Kolār vs Nagpur
Side-by-side air quality comparison between Kolār and Nagpur.
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 | Nagpur |
|---|---|---|
| PM2.5(µg/m³) | 5.90 | 20.30 |
| PM10(µg/m³) | 7.20 | 25.30 |
| NO₂(µg/m³) | 10.90 | 23.20 |
| SO₂(µg/m³) | 4.70 | 12.30 |
| O₃(µg/m³) | 35.00 | 42.00 |
| CO(µg/m³) | 189.00 | 174.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolār averaged an AQI of 65 while Nagpur averaged 104 — a 39-point (60%) gap, with Nagpur the more polluted and Kolār the cleaner of the two. On 770 days when both cities reported, Kolār was cleaner on 623 of them; the average daily gap was 50 AQI points.
Seasonality & days
Kolār peaks in September, while Nagpur peaks in November. Kolār logged 0.9% Severe days and 85.30000000000001% Good-or-Satisfactory days; Nagpur was 0% Severe and 60.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kolār 17 days, Nagpur 68 days.
Year-over-year progress
Kolār has improved by 56 AQI points (46.3%) from 2018 to 2024; Nagpur has improved by 37 AQI points (26.2%) over the same window. The worst recorded day for Kolār reached AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18; Nagpur hit AQI 342 at Opp GPO Civil Lines (MPCB) on 2022-12-03.
Station-level disparity
Kolār spans 1 CPCB stations with a 0-point spread (min 71, max 71); Nagpur spans 4 stations with a 9-point spread (min 98, max 107).
Verdict
🏆 Kolār has better air quality with an AQI of 10 compared to Nagpur's 34.