Bulandshahr vs Saharsa
Side-by-side air quality comparison between Bulandshahr 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 | Bulandshahr | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 69.20 | 99.90 |
| PM10(µg/m³) | 121.10 | 105.70 |
| NO₂(µg/m³) | 22.90 | 26.10 |
| SO₂(µg/m³) | 11.10 | 13.00 |
| O₃(µg/m³) | 91.00 | 62.00 |
| CO(µg/m³) | 455.00 | 670.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Saharsa averaged 139 — a 3-point (2%) gap, with Bulandshahr the more polluted and Saharsa the cleaner of the two. On 906 days when both cities reported, Bulandshahr was cleaner on 546 of them; the average daily gap was 75 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Saharsa peaks in January. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Saharsa 20 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 131 compared to Saharsa's 234. That's a significant difference of 103 points.