Kishanganj vs Kolār
Side-by-side air quality comparison between Kishanganj 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 | Kishanganj | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 85.40 | 5.10 |
| PM10(µg/m³) | 88.50 | 6.20 |
| NO₂(µg/m³) | 13.00 | 8.80 |
| SO₂(µg/m³) | 11.50 | 4.30 |
| O₃(µg/m³) | 88.00 | 34.00 |
| CO(µg/m³) | 750.00 | 183.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kishanganj averaged an AQI of 144 while Kolār averaged 65 — a 79-point (122%) gap, with Kishanganj the more polluted and Kolār the cleaner of the two. On 466 days when both cities reported, Kolār was cleaner on 409 of them; the average daily gap was 90 AQI points.
Seasonality & days
Kishanganj peaks in January, while Kolār peaks in September. Kishanganj logged 0.2% Severe days and 37.099999999999994% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Kishanganj 23 days, Kolār 17 days.
Year-over-year progress
Kishanganj has improved by 136 AQI points (48.6%) from 2021 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Kishanganj reached AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Kishanganj spans 1 CPCB stations with a 0-point spread (min 156, max 156); Kolār spans 1 stations with a 0-point spread (min 71, max 71).
Verdict
🏆 Kolār has better air quality with an AQI of 9 compared to Kishanganj's 185. That's a significant difference of 176 points.