Bulandshahr vs Tumkur
Side-by-side air quality comparison between Bulandshahr and Tumkur.
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 | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 56.80 | 1.80 |
| PM10(µg/m³) | 208.60 | 2.50 |
| NO₂(µg/m³) | 1.80 | 1.00 |
| SO₂(µg/m³) | 10.20 | 0.70 |
| O₃(µg/m³) | 189.00 | 77.00 |
| CO(µg/m³) | 308.00 | 112.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bulandshahr averaged an AQI of 142 while Tumkur averaged 88 — a 54-point (61%) gap, with Bulandshahr the more polluted and Tumkur the cleaner of the two. On 532 days when both cities reported, Tumkur was cleaner on 374 of them; the average daily gap was 69 AQI points.
Seasonality & days
Bulandshahr peaks in November, while Tumkur peaks in December. Bulandshahr logged 3.2% Severe days and 27.099999999999998% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Bulandshahr 41 days, Tumkur 20 days.
Year-over-year progress
Bulandshahr has improved by 82 AQI points (36.6%) from 2018 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Bulandshahr reached AQI 500 at Yamunapuram (UPPCB) on 2018-06-13; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Bulandshahr spans 1 CPCB stations with a 0-point spread (min 180, max 180); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 3 compared to Bulandshahr's 173. That's a significant difference of 170 points.