Alwar vs Tumkur
Side-by-side air quality comparison between Alwar 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 | Alwar | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 58.60 | 3.20 |
| PM10(µg/m³) | 158.30 | 4.50 |
| NO₂(µg/m³) | 11.50 | 4.80 |
| SO₂(µg/m³) | 9.20 | 1.10 |
| O₃(µg/m³) | 99.00 | 40.00 |
| CO(µg/m³) | 334.00 | 126.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Tumkur averaged 88 — a 0-point (0%) gap, with Tumkur the more polluted and Alwar the cleaner of the two. On 531 days when both cities reported, Alwar was cleaner on 305 of them; the average daily gap was 40 AQI points.
Seasonality & days
Alwar peaks in November, while Tumkur peaks in December. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Tumkur 20 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 5 compared to Alwar's 139. That's a significant difference of 134 points.