Nagpur vs Samastipur
Side-by-side air quality comparison between Nagpur 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 | Nagpur | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 21.10 | 118.70 |
| PM10(µg/m³) | 26.60 | 131.30 |
| NO₂(µg/m³) | 20.80 | 48.30 |
| SO₂(µg/m³) | 15.00 | 20.10 |
| O₃(µg/m³) | 55.00 | 57.00 |
| CO(µg/m³) | 180.00 | 732.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nagpur averaged an AQI of 104 while Samastipur averaged 134 — a 30-point (29%) gap, with Samastipur the more polluted and Nagpur the cleaner of the two. On 478 days when both cities reported, Nagpur was cleaner on 342 of them; the average daily gap was 71 AQI points.
Seasonality & days
Nagpur peaks in November, while Samastipur peaks in January. Nagpur logged 0% Severe days and 60.599999999999994% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Nagpur 68 days, Samastipur 9 days.
Year-over-year progress
Nagpur has improved by 37 AQI points (26.2%) from 2017 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Nagpur reached AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Nagpur spans 4 CPCB stations with a 9-point spread (min 98, max 107); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Nagpur has better air quality with an AQI of 35 compared to Samastipur's 296. That's a significant difference of 261 points.