Karur vs Tumkur
Side-by-side air quality comparison between Karur 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 | Karur | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 3.80 | 3.70 |
| PM10(µg/m³) | 4.40 | 4.60 |
| NO₂(µg/m³) | 7.30 | 7.70 |
| SO₂(µg/m³) | 2.70 | 1.50 |
| O₃(µg/m³) | 37.00 | 32.00 |
| CO(µg/m³) | 117.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Karur averaged an AQI of 71 while Tumkur averaged 88 — a 17-point (24%) gap, with Tumkur the more polluted and Karur the cleaner of the two. On 43 days when both cities reported, Karur was cleaner on 31 of them; the average daily gap was 32 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Karur logged 0% Severe days and 80.3% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Karur 34 days, Tumkur 20 days.
Year-over-year progress
The worst recorded day for Karur reached AQI 149 at Kamadenu Nagar (TNPCB) on 2024-11-26; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Karur spans 1 CPCB stations with a 0-point spread (min 71, max 71); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
Both Karur and Tumkur have the same AQI of 6 right now.