Indore vs Tumkur
Side-by-side air quality comparison between Indore 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 | Indore | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 3.70 |
| PM10(µg/m³) | 47.00 | 4.60 |
| NO₂(µg/m³) | 6.50 | 7.70 |
| SO₂(µg/m³) | 12.50 | 1.50 |
| O₃(µg/m³) | 74.00 | 32.00 |
| CO(µg/m³) | 254.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Tumkur averaged 88 — a 4-point (5%) gap, with Tumkur the more polluted and Indore the cleaner of the two. On 312 days when both cities reported, Tumkur was cleaner on 190 of them; the average daily gap was 56 AQI points.
Seasonality & days
Indore peaks in November, while Tumkur peaks in December. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Tumkur 20 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); 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 Indore's 55.