Kalyān vs Tumkur
Side-by-side air quality comparison between Kalyān 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 | Kalyān | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 3.40 |
| PM10(µg/m³) | 40.90 | 4.50 |
| NO₂(µg/m³) | 20.60 | 6.40 |
| SO₂(µg/m³) | 23.00 | 1.30 |
| O₃(µg/m³) | 23.00 | 35.00 |
| CO(µg/m³) | 186.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kalyān averaged an AQI of 95 while Tumkur averaged 88 — a 7-point (8%) gap, with Kalyān the more polluted and Tumkur the cleaner of the two. On 309 days when both cities reported, Kalyān was cleaner on 157 of them; the average daily gap was 49 AQI points.
Seasonality & days
Kalyān peaks in January, while Tumkur peaks in December. Kalyān logged 0.1% Severe days and 46.4% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Kalyān 78 days, Tumkur 20 days.
Year-over-year progress
Kalyān has improved by 4 AQI points (4%) from 2019 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Kalyān reached AQI 414 at Khadakpada (MPCB) on 2022-01-24; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Kalyān spans 2 CPCB stations with a 18-point spread (min 98, max 116); 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 Kalyān's 41.