Hassan vs Howrah
Side-by-side air quality comparison between Hassan and Howrah.
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 Howrah averaged 126 — a 66-point (110%) gap, with Howrah the more polluted and Hassan the cleaner of the two. On 791 days when both cities reported, Hassan was cleaner on 640 of them; the average daily gap was 93 AQI points.
Seasonality & days
Hassan peaks in March, while Howrah peaks in December. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Howrah was 0.7% Severe and 48.7% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Howrah 120 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Howrah has improved by 32 AQI points (20.3%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Howrah hit AQI 500 at Ghusuri (WBPCB) on 2017-04-15.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Howrah spans 5 stations with a 116-point spread (min 111, max 227).