Outdoor exercise
Is it safe to run in Los Angeles today?
Live AQI and the best running window for Los Angeles based on Open-Meteo hourly forecasts.
Running today
Yes — generally safe for outdoor running
Current conditions are good for outdoor running, including longer or higher-intensity sessions. Sensitive groups — young children, older adults, and people with asthma or heart conditions — can generally exercise outdoors as normal, but it is still worth checking the hourly forecast below in case conditions shift later in the day.
Current AQI in Los Angeles
52
Fair
Updated 18 Jul 2026, 20:00
Best window to run (next 12h)
06:00 – 07:00 · lowest ~65 AQI
Hourly AQI (next 12 hours)
Now
64
21:00
70
22:00
76
23:00
82
00:00
83
01:00
70
02:00
70
03:00
70
04:00
70
05:00
69
06:00
68
07:00
65
What affects air quality for runners in Los Angeles
Los Angeles is shaped by basin geography, high vehicle activity, and strong sunlight, a combination that supports persistent smog dynamics. Nitrogen dioxide is elevated near freeways and major freight routes, while ozone can become the dominant afternoon pollutant across broad areas. Topographic trapping often worsens conditions inland relative to coastal zones.