Bulandshahr vs Siliguri
Side-by-side air quality comparison between Bulandshahr 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, Bulandshahr averaged an AQI of 142 while Siliguri averaged 81 — a 61-point (75%) gap, with Bulandshahr the more polluted and Siliguri the cleaner of the two. On 1696 days when both cities reported, Siliguri was cleaner on 1473 of them; the average daily gap was 97 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Siliguri peaks in February. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Siliguri was 0.1% Severe and 61.8% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Siliguri 180 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Siliguri has improved by 39 AQI points (32.5%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Siliguri hit AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Siliguri spans 1 stations with a 0-point spread (min 107, max 107).