Aizawl vs Ujjain
Side-by-side air quality comparison between Aizawl and Ujjain.
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 | Aizawl | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 23.70 | 29.30 |
| PM10(µg/m³) | 34.10 | 46.00 |
| NO₂(µg/m³) | 4.90 | 7.60 |
| SO₂(µg/m³) | 3.20 | 16.00 |
| O₃(µg/m³) | 63.00 | 53.00 |
| CO(µg/m³) | 238.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Aizawl averaged an AQI of 46 while Ujjain averaged 116 — a 70-point (152%) gap, with Ujjain the more polluted and Aizawl the cleaner of the two. On 1371 days when both cities reported, Aizawl was cleaner on 1339 of them; the average daily gap was 86 AQI points.
Seasonality & days
Aizawl peaks in March, while Ujjain peaks in November. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Ujjain 67 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Aizawl has better air quality with an AQI of 40 compared to Ujjain's 49.