Noida vs Samastipur
Side-by-side air quality comparison between Noida 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 | Noida | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 67.50 | 118.00 |
| PM10(µg/m³) | 134.10 | 134.60 |
| NO₂(µg/m³) | 34.90 | 61.60 |
| SO₂(µg/m³) | 17.50 | 18.30 |
| O₃(µg/m³) | 48.00 | 5.00 |
| CO(µg/m³) | 554.00 | 837.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Noida averaged an AQI of 182 while Samastipur averaged 134 — a 48-point (36%) gap, with Noida the more polluted and Samastipur the cleaner of the two. On 485 days when both cities reported, Samastipur was cleaner on 348 of them; the average daily gap was 84 AQI points.
Seasonality & days
Noida peaks in November, while Samastipur peaks in January. Noida logged 8.9% Severe days and 16.5% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Noida 14 days, Samastipur 9 days.
Year-over-year progress
Noida has improved by 79 AQI points (30.3%) from 2017 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Noida reached AQI 500 at Sector-1 (UPPCB) on 2019-11-01; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Noida spans 4 CPCB stations with a 15-point spread (min 195, max 210); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Noida has better air quality with an AQI of 126 compared to Samastipur's 293. That's a significant difference of 167 points.