Sagar vs Tumkur
Side-by-side air quality comparison between Sagar 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 | Sagar | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 25.90 | 3.70 |
| PM10(µg/m³) | 49.60 | 4.60 |
| NO₂(µg/m³) | 14.50 | 7.70 |
| SO₂(µg/m³) | 3.20 | 1.50 |
| O₃(µg/m³) | 48.00 | 32.00 |
| CO(µg/m³) | 223.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Sagar averaged an AQI of 96 while Tumkur averaged 88 — a 8-point (9%) gap, with Sagar the more polluted and Tumkur the cleaner of the two. On 312 days when both cities reported, Tumkur was cleaner on 172 of them; the average daily gap was 52 AQI points.
Seasonality & days
Sagar peaks in November, while Tumkur peaks in December. Sagar logged 0% Severe days and 69.9% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Sagar 57 days, Tumkur 20 days.
Year-over-year progress
Sagar has worsened by 24 AQI points (33.3%) from 2020 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Sagar reached AQI 347 at Civil Lines (MPPCB) on 2024-12-25; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Sagar spans 2 CPCB stations with a 45-point spread (min 73, max 118); 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 Sagar's 50.