Navi Mumbai vs Samastipur
Side-by-side air quality comparison between Navi Mumbai 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 | Navi Mumbai | Samastipur |
|---|---|---|
| PM2.5(µg/m³) | 24.30 | 71.50 |
| PM10(µg/m³) | 50.80 | 96.60 |
| NO₂(µg/m³) | 5.00 | 2.40 |
| SO₂(µg/m³) | 16.90 | 19.60 |
| O₃(µg/m³) | 106.00 | 251.00 |
| CO(µg/m³) | 148.00 | 337.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Navi Mumbai averaged an AQI of 107 while Samastipur averaged 134 — a 27-point (25%) gap, with Samastipur the more polluted and Navi Mumbai the cleaner of the two. On 483 days when both cities reported, Navi Mumbai was cleaner on 283 of them; the average daily gap was 64 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Navi Mumbai logged 0.2% Severe days and 43.6% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Navi Mumbai 57 days, Samastipur 9 days.
Year-over-year progress
Navi Mumbai has worsened by 29 AQI points (37.2%) from 2016 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Navi Mumbai reached AQI 477 at Airoli Navi (MPCB) on 2019-04-14; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Navi Mumbai spans 8 CPCB stations with a 37-point spread (min 93, max 130); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).
Verdict
🏆 Navi Mumbai has better air quality with an AQI of 52 compared to Samastipur's 139. That's a significant difference of 87 points.