Bulandshahr vs Prayagraj
Side-by-side air quality comparison between Bulandshahr and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 80.10 |
| PM10(µg/m³) | 110.10 | 101.50 |
| NO₂(µg/m³) | 35.60 | 63.30 |
| SO₂(µg/m³) | 9.70 | 16.20 |
| O₃(µg/m³) | 39.00 | 1.00 |
| CO(µg/m³) | 517.00 | 275.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Prayagraj averaged 80 — a 62-point (78%) gap, with Bulandshahr the more polluted and Prayagraj the cleaner of the two. On 931 days when both cities reported, Prayagraj was cleaner on 698 of them; the average daily gap was 61 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Prayagraj 69 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 137 compared to Prayagraj's 167.