ID: 1270

AQSQID: 530710005

Site Name: Walla Walla-12th St

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 28, 2020, 9:39 a.m.

Location: Walla Walla (W Birch St), WA

Reporting: True, Located: True

Current AQI: 67.0

Walla Walla (W Birch St) WA, US: 46.0588, -118.3514

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 203.7 μg/m3 (253) 253.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 208.6 μg/m3 (258) 258.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 210.1 μg/m3 (260) 260.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 218.3 μg/m3 (268) 268.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 230.0 μg/m3 (280) 280.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 234.9 μg/m3 (284) 284.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 238.5 μg/m3 (288) 288.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 243.2 μg/m3 (293) 293.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 241.7 μg/m3 (291) 291.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 239.8 μg/m3 (289) 289.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 239.4 μg/m3 (289) 289.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 240.1 μg/m3 (290) 290.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 222.7 μg/m3 (272) 272.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 210.1 μg/m3 (260) 260.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 202.2 μg/m3 (252) 252.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 185.7 μg/m3 (235) 235.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 190.9 μg/m3 (240) 240.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 198.0 μg/m3 (248) 248.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 217.8 μg/m3 (267) 267.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 238.8 μg/m3 (288) 288.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 259.2 μg/m3 (309) 309.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 272.9 μg/m3 (322) 322.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 282.6 μg/m3 (332) 332.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 290.3 μg/m3 (340) 340.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 292.1 μg/m3 (342) 342.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 292.0 μg/m3 (342) 342.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 299.2 μg/m3 (349) 349.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 307.5 μg/m3 (357) 357.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 312.5 μg/m3 (362) 362.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 318.1 μg/m3 (368) 368.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 339.1 μg/m3 (389) 389.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 359.4 μg/m3 (406) 406.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 364.5 μg/m3 (409) 409.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 377.4 μg/m3 (418) 418.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 361.6 μg/m3 (407) 407.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 351.0 μg/m3 (400) 400.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 359.6 μg/m3 (406) 406.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 368.0 μg/m3 (412) 412.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 386.6 μg/m3 (424) 424.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 386.5 μg/m3 (424) 424.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 393.8 μg/m3 (429) 429.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 396.5 μg/m3 (431) 431.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 398.5 μg/m3 (432) 432.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 390.9 μg/m3 (427) 427.0
 
Sept. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 404.8 μg/m3 (436) 436.0
 
Sept. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 407.9 μg/m3 (438) 438.0
 
Sept. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 407.4 μg/m3 (438) 438.0
 
Sept. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 422.0 μg/m3 (448) 448.0
 
Sept. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 376.3 μg/m3 (417) 417.0
 
Sept. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 412.6 μg/m3 (441) 441.0
 
Sept. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 428.2 μg/m3 (452) 452.0
 
Sept. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 429.8 μg/m3 (453) 453.0
 
Sept. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 432.9 μg/m3 (455) 455.0
 
Sept. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 436.6 μg/m3 (457) 457.0
 
Sept. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 387.2 μg/m3 (424) 424.0
 
Sept. 12, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 327.4 μg/m3 (377) 377.0
 
Sept. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 316.1 μg/m3 (366) 366.0
 
Sept. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 203.9 μg/m3 (253) 253.0
 
Sept. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 74.3 μg/m3 (160) 160.0
 
Sept. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.5 μg/m3 (96) 96.0
 
Sept. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (79) 79.0
 
Sept. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (78) 78.0
 
Sept. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (78) 78.0
 
Sept. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (77) 77.0
 
Sept. 11, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (77) 77.0
 
Sept. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (77) 77.0
 
Sept. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (78) 78.0
 
Sept. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (79) 79.0
 
Sept. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (80) 80.0
 
Sept. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (81) 81.0
 
Sept. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (81) 81.0
 
Sept. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (83) 83.0
 
Sept. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (86) 86.0
 
Sept. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (93) 93.0
 
Sept. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (85) 85.0
 
Sept. 11, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.4 μg/m3 (81) 81.0
 
Sept. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (83) 83.0
 
Sept. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (77) 77.0
 
Sept. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (66) 66.0
 
Sept. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (65) 65.0
 
Sept. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (73) 73.0
 
Sept. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (74) 74.0
 
Sept. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 10, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 10, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (79) 79.0
 
Sept. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (99) 99.0
 
Sept. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (106) 106.0
 
Sept. 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.1 μg/m3 (93) 93.0
 
Sept. 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.7 μg/m3 (90) 90.0
 
Sept. 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.4 μg/m3 (83) 83.0
 
Sept. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (75) 75.0
 
Sept. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (60) 60.0
 
Sept. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 9, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 8, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.2 μg/m3 (91) 91.0
 
Sept. 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 8, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (38) 38.0