Bulandshahr vs Karnal
Side-by-side air quality comparison between Bulandshahr and Karnal.
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 | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 71.70 | 130.90 |
| PM10(µg/m³) | 108.50 | 553.20 |
| NO₂(µg/m³) | 30.30 | 43.30 |
| SO₂(µg/m³) | 10.30 | 17.00 |
| O₃(µg/m³) | 60.00 | 43.00 |
| CO(µg/m³) | 488.00 | 906.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Karnal averaged 102 — a 40-point (39%) gap, with Bulandshahr the more polluted and Karnal the cleaner of the two. On 1924 days when both cities reported, Karnal was cleaner on 1507 of them; the average daily gap was 64 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; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Karnal 53 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 140 compared to Karnal's 473. That's a significant difference of 333 points.