Rājsamand vs Samastipur
Side-by-side air quality comparison between Rājsamand and Samastipur.
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 | Rājsamand | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 17.50 | 118.00 |
| PM10(µg/m³) | 31.10 | 134.60 |
| NO₂(µg/m³) | 5.40 | 61.60 |
| SO₂(µg/m³) | 4.00 | 18.30 |
| O₃(µg/m³) | 63.00 | 5.00 |
| CO(µg/m³) | 133.00 | 837.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Rājsamand averaged an AQI of 88 while Samastipur averaged 134 — a 46-point (52%) gap, with Samastipur the more polluted and Rājsamand the cleaner of the two. On 473 days when both cities reported, Rājsamand was cleaner on 353 of them; the average daily gap was 70 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Rājsamand logged 0% Severe days and 69.7% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Rājsamand 42 days, Samastipur 9 days.
Year-over-year progress
Rājsamand has improved by 13 AQI points (12.9%) from 2023 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Rājsamand reached AQI 320 at Dhoinda (RSPCB) on 2024-08-28; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Rājsamand spans 1 CPCB stations with a 0-point spread (min 94, max 94); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Rājsamand has better air quality with an AQI of 31 compared to Samastipur's 293. That's a significant difference of 262 points.