Aizawl vs Samastipur
Side-by-side air quality comparison between Aizawl and Samastipur.
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 Samastipur averaged 134 — a 88-point (191%) gap, with Samastipur the more polluted and Aizawl the cleaner of the two. On 695 days when both cities reported, Aizawl was cleaner on 681 of them; the average daily gap was 135 AQI points.
Seasonality & days
Aizawl peaks in March, while Samastipur peaks in January. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Samastipur 9 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).