Mammoth Lakes (Mill City) CA, US: 37.645718, -118.966515
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 μg/m3 (55) | 37.1 μg/m3 (104) | 104.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 66.0 μg/m3 (56) | 38.2 μg/m3 (107) | 107.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (43) | 28.3 μg/m3 (85) | 85.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 μg/m3 (40) | 24.4 μg/m3 (76) | 76.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (37) | 23.1 μg/m3 (74) | 74.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 μg/m3 (37) | 23.7 μg/m3 (75) | 75.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 μg/m3 (38) | 24.6 μg/m3 (77) | 77.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 μg/m3 (43) | 26.7 μg/m3 (81) | 81.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 77.0 μg/m3 (61) | 45.8 μg/m3 (126) | 126.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 μg/m3 (64) | 49.9 μg/m3 (136) | 136.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 70.0 μg/m3 (58) | 41.4 μg/m3 (115) | 115.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 108.0 μg/m3 (76) | 64.3 μg/m3 (155) | 155.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 604.0 μg/m3 (499) | 353.8 μg/m3 (402) | 499.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1592.0 μg/m3 (1487) | 895.8 μg/m3 (764) | 1487.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1981.0 μg/m3 (1876) | 1067.8 μg/m3 (878) | 1876.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1909.0 μg/m3 (1804) | 1034.3 μg/m3 (856) | 1804.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1748.0 μg/m3 (1643) | 957.7 μg/m3 (805) | 1643.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 322.0 μg/m3 (184) | 191.0 μg/m3 (240) | 240.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 μg/m3 (52) | 33.2 μg/m3 (95) | 95.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 μg/m3 (42) | 25.6 μg/m3 (79) | 79.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 μg/m3 (41) | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 μg/m3 (50) | 32.4 μg/m3 (93) | 93.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 79.0 μg/m3 (62) | 46.9 μg/m3 (128) | 128.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 175.0 μg/m3 (110) | 108.4 μg/m3 (178) | 178.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 181.0 μg/m3 (113) | 112.6 μg/m3 (180) | 180.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 94.0 μg/m3 (70) | 55.7 μg/m3 (150) | 150.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 145.0 μg/m3 (95) | 89.3 μg/m3 (168) | 168.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 297.0 μg/m3 (171) | 187.2 μg/m3 (237) | 237.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 549.0 μg/m3 (444) | 345.4 μg/m3 (395) | 444.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 794.0 μg/m3 (689) | 493.9 μg/m3 (496) | 689.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 659.0 μg/m3 (554) | 412.6 μg/m3 (441) | 554.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 533.0 μg/m3 (428) | 330.9 μg/m3 (380) | 428.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 461.0 μg/m3 (345) | 285.6 μg/m3 (335) | 345.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 245.0 μg/m3 (145) | 146.2 μg/m3 (198) | 198.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 266.0 μg/m3 (156) | 156.1 μg/m3 (206) | 206.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 277.0 μg/m3 (161) | 160.6 μg/m3 (210) | 210.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 286.0 μg/m3 (166) | 168.0 μg/m3 (218) | 218.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 278.0 μg/m3 (162) | 163.6 μg/m3 (213) | 213.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 432.0 μg/m3 (309) | 253.5 μg/m3 (303) | 309.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 498.0 μg/m3 (391) | 290.7 μg/m3 (340) | 391.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 370.0 μg/m3 (221) | 206.9 μg/m3 (256) | 256.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 476.0 μg/m3 (364) | 287.6 μg/m3 (337) | 364.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 875.0 μg/m3 (770) | 521.5 μg/m3 (514) | 770.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 μg/m3 (74) | 69.9 μg/m3 (158) | 158.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 238.0 μg/m3 (142) | 162.2 μg/m3 (212) | 212.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 270.0 μg/m3 (158) | 180.9 μg/m3 (230) | 230.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 607.0 μg/m3 (502) | 390.9 μg/m3 (427) | 502.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1211.0 μg/m3 (1106) | 746.0 μg/m3 (664) | 1106.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 481.0 μg/m3 (370) | 331.0 μg/m3 (380) | 380.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 93.0 μg/m3 (69) | 62.0 μg/m3 (153) | 153.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 μg/m3 (10) | 4.5 μg/m3 (19) | 19.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 μg/m3 (15) | 7.1 μg/m3 (30) | 30.0 | |
| Sept. 18, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 μg/m3 (22) | 12.7 μg/m3 (51) | 51.0 | |
| Sept. 18, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 μg/m3 (58) | 43.2 μg/m3 (119) | 119.0 | |
| Sept. 18, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 156.0 μg/m3 (100) | 97.3 μg/m3 (172) | 172.0 | |
| Sept. 18, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 293.0 μg/m3 (169) | 179.6 μg/m3 (229) | 229.0 | |
| Sept. 18, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 136.7 μg/m3 (193) | 193.0 | |
| Sept. 18, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 278.4 μg/m3 (328) | 328.0 | |
| Sept. 18, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 831.0 μg/m3 (726) | 508.1 μg/m3 (505) | 726.0 | |
| Sept. 18, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 524.6 μg/m3 (516) | 516.0 | |
| Sept. 18, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 721.9 μg/m3 (648) | 648.0 | |
| Sept. 17, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1724.0 μg/m3 (1619) | 943.4 μg/m3 (795) | 1619.0 | |
| Sept. 17, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 912.6 μg/m3 (775) | 775.0 | |
| Sept. 17, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 828.6 μg/m3 (719) | 719.0 | |
| Sept. 17, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 636.0 μg/m3 (531) | 344.8 μg/m3 (394) | 531.0 | |
| Sept. 17, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 597.0 μg/m3 (492) | 324.2 μg/m3 (374) | 492.0 | |
| Sept. 17, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 712.0 μg/m3 (607) | 389.4 μg/m3 (426) | 607.0 | |
| Sept. 17, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 755.0 μg/m3 (650) | 413.8 μg/m3 (442) | 650.0 | |
| Sept. 17, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1187.0 μg/m3 (1082) | 629.6 μg/m3 (586) | 1082.0 | |
| Sept. 17, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1503.0 μg/m3 (1398) | 809.1 μg/m3 (706) | 1398.0 | |
| Sept. 17, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2075.0 μg/m3 (1970) | 1078.7 μg/m3 (885) | 1970.0 | |
| Sept. 17, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2160.0 μg/m3 (2055) | 1124.1 μg/m3 (916) | 2055.0 | |
| Sept. 17, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 979.0 μg/m3 (874) | 554.7 μg/m3 (536) | 874.0 | |
| Sept. 17, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 404.0 μg/m3 (270) | 255.2 μg/m3 (305) | 305.0 | |
| Sept. 17, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 297.0 μg/m3 (171) | 190.9 μg/m3 (240) | 240.0 | |
| Sept. 17, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 366.0 μg/m3 (216) | 234.0 μg/m3 (284) | 284.0 | |
| Sept. 17, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 716.0 μg/m3 (611) | 462.2 μg/m3 (474) | 611.0 | |
| Sept. 17, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1138.0 μg/m3 (1033) | 719.6 μg/m3 (646) | 1033.0 | |
| Sept. 17, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 597.4 μg/m3 (565) | 565.0 | |
| Sept. 17, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 641.7 μg/m3 (594) | 594.0 | |
| Sept. 17, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1594.0 μg/m3 (1489) | 954.6 μg/m3 (803) | 1489.0 | |
| Sept. 17, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1673.0 μg/m3 (1568) | 987.8 μg/m3 (825) | 1568.0 | |
| Sept. 17, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1025.8 μg/m3 (850) | 850.0 | |
| Sept. 17, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 724.4 μg/m3 (649) | 649.0 | |
| Sept. 17, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 757.0 μg/m3 (652) | 450.2 μg/m3 (466) | 652.0 | |
| Sept. 16, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 789.0 μg/m3 (684) | 459.2 μg/m3 (472) | 684.0 | |
| Sept. 16, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1083.0 μg/m3 (978) | 642.3 μg/m3 (595) | 978.0 | |
| Sept. 16, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 929.0 μg/m3 (824) | 535.4 μg/m3 (523) | 824.0 | |
| Sept. 16, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 841.0 μg/m3 (736) | 505.6 μg/m3 (503) | 736.0 | |
| Sept. 16, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 518.0 μg/m3 (413) | 284.3 μg/m3 (334) | 413.0 | |
| Sept. 16, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 736.0 μg/m3 (631) | 401.2 μg/m3 (434) | 631.0 | |
| Sept. 16, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 754.0 μg/m3 (649) | 414.8 μg/m3 (443) | 649.0 | |
| Sept. 16, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 605.0 μg/m3 (500) | 326.9 μg/m3 (376) | 500.0 | |
| Sept. 16, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 620.0 μg/m3 (515) | 341.4 μg/m3 (391) | 515.0 | |
| Sept. 16, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 683.0 μg/m3 (578) | 397.6 μg/m3 (431) | 578.0 | |
| Sept. 16, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 716.0 μg/m3 (611) | 427.9 μg/m3 (452) | 611.0 | |
| Sept. 16, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 999.0 μg/m3 (894) | 587.7 μg/m3 (558) | 894.0 | |
| Sept. 16, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1253.0 μg/m3 (1148) | 722.9 μg/m3 (648) | 1148.0 | |
| Sept. 16, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1488.0 μg/m3 (1383) | 850.5 μg/m3 (733) | 1383.0 | |
| Sept. 16, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1367.0 μg/m3 (1262) | 788.4 μg/m3 (692) | 1262.0 | |
| Sept. 16, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1304.0 μg/m3 (1199) | 761.5 μg/m3 (674) | 1199.0 | |
| Sept. 16, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1307.0 μg/m3 (1202) | 754.3 μg/m3 (669) | 1202.0 | |
| Sept. 16, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 814.4 μg/m3 (709) | 709.0 | |
| Sept. 16, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1712.0 μg/m3 (1607) | 987.6 μg/m3 (825) | 1607.0 | |
| Sept. 16, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1885.0 μg/m3 (1780) | 1070.8 μg/m3 (880) | 1780.0 | |
| Sept. 16, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1669.0 μg/m3 (1564) | 964.1 μg/m3 (809) | 1564.0 | |
| Sept. 16, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 697.5 μg/m3 (631) | 631.0 | |
| Sept. 16, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 692.8 μg/m3 (628) | 628.0 | |
| Sept. 16, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1962.0 μg/m3 (1857) | 1078.8 μg/m3 (886) | 1857.0 | |
| Sept. 15, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 15, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1532.0 μg/m3 (1427) | 846.6 μg/m3 (731) | 1427.0 | |
| Sept. 15, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1088.0 μg/m3 (983) | N/A | 983.0 | |
| Sept. 15, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 235.0 μg/m3 (140) | N/A | 140.0 | |
| Sept. 15, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 376.0 μg/m3 (230) | 211.4 μg/m3 (261) | 261.0 | |
| Sept. 15, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 393.0 μg/m3 (254) | 225.6 μg/m3 (275) | 275.0 | |
| Sept. 15, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 468.0 μg/m3 (354) | 269.5 μg/m3 (319) | 354.0 | |
| Sept. 15, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 697.0 μg/m3 (592) | 393.5 μg/m3 (429) | 592.0 | |
| Sept. 15, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 566.0 μg/m3 (461) | 326.6 μg/m3 (376) | 461.0 | |
| Sept. 15, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 590.0 μg/m3 (485) | 367.4 μg/m3 (411) | 485.0 | |
| Sept. 15, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 842.0 μg/m3 (737) | 519.3 μg/m3 (513) | 737.0 | |
| Sept. 15, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1124.0 μg/m3 (1019) | 670.2 μg/m3 (613) | 1019.0 | |
| Sept. 15, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1283.0 μg/m3 (1178) | 742.9 μg/m3 (662) | 1178.0 | |
| Sept. 15, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1072.0 μg/m3 (967) | 639.5 μg/m3 (593) | 967.0 | |
| Sept. 15, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 715.0 μg/m3 (610) | 450.5 μg/m3 (467) | 610.0 | |
| Sept. 15, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 718.0 μg/m3 (613) | 463.2 μg/m3 (475) | 613.0 | |
| Sept. 15, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1087.0 μg/m3 (982) | 669.1 μg/m3 (612) | 982.0 | |
| Sept. 15, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1674.0 μg/m3 (1569) | 976.2 μg/m3 (817) | 1569.0 | |
| Sept. 15, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1173.9 μg/m3 (949) | 949.0 | |
| Sept. 15, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2625.0 μg/m3 (2520) | 1370.9 μg/m3 (1080) | 2520.0 | |
| Sept. 15, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 2725.0 μg/m3 (2620) | 1397.3 μg/m3 (1098) | 2620.0 | |
| Sept. 15, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1250.1 μg/m3 (1000) | 1000.0 | |
| Sept. 15, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1056.4 μg/m3 (871) | 871.0 | |
| Sept. 15, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1027.0 μg/m3 (922) | 654.2 μg/m3 (602) | 922.0 | |
| Sept. 14, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 836.1 μg/m3 (724) | 724.0 | |
| Sept. 14, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 14, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 165.0 μg/m3 (105) | 101.2 μg/m3 (174) | 174.0 | |
| Sept. 14, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 222.0 μg/m3 (134) | 135.5 μg/m3 (192) | 192.0 | |
| Sept. 14, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 211.0 μg/m3 (128) | 131.1 μg/m3 (190) | 190.0 | |
| Sept. 14, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 263.0 μg/m3 (154) | 164.2 μg/m3 (214) | 214.0 | |
| Sept. 14, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 309.0 μg/m3 (177) | 191.7 μg/m3 (241) | 241.0 | |
| Sept. 14, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 315.0 μg/m3 (180) | 177.3 μg/m3 (227) | 227.0 | |
| Sept. 14, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 502.0 μg/m3 (396) | 283.8 μg/m3 (333) | 396.0 | |
| Sept. 14, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 725.0 μg/m3 (620) | 465.8 μg/m3 (477) | 620.0 | |
| Sept. 14, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 855.0 μg/m3 (750) | 550.6 μg/m3 (533) | 750.0 | |
| Sept. 14, 2020, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 553.0 μg/m3 (448) | 373.0 μg/m3 (415) | 448.0 | |
| Sept. 14, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 423.0 μg/m3 (297) | 291.8 μg/m3 (341) | 341.0 | |
| Sept. 14, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 480.0 μg/m3 (369) | 328.5 μg/m3 (378) | 378.0 | |
| Sept. 14, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 502.0 μg/m3 (396) | 343.1 μg/m3 (393) | 396.0 | |
| Sept. 14, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 455.0 μg/m3 (338) | 315.0 μg/m3 (364) | 364.0 | |
| Sept. 14, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 339.0 μg/m3 (192) | 235.5 μg/m3 (285) | 285.0 | |
| Sept. 14, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 336.0 μg/m3 (190) | 236.6 μg/m3 (286) | 286.0 | |
| Sept. 14, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 346.8 μg/m3 (396) | 396.0 | |
| Sept. 14, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 571.6 μg/m3 (547) | 547.0 | |
| Sept. 14, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1373.0 μg/m3 (1268) | 859.7 μg/m3 (739) | 1268.0 | |
| Sept. 14, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 771.3 μg/m3 (681) | 681.0 | |
| Sept. 14, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1543.0 μg/m3 (1438) | 933.7 μg/m3 (789) | 1438.0 | |
| Sept. 14, 2020, midnight | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1368.0 μg/m3 (1263) | 845.5 μg/m3 (730) | 1263.0 | |
| Sept. 13, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1225.0 μg/m3 (1120) | 768.6 μg/m3 (679) | 1120.0 | |
| Sept. 13, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1313.0 μg/m3 (1208) | 782.3 μg/m3 (688) | 1208.0 | |
| Sept. 13, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 941.0 μg/m3 (836) | 559.9 μg/m3 (540) | 836.0 | |
| Sept. 13, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 73.0 μg/m3 (59) | 35.6 μg/m3 (100) | 100.0 | |
| Sept. 13, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 258.0 μg/m3 (152) | 159.9 μg/m3 (209) | 209.0 | |
| Sept. 13, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 μg/m3 (29) | 16.3 μg/m3 (59) | 59.0 | |
| Sept. 13, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 μg/m3 (23) | 10.5 μg/m3 (44) | 44.0 | |
| Sept. 13, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 μg/m3 (27) | 13.7 μg/m3 (54) | 54.0 |