Katni vs Tumkur
Side-by-side air quality comparison between Katni 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 | Katni | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 30.30 | 3.40 |
| PM10(µg/m³) | 46.10 | 4.50 |
| NO₂(µg/m³) | 9.10 | 6.40 |
| SO₂(µg/m³) | 5.30 | 1.30 |
| O₃(µg/m³) | 76.00 | 35.00 |
| CO(µg/m³) | 191.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Katni averaged an AQI of 105 while Tumkur averaged 88 — a 17-point (19%) gap, with Katni the more polluted and Tumkur the cleaner of the two. On 501 days when both cities reported, Tumkur was cleaner on 266 of them; the average daily gap was 50 AQI points.
Seasonality & days
Katni peaks in November, while Tumkur peaks in December. Katni logged 0% Severe days and 39.3% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Katni 62 days, Tumkur 20 days.
Year-over-year progress
Katni has improved by 93 AQI points (47%) from 2019 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Katni reached AQI 350 at Gole Bazar (MPPCB) on 2019-11-01; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Katni spans 1 CPCB stations with a 0-point spread (min 137, max 137); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Katni's 51.