Silchar vs Ujjain
Side-by-side air quality comparison between Silchar 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 | Silchar | Ujjain |
|---|---|---|
| PM2.5(µg/m³) | 53.00 | 32.40 |
| PM10(µg/m³) | 63.80 | 47.70 |
| NO₂(µg/m³) | 13.90 | 6.80 |
| SO₂(µg/m³) | 7.50 | 13.70 |
| O₃(µg/m³) | 95.00 | 66.00 |
| CO(µg/m³) | 276.00 | 215.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Silchar averaged an AQI of 52 while Ujjain averaged 116 — a 64-point (123%) gap, with Ujjain the more polluted and Silchar the cleaner of the two. On 602 days when both cities reported, Silchar was cleaner on 598 of them; the average daily gap was 76 AQI points.
Seasonality & days
Silchar peaks in February, while Ujjain peaks in November. Silchar logged 0% Severe days and 100% Good-or-Satisfactory days; Ujjain was 0.1% Severe and 33.800000000000004% Good-or-Satisfactory. Longest clean-air streaks: Silchar 87 days, Ujjain 67 days.
Year-over-year progress
Silchar has worsened by 11 AQI points (26.8%) from 2023 to 2024; Ujjain has improved by 71 AQI points (38%) over the same window. The worst recorded day for Silchar reached AQI 89 at Tarapur (PCBA) on 2023-04-29; Ujjain hit AQI 500 at Mahakaleshwar Temple (MPPCB) on 2023-03-10.
Station-level disparity
Silchar spans 1 CPCB stations with a 0-point spread (min 47, max 47); Ujjain spans 1 stations with a 0-point spread (min 131, max 131).
Verdict
🏆 Ujjain has better air quality with an AQI of 55 compared to Silchar's 89.