Imphal vs Tumkur
Side-by-side air quality comparison between Imphal 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 | Imphal | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 42.80 | 3.70 |
| PM10(µg/m³) | 49.50 | 4.60 |
| NO₂(µg/m³) | 10.20 | 7.70 |
| SO₂(µg/m³) | 2.20 | 1.50 |
| O₃(µg/m³) | 40.00 | 32.00 |
| CO(µg/m³) | 367.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Imphal averaged an AQI of 110 while Tumkur averaged 88 — a 22-point (25%) gap, with Imphal the more polluted and Tumkur the cleaner of the two. On 264 days when both cities reported, Tumkur was cleaner on 159 of them; the average daily gap was 51 AQI points.
Seasonality & days
Imphal peaks in October, while Tumkur peaks in December. Imphal logged 1.1% Severe days and 49.400000000000006% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Imphal 103 days, Tumkur 20 days.
Year-over-year progress
Imphal has worsened by 23 AQI points (26.4%) from 2022 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Imphal reached AQI 500 at University Imphal (PCB) on 2024-10-11; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Imphal spans 2 CPCB stations with a 4-point spread (min 97, max 101); 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 Imphal's 72. That's a significant difference of 66 points.