Nārnaul vs Tumkur
Side-by-side air quality comparison between Nārnaul 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 | Nārnaul | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 45.80 | 3.70 |
| PM10(µg/m³) | 120.10 | 4.60 |
| NO₂(µg/m³) | 21.00 | 7.70 |
| SO₂(µg/m³) | 7.10 | 1.50 |
| O₃(µg/m³) | 63.00 | 32.00 |
| CO(µg/m³) | 386.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nārnaul averaged an AQI of 94 while Tumkur averaged 88 — a 6-point (7%) gap, with Nārnaul the more polluted and Tumkur the cleaner of the two. On 468 days when both cities reported, Tumkur was cleaner on 270 of them; the average daily gap was 52 AQI points.
Seasonality & days
Nārnaul peaks in November, while Tumkur peaks in December. Nārnaul logged 0.1% Severe days and 40.8% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Nārnaul 63 days, Tumkur 20 days.
Year-over-year progress
Nārnaul has improved by 37 AQI points (28.2%) from 2019 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Nārnaul reached AQI 435 at Shastri Nagar (HSPCB) on 2023-11-16; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Nārnaul spans 1 CPCB stations with a 0-point spread (min 130, max 130); 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 Nārnaul's 114. That's a significant difference of 108 points.