Big Morongo Canyon, panoramic view from the West Canyon Trail of Big Morongo Canyon Preserve, near Morongo Valley, California. Creative Commons photo by Dicklyon
Air Quality in San Bernardino County
The Mojave Air Quality Management District provides a Purple Air Monitor map that includes some monitors in the Morongo Basin communities. Air quality measurements can be viewed in real time. Another source for Southern California information is the South Coast AQMD website. This September 2020 article in the in LA Times explains the air quality numbering system.
Air Quality in Joshua Tree National Park
We in the Morongo Basin are so closely connected with Joshua Tree National Park that its air quality issues are ours. Most of us have seen the smog around San Gorgonio Pass where the I-10 and Highway 62 intersect. Read more about air quality in the Park on the JTNP Air Quality page