Bidar vs Saharsa
Side-by-side air quality comparison between Bidar 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 | Bidar | Saharsa |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 100.60 |
| PM10(µg/m³) | 27.50 | 109.00 |
| NO₂(µg/m³) | 10.40 | 40.40 |
| SO₂(µg/m³) | 2.80 | 12.20 |
| O₃(µg/m³) | 59.00 | 21.00 |
| CO(µg/m³) | 208.00 | 719.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Saharsa averaged 139 — a 54-point (64%) gap, with Saharsa the more polluted and Bidar the cleaner of the two. On 536 days when both cities reported, Bidar was cleaner on 459 of them; the average daily gap was 117 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Saharsa 20 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).
Verdict
🏆 Bidar has better air quality with an AQI of 31 compared to Saharsa's 236. That's a significant difference of 205 points.