Chandrapur vs Samastipur
Side-by-side air quality comparison between Chandrapur 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 | Chandrapur | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 20.00 | 118.00 |
| PM10(µg/m³) | 28.20 | 134.60 |
| NO₂(µg/m³) | 8.80 | 61.60 |
| SO₂(µg/m³) | 10.00 | 18.30 |
| O₃(µg/m³) | 84.00 | 5.00 |
| CO(µg/m³) | 171.00 | 837.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2022, Chandrapur averaged an AQI of 123 while Samastipur averaged 134 — a 11-point (9%) gap, with Samastipur the more polluted and Chandrapur the cleaner of the two. On 126 days when both cities reported, Chandrapur was cleaner on 118 of them; the average daily gap was 93 AQI points.
Seasonality & days
Chandrapur peaks in March, while Samastipur peaks in January. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Samastipur 9 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Chandrapur has better air quality with an AQI of 33 compared to Samastipur's 293. That's a significant difference of 260 points.