Bettiah vs Navi Mumbai
Side-by-side air quality comparison between Bettiah and Navi Mumbai.
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 | Bettiah | Navi Mumbai |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 21.70 |
| PM10(µg/m³) | 116.60 | 43.70 |
| NO₂(µg/m³) | 41.60 | 16.10 |
| SO₂(µg/m³) | 13.00 | 24.00 |
| O₃(µg/m³) | 55.00 | 31.00 |
| CO(µg/m³) | 1389.00 | 157.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Navi Mumbai averaged 107 — a 20-point (19%) gap, with Bettiah the more polluted and Navi Mumbai the cleaner of the two. On 524 days when both cities reported, Navi Mumbai was cleaner on 271 of them; the average daily gap was 67 AQI points.
Seasonality & days
Bettiah peaks in November, while Navi Mumbai peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Navi Mumbai was 0.2% Severe and 43.6% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Navi Mumbai 57 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Navi Mumbai has worsened by 29 AQI points (37.2%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Navi Mumbai hit AQI 477 at Airoli Navi (MPCB) on 2019-04-14.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Navi Mumbai spans 8 stations with a 37-point spread (min 93, max 130).
Verdict
🏆 Navi Mumbai has better air quality with an AQI of 44 compared to Bettiah's 251. That's a significant difference of 207 points.