Prayagraj vs Tumkur
Side-by-side air quality comparison between Prayagraj 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 | Prayagraj | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 31.00 | 1.80 |
| PM10(µg/m³) | 73.60 | 2.50 |
| NO₂(µg/m³) | 0.90 | 1.00 |
| SO₂(µg/m³) | 5.20 | 0.70 |
| O₃(µg/m³) | 153.00 | 77.00 |
| CO(µg/m³) | 204.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Prayagraj averaged an AQI of 80 while Tumkur averaged 88 — a 8-point (10%) gap, with Tumkur the more polluted and Prayagraj the cleaner of the two. On 312 days when both cities reported, Prayagraj was cleaner on 170 of them; the average daily gap was 39 AQI points.
Seasonality & days
Prayagraj peaks in November, while Tumkur peaks in December. Prayagraj logged 0.2% Severe days and 48% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Prayagraj 69 days, Tumkur 20 days.
Year-over-year progress
Prayagraj has improved by 42 AQI points (34.4%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Prayagraj reached AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Prayagraj spans 3 CPCB stations with a 9-point spread (min 96, max 105); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 3 compared to Prayagraj's 74. That's a significant difference of 71 points.