Past Health Advisories



Last Hour 0
Last 12 Hours 0
Last 24 Hours 0
Last 7 days 0
Last 30 days 0
Last 90 days 98

Legend
Good
Moderate
Unhealthy For Sensitive Groups
Unhealthy
Very Unhealthy
Hazardous

What is PM?

Location Cause When Conditions Age
Bishop Dust 11 AM to 12 PM 12/12/2020
PM10: 721.3μg/m3 (stage 1)
a month
Bishop Dust 10 AM to 11 AM 12/12/2020
PM10: 1807μg/m3 (stage 2)
a month
Bishop Dust 9 AM to 10 AM 12/12/2020
PM10: 1147.7μg/m3 (stage 2)
a month
Antelope Valley Smoke 3 PM to 4 PM 11/17/2020
PM2.5: 106 (stage 1)
2 months
Antelope Valley Dust 10 AM to 11 AM 11/06/2020
PM2.5: 138 (stage 1)
2 months
Antelope Valley Dust 9 AM to 10 AM 11/06/2020
PM2.5: 567 (stage 2)
2 months
Mammoth Lakes Smoke 11/05/2020 11 PM to 12 AM - 11/06/2020
PM2.5: 153.8 (stage 1)
2 months
Mammoth Lakes Smoke 10 PM to 11 PM 11/05/2020
PM2.5: 166.2 (stage 1)
2 months
Mammoth Lakes Smoke 9 PM to 10 PM 11/05/2020
PM2.5: 164.4 (stage 1)
2 months
Mammoth Lakes Smoke 8 PM to 9 PM 11/05/2020
PM2.5: 290.6 (stage 2)
2 months
Mammoth Lakes Smoke 7 PM to 8 PM 11/05/2020
PM2.5: 230.2 (stage 2)
2 months
Mammoth Lakes Smoke 6 PM to 7 PM 11/05/2020
PM2.5: 122.1 (stage 1)
2 months
Mammoth Lakes Smoke 4 PM to 5 PM 11/05/2020
PM2.5: 183.5 (stage 1)
2 months
Mammoth Lakes Smoke 8 PM to 9 PM 11/03/2020
PM2.5: 155.3 (stage 1)
2 months
Mammoth Lakes Smoke 7 PM to 8 PM 11/03/2020
PM2.5: 141 (stage 1)
2 months
Mammoth Lakes Smoke 3 AM to 4 AM 11/03/2020
PM2.5: 108.2 (stage 1)
2 months
Mammoth Lakes Smoke 2 AM to 3 AM 11/03/2020
PM2.5: 159.3 (stage 1)
2 months
Mammoth Lakes Smoke 1 AM to 2 AM 11/03/2020
PM2.5: 176.6 (stage 1)
2 months
Mammoth Lakes Smoke 12 AM to 1 AM 11/03/2020
PM2.5: 163 (stage 1)
2 months
Mammoth Lakes Smoke 11/02/2020 11 PM to 12 AM - 11/03/2020
PM2.5: 156.2 (stage 1)
2 months
Mammoth Lakes Smoke 10 PM to 11 PM 11/02/2020
PM2.5: 169.5 (stage 1)
2 months
Mammoth Lakes Smoke 9 PM to 10 PM 11/02/2020
PM2.5: 189.8 (stage 1)
2 months
Mammoth Lakes Smoke 8 PM to 9 PM 11/02/2020
PM2.5: 181.2 (stage 1)
2 months
Mammoth Lakes Smoke 7 PM to 8 PM 11/02/2020
PM2.5: 124.4 (stage 1)
2 months
Mammoth Lakes Smoke 8 PM to 9 PM 10/29/2020
PM2.5: 101.7 (stage 1)
2 months
Mammoth Lakes Smoke 7 PM to 8 PM 10/29/2020
PM2.5: 138.2 (stage 1)
2 months
Keeler Dust 6 AM to 7 AM 10/26/2020
PM10: 644.4μg/m3 (stage 1)
2 months
Keeler Dust 5 AM to 6 AM 10/26/2020
PM10: 409.7μg/m3 (stage 1)
2 months
Keeler Dust 3 AM to 4 AM 10/26/2020
PM10: 402.3μg/m3 (stage 1)
2 months
Keeler Dust 2 AM to 3 AM 10/26/2020
PM10: 608.7μg/m3 (stage 1)
2 months
Keeler Dust 10 PM to 11 PM 10/25/2020
PM10: 593.2μg/m3 (stage 1)
2 months
Coso Junction Dust 10 PM to 11 PM 10/25/2020
PM10: 738μg/m3 (stage 1)
2 months
Olancha Dust 9 PM to 10 PM 10/25/2020
PM10: 430.3μg/m3 (stage 1)
2 months
Keeler Dust 9 PM to 10 PM 10/25/2020
PM10: 742μg/m3 (stage 1)
2 months
Coso Junction Dust 9 PM to 10 PM 10/25/2020
PM10: 590.5μg/m3 (stage 1)
2 months
Olancha Dust 8 PM to 9 PM 10/25/2020
PM10: 412.2μg/m3 (stage 1)
2 months
Keeler Dust 8 PM to 9 PM 10/25/2020
PM10: 728.7μg/m3 (stage 1)
2 months
Keeler Dust 7 PM to 8 PM 10/25/2020
PM10: 532.8μg/m3 (stage 1)
2 months
Coso Junction Dust 7 PM to 8 PM 10/25/2020
PM10: 470.3μg/m3 (stage 1)
2 months
Keeler Dust 6 PM to 7 PM 10/25/2020
PM10: 675.4μg/m3 (stage 1)
2 months
Keeler Dust 5 PM to 6 PM 10/25/2020
PM10: 838.6μg/m3 (stage 2)
2 months
Bishop Dust 5 PM to 6 PM 10/25/2020
PM10: 560.8μg/m3 (stage 1)
2 months
Keeler Dust 4 PM to 5 PM 10/25/2020
PM10: 584.6μg/m3 (stage 1)
2 months
Bishop Dust 4 PM to 5 PM 10/25/2020
PM10: 1208.1μg/m3 (stage 2)
2 months
Bishop Dust 3 PM to 4 PM 10/25/2020
PM10: 1339.9μg/m3 (stage 2)
2 months
Bishop Dust 2 PM to 3 PM 10/25/2020
PM10: 1161.7μg/m3 (stage 2)
2 months
Bishop Dust 1 PM to 2 PM 10/25/2020
PM10: 1487.3μg/m3 (stage 2)
2 months
Bishop Dust 12 PM to 1 PM 10/25/2020
PM10: 869.9μg/m3 (stage 2)
2 months
Bishop Dust 11 AM to 12 PM 10/25/2020
PM10: 855.7μg/m3 (stage 2)
2 months
Mammoth Lakes Smoke 11 AM to 12 PM 10/25/2020
PM2.5: 127.9 (stage 1)
2 months
Bishop Dust 10 AM to 11 AM 10/25/2020
PM10: 463.9μg/m3 (stage 1)
2 months
Mammoth Lakes Smoke 10 AM to 11 AM 10/25/2020
PM2.5: 219.1 (stage 2)
2 months
Mammoth Lakes Smoke 9 AM to 10 AM 10/25/2020
PM2.5: 237 (stage 2)
2 months
Mammoth Lakes Smoke 8 AM to 9 AM 10/25/2020
PM2.5: 168.1 (stage 1)
2 months
Mammoth Lakes Smoke 7 AM to 8 AM 10/25/2020
PM2.5: 300.2 (stage 2)
2 months
Mammoth Lakes Smoke 6 AM to 7 AM 10/25/2020
PM2.5: 508.8 (stage 2)
2 months
Mammoth Lakes Smoke 5 AM to 6 AM 10/25/2020
PM2.5: 729.8 (stage 2)
2 months
Mammoth Lakes Smoke 4 AM to 5 AM 10/25/2020
PM2.5: 430.7 (stage 2)
2 months
Mammoth Lakes Smoke 3 AM to 4 AM 10/25/2020
PM2.5: 208.9 (stage 2)
2 months
Mammoth Lakes Smoke 2 AM to 3 AM 10/25/2020
PM2.5: 232.7 (stage 2)
2 months
Mammoth Lakes Smoke 1 AM to 2 AM 10/25/2020
PM2.5: 541.5 (stage 2)
2 months
Mammoth Lakes Smoke 12 AM to 1 AM 10/25/2020
PM2.5: 847.5 (stage 2)
2 months
Mammoth Lakes Smoke 10/24/2020 11 PM to 12 AM - 10/25/2020
PM2.5: 522.5 (stage 2)
2 months
Mammoth Lakes Smoke 10 PM to 11 PM 10/24/2020
PM2.5: 294.6 (stage 2)
2 months
Mammoth Lakes Smoke 9 PM to 10 PM 10/24/2020
PM2.5: 200.4 (stage 2)
2 months
Mammoth Lakes Smoke 3 PM to 4 PM 10/24/2020
PM2.5: 133.8 (stage 1)
2 months
Mammoth Lakes Smoke 12 PM to 1 PM 10/24/2020
PM2.5: 179.2 (stage 1)
2 months
Mammoth Lakes Smoke 11 AM to 12 PM 10/24/2020
PM2.5: 337.1 (stage 2)
2 months
Mammoth Lakes Smoke 10 AM to 11 AM 10/24/2020
PM2.5: 225.6 (stage 2)
2 months
Mammoth Lakes Smoke 9 AM to 10 AM 10/24/2020
PM2.5: 374.4 (stage 2)
2 months
Mammoth Lakes Smoke 8 AM to 9 AM 10/24/2020
PM2.5: 213.8 (stage 2)
2 months
Mammoth Lakes Smoke 7 AM to 8 AM 10/24/2020
PM2.5: 122.4 (stage 1)
2 months
Mammoth Lakes Smoke 6 AM to 7 AM 10/24/2020
PM2.5: 183.5 (stage 1)
2 months
Mammoth Lakes Smoke 5 AM to 6 AM 10/24/2020
PM2.5: 268.3 (stage 2)
2 months
Mammoth Lakes Smoke 4 AM to 5 AM 10/24/2020
PM2.5: 410.2 (stage 2)
2 months
Mammoth Lakes Smoke 3 AM to 4 AM 10/24/2020
PM2.5: 581.2 (stage 2)
2 months
Mammoth Lakes Smoke 2 AM to 3 AM 10/24/2020
PM2.5: 450.8 (stage 2)
2 months
Mammoth Lakes Smoke 1 AM to 2 AM 10/24/2020
PM2.5: 411.8 (stage 2)
2 months
Mammoth Lakes Smoke 12 AM to 1 AM 10/24/2020
PM2.5: 339.6 (stage 2)
2 months
Mammoth Lakes Smoke 10/23/2020 11 PM to 12 AM - 10/24/2020
PM2.5: 332.1 (stage 2)
2 months
Mammoth Lakes Smoke 10 PM to 11 PM 10/23/2020
PM2.5: 374.2 (stage 2)
2 months
Mammoth Lakes Smoke 9 PM to 10 PM 10/23/2020
PM2.5: 168.8 (stage 1)
2 months
Mammoth Lakes Smoke 8 PM to 9 PM 10/23/2020
PM2.5: 170.1 (stage 1)
2 months
Mammoth Lakes Smoke 7 PM to 8 PM 10/23/2020
PM2.5: 140.5 (stage 1)
2 months
Mammoth Lakes Smoke 4 PM to 5 PM 10/23/2020
PM2.5: 128.3 (stage 1)
2 months
Mammoth Lakes Smoke 3 PM to 4 PM 10/23/2020
PM2.5: 162.6 (stage 1)
2 months
Mammoth Lakes Smoke 2 PM to 3 PM 10/23/2020
PM2.5: 184.5 (stage 1)
2 months
Mammoth Lakes Smoke 1 PM to 2 PM 10/23/2020
PM2.5: 215.6 (stage 2)
2 months
Mammoth Lakes Smoke 12 PM to 1 PM 10/23/2020
PM2.5: 178.4 (stage 1)
2 months
Mammoth Lakes Smoke 11 AM to 12 PM 10/23/2020
PM2.5: 213.9 (stage 2)
2 months
Mammoth Lakes Smoke 10 AM to 11 AM 10/23/2020
PM2.5: 382.1 (stage 2)
2 months
Mammoth Lakes Smoke 9 AM to 10 AM 10/23/2020
PM2.5: 403.7 (stage 2)
2 months
Mammoth Lakes Smoke 8 AM to 9 AM 10/23/2020
PM2.5: 337.1 (stage 2)
2 months
Mammoth Lakes Smoke 7 AM to 8 AM 10/23/2020
PM2.5: 489.6 (stage 2)
2 months
Mammoth Lakes Smoke 6 AM to 7 AM 10/23/2020
PM2.5: 633.7 (stage 2)
2 months
Mammoth Lakes Smoke 5 AM to 6 AM 10/23/2020
PM2.5: 812.4 (stage 2)
2 months
Mammoth Lakes Smoke 4 AM to 5 AM 10/23/2020
PM2.5: 925.4 (stage 2)
2 months
Mammoth Lakes Smoke 3 AM to 4 AM 10/23/2020
PM2.5: 315.9 (stage 2)
2 months