AQSQID: 060710026

Site Name: Ontario Near Road

Location: Ontario (Fontana Gateway), CA

Reporting: True, Located: True

Current AQI: 11.0

Ontario (Fontana Gateway) CA, US: 34.068114, -117.525796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 29, 2020, 4 p.m. 11.4 ppb (11) 3.6 ppb (3) N/A N/A N/A N/A N/A 0.16 ppb (2) N/A N/A 11.0
 
Jan. 29, 2020, 3 p.m. 181.3 ppb (115) 135.0 ppb (107) N/A 46.0 ppb (43) N/A N/A N/A 0.9 ppb (10) N/A N/A 115.0
 
Jan. 29, 2020, 2 p.m. 122.5 ppb (104) 82.6 ppb (80) N/A 40.0 ppb (37) N/A N/A N/A 0.63 ppb (7) N/A N/A 104.0
 
Jan. 29, 2020, 1 p.m. 95.5 ppb (94) 58.1 ppb (54) N/A 37.0 ppb (34) N/A N/A N/A 0.47 ppb (5) N/A N/A 94.0
 
Jan. 29, 2020, noon 78.4 ppb (76) 43.7 ppb (40) N/A 35.0 ppb (32) N/A N/A N/A 0.39 ppb (4) N/A N/A 76.0
 
Jan. 29, 2020, 11 a.m. 59.3 ppb (56) 26.2 ppb (24) N/A 33.0 ppb (31) N/A N/A N/A 0.37 ppb (4) N/A N/A 56.0
 
Jan. 29, 2020, 10 a.m. 59.1 ppb (55) 25.9 ppb (24) N/A 33.0 ppb (31) N/A N/A N/A 0.44 ppb (5) N/A N/A 55.0
 
Jan. 29, 2020, 9 a.m. 95.8 ppb (94) 59.9 ppb (56) N/A 36.0 ppb (33) N/A N/A N/A 0.66 ppb (7) N/A N/A 94.0
 
Jan. 29, 2020, 8 a.m. 108.2 ppb (101) 71.7 ppb (69) N/A 36.0 ppb (33) N/A N/A N/A 0.73 ppb (8) N/A N/A 101.0
 
Jan. 29, 2020, 7 a.m. 83.0 ppb (81) 47.9 ppb (44) N/A 35.0 ppb (32) N/A N/A N/A 0.64 ppb (7) N/A N/A 81.0
 
Jan. 29, 2020, 6 a.m. 76.1 ppb (74) 40.5 ppb (38) N/A 36.0 ppb (33) N/A N/A N/A 0.69 ppb (8) N/A N/A 74.0
 
Jan. 29, 2020, 5 a.m. 61.9 ppb (58) 23.5 ppb (22) N/A 38.0 ppb (35) N/A N/A N/A 0.55 ppb (6) N/A N/A 58.0
 
Jan. 29, 2020, 4 a.m. 58.3 ppb (55) 17.3 ppb (16) N/A 41.0 ppb (38) N/A N/A N/A 0.49 ppb (5) N/A N/A 55.0
 
Jan. 29, 2020, 3 a.m. 83.2 ppb (81) 36.7 ppb (34) N/A 46.0 ppb (43) N/A N/A N/A 0.57 ppb (6) N/A N/A 81.0
 
Jan. 29, 2020, 2 a.m. 86.6 ppb (85) 33.9 ppb (31) N/A 53.0 ppb (49) N/A N/A N/A 0.67 ppb (7) N/A N/A 85.0
 
Jan. 29, 2020, 1 a.m. 75.7 ppb (73) 25.9 ppb (24) N/A 50.0 ppb (46) N/A N/A N/A 0.63 ppb (7) N/A N/A 73.0
 
Jan. 29, 2020, midnight 59.8 ppb (56) 20.5 ppb (19) N/A 39.0 ppb (36) N/A N/A N/A 0.48 ppb (5) N/A N/A 56.0
 
Jan. 28, 2020, 11 p.m. 55.9 ppb (52) 21.8 ppb (20) N/A 34.0 ppb (31) N/A N/A N/A 0.38 ppb (4) N/A N/A 52.0
 
Jan. 28, 2020, 10 p.m. 55.1 ppb (51) 24.3 ppb (23) N/A 31.0 ppb (29) N/A N/A N/A 0.33 ppb (4) N/A N/A 51.0
 
Jan. 28, 2020, 9 p.m. 43.9 ppb (41) 18.7 ppb (17) N/A 25.0 ppb (23) N/A N/A N/A 0.25 ppb (3) N/A N/A 41.0
 
Jan. 28, 2020, 8 p.m. 75.0 ppb (72) 37.6 ppb (35) N/A 37.0 ppb (34) N/A N/A N/A 0.37 ppb (4) N/A N/A 72.0
 
Jan. 28, 2020, 7 p.m. 89.6 ppb (88) 49.9 ppb (46) N/A 40.0 ppb (37) N/A N/A N/A 0.46 ppb (5) N/A N/A 88.0
 
Jan. 28, 2020, 6 p.m. 108.2 ppb (101) 66.4 ppb (63) N/A 42.0 ppb (39) N/A N/A N/A 0.64 ppb (7) N/A N/A 101.0
 
Jan. 28, 2020, 5 p.m. 51.7 ppb (48) 23.4 ppb (22) N/A 28.0 ppb (26) N/A N/A N/A 0.58 ppb (6) N/A N/A 48.0
 
Jan. 28, 2020, 4 p.m. 131.6 ppb (106) 91.8 ppb (90) N/A 40.0 ppb (37) N/A N/A N/A 0.92 ppb (10) N/A N/A 106.0
 
Jan. 28, 2020, 3 p.m. 160.3 ppb (111) 121.6 ppb (104) N/A 39.0 ppb (36) N/A N/A N/A 0.89 ppb (10) N/A N/A 111.0
 
Jan. 28, 2020, 2 p.m. 152.0 ppb (110) 114.4 ppb (103) N/A 38.0 ppb (35) N/A N/A N/A 0.8 ppb (9) N/A N/A 110.0
 
Jan. 28, 2020, 1 p.m. 119.5 ppb (104) 84.7 ppb (83) N/A 35.0 ppb (32) N/A N/A N/A 0.6 ppb (7) N/A N/A 104.0
 
Jan. 28, 2020, noon 97.7 ppb (96) 63.3 ppb (60) N/A 34.0 ppb (31) N/A N/A N/A 0.55 ppb (6) N/A N/A 96.0
 
Jan. 28, 2020, 11 a.m. 79.0 ppb (77) 44.4 ppb (41) N/A 35.0 ppb (32) N/A N/A N/A 0.53 ppb (6) N/A N/A 77.0
 
Jan. 28, 2020, 10 a.m. 77.3 ppb (75) 41.9 ppb (39) N/A 35.0 ppb (32) N/A N/A N/A 0.49 ppb (5) N/A N/A 75.0
 
Jan. 28, 2020, 9 a.m. 84.4 ppb (82) 49.2 ppb (46) N/A 35.0 ppb (32) N/A N/A N/A 0.53 ppb (6) N/A N/A 82.0
 
Jan. 28, 2020, 8 a.m. 71.7 ppb (69) 38.3 ppb (35) N/A 33.0 ppb (31) N/A N/A N/A 0.55 ppb (6) N/A N/A 69.0
 
Jan. 28, 2020, 7 a.m. 120.9 ppb (104) 84.8 ppb (83) N/A 36.0 ppb (33) N/A N/A N/A 0.7 ppb (8) N/A N/A 104.0
 
Jan. 28, 2020, 6 a.m. 94.0 ppb (93) 55.5 ppb (52) N/A 39.0 ppb (36) N/A N/A N/A 0.71 ppb (8) N/A N/A 93.0
 
Jan. 28, 2020, 5 a.m. 136.2 ppb (107) 92.9 ppb (91) N/A 43.0 ppb (40) N/A N/A N/A 0.81 ppb (9) N/A N/A 107.0
 
Jan. 28, 2020, 4 a.m. 139.7 ppb (107) 88.9 ppb (87) N/A 51.0 ppb (47) N/A N/A N/A 0.78 ppb (9) N/A N/A 107.0
 
Jan. 28, 2020, 3 a.m. 136.5 ppb (107) 81.9 ppb (80) N/A 55.0 ppb (51) N/A N/A N/A 0.83 ppb (9) N/A N/A 107.0
 
Jan. 28, 2020, 2 a.m. 104.3 ppb (101) 51.6 ppb (48) N/A 53.0 ppb (49) N/A N/A N/A 0.7 ppb (8) N/A N/A 101.0
 
Jan. 28, 2020, 1 a.m. 35.2 ppb (33) 7.2 ppb (7) N/A 28.0 ppb (26) N/A N/A N/A 0.38 ppb (4) N/A N/A 33.0
 
Jan. 28, 2020, midnight 14.0 ppb (13) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A 0.22 ppb (2) N/A N/A 13.0
 
Jan. 27, 2020, 11 p.m. 40.1 ppb (37) 14.8 ppb (14) N/A 25.0 ppb (23) N/A N/A N/A 0.34 ppb (4) N/A N/A 37.0
 
Jan. 27, 2020, 10 p.m. 59.8 ppb (56) 25.0 ppb (23) N/A 35.0 ppb (32) N/A N/A N/A 0.44 ppb (5) N/A N/A 56.0
 
Jan. 27, 2020, 9 p.m. 73.4 ppb (71) 35.1 ppb (32) N/A 38.0 ppb (35) N/A N/A N/A 0.51 ppb (6) N/A N/A 71.0
 
Jan. 27, 2020, 8 p.m. 81.8 ppb (80) 41.9 ppb (39) N/A 40.0 ppb (37) N/A N/A N/A 0.56 ppb (6) N/A N/A 80.0
 
Jan. 27, 2020, 7 p.m. 88.9 ppb (87) 47.9 ppb (44) N/A 41.0 ppb (38) N/A N/A N/A 0.57 ppb (6) N/A N/A 87.0
 
Jan. 27, 2020, 6 p.m. 122.4 ppb (104) 79.4 ppb (77) N/A 43.0 ppb (40) N/A N/A N/A 0.74 ppb (8) N/A N/A 104.0
 
Jan. 27, 2020, 5 p.m. 97.5 ppb (96) 59.2 ppb (56) N/A 38.0 ppb (35) N/A N/A N/A 0.69 ppb (8) N/A N/A 96.0
 
Jan. 27, 2020, 4 p.m. 117.3 ppb (103) 81.3 ppb (79) N/A 36.0 ppb (33) N/A N/A N/A 0.82 ppb (9) N/A N/A 103.0
 
Jan. 27, 2020, 3 p.m. 149.7 ppb (109) 114.0 ppb (102) N/A 36.0 ppb (33) N/A N/A N/A 0.92 ppb (10) N/A N/A 109.0
 
Jan. 27, 2020, 2 p.m. 139.1 ppb (107) 102.1 ppb (100) N/A 37.0 ppb (34) N/A N/A N/A 0.79 ppb (9) N/A N/A 107.0
 
Jan. 27, 2020, 1 p.m. 66.2 ppb (63) 33.5 ppb (31) N/A 33.0 ppb (31) N/A N/A N/A 0.49 ppb (5) N/A N/A 63.0
 
Jan. 27, 2020, noon 47.7 ppb (44) 17.8 ppb (16) N/A 30.0 ppb (28) N/A N/A N/A 0.44 ppb (5) N/A N/A 44.0
 
Jan. 27, 2020, 11 a.m. 36.4 ppb (34) 13.7 ppb (13) N/A 23.0 ppb (21) N/A N/A N/A 0.38 ppb (4) N/A N/A 34.0
 
Jan. 27, 2020, 10 a.m. 27.9 ppb (26) 8.4 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.38 ppb (4) N/A N/A 26.0
 
Jan. 27, 2020, 9 a.m. 24.2 ppb (22) 5.7 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 22.0
 
Jan. 27, 2020, 8 a.m. 29.8 ppb (28) 8.8 ppb (8) N/A 21.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A N/A 28.0
 
Jan. 27, 2020, 7 a.m. 34.0 ppb (31) 8.7 ppb (8) N/A 25.0 ppb (23) N/A N/A N/A 0.5 ppb (6) N/A N/A 31.0
 
Jan. 27, 2020, 6 a.m. 34.3 ppb (32) 8.7 ppb (8) N/A 26.0 ppb (24) N/A N/A N/A 0.49 ppb (5) N/A N/A 32.0
 
Jan. 27, 2020, 5 a.m. 32.1 ppb (30) 4.0 ppb (4) N/A 28.0 ppb (26) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
Jan. 27, 2020, 4 a.m. 30.4 ppb (28) 6.2 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.48 ppb (5) N/A N/A 28.0
 
Jan. 27, 2020, 3 a.m. 35.7 ppb (33) 8.6 ppb (8) N/A 27.0 ppb (25) N/A N/A N/A 0.55 ppb (6) N/A N/A 33.0
 
Jan. 27, 2020, 2 a.m. 34.6 ppb (32) 9.3 ppb (9) N/A 25.0 ppb (23) N/A N/A N/A 0.52 ppb (6) N/A N/A 32.0
 
Jan. 27, 2020, 1 a.m. 28.7 ppb (27) 6.1 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A 0.56 ppb (6) N/A N/A 27.0
 
Jan. 27, 2020, midnight 28.8 ppb (27) 7.9 ppb (7) N/A 21.0 ppb (19) N/A N/A N/A 0.53 ppb (6) N/A N/A 27.0
 
Jan. 26, 2020, 11 p.m. 26.8 ppb (25) 8.8 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.53 ppb (6) N/A N/A 25.0
 
Jan. 26, 2020, 10 p.m. 29.9 ppb (28) 11.2 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (6) N/A N/A 28.0
 
Jan. 26, 2020, 9 p.m. 31.9 ppb (30) 13.0 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.59 ppb (7) N/A N/A 30.0
 
Jan. 26, 2020, 8 p.m. 41.8 ppb (39) 20.0 ppb (19) N/A 22.0 ppb (20) N/A N/A N/A 0.59 ppb (7) N/A N/A 39.0
 
Jan. 26, 2020, 7 p.m. 50.3 ppb (47) 26.3 ppb (24) N/A 24.0 ppb (22) N/A N/A N/A 0.68 ppb (8) N/A N/A 47.0
 
Jan. 26, 2020, 6 p.m. 44.9 ppb (42) 22.5 ppb (21) N/A 22.0 ppb (20) N/A N/A N/A 0.64 ppb (7) N/A N/A 42.0
 
Jan. 26, 2020, 5 p.m. 46.9 ppb (43) 24.7 ppb (23) N/A 22.0 ppb (20) N/A N/A N/A 0.66 ppb (7) N/A N/A 43.0
 
Jan. 26, 2020, 4 p.m. 33.8 ppb (31) 12.8 ppb (12) N/A 21.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A N/A 31.0
 
Jan. 26, 2020, 3 p.m. 44.3 ppb (41) 23.1 ppb (21) N/A 21.0 ppb (19) N/A N/A N/A 0.66 ppb (7) N/A N/A 41.0
 
Jan. 26, 2020, 2 p.m. 20.5 ppb (19) 2.0 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) N/A N/A 19.0
 
Jan. 26, 2020, 1 p.m. 25.7 ppb (24) 4.5 ppb (4) N/A 21.0 ppb (19) N/A N/A N/A 0.45 ppb (5) N/A N/A 24.0
 
Jan. 26, 2020, noon 44.2 ppb (41) 18.1 ppb (17) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 41.0
 
Jan. 26, 2020, 11 a.m. 57.5 ppb (54) 29.9 ppb (28) N/A 28.0 ppb (26) N/A N/A N/A 0.67 ppb (7) N/A N/A 54.0
 
Jan. 26, 2020, 10 a.m. 50.5 ppb (47) 21.6 ppb (20) N/A 29.0 ppb (27) N/A N/A N/A 0.67 ppb (7) N/A N/A 47.0
 
Jan. 26, 2020, 9 a.m. 59.9 ppb (56) 33.2 ppb (31) N/A 27.0 ppb (25) N/A N/A N/A 0.89 ppb (10) N/A N/A 56.0
 
Jan. 26, 2020, 8 a.m. 62.5 ppb (59) 30.1 ppb (28) N/A 32.0 ppb (30) N/A N/A N/A 0.76 ppb (8) N/A N/A 59.0
 
Jan. 26, 2020, 7 a.m. 53.8 ppb (50) 22.7 ppb (21) N/A 31.0 ppb (29) N/A N/A N/A 0.79 ppb (9) N/A N/A 50.0
 
Jan. 26, 2020, 6 a.m. 45.7 ppb (42) 13.0 ppb (12) N/A 33.0 ppb (31) N/A N/A N/A 0.76 ppb (8) N/A N/A 42.0
 
Jan. 26, 2020, 5 a.m. 50.4 ppb (47) 16.0 ppb (15) N/A 34.0 ppb (31) N/A N/A N/A 0.71 ppb (8) N/A N/A 47.0
 
Jan. 26, 2020, 4 a.m. 45.3 ppb (42) 13.7 ppb (13) N/A 32.0 ppb (30) N/A N/A N/A 0.69 ppb (8) N/A N/A 42.0
 
Jan. 26, 2020, 3 a.m. 40.3 ppb (37) 10.7 ppb (10) N/A 30.0 ppb (28) N/A N/A N/A 0.66 ppb (7) N/A N/A 37.0
 
Jan. 26, 2020, 2 a.m. 57.2 ppb (53) 14.7 ppb (14) N/A 42.0 ppb (39) N/A N/A N/A 0.88 ppb (10) N/A N/A 53.0
 
Jan. 26, 2020, 1 a.m. 58.9 ppb (55) 14.5 ppb (13) N/A 44.0 ppb (41) N/A N/A N/A 0.81 ppb (9) N/A N/A 55.0
 
Jan. 26, 2020, midnight 47.6 ppb (44) 11.5 ppb (11) N/A 36.0 ppb (33) N/A N/A N/A 0.65 ppb (7) N/A N/A 44.0
 
Jan. 25, 2020, 11 p.m. 36.7 ppb (34) 10.0 ppb (9) N/A 27.0 ppb (25) N/A N/A N/A 0.47 ppb (5) N/A N/A 34.0
 
Jan. 25, 2020, 10 p.m. 33.6 ppb (31) 10.6 ppb (10) N/A 23.0 ppb (21) N/A N/A N/A 0.43 ppb (5) N/A N/A 31.0
 
Jan. 25, 2020, 9 p.m. 39.6 ppb (37) 14.2 ppb (13) N/A 25.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A N/A 37.0
 
Jan. 25, 2020, 8 p.m. 55.3 ppb (51) 24.5 ppb (23) N/A 31.0 ppb (29) N/A N/A N/A 0.49 ppb (5) N/A N/A 51.0
 
Jan. 25, 2020, 7 p.m. 51.5 ppb (48) 22.3 ppb (21) N/A 29.0 ppb (27) N/A N/A N/A 0.47 ppb (5) N/A N/A 48.0
 
Jan. 25, 2020, 6 p.m. 70.8 ppb (68) 36.7 ppb (34) N/A 34.0 ppb (31) N/A N/A N/A 0.58 ppb (6) N/A N/A 68.0
 
Jan. 25, 2020, 5 p.m. 56.1 ppb (52) 28.5 ppb (26) N/A 28.0 ppb (26) N/A N/A N/A 0.5 ppb (6) N/A N/A 52.0
 
Jan. 25, 2020, 4 p.m. 76.6 ppb (74) 47.0 ppb (44) N/A 30.0 ppb (28) N/A N/A N/A 0.52 ppb (6) N/A N/A 74.0
 
Jan. 25, 2020, 3 p.m. 107.5 ppb (101) 77.5 ppb (75) N/A 30.0 ppb (28) N/A N/A N/A 0.61 ppb (7) N/A N/A 101.0
 
Jan. 25, 2020, 2 p.m. 71.6 ppb (69) 43.3 ppb (40) N/A 28.0 ppb (26) N/A N/A N/A 0.6 ppb (7) N/A N/A 69.0
 
Jan. 25, 2020, 1 p.m. 56.4 ppb (53) 27.8 ppb (26) N/A 29.0 ppb (27) N/A N/A N/A 0.49 ppb (5) N/A N/A 53.0
 
Jan. 25, 2020, noon 62.0 ppb (59) 34.1 ppb (32) N/A 28.0 ppb (26) N/A N/A N/A 0.62 ppb (7) N/A N/A 59.0
 
Jan. 25, 2020, 11 a.m. 68.5 ppb (65) 38.4 ppb (36) N/A 30.0 ppb (28) N/A N/A N/A 0.58 ppb (6) N/A N/A 65.0
 
Jan. 25, 2020, 10 a.m. 59.1 ppb (55) 25.6 ppb (24) N/A 34.0 ppb (31) N/A N/A N/A 0.51 ppb (6) N/A N/A 55.0
 
Jan. 25, 2020, 9 a.m. 62.5 ppb (59) 30.2 ppb (28) N/A 32.0 ppb (30) N/A N/A N/A 0.65 ppb (7) N/A N/A 59.0
 
Jan. 25, 2020, 8 a.m. 79.8 ppb (77) 46.7 ppb (43) N/A 33.0 ppb (31) N/A N/A N/A 0.77 ppb (9) N/A N/A 77.0
 
Jan. 25, 2020, 7 a.m. 84.8 ppb (83) 50.6 ppb (47) N/A 34.0 ppb (31) N/A N/A N/A 0.87 ppb (10) N/A N/A 83.0
 
Jan. 25, 2020, 6 a.m. 113.0 ppb (102) 74.3 ppb (72) N/A 39.0 ppb (36) N/A N/A N/A 1.13 ppb (13) N/A N/A 102.0
 
Jan. 25, 2020, 5 a.m. 89.4 ppb (88) 52.1 ppb (48) N/A 37.0 ppb (34) N/A N/A N/A 0.95 ppb (11) N/A N/A 88.0
 
Jan. 25, 2020, 4 a.m. 73.2 ppb (70) 29.6 ppb (27) N/A 44.0 ppb (41) N/A N/A N/A 0.74 ppb (8) N/A N/A 70.0
 
Jan. 25, 2020, 3 a.m. 48.0 ppb (44) 4.9 ppb (5) N/A 43.0 ppb (40) N/A N/A N/A 0.56 ppb (6) N/A N/A 44.0
 
Jan. 25, 2020, 2 a.m. 82.7 ppb (81) 33.1 ppb (31) N/A 50.0 ppb (46) N/A N/A N/A 0.67 ppb (7) N/A N/A 81.0
 
Jan. 25, 2020, 1 a.m. 75.4 ppb (73) 27.3 ppb (25) N/A 48.0 ppb (44) N/A N/A N/A 0.7 ppb (8) N/A N/A 73.0
 
Jan. 25, 2020, midnight 59.6 ppb (56) 18.9 ppb (18) N/A 41.0 ppb (38) N/A N/A N/A 0.53 ppb (6) N/A N/A 56.0
 
Jan. 24, 2020, 11 p.m. 52.1 ppb (48) 18.8 ppb (17) N/A 33.0 ppb (31) N/A N/A N/A 0.42 ppb (5) N/A N/A 48.0
 
Jan. 24, 2020, 10 p.m. 45.3 ppb (42) 17.1 ppb (16) N/A 28.0 ppb (26) N/A N/A N/A 0.33 ppb (4) N/A N/A 42.0
 
Jan. 24, 2020, 9 p.m. 48.2 ppb (45) 19.8 ppb (18) N/A 28.0 ppb (26) N/A N/A N/A 0.3 ppb (3) N/A N/A 45.0
 
Jan. 24, 2020, 8 p.m. 76.2 ppb (74) 40.6 ppb (38) N/A 36.0 ppb (33) N/A N/A N/A 0.38 ppb (4) N/A N/A 74.0
 
Jan. 24, 2020, 7 p.m. 88.6 ppb (87) 49.4 ppb (46) N/A 39.0 ppb (36) N/A N/A N/A 0.45 ppb (5) N/A N/A 87.0
 
Jan. 24, 2020, 6 p.m. 86.4 ppb (84) 48.9 ppb (45) N/A 38.0 ppb (35) N/A N/A N/A 0.41 ppb (5) N/A N/A 84.0
 
Jan. 24, 2020, 5 p.m. 70.2 ppb (67) 37.4 ppb (35) N/A 33.0 ppb (31) N/A N/A N/A 0.69 ppb (8) N/A N/A 67.0
 
Jan. 24, 2020, 4 p.m. 124.2 ppb (104) 84.2 ppb (82) N/A 40.0 ppb (37) N/A N/A N/A 1.02 ppb (11) N/A N/A 104.0
 
Jan. 24, 2020, 3 p.m. 137.7 ppb (107) 98.0 ppb (97) N/A 40.0 ppb (37) N/A N/A N/A 0.74 ppb (8) N/A N/A 107.0
 
Jan. 24, 2020, 2 p.m. 122.7 ppb (104) 84.3 ppb (82) N/A 38.0 ppb (35) N/A N/A N/A 0.56 ppb (6) N/A N/A 104.0
 
Jan. 24, 2020, 1 p.m. 80.8 ppb (79) 46.1 ppb (43) N/A 35.0 ppb (32) N/A N/A N/A 0.42 ppb (5) N/A N/A 79.0
 
Jan. 24, 2020, noon 63.6 ppb (60) 30.2 ppb (28) N/A 33.0 ppb (31) N/A N/A N/A 0.37 ppb (4) N/A N/A 60.0
 
Jan. 24, 2020, 11 a.m. 62.8 ppb (59) 31.3 ppb (29) N/A 32.0 ppb (30) N/A N/A N/A 0.45 ppb (5) N/A N/A 59.0
 
Jan. 24, 2020, 10 a.m. 57.8 ppb (54) 26.1 ppb (24) N/A 32.0 ppb (30) N/A N/A N/A 0.49 ppb (5) N/A N/A 54.0
 
Jan. 24, 2020, 9 a.m. 75.6 ppb (73) 40.6 ppb (38) N/A 35.0 ppb (32) N/A N/A N/A 0.61 ppb (7) N/A N/A 73.0
 
Jan. 24, 2020, 8 a.m. 110.4 ppb (102) 71.5 ppb (69) N/A 39.0 ppb (36) N/A N/A N/A 0.84 ppb (9) N/A N/A 102.0
 
Jan. 24, 2020, 7 a.m. 117.3 ppb (103) 79.0 ppb (77) N/A 38.0 ppb (35) N/A N/A N/A 0.86 ppb (10) N/A N/A 103.0
 
Jan. 24, 2020, 6 a.m. 113.9 ppb (102) 75.9 ppb (73) N/A 38.0 ppb (35) N/A N/A N/A 0.78 ppb (9) N/A N/A 102.0
 
Jan. 24, 2020, 5 a.m. 102.5 ppb (100) 63.3 ppb (60) N/A 39.0 ppb (36) N/A N/A N/A 0.77 ppb (9) N/A N/A 100.0
 
Jan. 24, 2020, 4 a.m. 81.6 ppb (79) 44.5 ppb (41) N/A 37.0 ppb (34) N/A N/A N/A 0.67 ppb (7) N/A N/A 79.0
 
Jan. 24, 2020, 3 a.m. 90.3 ppb (89) 46.0 ppb (43) N/A 44.0 ppb (41) N/A N/A N/A 0.64 ppb (7) N/A N/A 89.0
 
Jan. 24, 2020, 2 a.m. 44.4 ppb (41) 5.0 ppb (5) N/A 39.0 ppb (36) N/A N/A N/A 0.44 ppb (5) N/A N/A 41.0
 
Jan. 24, 2020, 1 a.m. 59.2 ppb (56) 14.9 ppb (14) N/A 44.0 ppb (41) N/A N/A N/A 0.5 ppb (6) N/A N/A 56.0
 
Jan. 24, 2020, midnight 47.5 ppb (44) 13.9 ppb (13) N/A 34.0 ppb (31) N/A N/A N/A 0.43 ppb (5) N/A N/A 44.0
 
Jan. 23, 2020, 11 p.m. 31.6 ppb (29) 10.5 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.27 ppb (3) N/A N/A 29.0
 
Jan. 23, 2020, 10 p.m. 41.6 ppb (39) 19.0 ppb (18) N/A 23.0 ppb (21) N/A N/A N/A 0.27 ppb (3) N/A N/A 39.0
 
Jan. 23, 2020, 9 p.m. 57.3 ppb (54) 26.6 ppb (25) N/A 31.0 ppb (29) N/A N/A N/A 0.31 ppb (3) N/A N/A 54.0
 
Jan. 23, 2020, 8 p.m. 68.0 ppb (65) 34.8 ppb (32) N/A 33.0 ppb (31) N/A N/A N/A 0.37 ppb (4) N/A N/A 65.0
 
Jan. 23, 2020, 7 p.m. 77.9 ppb (75) 41.9 ppb (39) N/A 36.0 ppb (33) N/A N/A N/A 0.4 ppb (4) N/A N/A 75.0
 
Jan. 23, 2020, 6 p.m. 109.5 ppb (102) 67.3 ppb (64) N/A 42.0 ppb (39) N/A N/A N/A 0.59 ppb (7) N/A N/A 102.0
 
Jan. 23, 2020, 5 p.m. 122.8 ppb (104) 81.8 ppb (80) N/A 41.0 ppb (38) N/A N/A N/A 0.73 ppb (8) N/A N/A 104.0
 
Jan. 23, 2020, 4 p.m. 113.1 ppb (102) 75.8 ppb (73) N/A 37.0 ppb (34) N/A N/A N/A 0.67 ppb (7) N/A N/A 102.0
 
Jan. 23, 2020, 3 p.m. 80.9 ppb (79) 45.0 ppb (42) N/A 36.0 ppb (33) N/A N/A N/A 0.52 ppb (6) N/A N/A 79.0
 
Jan. 23, 2020, 2 p.m. 77.3 ppb (75) 39.5 ppb (37) N/A 38.0 ppb (35) N/A N/A N/A 0.47 ppb (5) N/A N/A 75.0
 
Jan. 23, 2020, 1 p.m. 97.0 ppb (96) 58.8 ppb (55) N/A 38.0 ppb (35) N/A N/A N/A 0.54 ppb (6) N/A N/A 96.0
 
Jan. 23, 2020, noon 79.5 ppb (77) 43.8 ppb (41) N/A 36.0 ppb (33) N/A N/A N/A 0.47 ppb (5) N/A N/A 77.0
 
Jan. 23, 2020, 11 a.m. 99.3 ppb (98) 61.8 ppb (58) N/A 38.0 ppb (35) N/A N/A N/A 0.53 ppb (6) N/A N/A 98.0
 
Jan. 23, 2020, 10 a.m. 68.5 ppb (65) 36.2 ppb (34) N/A 32.0 ppb (30) N/A N/A N/A 0.54 ppb (6) N/A N/A 65.0
 
Jan. 23, 2020, 9 a.m. 79.1 ppb (77) 47.8 ppb (44) N/A 31.0 ppb (29) N/A N/A N/A 0.56 ppb (6) N/A N/A 77.0
 
Jan. 23, 2020, 8 a.m. 76.1 ppb (74) 43.9 ppb (41) N/A 32.0 ppb (30) N/A N/A N/A 0.6 ppb (7) N/A N/A 74.0
 
Jan. 23, 2020, 7 a.m. 81.7 ppb (79) 50.2 ppb (46) N/A 31.0 ppb (29) N/A N/A N/A 0.66 ppb (7) N/A N/A 79.0
 
Jan. 23, 2020, 6 a.m. 77.3 ppb (75) 45.1 ppb (42) N/A 32.0 ppb (30) N/A N/A N/A 0.68 ppb (8) N/A N/A 75.0
 
Jan. 23, 2020, 5 a.m. 73.6 ppb (71) 36.5 ppb (34) N/A 37.0 ppb (34) N/A N/A N/A 0.54 ppb (6) N/A N/A 71.0
 
Jan. 23, 2020, 4 a.m. 93.0 ppb (91) 51.4 ppb (48) N/A 42.0 ppb (39) N/A N/A N/A 0.7 ppb (8) N/A N/A 91.0
 
Jan. 23, 2020, 3 a.m. 92.6 ppb (91) 49.0 ppb (45) N/A 44.0 ppb (41) N/A N/A N/A 0.66 ppb (7) N/A N/A 91.0
 
Jan. 23, 2020, 2 a.m. 68.7 ppb (66) 26.7 ppb (25) N/A 42.0 ppb (39) N/A N/A N/A 0.55 ppb (6) N/A N/A 66.0
 
Jan. 23, 2020, 1 a.m. 57.4 ppb (54) 20.3 ppb (19) N/A 37.0 ppb (34) N/A N/A N/A 0.43 ppb (5) N/A N/A 54.0
 
Jan. 23, 2020, midnight 43.4 ppb (40) 15.4 ppb (14) N/A 28.0 ppb (26) N/A N/A N/A 0.34 ppb (4) N/A N/A 40.0
 
Jan. 22, 2020, 11 p.m. 31.4 ppb (29) 10.8 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.26 ppb (3) N/A N/A 29.0
 
Jan. 22, 2020, 10 p.m. 39.0 ppb (36) 16.3 ppb (15) N/A 23.0 ppb (21) N/A N/A N/A 0.29 ppb (3) N/A N/A 36.0
 
Jan. 22, 2020, 9 p.m. 37.5 ppb (35) 16.1 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A N/A 35.0
 
Jan. 22, 2020, 8 p.m. 38.4 ppb (36) 18.1 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.23 ppb (3) N/A N/A 36.0
 
Jan. 22, 2020, 7 p.m. 36.8 ppb (34) 16.8 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A N/A 34.0
 
Jan. 22, 2020, 6 p.m. 53.7 ppb (50) 28.2 ppb (26) N/A 25.0 ppb (23) N/A N/A N/A 0.29 ppb (3) N/A N/A 50.0
 
Jan. 22, 2020, 5 p.m. 57.8 ppb (54) 31.8 ppb (29) N/A 26.0 ppb (24) N/A N/A N/A 0.35 ppb (4) N/A N/A 54.0