Bhopal vs Kolār
Side-by-side air quality comparison between Bhopal and Kolār.
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 | Bhopal | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 27.90 | 5.90 |
| PM10(µg/m³) | 45.20 | 7.20 |
| NO₂(µg/m³) | 6.80 | 10.90 |
| SO₂(µg/m³) | 5.70 | 4.70 |
| O₃(µg/m³) | 67.00 | 35.00 |
| CO(µg/m³) | 260.00 | 189.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bhopal averaged an AQI of 114 while Kolār averaged 65 — a 49-point (75%) gap, with Bhopal the more polluted and Kolār the cleaner of the two. On 825 days when both cities reported, Kolār was cleaner on 720 of them; the average daily gap was 78 AQI points.
Seasonality & days
Bhopal peaks in November, while Kolār peaks in September. Bhopal logged 0% Severe days and 38.4% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Bhopal 47 days, Kolār 17 days.
Year-over-year progress
Bhopal has improved by 39 AQI points (25.5%) from 2019 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Bhopal reached AQI 392 at T T Nagar (MPPCB) on 2022-01-06; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Bhopal spans 3 CPCB stations with a 18-point spread (min 111, max 129); Kolār spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Kolār has better air quality with an AQI of 10 compared to Bhopal's 47.