Hisar vs Korba
Side-by-side air quality comparison between Hisar and Korba.
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 | Hisar | Korba |
|---|---|---|
| PM2.5(µg/m³) | 75.00 | 49.20 |
| PM10(µg/m³) | 231.00 | 58.40 |
| NO₂(µg/m³) | 42.00 | 18.50 |
| SO₂(µg/m³) | 7.20 | 13.70 |
| O₃(µg/m³) | 25.00 | 64.00 |
| CO(µg/m³) | 573.00 | 435.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Hisar averaged an AQI of 136 while Korba averaged 67 — a 69-point (103%) gap, with Hisar the more polluted and Korba the cleaner of the two. On 304 days when both cities reported, Korba was cleaner on 268 of them; the average daily gap was 71 AQI points.
Seasonality & days
Hisar peaks in November, while Korba peaks in January. Hisar logged 1.6% Severe days and 29.700000000000003% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Hisar 34 days, Korba 83 days.
Year-over-year progress
Hisar has improved by 39 AQI points (22.3%) from 2019 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Hisar reached AQI 490 at Urban Estate-II (HSPCB) on 2019-11-02; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Hisar spans 1 CPCB stations with a 0-point spread (min 168, max 168); Korba spans 2 stations with a 13-point spread (min 62, max 75).
Verdict
🏆 Korba has better air quality with an AQI of 82 compared to Hisar's 187. That's a significant difference of 105 points.