polluted and Ariyalur the cleaner of the two. On 524 days when both cities reported, Ariyalur was cleaner on 469 of them; the average daily gap was 77 AQI points.
Seasonality & days
Ariyalur peaks in March, while Nārnaul peaks in November. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Nārnaul was 0.1% Severe and 40.8% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Nārnaul 63 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Nārnaul has improved by 37 AQI points (28.2%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Nārnaul hit AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Nārnaul spans 1 stations with a 0-point spread (min 130, max 130).