Hassan vs Ulhasnagar
Side-by-side air quality comparison between Hassan and Ulhasnagar.
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, Hassan averaged an AQI of 60 while Ulhasnagar averaged 117 — a 57-point (95%) gap, with Ulhasnagar the more polluted and Hassan the cleaner of the two. On 320 days when both cities reported, Hassan was cleaner on 291 of them; the average daily gap was 66 AQI points.
Seasonality & days
Hassan peaks in March, while Ulhasnagar peaks in January. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Ulhasnagar was 0% Severe and 46.9% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Ulhasnagar 74 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Ulhasnagar has improved by 10 AQI points (7.9%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Ulhasnagar hit AQI 319 at Sidhi Vinayak Nagar (MPCB) on 2023-11-13.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Ulhasnagar spans 1 stations with a 0-point spread (min 120, max 120).