Bhilai vs Tumkur
Side-by-side air quality comparison between Bhilai 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 | Bhilai | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 30.70 | 1.90 |
| PM10(µg/m³) | 41.40 | 2.70 |
| NO₂(µg/m³) | 4.80 | 0.90 |
| SO₂(µg/m³) | 28.40 | 0.80 |
| O₃(µg/m³) | 155.00 | 77.00 |
| CO(µg/m³) | 386.00 | 114.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhilai averaged an AQI of 73 while Tumkur averaged 88 — a 15-point (21%) gap, with Tumkur the more polluted and Bhilai the cleaner of the two. On 517 days when both cities reported, Bhilai was cleaner on 317 of them; the average daily gap was 44 AQI points.
Seasonality & days
Bhilai peaks in November, while Tumkur peaks in December. Bhilai logged 0% Severe days and 71.6% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Bhilai 119 days, Tumkur 20 days.
Year-over-year progress
Bhilai has worsened by 8 AQI points (12.3%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Bhilai reached AQI 288 at Hathkhoj (CECB) on 2023-12-26; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Bhilai spans 3 CPCB stations with a 25-point spread (min 59, max 84); 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 Bhilai's 52.