NitroAir

Satellite Monitoring

Real-Time Air Quality From Space

Visualize NASA MODIS and VIIRS satellite data to monitor air quality, particulate matter, and make informed decisions

5 Satellites
24/7 Real-Time
7 Data Layers

Air Quality Index

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PM 2.5

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μg/m³

PM 10

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μg/m³

Health Recommendation

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Selected Location

Click on the map to view detailed air quality information

Understanding Air Quality

Particulate Matter PM 2.5

What is it?

Fine particles with a diameter smaller than 2.5 micrometers, 30 times smaller than a human hair.

Sources:

  • Vehicle combustion
  • Industrial plants
  • Forest fires
  • Wood stoves and cooking

Health Impact:

  • Penetrates deep into lungs
  • Can enter bloodstream
  • Causes respiratory and cardiac problems
  • Increases risk of asthma and chronic diseases

Reference Levels (μg/m³):

0-12 Good - Safe for everyone
12.1-35.4 Moderate - Sensitive groups take precautions
35.5-55.4 Unhealthy for sensitive groups
55.5-150.4 Unhealthy - Avoid outdoor activities
150.5-250.4 Very unhealthy
250.5+ Hazardous - Stay indoors

Particulate Matter PM 10

What is it?

Inhalable particles with a diameter smaller than 10 micrometers.

Sources:

  • Construction dust
  • Road dust
  • Agriculture
  • Industrial activities
  • Pollen and spores

Health Impact:

  • Respiratory tract irritation
  • Asthma aggravation
  • Coughing and difficulty breathing
  • Higher risk for children and elderly

Reference Levels (μg/m³):

0-54 Good
55-154 Moderate
155-254 Unhealthy for sensitive groups
255-354 Unhealthy
355-424 Very unhealthy
425+ Hazardous

Particulate Matter PM 1.0

What is it?

Ultrafine particles with a diameter smaller than 1 micrometer, the most dangerous to health.

Sources:

  • Diesel vehicle emissions
  • Combustion processes
  • Chemical industries
  • Atmospheric reactions

Health Impact:

  • Deepest lung penetration
  • Direct entry into bloodstream
  • Affects cardiovascular system
  • Related to lung cancer
  • Nervous system damage

Important Note: PM1.0 is the most dangerous due to its ultrafine size allowing deeper penetration into the body.

Aerosol Optical Depth (AOD)

What is it?

Measurement of the amount of aerosols (suspended particles) in the entire atmospheric column.

How does it relate to PM?

AOD is a satellite indicator that correlates with ground-level particulate matter concentration.

AOD Value Interpretation:

0-0.1 Clean air
0.1-0.3 Moderate
0.3-0.5 Elevated
0.5-1.0 High
1.0+ Very high - Extreme smoke/dust conditions

Recommendations to Protect Your Health

Good Quality (Green)

  • Ideal for all outdoor activities
  • Perfect for exercise and sports
  • Safe for children, elderly, and sensitive individuals
  • No special precautions required

Moderate (Yellow)

  • Generally acceptable for most people
  • Very sensitive individuals: consider reducing intense activity
  • Monitor respiratory symptoms
  • Children with asthma: have medications available

Unhealthy for Sensitive Groups (Orange)

  • Sensitive groups: limit prolonged outdoor activities
  • People with asthma/heart problems: avoid intense exercise
  • Children and elderly: reduce outdoor time
  • General population can perform normal activities

Unhealthy (Red)

  • Everyone should limit outdoor activities
  • Avoid intense outdoor exercise
  • Use N95 mask if you must go outside
  • Keep windows closed
  • Use indoor air purifiers

Very Unhealthy (Purple)

  • Avoid all outdoor activities
  • Stay indoors with windows closed
  • Use N95/N99 masks if absolutely necessary to go out
  • Sensitive groups: seek medical attention if symptoms occur
  • HEPA air purifiers recommended

Hazardous (Maroon)

  • HEALTH EMERGENCY: Everyone affected
  • DO NOT go outside under any circumstances
  • Seal doors and windows
  • Use air purifiers at maximum power
  • Follow health authority alerts
  • Prepare evacuation plan if necessary

About NitroAir

NASA Real-Time Satellite Data

NitroAir uses NASA GIBS (Global Imagery Browse Services) to provide real-time satellite visualizations of air quality.

Data Sources:

  • MODIS (Terra and Aqua) - Resolution from 250m to 2km
  • VIIRS - High temporal resolution
  • OMI - Aerosol Index
  • AIRS - Atmospheric profiles

Capabilities:

  • Data updated every 3.5 hours (Near Real-Time)
  • Complete global coverage
  • Multiple visualization layers
  • Air quality analysis by 1km x 1km grids
  • Personalized health recommendations

We acknowledge the use of imagery provided by NASA's Global Imagery Browse Services (GIBS), part of NASA's Earth Science Data and Information System (ESDIS).

Technologies Used

NASA GIBS API

Real-time satellite data

Leaflet.js

Interactive maps

JavaScript

Data processing

WMTS Protocol

Web Map Tile Service