Bulandshahr vs Silchar
Side-by-side air quality comparison between Bulandshahr and Silchar.
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 | Silchar |
|---|---|---|
| PM2.5(µg/m³) | 71.00 | 53.70 |
| PM10(µg/m³) | 110.10 | 64.50 |
| NO₂(µg/m³) | 35.60 | 14.10 |
| SO₂(µg/m³) | 9.70 | 7.40 |
| O₃(µg/m³) | 39.00 | 94.00 |
| CO(µg/m³) | 517.00 | 289.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Silchar averaged 52 — a 90-point (173%) gap, with Bulandshahr the more polluted and Silchar the cleaner of the two. On 684 days when both cities reported, Silchar was cleaner on 630 of them; the average daily gap was 95 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Silchar peaks in February. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Silchar 87 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Silchar spans 1 stations with a 0-point spread (min 47, max 47).
Verdict
🏆 Silchar has better air quality with an AQI of 90 compared to Bulandshahr's 137.