ID: 1296

AQSQID: 000090502

Site Name: Lethbridge

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

Updated: Sept. 19, 2020, 3:39 p.m.

Location: Lethbridge (12 Ave N), CC

Reporting: True, Located: True

Current AQI: 151.0

Lethbridge (12 Ave N) CC, CA: 49.7164, -112.8006

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 56.8 μg/m3 (151) 151.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 63.5 μg/m3 (154) 154.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 64.9 μg/m3 (155) 155.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (153) 153.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 51.0 μg/m3 (139) 139.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 40.9 μg/m3 (114) 114.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 36.1 μg/m3 (102) 102.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 36.3 μg/m3 (102) 102.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 43.7 μg/m3 (120) 120.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 44.1 μg/m3 (122) 122.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 39.0 μg/m3 (109) 109.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 37.2 μg/m3 (104) 104.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 36.0 μg/m3 (101) 101.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 32.8 μg/m3 (94) 94.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 34.0 μg/m3 (97) 97.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 32.6 μg/m3 (94) 94.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 24.3 μg/m3 (76) 76.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 23.3 μg/m3 (74) 74.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 24.5 μg/m3 (77) 77.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 25.7 μg/m3 (79) 79.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 27.8 μg/m3 (84) 84.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 25.9 μg/m3 (80) 80.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 25.5 μg/m3 (79) 79.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (78) 78.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 25.7 μg/m3 (79) 79.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 26.7 μg/m3 (81) 81.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 25.3 μg/m3 (78) 78.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 25.4 μg/m3 (79) 79.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 30.7 μg/m3 (90) 90.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 31.6 μg/m3 (92) 92.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 31.9 μg/m3 (92) 92.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 30.4 μg/m3 (89) 89.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 29.4 μg/m3 (87) 87.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 27.5 μg/m3 (83) 83.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 22.7 μg/m3 (73) 73.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 21.2 μg/m3 (70) 70.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 20.3 μg/m3 (68) 68.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 19.9 μg/m3 (67) 67.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 21.5 μg/m3 (70) 70.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 21.9 μg/m3 (71) 71.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 19.9 μg/m3 (67) 67.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (69) 69.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 20.1 μg/m3 (67) 67.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 22.9 μg/m3 (73) 73.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 26.2 μg/m3 (80) 80.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 25.6 μg/m3 (79) 79.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 28.4 μg/m3 (85) 85.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 38.4 μg/m3 (107) 107.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 42.6 μg/m3 (118) 118.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 28.6 μg/m3 (85) 85.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 24.7 μg/m3 (77) 77.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 24.4 μg/m3 (76) 76.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 20.4 μg/m3 (68) 68.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 24.8 μg/m3 (77) 77.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 25.4 μg/m3 (79) 79.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 26.3 μg/m3 (80) 80.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 24.4 μg/m3 (76) 76.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (80) 80.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 26.9 μg/m3 (82) 82.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 27.0 μg/m3 (82) 82.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 22.8 μg/m3 (73) 73.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 20.3 μg/m3 (68) 68.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 21.3 μg/m3 (70) 70.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 17.8 μg/m3 (62) 62.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 16.1 μg/m3 (59) 59.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 18.7 μg/m3 (64) 64.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 14, 2020, 10 a.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. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 48.6 μg/m3 (133) 133.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 31.8 μg/m3 (92) 92.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 18.4 μg/m3 (64) 64.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 33.5 μg/m3 (96) 96.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 37.0 μg/m3 (104) 104.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.6 μg/m3 (7) 21.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.3 μg/m3 (14) 24.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 4.2 μg/m3 (18) 28.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 3.6 μg/m3 (15) 27.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 2.7 μg/m3 (11) 25.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.2 μg/m3 (9) 23.0
 
Sept. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.8 μg/m3 (8) 21.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.6 μg/m3 (7) 19.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 1.4 μg/m3 (6) 17.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.3 μg/m3 (10) 14.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0