Arrah vs Udaipur
Side-by-side air quality comparison between Arrah and Udaipur.
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 | Arrah | Udaipur |
|---|---|---|
| PM2.5(µg/m³) | 99.00 | 27.20 |
| PM10(µg/m³) | 115.50 | 42.00 |
| NO₂(µg/m³) | 53.70 | 8.80 |
| SO₂(µg/m³) | 13.70 | 8.40 |
| O₃(µg/m³) | 10.00 | 51.00 |
| CO(µg/m³) | 944.00 | 176.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Udaipur averaged 112 — a 11-point (10%) gap, with Arrah the more polluted and Udaipur the cleaner of the two. On 847 days when both cities reported, Udaipur was cleaner on 578 of them; the average daily gap was 72 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Udaipur 49 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Udaipur spans 1 stations with a 0-point spread (min 112, max 112).
Verdict
🏆 Udaipur has better air quality with an AQI of 45 compared to Arrah's 231. That's a significant difference of 186 points.