Bidar vs Patna
Side-by-side air quality comparison between Bidar and Patna.
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 | Bidar | Patna |
|---|---|---|
| PM2.5(µg/m³) | 18.40 | 99.00 |
| PM10(µg/m³) | 27.50 | 111.80 |
| NO₂(µg/m³) | 10.40 | 49.30 |
| SO₂(µg/m³) | 2.80 | 18.10 |
| O₃(µg/m³) | 59.00 | 19.00 |
| CO(µg/m³) | 208.00 | 704.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bidar averaged an AQI of 85 while Patna averaged 172 — a 87-point (102%) gap, with Patna the more polluted and Bidar the cleaner of the two. On 787 days when both cities reported, Bidar was cleaner on 767 of them; the average daily gap was 176 AQI points.
Seasonality & days
Bidar peaks in January, while Patna peaks in December. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Patna 30 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Patna spans 6 stations with a 39-point spread (min 154, max 193).
Verdict
🏆 Bidar has better air quality with an AQI of 31 compared to Patna's 231. That's a significant difference of 200 points.