AQSQID: 060710027

Site Name: 60 Near Road

Location: Ontario, CA

Reporting: True, Located: True

Current AQI: 11.0

Ontario CA, US: 34.0309, -117.617403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 8 p.m. 12.0 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 11.0
 
March 20, 2019, 7 p.m. 44.0 ppb (41) 19.5 ppb (18) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 41.0
 
March 20, 2019, 6 p.m. 62.1 ppb (59) 30.4 ppb (28) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 59.0
 
March 20, 2019, 5 p.m. 71.4 ppb (69) 38.4 ppb (36) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 69.0
 
March 20, 2019, 4 p.m. 106.2 ppb (101) 64.1 ppb (61) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 101.0
 
March 20, 2019, 3 p.m. 124.0 ppb (104) 78.6 ppb (76) N/A 45.0 ppb (42) N/A N/A N/A N/A N/A N/A 104.0
 
March 20, 2019, 2 p.m. 35.4 ppb (33) 10.3 ppb (10) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 33.0
 
March 20, 2019, 1 p.m. 39.8 ppb (37) 14.9 ppb (14) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 37.0
 
March 20, 2019, noon 94.8 ppb (93) 56.0 ppb (52) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 93.0
 
March 20, 2019, 11 a.m. 77.1 ppb (75) 39.4 ppb (36) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 75.0
 
March 20, 2019, 10 a.m. 40.2 ppb (37) 13.1 ppb (12) N/A 27.0 ppb (25) N/A N/A N/A N/A N/A N/A 37.0
 
March 20, 2019, 9 a.m. 2.5 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 20, 2019, 8 a.m. 9.5 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
March 20, 2019, 7 a.m. 29.6 ppb (27) 7.8 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 27.0
 
March 20, 2019, 6 a.m. 25.2 ppb (23) 6.2 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 23.0
 
March 20, 2019, 5 a.m. 29.3 ppb (27) 8.8 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 27.0
 
March 20, 2019, 4 a.m. 26.5 ppb (25) 8.1 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 25.0
 
March 20, 2019, 3 a.m. 36.2 ppb (34) 12.0 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 34.0
 
March 20, 2019, 2 a.m. 18.7 ppb (17) 3.9 ppb (4) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 17.0
 
March 20, 2019, 1 a.m. 37.6 ppb (35) 12.1 ppb (11) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 35.0
 
March 20, 2019, midnight 52.1 ppb (48) 20.3 ppb (19) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 48.0
 
March 19, 2019, 11 p.m. 50.9 ppb (47) 18.7 ppb (17) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 47.0
 
March 19, 2019, 10 p.m. 51.5 ppb (48) 18.9 ppb (18) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 48.0
 
March 19, 2019, 9 p.m. 50.6 ppb (47) 19.2 ppb (18) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 47.0
 
March 19, 2019, 8 p.m. 69.4 ppb (66) 28.3 ppb (26) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 66.0
 
March 19, 2019, 7 p.m. 81.2 ppb (79) 35.1 ppb (32) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 79.0
 
March 19, 2019, 6 p.m. 88.3 ppb (86) 41.3 ppb (38) N/A 47.0 ppb (44) N/A N/A N/A N/A N/A N/A 86.0
 
March 19, 2019, 5 p.m. 100.9 ppb (100) 51.1 ppb (47) N/A 50.0 ppb (46) N/A N/A N/A N/A N/A N/A 100.0
 
March 19, 2019, 4 p.m. 126.2 ppb (105) 75.7 ppb (73) N/A 51.0 ppb (47) N/A N/A N/A N/A N/A N/A 105.0
 
March 19, 2019, 3 p.m. 83.7 ppb (82) 43.7 ppb (40) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 82.0
 
March 19, 2019, 2 p.m. 88.9 ppb (87) 51.7 ppb (48) N/A 37.0 ppb (34) N/A N/A N/A N/A N/A N/A 87.0
 
March 19, 2019, 1 p.m. 116.1 ppb (103) 76.6 ppb (74) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 103.0
 
March 19, 2019, noon 142.7 ppb (108) 96.8 ppb (96) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 108.0
 
March 19, 2019, 11 a.m. 69.7 ppb (67) 27.5 ppb (25) N/A 42.0 ppb (39) N/A N/A N/A N/A N/A N/A 67.0
 
March 19, 2019, 10 a.m. 81.4 ppb (79) 32.5 ppb (30) N/A 49.0 ppb (45) N/A N/A N/A N/A N/A N/A 79.0
 
March 19, 2019, 9 a.m. 36.2 ppb (34) 0.9 ppb (1) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 34.0
 
March 19, 2019, 8 a.m. 48.1 ppb (45) 9.4 ppb (9) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 45.0
 
March 19, 2019, 7 a.m. 56.0 ppb (52) 16.3 ppb (15) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 52.0
 
March 19, 2019, 6 a.m. 73.3 ppb (71) 23.4 ppb (22) N/A 50.0 ppb (46) N/A N/A N/A N/A N/A N/A 71.0
 
March 19, 2019, 5 a.m. 50.2 ppb (46) 11.1 ppb (10) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 46.0
 
March 19, 2019, 4 a.m. 38.5 ppb (36) 7.2 ppb (7) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 36.0
 
March 19, 2019, 3 a.m. 59.3 ppb (56) 16.6 ppb (15) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A N/A 56.0
 
March 19, 2019, 2 a.m. 56.1 ppb (52) 14.8 ppb (14) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 52.0
 
March 19, 2019, 1 a.m. 57.5 ppb (54) 16.7 ppb (15) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 54.0
 
March 19, 2019, midnight 47.3 ppb (44) 13.8 ppb (13) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 44.0
 
March 18, 2019, 11 p.m. 56.3 ppb (52) 20.2 ppb (19) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 52.0
 
March 18, 2019, 10 p.m. 54.5 ppb (51) 19.8 ppb (18) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 51.0
 
March 18, 2019, 9 p.m. 64.2 ppb (61) 24.1 ppb (22) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 61.0
 
March 18, 2019, 8 p.m. 57.8 ppb (54) 24.5 ppb (23) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 54.0
 
March 18, 2019, 7 p.m. 68.8 ppb (66) 29.2 ppb (27) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 66.0
 
March 18, 2019, 6 p.m. 81.0 ppb (79) 38.1 ppb (35) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A N/A 79.0
 
March 18, 2019, 5 p.m. 89.9 ppb (88) 46.5 ppb (43) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A N/A 88.0
 
March 18, 2019, 4 p.m. 150.3 ppb (109) 99.4 ppb (98) N/A 51.0 ppb (47) N/A N/A N/A N/A N/A N/A 109.0
 
March 18, 2019, 3 p.m. 220.7 ppb (123) 165.8 ppb (112) N/A 55.0 ppb (51) N/A N/A N/A N/A N/A N/A 123.0
 
March 18, 2019, 2 p.m. 172.5 ppb (114) 127.8 ppb (105) N/A 45.0 ppb (42) N/A N/A N/A N/A N/A N/A 114.0
 
March 18, 2019, 1 p.m. 130.0 ppb (106) 84.6 ppb (83) N/A 45.0 ppb (42) N/A N/A N/A N/A N/A N/A 106.0
 
March 18, 2019, noon 118.1 ppb (103) 75.5 ppb (73) N/A 43.0 ppb (40) N/A N/A N/A N/A N/A N/A 103.0
 
March 18, 2019, 11 a.m. 54.1 ppb (50) 19.7 ppb (18) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 50.0
 
March 18, 2019, 10 a.m. 22.0 ppb (20) -0.1 ppb (0) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 20.0
 
March 18, 2019, 9 a.m. 50.7 ppb (47) 15.4 ppb (14) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 47.0
 
March 18, 2019, 8 a.m. 45.7 ppb (42) 9.5 ppb (9) N/A 36.0 ppb (33) N/A N/A N/A N/A N/A N/A 42.0
 
March 18, 2019, 7 a.m. 67.3 ppb (64) 21.0 ppb (19) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 64.0
 
March 18, 2019, 6 a.m. 45.8 ppb (42) 7.9 ppb (7) N/A 38.0 ppb (35) N/A N/A N/A N/A N/A N/A 42.0
 
March 18, 2019, 5 a.m. 21.3 ppb (20) -0.2 ppb (0) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 20.0
 
March 18, 2019, 4 a.m. 35.3 ppb (33) 6.8 ppb (6) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 33.0
 
March 18, 2019, 3 a.m. 42.8 ppb (40) 10.8 ppb (10) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 40.0
 
March 18, 2019, 2 a.m. 37.8 ppb (35) 8.5 ppb (8) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 35.0
 
March 18, 2019, 1 a.m. 32.5 ppb (30) 7.5 ppb (7) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 30.0
 
March 18, 2019, midnight 26.5 ppb (25) 6.7 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 25.0
 
March 17, 2019, 11 p.m. 14.0 ppb (13) 3.5 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A N/A 13.0
 
March 17, 2019, 10 p.m. 9.1 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 8.0
 
March 17, 2019, 9 p.m. 16.9 ppb (16) 4.8 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 16.0
 
March 17, 2019, 8 p.m. 21.3 ppb (20) 6.8 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 20.0
 
March 17, 2019, 7 p.m. 26.7 ppb (25) 9.4 ppb (9) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 25.0
 
March 17, 2019, 6 p.m. 36.8 ppb (34) 13.8 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A N/A N/A N/A 34.0
 
March 17, 2019, 5 p.m. 39.4 ppb (36) 15.5 ppb (14) N/A 24.0 ppb (22) N/A N/A N/A N/A N/A N/A 36.0
 
March 17, 2019, 4 p.m. 53.8 ppb (50) 24.6 ppb (23) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 50.0
 
March 17, 2019, 3 p.m. 54.8 ppb (51) 24.4 ppb (23) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 51.0
 
March 17, 2019, 2 p.m. 40.1 ppb (37) 11.8 ppb (11) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 37.0
 
March 17, 2019, 1 p.m. 30.4 ppb (28) 1.7 ppb (2) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 28.0
 
March 17, 2019, noon 38.1 ppb (35) 7.8 ppb (7) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 35.0
 
March 17, 2019, 11 a.m. 52.7 ppb (49) 21.6 ppb (20) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 49.0
 
March 17, 2019, 10 a.m. 32.0 ppb (30) 2.8 ppb (3) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 30.0
 
March 17, 2019, 9 a.m. 20.5 ppb (19) -0.4 ppb (0) N/A 21.0 ppb (19) N/A N/A N/A N/A N/A N/A 19.0
 
March 17, 2019, 8 a.m. 18.7 ppb (17) -0.2 ppb (0) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A N/A 18.0
 
March 17, 2019, 7 a.m. 32.3 ppb (30) 5.8 ppb (5) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 30.0
 
March 17, 2019, 6 a.m. 32.9 ppb (30) 7.2 ppb (7) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 30.0
 
March 17, 2019, 5 a.m. 38.4 ppb (36) 7.7 ppb (7) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A N/A 36.0
 
March 17, 2019, 4 a.m. 26.1 ppb (24) 5.8 ppb (5) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 24.0
 
March 17, 2019, 3 a.m. 2.6 ppb (2) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 17, 2019, 2 a.m. 1.6 ppb (1) -0.8 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 17, 2019, 1 a.m. 1.3 ppb (1) -0.7 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 17, 2019, midnight 0.6 ppb (1) -0.7 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 11 p.m. 0.2 ppb (0) -0.6 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 10 p.m. 0.0 ppb (0) -0.6 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 9 p.m. 0.2 ppb (0) -0.6 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 8 p.m. 0.8 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 7 p.m. 0.7 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 16, 2019, 6 p.m. 1.5 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 5 p.m. 1.6 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 4 p.m. 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 3 p.m. 2.2 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 2 p.m. 3.7 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 16, 2019, 1 p.m. 4.5 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 16, 2019, noon 1.2 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 11 a.m. 19.1 ppb (18) 3.7 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 18.0
 
March 16, 2019, 10 a.m. 32.1 ppb (30) 6.5 ppb (6) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 30.0
 
March 16, 2019, 9 a.m. 39.0 ppb (36) 6.3 ppb (6) N/A 33.0 ppb (31) N/A N/A N/A N/A N/A N/A 36.0
 
March 16, 2019, 8 a.m. 11.1 ppb (10) -0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 11.0
 
March 16, 2019, 7 a.m. 2.4 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 16, 2019, 6 a.m. 4.6 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 16, 2019, 5 a.m. 4.2 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 16, 2019, 4 a.m. 3.8 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 16, 2019, 3 a.m. 1.5 ppb (1) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 16, 2019, 2 a.m. 2.7 ppb (3) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 16, 2019, 1 a.m. 2.4 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 16, 2019, midnight 3.0 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 11 p.m. 2.6 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 10 p.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 9 p.m. 5.5 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 15, 2019, 8 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 15, 2019, 7 p.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 6 p.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 5 p.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 15, 2019, 4 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 15, 2019, 3 p.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 15, 2019, 2 p.m. 6.8 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 6.0
 
March 15, 2019, 1 p.m. 6.1 ppb (6) -0.6 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A N/A 6.0
 
March 15, 2019, noon 4.3 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 15, 2019, 11 a.m. 3.1 ppb (3) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 15, 2019, 10 a.m. 2.1 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 9 a.m. 1.9 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 8 a.m. 2.3 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 7 a.m. 1.8 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 15, 2019, 6 a.m. 0.8 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
March 15, 2019, 5 a.m. 2.5 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, 4 a.m. 1.1 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 15, 2019, 3 a.m. 1.9 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 15, 2019, 2 a.m. 2.0 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 2.0
 
March 15, 2019, 1 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
March 15, 2019, midnight 5.0 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 5.0
 
March 14, 2019, 11 p.m. 5.4 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 5.0
 
March 14, 2019, 10 p.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 6.0
 
March 14, 2019, 9 p.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 6.0
 
March 14, 2019, 8 p.m. 12.3 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 11.0
 
March 14, 2019, 7 p.m. 15.9 ppb (15) 5.6 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 15.0
 
March 14, 2019, 6 p.m. 10.9 ppb (10) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 10.0
 
March 14, 2019, 5 p.m. 22.5 ppb (21) 7.1 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A N/A N/A N/A 21.0
 
March 14, 2019, 4 p.m. 48.8 ppb (45) 20.6 ppb (19) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 45.0
 
March 14, 2019, 3 p.m. 122.6 ppb (104) 77.0 ppb (74) N/A 46.0 ppb (43) N/A N/A N/A N/A N/A N/A 104.0
 
March 14, 2019, 2 p.m. 110.2 ppb (102) 66.6 ppb (63) N/A 44.0 ppb (41) N/A N/A N/A N/A N/A N/A 102.0
 
March 14, 2019, 1 p.m. 86.8 ppb (85) 45.6 ppb (42) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 85.0
 
March 14, 2019, noon 61.8 ppb (58) 22.8 ppb (21) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 58.0
 
March 14, 2019, 11 a.m. 37.9 ppb (35) 3.3 ppb (3) N/A 35.0 ppb (32) N/A N/A N/A N/A N/A N/A 35.0
 
March 14, 2019, 10 a.m. 24.6 ppb (23) 0.0 ppb (0) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 23.0
 
March 14, 2019, 9 a.m. 3.6 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 14, 2019, 8 a.m. 3.9 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
March 14, 2019, 7 a.m. 17.2 ppb (16) 1.4 ppb (1) N/A 16.0 ppb (15) N/A N/A N/A N/A N/A N/A 16.0
 
March 14, 2019, 6 a.m. 56.7 ppb (53) 17.5 ppb (16) N/A 39.0 ppb (36) N/A N/A N/A N/A N/A N/A 53.0
 
March 14, 2019, 5 a.m. 32.1 ppb (30) 6.8 ppb (6) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 30.0
 
March 14, 2019, 4 a.m. 29.6 ppb (27) 4.6 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A N/A N/A N/A 27.0
 
March 14, 2019, 3 a.m. 57.2 ppb (53) 17.6 ppb (16) N/A 40.0 ppb (37) N/A N/A N/A N/A N/A N/A 53.0
 
March 14, 2019, 2 a.m. 64.7 ppb (61) 23.3 ppb (22) N/A 41.0 ppb (38) N/A N/A N/A N/A N/A N/A 61.0
 
March 14, 2019, 1 a.m. 51.2 ppb (47) 17.1 ppb (16) N/A 34.0 ppb (31) N/A N/A N/A N/A N/A N/A 47.0
 
March 14, 2019, midnight 51.4 ppb (48) 21.0 ppb (19) N/A 30.0 ppb (28) N/A N/A N/A N/A N/A N/A 48.0
 
March 13, 2019, 11 p.m. 52.3 ppb (48) 19.9 ppb (18) N/A 32.0 ppb (30) N/A N/A N/A N/A N/A N/A 48.0
 
March 13, 2019, 10 p.m. 47.5 ppb (44) 19.5 ppb (18) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 44.0
 
March 13, 2019, 9 p.m. 49.8 ppb (46) 22.2 ppb (21) N/A 28.0 ppb (26) N/A N/A N/A N/A N/A N/A 46.0