Bulandshahr vs Kochi
Side-by-side air quality comparison between Bulandshahr and Kochi.
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 | Kochi |
|---|---|---|
| PM2.5(µg/m³) | 69.20 | 8.80 |
| PM10(µg/m³) | 121.10 | 11.60 |
| NO₂(µg/m³) | 22.90 | 8.90 |
| SO₂(µg/m³) | 11.10 | 2.70 |
| O₃(µg/m³) | 91.00 | 30.00 |
| CO(µg/m³) | 455.00 | 119.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Kochi averaged 91 — a 51-point (56%) gap, with Bulandshahr the more polluted and Kochi the cleaner of the two. On 1179 days when both cities reported, Kochi was cleaner on 941 of them; the average daily gap was 98 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Kochi peaks in January. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Kochi 80 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Kochi spans 1 stations with a 0-point spread (min 88, max 88).
Verdict
🏆 Kochi has better air quality with an AQI of 15 compared to Bulandshahr's 131. That's a significant difference of 116 points.