Bulandshahr vs Sagar
Side-by-side air quality comparison between Bulandshahr and Sagar.
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 | Sagar |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 25.90 |
| PM10(µg/m³) | 110.10 | 49.60 |
| NO₂(µg/m³) | 35.60 | 14.50 |
| SO₂(µg/m³) | 9.70 | 3.20 |
| O₃(µg/m³) | 39.00 | 48.00 |
| CO(µg/m³) | 517.00 | 223.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Sagar averaged 96 — a 46-point (48%) gap, with Bulandshahr the more polluted and Sagar the cleaner of the two. On 1291 days when both cities reported, Sagar was cleaner on 1110 of them; the average daily gap was 101 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; Sagar was 0% Severe and 69.9% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Sagar 57 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Sagar has worsened by 24 AQI points (33.3%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Sagar hit AQI 347 at Civil Lines (MPPCB) on 2024-12-25.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Sagar spans 2 stations with a 45-point spread (min 73, max 118).
Verdict
🏆 Sagar has better air quality with an AQI of 50 compared to Bulandshahr's 137. That's a significant difference of 87 points.