Hapur vs Siliguri
Side-by-side air quality comparison between Hapur and Siliguri.
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, Hapur averaged an AQI of 142 while Siliguri averaged 81 — a 61-point (75%) gap, with Hapur the more polluted and Siliguri the cleaner of the two. On 1499 days when both cities reported, Siliguri was cleaner on 1123 of them; the average daily gap was 94 AQI points.
Seasonality & days
Hapur peaks in November, while Siliguri peaks in February. Hapur logged 1.9% Severe days and 36.2% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Hapur 55 days, Siliguri 180 days.
Year-over-year progress
Hapur has improved by 197 AQI points (58.1%) from 2018 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Hapur reached AQI 477 at Anand Vihar (UPPCB) on 2019-10-31; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Hapur spans 1 CPCB stations with a 0-point spread (min 159, max 159); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).