Hisar vs Tumkur
Side-by-side air quality comparison between Hisar 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 | Hisar | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 75.70 | 3.40 |
| PM10(µg/m³) | 224.40 | 4.50 |
| NO₂(µg/m³) | 34.70 | 6.40 |
| SO₂(µg/m³) | 8.30 | 1.30 |
| O₃(µg/m³) | 43.00 | 35.00 |
| CO(µg/m³) | 508.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Tumkur averaged 88 — a 48-point (55%) gap, with Hisar the more polluted and Tumkur the cleaner of the two. On 266 days when both cities reported, Tumkur was cleaner on 185 of them; the average daily gap was 67 AQI points.
Seasonality & days
Hisar peaks in November, while Tumkur peaks in December. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Tumkur 20 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); 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 Hisar's 183. That's a significant difference of 177 points.