Bulandshahr vs Dewās
Side-by-side air quality comparison between Bulandshahr and Dewās.
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 | Dewās |
|---|---|---|
| PM2.5(µg/m³) | 71.70 | 31.30 |
| PM10(µg/m³) | 108.50 | 47.80 |
| NO₂(µg/m³) | 30.30 | 7.10 |
| SO₂(µg/m³) | 10.30 | 15.10 |
| O₃(µg/m³) | 60.00 | 66.00 |
| CO(µg/m³) | 488.00 | 208.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Dewās averaged 98 — a 44-point (45%) gap, with Bulandshahr the more polluted and Dewās the cleaner of the two. On 2137 days when both cities reported, Dewās was cleaner on 1761 of them; the average daily gap was 88 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Dewās peaks in December. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Dewās was 0% Severe and 47.7% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Dewās 101 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Dewās has improved by 48 AQI points (32.9%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Dewās hit AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Dewās spans 1 stations with a 0-point spread (min 106, max 106).
Verdict
🏆 Dewās has better air quality with an AQI of 53 compared to Bulandshahr's 140. That's a significant difference of 87 points.