Ajmer vs Silchar
Side-by-side air quality comparison between Ajmer and Silchar.
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 | Ajmer | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 19.40 | 53.00 |
| PM10(µg/m³) | 41.90 | 63.80 |
| NO₂(µg/m³) | 4.60 | 13.90 |
| SO₂(µg/m³) | 4.30 | 7.50 |
| O₃(µg/m³) | 57.00 | 95.00 |
| CO(µg/m³) | 155.00 | 276.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Silchar averaged 52 — a 60-point (115%) gap, with Ajmer the more polluted and Silchar the cleaner of the two.
Seasonality & days
Ajmer peaks in November, while Silchar peaks in February. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Silchar 87 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Ajmer has better air quality with an AQI of 42 compared to Silchar's 89.