Ghaziabad vs Tumkur
Side-by-side air quality comparison between Ghaziabad 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 | Ghaziabad | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 72.90 | 1.80 |
| PM10(µg/m³) | 265.40 | 2.50 |
| NO₂(µg/m³) | 3.20 | 1.00 |
| SO₂(µg/m³) | 25.70 | 0.70 |
| O₃(µg/m³) | 243.00 | 77.00 |
| CO(µg/m³) | 373.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ghaziabad averaged an AQI of 177 while Tumkur averaged 88 — a 89-point (101%) gap, with Ghaziabad the more polluted and Tumkur the cleaner of the two. On 312 days when both cities reported, Tumkur was cleaner on 274 of them; the average daily gap was 126 AQI points.
Seasonality & days
Ghaziabad peaks in November, while Tumkur peaks in December. Ghaziabad logged 12.2% Severe days and 13.700000000000001% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Ghaziabad 19 days, Tumkur 20 days.
Year-over-year progress
Ghaziabad has improved by 115 AQI points (39.4%) from 2017 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Ghaziabad reached AQI 500 at Vasundhara (UPPCB) on 2017-12-21; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Ghaziabad spans 4 CPCB stations with a 30-point spread (min 198, max 228); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 3 compared to Ghaziabad's 216. That's a significant difference of 213 points.