Kolār vs Prayagraj
Side-by-side air quality comparison between Kolār and Prayagraj.
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 | Prayagraj |
|---|---|---|
| PM2.5(µg/m³) | 5.10 | 76.80 |
| PM10(µg/m³) | 6.20 | 93.80 |
| NO₂(µg/m³) | 8.80 | 59.00 |
| SO₂(µg/m³) | 4.30 | 16.00 |
| O₃(µg/m³) | 34.00 | 8.00 |
| CO(µg/m³) | 183.00 | 252.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Prayagraj averaged 80 — a 15-point (23%) gap, with Prayagraj the more polluted and Kolār the cleaner of the two. On 479 days when both cities reported, Kolār was cleaner on 374 of them; the average daily gap was 57 AQI points.
Seasonality & days
Kolār peaks in September, while Prayagraj peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Prayagraj 69 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).
Verdict
🏆 Kolār has better air quality with an AQI of 9 compared to Prayagraj's 156. That's a significant difference of 147 points.