Bulandshahr vs Visakhapatnam
Side-by-side air quality comparison between Bulandshahr and Visakhapatnam.
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 | Visakhapatnam |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 30.70 |
| PM10(µg/m³) | 110.10 | 36.10 |
| NO₂(µg/m³) | 35.60 | 24.00 |
| SO₂(µg/m³) | 9.70 | 40.50 |
| O₃(µg/m³) | 39.00 | 78.00 |
| CO(µg/m³) | 517.00 | 501.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Visakhapatnam averaged 110 — a 32-point (29%) gap, with Bulandshahr the more polluted and Visakhapatnam the cleaner of the two. On 2056 days when both cities reported, Visakhapatnam was cleaner on 1473 of them; the average daily gap was 90 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Visakhapatnam peaks in January. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Visakhapatnam was 0% Severe and 50.1% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Visakhapatnam 27 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Visakhapatnam has worsened by 15 AQI points (15.8%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Visakhapatnam hit AQI 341 at GVM Corporation (APPCB) on 2019-01-14.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Visakhapatnam spans 1 stations with a 0-point spread (min 111, max 111).
Verdict
🏆 Visakhapatnam has better air quality with an AQI of 52 compared to Bulandshahr's 137. That's a significant difference of 85 points.