AQSQID: 060710027

Site Name: 60 Near Road

Location: Ontario (Ballou), CA

Reporting: True, Located: True

Current AQI: 27.0

Ontario (Ballou) CA, US: 34.0309, -117.617403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 27, 2020, 8 a.m. 29.3 ppb (27) 7.8 ppb (7) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 27.0
 
Jan. 27, 2020, 7 a.m. 32.3 ppb (30) 9.4 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 30.0
 
Jan. 27, 2020, 6 a.m. 42.2 ppb (39) 15.1 ppb (14) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 27, 2020, 5 a.m. 42.6 ppb (39) 14.2 ppb (13) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 27, 2020, 4 a.m. 28.6 ppb (26) 4.7 ppb (4) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 26.0
 
Jan. 27, 2020, 3 a.m. 46.2 ppb (43) 16.6 ppb (15) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 43.0
 
Jan. 27, 2020, 2 a.m. 44.4 ppb (41) 15.1 ppb (14) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 41.0
 
Jan. 27, 2020, 1 a.m. 38.7 ppb (36) 12.4 ppb (11) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 27, 2020, midnight 34.2 ppb (32) 11.1 ppb (10) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 26, 2020, 11 p.m. 31.9 ppb (30) 12.0 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 30.0
 
Jan. 26, 2020, 10 p.m. 28.3 ppb (26) 10.9 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 26.0
 
Jan. 26, 2020, 9 p.m. 25.8 ppb (24) 10.2 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 26, 2020, 8 p.m. 29.4 ppb (27) 12.5 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 27.0
 
Jan. 26, 2020, 7 p.m. 45.4 ppb (42) 25.5 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 42.0
 
Jan. 26, 2020, 6 p.m. 40.2 ppb (37) 21.7 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 26, 2020, 5 p.m. 31.3 ppb (29) 14.8 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 29.0
 
Jan. 26, 2020, 4 p.m. 39.9 ppb (37) 20.7 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 37.0
 
Jan. 26, 2020, 3 p.m. 21.8 ppb (20) 3.5 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 20.0
 
Jan. 26, 2020, 2 p.m. 16.1 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A N/A N/A N/A 15.0
 
Jan. 26, 2020, 1 p.m. 18.6 ppb (17) 4.7 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 17.0
 
Jan. 26, 2020, noon 14.1 ppb (13) 0.5 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 13.0
 
Jan. 26, 2020, 11 a.m. 20.4 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 26, 2020, 10 a.m. 23.1 ppb (21) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 26, 2020, 9 a.m. 47.2 ppb (44) 20.2 ppb (19) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 44.0
 
Jan. 26, 2020, 8 a.m. 46.5 ppb (43) 19.9 ppb (18) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 43.0
 
Jan. 26, 2020, 7 a.m. 41.9 ppb (39) 15.1 ppb (14) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 26, 2020, 6 a.m. 27.5 ppb (25) 1.7 ppb (2) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 25.0
 
Jan. 26, 2020, 5 a.m. 33.2 ppb (31) 5.9 ppb (5) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 26, 2020, 4 a.m. 33.9 ppb (31) 8.3 ppb (8) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 31.0
 
Jan. 26, 2020, 3 a.m. 44.4 ppb (41) 16.8 ppb (16) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 41.0
 
Jan. 26, 2020, 2 a.m. 53.6 ppb (50) 18.9 ppb (18) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 50.0
 
Jan. 26, 2020, 1 a.m. 42.8 ppb (40) 8.6 ppb (8) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 40.0
 
Jan. 26, 2020, midnight 30.5 ppb (28) 5.7 ppb (5) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 28.0
 
Jan. 25, 2020, 11 p.m. 61.8 ppb (58) 28.9 ppb (27) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 58.0
 
Jan. 25, 2020, 10 p.m. 32.7 ppb (30) 10.4 ppb (10) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 30.0
 
Jan. 25, 2020, 9 p.m. 23.9 ppb (22) 7.1 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 22.0
 
Jan. 25, 2020, 8 p.m. 36.4 ppb (34) 13.4 ppb (12) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 34.0
 
Jan. 25, 2020, 7 p.m. 69.0 ppb (66) 35.6 ppb (33) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 66.0
 
Jan. 25, 2020, 6 p.m. 75.0 ppb (72) 41.7 ppb (39) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 72.0
 
Jan. 25, 2020, 5 p.m. 57.5 ppb (54) 28.3 ppb (26) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 54.0
 
Jan. 25, 2020, 4 p.m. 93.0 ppb (91) 57.7 ppb (54) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 91.0
 
Jan. 25, 2020, 3 p.m. 117.3 ppb (103) 85.2 ppb (83) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 103.0
 
Jan. 25, 2020, 2 p.m. 113.9 ppb (102) 81.0 ppb (79) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 25, 2020, 1 p.m. 125.8 ppb (105) 87.3 ppb (85) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 105.0
 
Jan. 25, 2020, noon 89.6 ppb (88) 54.1 ppb (50) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 88.0
 
Jan. 25, 2020, 11 a.m. 67.4 ppb (64) 34.6 ppb (32) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 64.0
 
Jan. 25, 2020, 10 a.m. 83.8 ppb (82) 50.6 ppb (47) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 82.0
 
Jan. 25, 2020, 9 a.m. 118.8 ppb (103) 82.2 ppb (80) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 103.0
 
Jan. 25, 2020, 8 a.m. 96.4 ppb (95) 57.2 ppb (53) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 95.0
 
Jan. 25, 2020, 7 a.m. 60.2 ppb (57) 20.6 ppb (19) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 57.0
 
Jan. 25, 2020, 6 a.m. 86.9 ppb (85) 44.7 ppb (41) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 85.0
 
Jan. 25, 2020, 5 a.m. 83.4 ppb (81) 39.3 ppb (36) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 81.0
 
Jan. 25, 2020, 4 a.m. 54.6 ppb (51) 12.2 ppb (11) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 51.0
 
Jan. 25, 2020, 3 a.m. 49.3 ppb (46) 7.8 ppb (7) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 46.0
 
Jan. 25, 2020, 2 a.m. 63.9 ppb (61) 19.0 ppb (18) N/A 45.0 ppb (42) N/A N/A N/A N/A N/A N/A 61.0
 
Jan. 25, 2020, 1 a.m. 89.2 ppb (87) 42.5 ppb (39) N/A 47.0 ppb (44) N/A N/A N/A N/A N/A N/A 87.0
 
Jan. 25, 2020, midnight 87.1 ppb (85) 40.7 ppb (38) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 85.0
 
Jan. 24, 2020, 11 p.m. 74.5 ppb (72) 33.8 ppb (31) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 72.0
 
Jan. 24, 2020, 10 p.m. 69.9 ppb (67) 32.5 ppb (30) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 67.0
 
Jan. 24, 2020, 9 p.m. 72.4 ppb (70) 36.3 ppb (34) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 70.0
 
Jan. 24, 2020, 8 p.m. 92.3 ppb (91) 52.2 ppb (48) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 91.0
 
Jan. 24, 2020, 7 p.m. 105.3 ppb (101) 64.8 ppb (61) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 24, 2020, 6 p.m. 168.3 ppb (113) 118.5 ppb (103) N/A 50.0 ppb (46) N/A N/A N/A N/A N/A N/A 113.0
 
Jan. 24, 2020, 5 p.m. 265.3 ppb (132) 204.4 ppb (120) N/A 61.0 ppb (57) N/A N/A N/A N/A N/A N/A 132.0
 
Jan. 24, 2020, 4 p.m. 222.4 ppb (123) 171.0 ppb (113) N/A 51.0 ppb (47) N/A N/A N/A N/A N/A N/A 123.0
 
Jan. 24, 2020, 3 p.m. 215.9 ppb (122) 173.1 ppb (114) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A N/A 122.0
 
Jan. 24, 2020, 2 p.m. 220.5 ppb (123) 176.1 ppb (114) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 123.0
 
Jan. 24, 2020, 1 p.m. 153.4 ppb (110) 114.0 ppb (102) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 110.0
 
Jan. 24, 2020, noon 126.4 ppb (105) 85.9 ppb (84) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 105.0
 
Jan. 24, 2020, 11 a.m. 70.1 ppb (67) 39.5 ppb (37) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 67.0
 
Jan. 24, 2020, 10 a.m. 67.5 ppb (64) 35.2 ppb (33) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 64.0
 
Jan. 24, 2020, 9 a.m. 78.3 ppb (76) 43.4 ppb (40) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 76.0
 
Jan. 24, 2020, 8 a.m. 87.5 ppb (86) 47.2 ppb (44) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 86.0
 
Jan. 24, 2020, 7 a.m. 109.2 ppb (102) 66.8 ppb (64) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 24, 2020, 6 a.m. 113.3 ppb (102) 74.9 ppb (72) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 24, 2020, 5 a.m. 90.0 ppb (88) 49.3 ppb (46) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 88.0
 
Jan. 24, 2020, 4 a.m. 79.5 ppb (77) 35.8 ppb (33) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 77.0
 
Jan. 24, 2020, 3 a.m. 63.3 ppb (60) 18.9 ppb (18) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 60.0
 
Jan. 24, 2020, 2 a.m. 36.9 ppb (34) 4.7 ppb (4) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 34.0
 
Jan. 24, 2020, 1 a.m. 46.5 ppb (43) 16.3 ppb (15) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 43.0
 
Jan. 24, 2020, midnight 47.0 ppb (44) 17.7 ppb (16) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 44.0
 
Jan. 23, 2020, 11 p.m. 43.0 ppb (40) 16.7 ppb (15) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 40.0
 
Jan. 23, 2020, 10 p.m. 22.3 ppb (21) 8.0 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 23, 2020, 9 p.m. 70.7 ppb (68) 37.6 ppb (35) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 68.0
 
Jan. 23, 2020, 8 p.m. 86.1 ppb (84) 46.3 ppb (43) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 23, 2020, 7 p.m. 85.8 ppb (84) 47.4 ppb (44) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 23, 2020, 6 p.m. 105.3 ppb (101) 65.2 ppb (62) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 23, 2020, 5 p.m. 99.5 ppb (98) 62.0 ppb (59) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 98.0
 
Jan. 23, 2020, 4 p.m. 106.3 ppb (101) 70.7 ppb (68) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 23, 2020, 3 p.m. 154.7 ppb (110) 121.7 ppb (104) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 110.0
 
Jan. 23, 2020, 2 p.m. 157.2 ppb (111) 122.1 ppb (104) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 111.0
 
Jan. 23, 2020, 1 p.m. 84.9 ppb (83) 53.9 ppb (50) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 83.0
 
Jan. 23, 2020, noon 130.6 ppb (106) 93.9 ppb (92) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 106.0
 
Jan. 23, 2020, 11 a.m. 162.8 ppb (112) 125.5 ppb (105) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 112.0
 
Jan. 23, 2020, 10 a.m. 107.2 ppb (101) 73.2 ppb (70) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 23, 2020, 9 a.m. 90.1 ppb (88) 59.5 ppb (56) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 88.0
 
Jan. 23, 2020, 8 a.m. 86.5 ppb (85) 54.0 ppb (50) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 85.0
 
Jan. 23, 2020, 7 a.m. 90.8 ppb (89) 57.4 ppb (54) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 89.0
 
Jan. 23, 2020, 6 a.m. 85.8 ppb (84) 49.9 ppb (46) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 23, 2020, 5 a.m. 85.9 ppb (84) 46.4 ppb (43) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 23, 2020, 4 a.m. 81.4 ppb (79) 41.3 ppb (38) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 79.0
 
Jan. 23, 2020, 3 a.m. 85.5 ppb (84) 44.1 ppb (41) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 23, 2020, 2 a.m. 34.4 ppb (32) 5.2 ppb (5) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 32.0
 
Jan. 23, 2020, 1 a.m. 49.4 ppb (46) 20.7 ppb (19) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 46.0
 
Jan. 23, 2020, midnight 50.4 ppb (47) 22.4 ppb (21) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 47.0
 
Jan. 22, 2020, 11 p.m. 55.4 ppb (51) 25.9 ppb (24) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 51.0
 
Jan. 22, 2020, 10 p.m. 56.5 ppb (53) 28.1 ppb (26) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 53.0
 
Jan. 22, 2020, 9 p.m. 38.9 ppb (36) 19.3 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 22, 2020, 8 p.m. 20.0 ppb (19) 7.5 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 19.0
 
Jan. 22, 2020, 7 p.m. 41.9 ppb (39) 20.8 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 22, 2020, 6 p.m. 89.1 ppb (87) 52.6 ppb (49) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 87.0
 
Jan. 22, 2020, 5 p.m. 66.0 ppb (63) 38.0 ppb (35) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 63.0
 
Jan. 22, 2020, 4 p.m. 109.0 ppb (102) 74.0 ppb (71) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 22, 2020, 3 p.m. 110.5 ppb (102) 76.7 ppb (74) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 22, 2020, 2 p.m. 87.6 ppb (86) 54.3 ppb (50) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 86.0
 
Jan. 22, 2020, 1 p.m. 97.0 ppb (96) 65.2 ppb (62) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 96.0
 
Jan. 22, 2020, noon 86.6 ppb (85) 54.3 ppb (50) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 85.0
 
Jan. 22, 2020, 11 a.m. 69.6 ppb (67) 38.3 ppb (35) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 67.0
 
Jan. 22, 2020, 10 a.m. 51.3 ppb (48) 23.8 ppb (22) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 48.0
 
Jan. 22, 2020, 9 a.m. 16.7 ppb (15) 2.8 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A N/A N/A N/A 15.0
 
Jan. 22, 2020, 8 a.m. 22.3 ppb (21) 1.9 ppb (2) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 22, 2020, 7 a.m. 45.1 ppb (42) 16.0 ppb (15) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 42.0
 
Jan. 22, 2020, 6 a.m. 42.3 ppb (39) 14.6 ppb (14) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 39.0
 
Jan. 22, 2020, 5 a.m. 62.3 ppb (59) 27.4 ppb (25) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 59.0
 
Jan. 22, 2020, 4 a.m. 59.4 ppb (56) 26.7 ppb (25) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 56.0
 
Jan. 22, 2020, 3 a.m. 53.0 ppb (49) 21.9 ppb (20) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 49.0
 
Jan. 22, 2020, 2 a.m. 64.3 ppb (61) 31.2 ppb (29) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 61.0
 
Jan. 22, 2020, 1 a.m. 78.9 ppb (76) 42.1 ppb (39) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 76.0
 
Jan. 22, 2020, midnight 76.2 ppb (74) 39.6 ppb (37) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 74.0
 
Jan. 21, 2020, 11 p.m. 89.3 ppb (88) 49.2 ppb (46) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 88.0
 
Jan. 21, 2020, 10 p.m. 80.6 ppb (78) 40.9 ppb (38) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 78.0
 
Jan. 21, 2020, 9 p.m. 85.3 ppb (83) 43.5 ppb (40) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 83.0
 
Jan. 21, 2020, 8 p.m. 80.1 ppb (78) 42.8 ppb (40) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 78.0
 
Jan. 21, 2020, 7 p.m. 93.3 ppb (92) 54.0 ppb (50) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 92.0
 
Jan. 21, 2020, 6 p.m. 115.8 ppb (103) 75.2 ppb (73) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 103.0
 
Jan. 21, 2020, 5 p.m. 113.8 ppb (102) 73.8 ppb (71) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 102.0
 
Jan. 21, 2020, 4 p.m. 97.6 ppb (96) 60.1 ppb (56) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 96.0
 
Jan. 21, 2020, 3 p.m. 96.6 ppb (95) 60.6 ppb (57) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 95.0
 
Jan. 21, 2020, 2 p.m. 92.1 ppb (91) 57.4 ppb (54) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 91.0
 
Jan. 21, 2020, 1 p.m. 82.8 ppb (81) 48.0 ppb (44) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 81.0
 
Jan. 21, 2020, noon 86.0 ppb (84) 49.7 ppb (46) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 84.0
 
Jan. 21, 2020, 11 a.m. 50.0 ppb (46) 23.2 ppb (21) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 46.0
 
Jan. 21, 2020, 10 a.m. 23.0 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 21, 2020, 9 a.m. 8.9 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 8.0
 
Jan. 21, 2020, 8 a.m. 16.1 ppb (15) 3.7 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 15.0
 
Jan. 21, 2020, 7 a.m. 48.1 ppb (45) 17.9 ppb (17) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 45.0
 
Jan. 21, 2020, 6 a.m. 28.4 ppb (26) 4.7 ppb (4) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 26.0
 
Jan. 21, 2020, 5 a.m. 25.4 ppb (24) 4.1 ppb (4) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 24.0
 
Jan. 21, 2020, 4 a.m. 64.4 ppb (61) 29.4 ppb (27) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 61.0
 
Jan. 21, 2020, 3 a.m. 79.5 ppb (77) 42.2 ppb (39) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 77.0
 
Jan. 21, 2020, 2 a.m. 95.6 ppb (94) 54.7 ppb (51) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 94.0
 
Jan. 21, 2020, 1 a.m. 105.8 ppb (101) 61.6 ppb (58) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 101.0
 
Jan. 21, 2020, midnight 73.8 ppb (71) 33.5 ppb (31) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 71.0
 
Jan. 20, 2020, 11 p.m. 49.2 ppb (46) 15.6 ppb (14) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 46.0
 
Jan. 20, 2020, 10 p.m. 79.0 ppb (77) 40.5 ppb (38) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 77.0
 
Jan. 20, 2020, 9 p.m. 97.0 ppb (96) 57.3 ppb (54) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 96.0
 
Jan. 20, 2020, 8 p.m. 79.6 ppb (77) 41.8 ppb (39) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 77.0
 
Jan. 20, 2020, 7 p.m. 38.6 ppb (36) 14.1 ppb (13) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 36.0
 
Jan. 20, 2020, 6 p.m. 96.6 ppb (95) 58.8 ppb (55) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 95.0
 
Jan. 20, 2020, 5 p.m. 88.2 ppb (86) 52.5 ppb (49) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 86.0
 
Jan. 20, 2020, 4 p.m. 99.8 ppb (99) 61.5 ppb (58) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 99.0
 
Jan. 20, 2020, 3 p.m. 150.4 ppb (110) 109.9 ppb (102) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 110.0
 
Jan. 20, 2020, 2 p.m. 137.3 ppb (107) 98.2 ppb (97) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 107.0
 
Jan. 20, 2020, 1 p.m. 177.3 ppb (115) 132.8 ppb (106) N/A 45.0 ppb (42) N/A N/A N/A N/A N/A N/A 115.0
 
Jan. 20, 2020, noon 135.8 ppb (107) 93.5 ppb (92) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 107.0
 
Jan. 20, 2020, 11 a.m. 90.5 ppb (89) 52.5 ppb (49) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 89.0
 
Jan. 20, 2020, 10 a.m. 64.4 ppb (61) 26.6 ppb (25) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 61.0
 
Jan. 20, 2020, 9 a.m. 64.0 ppb (61) 25.4 ppb (24) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 61.0