Alwar vs Bulandshahr
Side-by-side air quality comparison between Alwar and Bulandshahr.
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 | Alwar | Bulandshahr |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 71.00 |
| PM10(µg/m³) | 169.00 | 110.10 |
| NO₂(µg/m³) | 17.10 | 35.60 |
| SO₂(µg/m³) | 7.70 | 9.70 |
| O₃(µg/m³) | 58.00 | 39.00 |
| CO(µg/m³) | 391.00 | 517.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Bulandshahr averaged 142 — a 54-point (61%) gap, with Bulandshahr the more polluted and Alwar the cleaner of the two. On 2227 days when both cities reported, Alwar was cleaner on 1837 of them; the average daily gap was 98 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Bulandshahr was 3.2% Severe and 27.099999999999998% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Bulandshahr 41 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Bulandshahr has improved by 82 AQI points (36.6%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Bulandshahr hit AQI 500 at Yamunapuram (UPPCB) on 2018-06-13.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); Bulandshahr spans 1 stations with a 0-point spread (min 180, max 180).
Verdict
🏆 Bulandshahr has better air quality with an AQI of 137 compared to Alwar's 147.