Chapra vs Shillong
Side-by-side air quality comparison between Chapra and Shillong.
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, Chapra averaged an AQI of 149 while Shillong averaged 75 — a 74-point (99%) gap, with Chapra the more polluted and Shillong the cleaner of the two. On 460 days when both cities reported, Shillong was cleaner on 447 of them; the average daily gap was 149 AQI points.
Seasonality & days
Chapra peaks in January, while Shillong peaks in February. Chapra logged 2.4% Severe days and 26.8% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Chapra 14 days, Shillong 113 days.
Year-over-year progress
Chapra has improved by 181 AQI points (54.8%) from 2021 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Chapra reached AQI 452 at Darshan Nagar (BSPCB) on 2022-12-20; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Chapra spans 1 CPCB stations with a 0-point spread (min 195, max 195); Shillong spans 2 stations with a 2-point spread (min 42, max 44).