Chandigarh vs Hassan
Side-by-side air quality comparison between Chandigarh and Hassan.
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 | Chandigarh | Hassan |
|---|---|---|
| PM2.5(µg/m³) | 46.30 | 2.80 |
| PM10(µg/m³) | 63.60 | 4.30 |
| NO₂(µg/m³) | 30.10 | 3.60 |
| SO₂(µg/m³) | 10.30 | 0.70 |
| O₃(µg/m³) | 64.00 | 40.00 |
| CO(µg/m³) | 602.00 | 121.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Chandigarh averaged an AQI of 153 while Hassan averaged 60 — a 93-point (155%) gap, with Chandigarh the more polluted and Hassan the cleaner of the two. On 1025 days when both cities reported, Hassan was cleaner on 931 of them; the average daily gap was 96 AQI points.
Seasonality & days
Chandigarh peaks in January, while Hassan peaks in March. Chandigarh logged 0.3% Severe days and 39.9% Good-or-Satisfactory days; Hassan was 0% Severe and 92.5% Good-or-Satisfactory. Longest clean-air streaks: Chandigarh 92 days, Hassan 51 days.
Year-over-year progress
Chandigarh has worsened by 27 AQI points (21.4%) from 2019 to 2024; Hassan has improved by 4 AQI points (6.2%) over the same window. The worst recorded day for Chandigarh reached AQI 452 at Sector-53 (CPCC) on 2022-11-09; Hassan hit AQI 212 at BKatihalli (KSPCB) on 2024-05-11.
Station-level disparity
Chandigarh spans 3 CPCB stations with a 43-point spread (min 107, max 150); Hassan spans 1 stations with a 0-point spread (min 63, max 63).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Chandigarh's 78. That's a significant difference of 73 points.