Bidar vs Bulandshahr
Side-by-side air quality comparison between Bidar and Bulandshahr.
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 | Bulandshahr |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 71.00 |
| PM10(µg/m³) | 27.50 | 110.10 |
| NO₂(µg/m³) | 10.40 | 35.60 |
| SO₂(µg/m³) | 2.80 | 9.70 |
| O₃(µg/m³) | 59.00 | 39.00 |
| CO(µg/m³) | 208.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Bulandshahr averaged 142 — a 57-point (67%) gap, with Bulandshahr the more polluted and Bidar the cleaner of the two. On 777 days when both cities reported, Bidar was cleaner on 696 of them; the average daily gap was 98 AQI points.
Seasonality & days
Bidar peaks in January, while Bulandshahr peaks in November. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Bulandshahr was 3.2% Severe and 27.099999999999998% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Bulandshahr 41 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Bulandshahr has improved by 82 AQI points (36.6%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Bulandshahr hit AQI 500 at Yamunapuram (UPPCB) on 2018-06-13.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Bulandshahr spans 1 stations with a 0-point spread (min 180, max 180).
Verdict
🏆 Bidar has better air quality with an AQI of 31 compared to Bulandshahr's 137. That's a significant difference of 106 points.