Bilaspur vs Tumkur
Side-by-side air quality comparison between Bilaspur 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 | Bilaspur | Tumkur |
|---|---|---|
| PM2.5(µg/m³) | 38.80 | 3.40 |
| PM10(µg/m³) | 47.40 | 4.50 |
| NO₂(µg/m³) | 22.60 | 6.40 |
| SO₂(µg/m³) | 15.90 | 1.30 |
| O₃(µg/m³) | 56.00 | 35.00 |
| CO(µg/m³) | 481.00 | 124.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bilaspur averaged an AQI of 61 while Tumkur averaged 88 — a 27-point (44%) gap, with Tumkur the more polluted and Bilaspur the cleaner of the two. On 441 days when both cities reported, Bilaspur was cleaner on 310 of them; the average daily gap was 41 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Bilaspur logged 0% Severe days and 88% Good-or-Satisfactory days; Tumkur was 0% Severe and 54% Good-or-Satisfactory. Longest clean-air streaks: Bilaspur 66 days, Tumkur 20 days.
Year-over-year progress
Bilaspur has improved by 22 AQI points (26.5%) from 2021 to 2024; Tumkur has improved by 69 AQI points (43.9%) over the same window. The worst recorded day for Bilaspur reached AQI 259 at Mangala (NTPC) on 2023-03-09; Tumkur hit AQI 355 at Thimmalapura (KSPCB) on 2023-02-15.
Station-level disparity
Bilaspur spans 1 CPCB stations with a 0-point spread (min 69, max 69); Tumkur spans 1 stations with a 0-point spread (min 97, max 97).
Verdict
🏆 Tumkur has better air quality with an AQI of 6 compared to Bilaspur's 65. That's a significant difference of 59 points.