Tumkur vs Visakhapatnam
Side-by-side air quality comparison between Tumkur and Visakhapatnam.
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 | Tumkur | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 3.70 | 30.70 |
| PM10(µg/m³) | 4.60 | 36.10 |
| NO₂(µg/m³) | 7.70 | 24.00 |
| SO₂(µg/m³) | 1.50 | 40.50 |
| O₃(µg/m³) | 32.00 | 78.00 |
| CO(µg/m³) | 124.00 | 501.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Tumkur averaged an AQI of 88 while Visakhapatnam averaged 110 — a 22-point (25%) gap, with Visakhapatnam the more polluted and Tumkur the cleaner of the two. On 495 days when both cities reported, Tumkur was cleaner on 309 of them; the average daily gap was 47 AQI points.
Seasonality & days
Tumkur peaks in December, while Visakhapatnam peaks in January. Tumkur logged 0% Severe days and 54% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Tumkur 20 days, Visakhapatnam 27 days.
Year-over-year progress
Tumkur has improved by 69 AQI points (43.9%) from 2022 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Tumkur reached AQI 355 at Thimmalapura (KSPCB) on 2023-02-15; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Tumkur spans 1 CPCB stations with a 0-point spread (min 97, max 97); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Visakhapatnam's 52.