Durgapur vs Kolār
Side-by-side air quality comparison between Durgapur 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 | Durgapur | Kolār |
|---|---|---|
| PM2.5(µg/m³) | 122.90 | 5.90 |
| PM10(µg/m³) | 127.60 | 7.20 |
| NO₂(µg/m³) | 52.40 | 10.90 |
| SO₂(µg/m³) | 79.40 | 4.70 |
| O₃(µg/m³) | 32.00 | 35.00 |
| CO(µg/m³) | 1042.00 | 189.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Durgapur averaged an AQI of 174 while Kolār averaged 65 — a 109-point (168%) gap, with Durgapur the more polluted and Kolār the cleaner of the two. On 151 days when both cities reported, Kolār was cleaner on 143 of them; the average daily gap was 120 AQI points.
Seasonality & days
Durgapur peaks in December, while Kolār peaks in September. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Kolār 17 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); 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 Durgapur's 303. That's a significant difference of 293 points.