Alwar vs Korba
Side-by-side air quality comparison between Alwar 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 | Alwar | Korba |
|---|---|---|
| PM2.5(µg/m³) | 58.40 | 49.20 |
| PM10(µg/m³) | 169.00 | 58.40 |
| NO₂(µg/m³) | 17.10 | 18.50 |
| SO₂(µg/m³) | 7.70 | 13.70 |
| O₃(µg/m³) | 58.00 | 64.00 |
| CO(µg/m³) | 391.00 | 435.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Alwar averaged an AQI of 88 while Korba averaged 67 — a 21-point (31%) gap, with Alwar the more polluted and Korba the cleaner of the two. On 707 days when both cities reported, Korba was cleaner on 464 of them; the average daily gap was 36 AQI points.
Seasonality & days
Alwar peaks in November, while Korba peaks in January. Alwar logged 0% Severe days and 70.2% Good-or-Satisfactory days; Korba was 0% Severe and 78.8% Good-or-Satisfactory. Longest clean-air streaks: Alwar 97 days, Korba 83 days.
Year-over-year progress
Alwar has improved by 125 AQI points (58.7%) from 2017 to 2024; Korba has improved by 19 AQI points (22.1%) over the same window. The worst recorded day for Alwar reached AQI 356 at Moti Doongri (RSPCB) on 2017-11-11; Korba hit AQI 313 at Urja Nagar (CECB) on 2023-01-04.
Station-level disparity
Alwar spans 1 CPCB stations with a 0-point spread (min 95, max 95); 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 Alwar's 147. That's a significant difference of 65 points.