Siliguri vs Ujjain
Side-by-side air quality comparison between Siliguri and Ujjain.
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, Siliguri averaged an AQI of 81 while Ujjain averaged 116 — a 35-point (43%) gap, with Ujjain the more polluted and Siliguri the cleaner of the two. On 1824 days when both cities reported, Siliguri was cleaner on 1365 of them; the average daily gap was 58 AQI points.
Seasonality & days
Siliguri peaks in February, while Ujjain peaks in November. Siliguri logged 0.1% Severe days and 61.8% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Siliguri 180 days, Ujjain 67 days.
Year-over-year progress
Siliguri has improved by 39 AQI points (32.5%) from 2018 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Siliguri reached AQI 415 at Ward-32 Bapupara (WBPCB) on 2018-02-08; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Siliguri spans 1 CPCB stations with a 0-point spread (min 107, max 107); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).