---
station_id: cpcb-5798
raw_id: 5798
name: "Katrap"
city: "Badlapur"
state: ""
country: India
provider: cpcb
provider_name: "Central Pollution Control Board, Government of India"
lat: 19.16485
lon: 73.23409
aqi: 138
band: moderate
yll_years: 4.45
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/5798
---

# Katrap: Air Quality

Current AQI: **138 (Moderate)** as of 12 Nov 2026, 21:35 IST.

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

## Pollutants

| Pollutant | Value | Unit |
|---|---|---|
| PM2.5 | 50.39 | µg/m³ |
| PM10 | 156.09 | µg/m³ |
| NO₂ | 30.73 | µg/m³ |
| SO₂ | 4.56 | µg/m³ |
| O₃ | 2.1 | µg/m³ |
| NH₃ | 21.67 | µg/m³ |
| CO | 1.29 | mg/m³ |

## Estimated health impact (AQLI)

If this PM2.5 level (50.39 µg/m³) persisted as the annual average, the Air Quality Life Index estimates **4.45 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: 19.1649° N, 73.2341° 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.