Nalbāri vs Sasaram
Side-by-side air quality comparison between Nalbāri and Sasaram.
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 | Nalbāri | Sasaram |
|---|---|---|
| PM2.5(µg/m³) | 46.80 | 35.65 |
| PM10(µg/m³) | 54.40 | 85.60 |
| NO₂(µg/m³) | 1.10 | 5.21 |
| SO₂(µg/m³) | 7.90 | 0.93 |
| O₃(µg/m³) | 171.00 | 8.80 |
| CO(µg/m³) | 369.00 | 680.74 |
| NH3(ppb) | — | 21.39 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nalbāri averaged an AQI of 129 while Sasaram averaged 109 — a 20-point (18%) gap, with Nalbāri the more polluted and Sasaram the cleaner of the two. On 549 days when both cities reported, Sasaram was cleaner on 328 of them; the average daily gap was 66 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Nalbāri logged 0% Severe days and 41% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Nalbāri 18 days, Sasaram 27 days.
Year-over-year progress
Nalbāri has improved by 72 AQI points (35.8%) from 2022 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Nalbāri reached AQI 384 at Bata Chowk (PCBA) on 2024-01-08; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Nalbāri spans 1 CPCB stations with a 0-point spread (min 141, max 141); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).
Verdict
🏆 Nalbāri has better air quality with an AQI of 78 compared to Sasaram's 86.