Live Air Quality Index
Good42
AQI Index
Last updated
2 minutes ago
PM2.5
8.4 μg/m³
PM10
16 μg/m³
O3
58 ppb
NO2
12 ppb
Monitor Location
Device Status
Device Online
Calibration OK
Battery: 78%
Indoor vs Outdoor
Compare indoor and outdoor air quality levels
Indoor: 35
Outdoor: 42
Trend Analysis
24-hour air quality trend
↓ 12% vs yesterday
Air Quality Map
Explore real-time air quality across cities with interactive overlays.
Live AQI Overlay
Good (AQI 42)
Hotspot Cities
- Mont Saint-Aignan Moderate
- Seattle Good
- Paris Unhealthy for Sensitive
Map Layers
Mont Saint-Aignan
Real-time data updated 5 min ago
68
AQI
Regional Trend
24-hour comparison
↓ 12%
Improvement
Pollutants
Understand what's in your air
PM2.5 - Fine Particles
23 μg/m³
Microscopic particles that penetrate deep into lungs
NO₂ - Nitrogen Dioxide
45 ppb
Traffic-related pollutant affecting respiratory health
Pollutant Breakdown
Ozone (O₃)
58 ppb
Carbon Monoxide (CO)
0.8 ppm
Sulfur Dioxide (SO₂)
12 ppb
Health Tips
Protect yourself today
When AQI is Good (0-50)
- • Enjoy outdoor activities freely
- • Open windows for fresh air
- • Perfect day for exercise
When AQI is Moderate (51-100)
- • Limit prolonged outdoor exertion
- • Close windows if sensitive
- • Consider indoor activities
When AQI is Unhealthy (101+)
- • Stay indoors with windows closed
- • Use air purifiers
- • Avoid outdoor exercise
Quick Action Guide
High-Risk Groups
- • Children under 18
- • Adults 65+
- • Pregnant women
- • People with asthma/heart disease
Protective Measures
- • Wear N95 masks outdoors
- • Set air purifiers to high
- • Monitor symptoms closely
- • Check updates every few hours
Historical Data
Track air quality trends over time
30-Day AQI Trend
42
Average AQI
Glendale, CA
38
Yesterday
↓ 12% from last week
London
67
Yesterday
↑ 8% from last week
Your Location
89
Yesterday
↑ 15% from last week
Data Summary
28
Best Day
July 15
156
Worst Day
July 22
42
Monthly Avg
July 2024
12
Good Days
This Month
Locations
Search air quality by city or ZIP
New York
Los Angeles
Chicago
Miami
Seattle
Chicago
38
Good
Updated 5 minutes ago
Chicago Downtown
72
Moderate
Updated 3 minutes ago
Chicago North
45
Good
Updated 7 minutes ago
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New York, NY
AQI 52 • Moderate
Los Angeles, CA
AQI 78 • Moderate
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When AQI exceeds 100
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Morning air quality briefing