Aizawl vs Tumkur
Side-by-side air quality comparison between Aizawl 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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Tumkur averaged 88 — a 42-point (91%) gap, with Tumkur the more polluted and Aizawl the cleaner of the two. On 461 days when both cities reported, Aizawl was cleaner on 385 of them; the average daily gap was 66 AQI points.
Seasonality & days
Aizawl peaks in March, while Tumkur peaks in December. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Tumkur 20 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).