---
station_id: cpcb-5551
raw_id: 5551
name: "Police Line"
city: "Saharsa"
state: ""
country: India
provider: cpcb
provider_name: "Central Pollution Control Board, Government of India"
lat: 25.892357
lon: 86.590325
aqi: 111
band: moderate
yll_years: 0.69
updated: 2026-11-12T16:05:12.214Z
updated_local: "12 Nov 2026, 21:35 IST"
source: https://oaq.notf.in
mirror: https://mugilu.live/s/cpcb/5551
---

# Police Line: Air Quality

Current AQI: **111 (Moderate)** as of 12 Nov 2026, 21:35 IST.

Located in Saharsa, India. Source: **Central Pollution Control Board, Government of India** via OAQ.

## Pollutants

| Pollutant | Value | Unit |
|---|---|---|
| PM2.5 | 12 | µg/m³ |
| PM10 | 116 | µg/m³ |
| NO₂ | 6 | µg/m³ |
| SO₂ | 13 | µg/m³ |
| O₃ | 16.4 | µg/m³ |
| NH₃ | 17.5 | µg/m³ |
| CO | 0.76 | mg/m³ |

## Estimated health impact (AQLI)

If this PM2.5 level (12 µg/m³) persisted as the annual average, the Air Quality Life Index estimates **0.69 years** of life expectancy lost vs. the WHO 5 µg/m³ guideline.

Formula: `max(0, PM2.5 − 5) × 0.098 years`. From Ebenstein et al. 2017 PNAS and Greenstone & Fan 2018 (U Chicago EPIC, [aqli.epic.uchicago.edu](https://aqli.epic.uchicago.edu)). This is a long-term exposure model applied to a live snapshot. Treat as an order-of-magnitude indication.

## Location

- Coordinates: 25.8924° N, 86.5903° E

## Source

Data from Central Pollution Control Board, Government of India via OAQ Data Broker (https://oaq.notf.in). Mirrored hourly. Licensed CC BY 4.0.

Part of an open-source mirror. See https://mugilu.live/about.