Arrah vs Chandigarh
Side-by-side air quality comparison between Arrah and Chandigarh.
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, Arrah averaged an AQI of 123 while Chandigarh averaged 153 — a 30-point (24%) gap, with Chandigarh the more polluted and Arrah the cleaner of the two. On 866 days when both cities reported, Arrah was cleaner on 495 of them; the average daily gap was 65 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Chandigarh was 0.3% Severe and 39.9% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Chandigarh 92 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Chandigarh has worsened by 27 AQI points (21.4%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Chandigarh hit AQI 452 at Sector-53 (CPCC) on 2022-11-09.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Chandigarh spans 3 stations with a 43-point spread (min 107, max 150).