Ajmer vs Arrah
Side-by-side air quality comparison between Ajmer and Arrah.
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 | Arrah |
|---|---|---|
| PM2.5(µg/m³) | 19.50 | 99.00 |
| PM10(µg/m³) | 44.80 | 115.50 |
| NO₂(µg/m³) | 3.60 | 53.70 |
| SO₂(µg/m³) | 4.10 | 13.70 |
| O₃(µg/m³) | 60.00 | 10.00 |
| CO(µg/m³) | 152.00 | 944.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Ajmer averaged an AQI of 112 while Arrah averaged 123 — a 11-point (10%) gap, with Arrah the more polluted and Ajmer the cleaner of the two. On 304 days when both cities reported, Ajmer was cleaner on 212 of them; the average daily gap was 80 AQI points.
Seasonality & days
Ajmer peaks in November, while Arrah peaks in January. Ajmer logged 0% Severe days and 54.300000000000004% Good-or-Satisfactory days; Arrah was 0.2% Severe and 32.3% Good-or-Satisfactory. Longest clean-air streaks: Ajmer 94 days, Arrah 11 days.
Year-over-year progress
Ajmer has improved by 22 AQI points (16.4%) from 2017 to 2022; Arrah has improved by 175 AQI points (58.7%) over the same window. The worst recorded day for Ajmer reached AQI 357 at Civil Lines (RSPCB) on 2021-03-31; Arrah hit AQI 420 at New DM Office (BSPCB) on 2021-12-21.
Station-level disparity
Ajmer spans 1 CPCB stations with a 0-point spread (min 102, max 102); Arrah spans 1 stations with a 0-point spread (min 162, max 162).
Verdict
🏆 Ajmer has better air quality with an AQI of 45 compared to Arrah's 231. That's a significant difference of 186 points.