Patna vs Tumkur
Side-by-side air quality comparison between Patna 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 | Patna | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 97.80 | 3.40 |
| PM10(µg/m³) | 109.40 | 4.50 |
| NO₂(µg/m³) | 40.50 | 6.40 |
| SO₂(µg/m³) | 18.90 | 1.30 |
| O₃(µg/m³) | 52.00 | 35.00 |
| CO(µg/m³) | 667.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Patna averaged an AQI of 172 while Tumkur averaged 88 — a 84-point (95%) gap, with Patna the more polluted and Tumkur the cleaner of the two. On 539 days when both cities reported, Tumkur was cleaner on 506 of them; the average daily gap was 149 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Patna logged 7.5% Severe days and 19.400000000000002% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Patna 30 days, Tumkur 20 days.
Year-over-year progress
Patna has improved by 40 AQI points (18.9%) from 2016 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Patna reached AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Patna spans 6 CPCB stations with a 39-point spread (min 154, max 193); 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 Patna's 227. That's a significant difference of 221 points.