Bulandshahr vs Gaya
Side-by-side air quality comparison between Bulandshahr and Gaya.
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 | Gaya |
|---|---|---|
| PM2.5(µg/m³) | 69.20 | 61.20 |
| PM10(µg/m³) | 121.10 | 73.80 |
| NO₂(µg/m³) | 22.90 | 16.60 |
| SO₂(µg/m³) | 11.10 | 13.20 |
| O₃(µg/m³) | 91.00 | 86.00 |
| CO(µg/m³) | 455.00 | 309.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Gaya averaged 110 — a 32-point (29%) gap, with Bulandshahr the more polluted and Gaya the cleaner of the two. On 2202 days when both cities reported, Gaya was cleaner on 1196 of them; the average daily gap was 73 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Gaya peaks in January. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Gaya was 1.7% Severe and 32% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Gaya 52 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Gaya has improved by 89 AQI points (44.7%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Gaya hit AQI 500 at Collectorate (BSPCB) on 2016-10-15.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Gaya spans 3 stations with a 85-point spread (min 88, max 173).
Verdict
🏆 Gaya has better air quality with an AQI of 105 compared to Bulandshahr's 131.