Hassan vs Tumkur
Side-by-side air quality comparison between Hassan and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 2.80 | 3.40 |
| PM10(µg/m³) | 4.30 | 4.50 |
| NO₂(µg/m³) | 3.60 | 6.40 |
| SO₂(µg/m³) | 0.70 | 1.30 |
| O₃(µg/m³) | 40.00 | 35.00 |
| CO(µg/m³) | 121.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hassan averaged an AQI of 60 while Tumkur averaged 88 — a 28-point (47%) gap, with Tumkur the more polluted and Hassan the cleaner of the two. On 346 days when both cities reported, Hassan was cleaner on 271 of them; the average daily gap was 48 AQI points.
Seasonality & days
Hassan peaks in March, while Tumkur peaks in December. Hassan logged 0% Severe days and 92.5% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Hassan 51 days, Tumkur 20 days.
Year-over-year progress
Hassan has improved by 4 AQI points (6.2%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Hassan reached AQI 212 at BKatihalli (KSPCB) on 2024-05-11; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Hassan spans 1 CPCB stations with a 0-point spread (min 63, max 63); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Hassan has better air quality with an AQI of 5 compared to Tumkur's 6.