Hanumāngarh vs Samastipur
Side-by-side air quality comparison between Hanumāngarh 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 | Hanumāngarh | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 42.60 | 124.30 |
| PM10(µg/m³) | 78.50 | 140.20 |
| NO₂(µg/m³) | 18.00 | 60.30 |
| SO₂(µg/m³) | 9.70 | 19.10 |
| O₃(µg/m³) | 71.00 | 14.00 |
| CO(µg/m³) | 334.00 | 804.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hanumāngarh averaged an AQI of 178 while Samastipur averaged 134 — a 44-point (33%) gap, with Hanumāngarh the more polluted and Samastipur the cleaner of the two. On 487 days when both cities reported, Samastipur was cleaner on 298 of them; the average daily gap was 80 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Hanumāngarh logged 2.8% Severe days and 20% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Hanumāngarh 22 days, Samastipur 9 days.
Year-over-year progress
Hanumāngarh has improved by 13 AQI points (6.8%) from 2023 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Hanumāngarh reached AQI 447 at Housing Board (RSPCB) on 2023-11-25; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Hanumāngarh spans 1 CPCB stations with a 0-point spread (min 184, max 184); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Hanumāngarh has better air quality with an AQI of 79 compared to Samastipur's 304. That's a significant difference of 225 points.