Hassan vs Tālcher
Side-by-side air quality comparison between Hassan and Tālcher.
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 | Tālcher |
|---|---|---|
| PM2.5(µg/m³) | 2.80 | 66.60 |
| PM10(µg/m³) | 4.30 | 72.90 |
| NO₂(µg/m³) | 3.60 | 20.10 |
| SO₂(µg/m³) | 0.70 | 10.00 |
| O₃(µg/m³) | 40.00 | 60.00 |
| CO(µg/m³) | 121.00 | 471.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Tālcher averaged 127 — a 67-point (112%) gap, with Tālcher the more polluted and Hassan the cleaner of the two. On 672 days when both cities reported, Hassan was cleaner on 516 of them; the average daily gap was 52 AQI points.
Seasonality & days
Hassan peaks in March, while Tālcher peaks in December. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Tālcher 44 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Tālcher's 123. That's a significant difference of 118 points.