Indore vs Karnal
Side-by-side air quality comparison between Indore and Karnal.
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 | Indore | Karnal |
|---|---|---|
| PM2.5(µg/m³) | 32.60 | 110.80 |
| PM10(µg/m³) | 47.00 | 258.90 |
| NO₂(µg/m³) | 6.50 | 55.20 |
| SO₂(µg/m³) | 12.50 | 12.50 |
| O₃(µg/m³) | 74.00 | 10.00 |
| CO(µg/m³) | 254.00 | 1037.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Indore averaged an AQI of 84 while Karnal averaged 102 — a 18-point (21%) gap, with Karnal the more polluted and Indore the cleaner of the two. On 1424 days when both cities reported, Indore was cleaner on 726 of them; the average daily gap was 54 AQI points.
Seasonality & days
Both cities see their worst air in November on average. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Karnal was 0.1% Severe and 46.2% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Karnal 53 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Karnal has improved by 71 AQI points (41%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Karnal hit AQI 456 at Sector-12 (HSPCB) on 2019-11-03.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Karnal spans 1 stations with a 0-point spread (min 128, max 128).
Verdict
🏆 Indore has better air quality with an AQI of 55 compared to Karnal's 270. That's a significant difference of 215 points.