Ariyalur vs Bihar Sharif
Side-by-side air quality comparison between Ariyalur and Bihar Sharif.
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 Bihar Sharif averaged 115 — a 69-point (150%) gap, with Bihar Sharif the more polluted and Ariyalur the cleaner of the two. On 487 days when both cities reported, Ariyalur was cleaner on 415 of them; the average daily gap was 71 AQI points.
Seasonality & days
Ariyalur peaks in March, while Bihar Sharif peaks in December. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Bihar Sharif was 1% Severe and 39.1% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Bihar Sharif 32 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Bihar Sharif has improved by 138 AQI points (54.5%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Bihar Sharif hit AQI 433 at D M Colony Bihar (BSPCB) on 2021-12-24.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Bihar Sharif spans 1 stations with a 0-point spread (min 146, max 146).