Charkhi Dādri vs Tumkur
Side-by-side air quality comparison between Charkhi Dādri 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 | Charkhi Dādri | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 3.70 |
| PM10(µg/m³) | 175.10 | 4.60 |
| NO₂(µg/m³) | 19.80 | 7.70 |
| SO₂(µg/m³) | 10.70 | 1.50 |
| O₃(µg/m³) | 65.00 | 32.00 |
| CO(µg/m³) | 544.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Charkhi Dādri averaged an AQI of 145 while Tumkur averaged 88 — a 57-point (65%) gap, with Charkhi Dādri the more polluted and Tumkur the cleaner of the two. On 525 days when both cities reported, Tumkur was cleaner on 375 of them; the average daily gap was 73 AQI points.
Seasonality & days
Charkhi Dādri peaks in November, while Tumkur peaks in December. Charkhi Dādri logged 0.7% Severe days and 28% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Charkhi Dādri 48 days, Tumkur 20 days.
Year-over-year progress
Charkhi Dādri has improved by 51 AQI points (26%) from 2020 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Charkhi Dādri reached AQI 470 at Mini Secretariat Charkhi (HSPCB) on 2021-11-12; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Charkhi Dādri spans 1 CPCB stations with a 0-point spread (min 162, max 162); 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 Charkhi Dādri's 151. That's a significant difference of 145 points.