Aizawl vs Kolār
Side-by-side air quality comparison between Aizawl and Kolār.
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 Kolār averaged 65 — a 19-point (41%) gap, with Kolār the more polluted and Aizawl the cleaner of the two. On 765 days when both cities reported, Aizawl was cleaner on 604 of them; the average daily gap was 37 AQI points.
Seasonality & days
Aizawl peaks in March, while Kolār peaks in September. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Kolār 17 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Kolār spans 1 stations with a 0-point spread (min 71, max 71).