ID: 1456

AQSQID: 300530018

Site Name: Libby Courthouse

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

Updated: Jan. 21, 2022, 11:34 a.m.

Location: Libby (Minnesota Ave), MT

Reporting: True, Located: True

Current AQI: 63.0

Libby (Minnesota Ave) MT, US: 48.3841, -115.548

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 17.7 μg/m3 (63) 63.0
 
Jan. 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 11.2 μg/m3 (47) 47.0
 
Jan. 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 14.1 μg/m3 (56) 56.0
 
Jan. 21, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 25.5 μg/m3 (80) 80.0
 
Jan. 21, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 23.7 μg/m3 (76) 76.0
 
Jan. 21, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 25.7 μg/m3 (80) 80.0
 
Jan. 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 24.2 μg/m3 (77) 77.0
 
Jan. 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 18.8 μg/m3 (66) 66.0
 
Jan. 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 21.6 μg/m3 (71) 71.0
 
Jan. 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 15.7 μg/m3 (59) 59.0
 
Jan. 21, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 19.3 μg/m3 (67) 67.0
 
Jan. 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 15.5 μg/m3 (59) 59.0
 
Jan. 20, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 12.4 μg/m3 (52) 52.0
 
Jan. 20, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 20.3 μg/m3 (69) 69.0
 
Jan. 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 22.9 μg/m3 (74) 74.0
 
Jan. 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 20.6 μg/m3 (69) 69.0
 
Jan. 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 17.7 μg/m3 (63) 63.0
 
Jan. 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 21.9 μg/m3 (72) 72.0
 
Jan. 20, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 27.3 μg/m3 (83) 83.0
 
Jan. 20, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 15.7 μg/m3 (59) 59.0
 
Jan. 20, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 19.9 μg/m3 (68) 68.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 31.7 μg/m3 (93) 93.0
 
Jan. 20, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 40.0 μg/m3 (113) 113.0
 
Jan. 20, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 34.5 μg/m3 (99) 99.0
 
Jan. 20, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 40.8 μg/m3 (115) 115.0
 
Jan. 20, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 37.8 μg/m3 (107) 107.0
 
Jan. 20, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 48.1 μg/m3 (133) 133.0
 
Jan. 20, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 44.1 μg/m3 (123) 123.0
 
Jan. 20, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 25.0 μg/m3 (79) 79.0
 
Jan. 20, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 17.5 μg/m3 (63) 63.0
 
Jan. 20, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 23.5 μg/m3 (75) 75.0
 
Jan. 20, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 19.7 μg/m3 (67) 67.0
 
Jan. 19, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 17.5 μg/m3 (63) 63.0
 
Jan. 19, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -0.5 μg/m3 (0) 8.0
 
Jan. 19, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 8.9 μg/m3 (38) 38.0
 
Jan. 19, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Jan. 19, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 11.5 μg/m3 (48) 48.0
 
Jan. 19, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 16.8 μg/m3 (61) 61.0
 
Jan. 19, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 7.0 μg/m3 (30) 30.0
 
Jan. 19, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 6.6 μg/m3 (28) 28.0
 
Jan. 19, 2022, 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. 19, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 26.5 μg/m3 (82) 82.0
 
Jan. 19, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 22.3 μg/m3 (73) 73.0
 
Jan. 19, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 28.3 μg/m3 (86) 86.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 24.2 μg/m3 (77) 77.0
 
Jan. 19, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 31.2 μg/m3 (92) 92.0
 
Jan. 19, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 34.3 μg/m3 (98) 98.0
 
Jan. 19, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 33.3 μg/m3 (96) 96.0
 
Jan. 19, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 33.3 μg/m3 (96) 96.0
 
Jan. 19, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 27.8 μg/m3 (85) 85.0
 
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 29.0 μg/m3 (87) 87.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 20.9 μg/m3 (70) 70.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 25.3 μg/m3 (79) 79.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 21.3 μg/m3 (71) 71.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 16.1 μg/m3 (60) 60.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 20.6 μg/m3 (69) 69.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 19.4 μg/m3 (67) 67.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 16.8 μg/m3 (61) 61.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 12.2 μg/m3 (52) 52.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 12.5 μg/m3 (52) 52.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 17.3 μg/m3 (62) 62.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 27.5 μg/m3 (84) 84.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 33.5 μg/m3 (97) 97.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 40.9 μg/m3 (115) 115.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 36.8 μg/m3 (105) 105.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 30.9 μg/m3 (91) 91.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 29.5 μg/m3 (88) 88.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 26.9 μg/m3 (83) 83.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 23.5 μg/m3 (75) 75.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 22.3 μg/m3 (73) 73.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 23.5 μg/m3 (75) 75.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 24.8 μg/m3 (78) 78.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 23.4 μg/m3 (75) 75.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 24.3 μg/m3 (77) 77.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 35.6 μg/m3 (102) 102.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 31.1 μg/m3 (91) 91.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 36.8 μg/m3 (105) 105.0
 
Jan. 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 29.8 μg/m3 (89) 89.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 27.0 μg/m3 (83) 83.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 24.3 μg/m3 (77) 77.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 14.5 μg/m3 (57) 57.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 7.7 μg/m3 (33) 33.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 11.8 μg/m3 (50) 50.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 13.1 μg/m3 (54) 54.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 12.7 μg/m3 (53) 53.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 18.2 μg/m3 (64) 64.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 22.3 μg/m3 (73) 73.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.5 μg/m3 (32) 32.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.1 μg/m3 (26) 26.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 5.3 μg/m3 (23) 23.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 6.1 μg/m3 (26) 26.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 8.6 μg/m3 (36) 36.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.6 μg/m3 (3) 3.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 8.4 μg/m3 (36) 36.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 7.7 μg/m3 (33) 33.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.6 μg/m3 (20) 20.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.9 μg/m3 (21) 21.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 6.6 μg/m3 (28) 28.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.4 μg/m3 (2) 5.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 10.7 μg/m3 (45) 45.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.6 μg/m3 (49) 49.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 13.8 μg/m3 (55) 55.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 11.1 μg/m3 (47) 47.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.9 μg/m3 (21) 21.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 8.7 μg/m3 (37) 37.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 13.7 μg/m3 (55) 55.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.6 μg/m3 (49) 49.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) -1.6 μg/m3 (0) 13.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 18.9 μg/m3 (66) 66.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 19.4 μg/m3 (67) 67.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 23.5 μg/m3 (75) 75.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 31.5 μg/m3 (92) 92.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 26.8 μg/m3 (82) 82.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 27.9 μg/m3 (85) 85.0
 
Jan. 16, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 20.7 μg/m3 (70) 70.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 17.1 μg/m3 (62) 62.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.4 μg/m3 (6) 6.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.5 μg/m3 (11) 11.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) -0.5 μg/m3 (0) 4.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 5.8 μg/m3 (25) 25.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0 μg/m3 (9) 9.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.4 μg/m3 (19) 19.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 3.8 μg/m3 (16) 16.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.3 μg/m3 (18) 18.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.3 μg/m3 (23) 23.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 5.1 μg/m3 (22) 22.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 9.3 μg/m3 (39) 39.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 10.3 μg/m3 (43) 43.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 11.9 μg/m3 (50) 50.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.3 μg/m3 (31) 31.0
 
Jan. 15, 2022, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.5 μg/m3 (28) 28.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 5.2 μg/m3 (22) 22.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 5.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 5.9 μg/m3 (25) 25.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) -1.1 μg/m3 (0) 5.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -0.6 μg/m3 (0) 0.0
Jan. 14, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.1 μg/m3 (30) 30.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 14.6 μg/m3 (57) 57.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 15.5 μg/m3 (59) 59.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 11.1 μg/m3 (47) 47.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 12.1 μg/m3 (51) 51.0
 
Jan. 14, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 10.2 μg/m3 (43) 43.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 11.7 μg/m3 (49) 49.0