Samastipur vs Udaipur
Side-by-side air quality comparison between Samastipur 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 | Samastipur | Udaipur |
|---|---|---|
| PM2.5(µg/m³) | 118.00 | 27.20 |
| PM10(µg/m³) | 134.60 | 42.00 |
| NO₂(µg/m³) | 61.60 | 8.80 |
| SO₂(µg/m³) | 18.30 | 8.40 |
| O₃(µg/m³) | 5.00 | 51.00 |
| CO(µg/m³) | 837.00 | 176.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Samastipur averaged an AQI of 134 while Udaipur averaged 112 — a 22-point (20%) gap, with Samastipur the more polluted and Udaipur the cleaner of the two. On 787 days when both cities reported, Udaipur was cleaner on 608 of them; the average daily gap was 84 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Samastipur logged 1.4% Severe days and 23.400000000000002% Good-or-Satisfactory days; Udaipur was 0% Severe and 47% Good-or-Satisfactory. Longest clean-air streaks: Samastipur 9 days, Udaipur 49 days.
Year-over-year progress
Samastipur has improved by 84 AQI points (38.5%) from 2022 to 2024; Udaipur has improved by 77 AQI points (40.7%) over the same window. The worst recorded day for Samastipur reached AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01; Udaipur hit AQI 348 at Ashok Nagar (RSPCB) on 2021-11-15.
Station-level disparity
Samastipur spans 1 CPCB stations with a 0-point spread (min 177, max 177); 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 Samastipur's 293. That's a significant difference of 248 points.