Hassan vs Karnal
Side-by-side air quality comparison between Hassan and Karnal.
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 | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 1.50 | 60.25 |
| PM10(µg/m³) | 2.60 | 94.33 |
| NO₂(µg/m³) | 1.00 | 16.02 |
| SO₂(µg/m³) | 0.70 | 3.84 |
| O₃(µg/m³) | 69.00 | 26.32 |
| CO(µg/m³) | 107.00 | 220.82 |
| NH3(ppb) | — | 34.21 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Karnal averaged 102 — a 42-point (70%) gap, with Karnal the more polluted and Hassan the cleaner of the two. On 950 days when both cities reported, Hassan was cleaner on 724 of them; the average daily gap was 60 AQI points.
Seasonality & days
Hassan peaks in March, while Karnal peaks in November. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Karnal 53 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Hassan has better air quality with an AQI of 3 compared to Karnal's 102. That's a significant difference of 99 points.