Bulandshahr vs Delhi
Side-by-side air quality comparison between Bulandshahr and Delhi.
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 | Delhi |
|---|---|---|
| PM2.5(µg/m³) | 71.70 | 80.80 |
| PM10(µg/m³) | 108.50 | 143.90 |
| NO₂(µg/m³) | 30.30 | 41.80 |
| SO₂(µg/m³) | 10.30 | 33.00 |
| O₃(µg/m³) | 60.00 | 63.00 |
| CO(µg/m³) | 488.00 | 568.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Delhi averaged 210 — a 68-point (48%) gap, with Delhi the more polluted and Bulandshahr the cleaner of the two. On 2281 days when both cities reported, Bulandshahr was cleaner on 2239 of them; the average daily gap was 114 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; Delhi was 18.7% Severe and 1.7% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Delhi 3 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Delhi has improved by 42 AQI points (16.7%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Delhi hit AQI 500 at Ashok Vihar (DPCC) on 2024-11-18.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Delhi spans 39 stations with a 84-point spread (min 178, max 262).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 140 compared to Delhi's 170.