Kolār vs Raipur
Side-by-side air quality comparison between Kolār and Raipur.
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 | Kolār | Raipur |
|---|---|---|
| PM2.5(µg/m³) | 5.80 | 30.70 |
| PM10(µg/m³) | 10.80 | 41.40 |
| NO₂(µg/m³) | 1.40 | 4.80 |
| SO₂(µg/m³) | 2.00 | 28.40 |
| O₃(µg/m³) | 86.00 | 155.00 |
| CO(µg/m³) | 137.00 | 211.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Raipur averaged 74 — a 9-point (14%) gap, with Raipur the more polluted and Kolār the cleaner of the two. On 437 days when both cities reported, Kolār was cleaner on 325 of them; the average daily gap was 42 AQI points.
Seasonality & days
Kolār peaks in September, while Raipur peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Raipur was 0% Severe and 54.3% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Raipur 70 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Raipur has improved by 64 AQI points (46.4%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Raipur hit AQI 226 at AIIMS (CECB) on 2023-12-26.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Raipur spans 4 stations with a 42-point spread (min 63, max 105).
Verdict
🏆 Kolār has better air quality with an AQI of 11 compared to Raipur's 52.