AQSQID: 300530018

Site Name: Libby Courthouse

Location: Libby, MT

Reporting: True, Located: True

Current AQI: 22.0

Libby MT, US: 48.3841, -115.548

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.2 μg/m3 (22) 22.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.7 μg/m3 (15) 15.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 23.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 19.6 μg/m3 (66) 66.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 24.3 μg/m3 (76) 76.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 16.4 μg/m3 (59) 59.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 16.8 μg/m3 (60) 60.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 22.7 μg/m3 (73) 73.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (24) 24.9 μg/m3 (77) 77.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 22.1 μg/m3 (71) 71.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 14.5 μg/m3 (55) 55.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.8 μg/m3 (52) 52.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 17.9 μg/m3 (63) 63.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 26.5 μg/m3 (81) 81.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 19.4 μg/m3 (66) 66.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.3 μg/m3 (5) 16.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 18.5 μg/m3 (64) 64.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 23.4 μg/m3 (74) 74.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 20.2 μg/m3 (67) 67.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 18.0 μg/m3 (63) 63.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 19.1 μg/m3 (65) 65.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) 29.5 μg/m3 (87) 87.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 36.9 μg/m3 (104) 104.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 30.9 μg/m3 (90) 90.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (31) 31.2 μg/m3 (91) 91.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 38.2 μg/m3 (107) 107.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (38) 43.8 μg/m3 (121) 121.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (48) 49.6 μg/m3 (135) 135.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 51.0 μg/m3 (139) 139.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 37.8 μg/m3 (106) 106.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 27.2 μg/m3 (82) 82.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 28.0 μg/m3 (84) 84.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 13.6 μg/m3 (53) 53.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 14.4 μg/m3 (55) 55.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 18.2 μg/m3 (63) 63.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 27.7 μg/m3 (83) 83.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 23.9 μg/m3 (75) 75.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 16.8 μg/m3 (60) 60.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 18.3 μg/m3 (63) 63.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (23) 23.8 μg/m3 (75) 75.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 31.5 μg/m3 (91) 91.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 48.6 μg/m3 (133) 133.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 49.4 μg/m3 (135) 135.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 43.6 μg/m3 (120) 120.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 41.7 μg/m3 (116) 116.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (41) 38.3 μg/m3 (107) 107.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (42) 44.1 μg/m3 (122) 122.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (44) 45.0 μg/m3 (124) 124.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 40.0 μg/m3 (111) 111.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (33) 32.4 μg/m3 (93) 93.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 27.1 μg/m3 (82) 82.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 21.3 μg/m3 (70) 70.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 12.5 μg/m3 (51) 51.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 10.1 μg/m3 (42) 42.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 11.2 μg/m3 (47) 47.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 18.8 μg/m3 (64) 64.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 12.8 μg/m3 (52) 52.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 10.4 μg/m3 (43) 43.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 14.5 μg/m3 (55) 55.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 17.2 μg/m3 (61) 61.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 29.1 μg/m3 (86) 86.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (35) 29.7 μg/m3 (88) 88.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 19.7 μg/m3 (66) 66.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 15.4 μg/m3 (57) 57.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 18.9 μg/m3 (65) 65.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 22.0 μg/m3 (71) 71.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 22.2 μg/m3 (72) 72.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 22.3 μg/m3 (72) 72.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (62) 27.4 μg/m3 (83) 83.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 8.4 μg/m3 (35) 36.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) -2.3 μg/m3 (0) 14.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 0.9 μg/m3 (4) 12.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -2.9 μg/m3 (0) 4.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (26) 25.1 μg/m3 (78) 78.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 12.7 μg/m3 (51) 51.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 15.4 μg/m3 (57) 57.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 4.1 μg/m3 (17) 20.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 1.0 μg/m3 (4) 12.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 0.5 μg/m3 (2) 13.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.7 μg/m3 (11) 16.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 0.7 μg/m3 (3) 10.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 3.9 μg/m3 (16) 16.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 0.4 μg/m3 (2) 5.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.8 μg/m3 (20) 20.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.2 μg/m3 (26) 26.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (5) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.1 μg/m3 (38) 38.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 5.2 μg/m3 (22) 22.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 6.3 μg/m3 (26) 26.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 1.7 μg/m3 (7) 15.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 19.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 2.4 μg/m3 (10) 16.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 0.1 μg/m3 (0) 15.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.6 μg/m3 (7) 16.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 2.4 μg/m3 (10) 15.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 1.4 μg/m3 (6) 8.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 2.1 μg/m3 (9) 9.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 13.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.6 μg/m3 (7) 7.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.6 μg/m3 (11) 11.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.8 μg/m3 (8) 8.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.7 μg/m3 (20) 20.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 5.2 μg/m3 (22) 22.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 20.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 6.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 1.7 μg/m3 (7) 10.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.4 μg/m3 (18) 18.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 7.7 μg/m3 (32) 32.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.5 μg/m3 (27) 27.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 10.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 7.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.5 μg/m3 (10) 10.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) -0.2 μg/m3 (0) 6.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.3 μg/m3 (22) 22.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 10.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.6 μg/m3 (19) 19.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) 5.5 μg/m3 (23) 23.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.9 μg/m3 (4) 4.0