Nalbāri vs Saharsa
Side-by-side air quality comparison between Nalbāri and Saharsa.
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 | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 57.90 | 100.60 |
| PM10(µg/m³) | 64.70 | 109.00 |
| NO₂(µg/m³) | 7.60 | 40.40 |
| SO₂(µg/m³) | 5.20 | 12.20 |
| O₃(µg/m³) | 112.00 | 21.00 |
| CO(µg/m³) | 397.00 | 719.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Nalbāri averaged an AQI of 129 while Saharsa averaged 139 — a 10-point (8%) gap, with Saharsa the more polluted and Nalbāri the cleaner of the two. On 572 days when both cities reported, Nalbāri was cleaner on 375 of them; the average daily gap was 71 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; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Nalbāri 18 days, Saharsa 20 days.
Year-over-year progress
Nalbāri has improved by 72 AQI points (35.8%) from 2022 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Nalbāri reached AQI 384 at Bata Chowk (PCBA) on 2024-01-08; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Nalbāri spans 1 CPCB stations with a 0-point spread (min 141, max 141); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Nalbāri has better air quality with an AQI of 97 compared to Saharsa's 236. That's a significant difference of 139 points.