Hassan vs Mumbai
Side-by-side air quality comparison between Hassan and Mumbai.
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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Hassan | Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 2.70 | 17.50 |
| PM10(µg/m³) | 4.00 | 40.70 |
| NO₂(µg/m³) | 4.10 | 11.00 |
| SO₂(µg/m³) | 0.60 | 12.60 |
| O₃(µg/m³) | 37.00 | 42.00 |
| CO(µg/m³) | 120.00 | 196.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Mumbai averaged 93 — a 33-point (55%) gap, with Mumbai the more polluted and Hassan the cleaner of the two. On 791 days when both cities reported, Hassan was cleaner on 777 of them; the average daily gap was 131 AQI points.
Seasonality & days
Hassan peaks in March, while Mumbai peaks in December. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Mumbai was 0.5% Severe and 34% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Mumbai 58 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Mumbai has improved by 4 AQI points (4.1%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Mumbai hit AQI 500 at Vile Parle West (MPCB) on 2022-08-15.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Mumbai spans 29 stations with a 74-point spread (min 77, max 151).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Mumbai's 41.