ID: 2783

AQSQID: 060710026

Site Name: Ontario Near Road

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

Updated: Jan. 16, 2021, 6:31 p.m.

Location: Ontario (Fontana Gateway), CA

Reporting: True, Located: True

Current AQI: 4.0

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. 9, 2021, 5 p.m. 8.0 ppb (8) 1.7 ppb (2) N/A N/A N/A N/A N/A 0.18 ppb (3) N/A N/A 8.0
 
Jan. 9, 2021, 4 p.m. 133.6 ppb (108) 87.7 ppb (87) N/A 46.0 ppb (44) N/A N/A N/A 0.87 ppb (11) N/A N/A 108.0
 
Jan. 9, 2021, 3 p.m. 135.1 ppb (108) 94.9 ppb (95) N/A 41.0 ppb (39) N/A N/A N/A 0.78 ppb (10) N/A N/A 108.0
 
Jan. 9, 2021, 2 p.m. 96.5 ppb (97) 58.0 ppb (56) N/A 39.0 ppb (37) N/A N/A N/A 0.62 ppb (7) N/A N/A 97.0
 
Jan. 9, 2021, 1 p.m. 95.3 ppb (95) 58.3 ppb (56) N/A 37.0 ppb (35) N/A N/A N/A 0.61 ppb (7) N/A N/A 95.0
 
Jan. 9, 2021, noon 84.3 ppb (84) 49.1 ppb (47) N/A 35.0 ppb (34) N/A N/A N/A 0.68 ppb (8) N/A N/A 84.0
 
Jan. 9, 2021, 11 a.m. 56.2 ppb (54) 22.3 ppb (22) N/A 34.0 ppb (33) N/A N/A N/A 0.55 ppb (7) N/A N/A 54.0
 
Jan. 9, 2021, 10 a.m. 83.3 ppb (83) 47.0 ppb (45) N/A 37.0 ppb (35) N/A N/A N/A 0.66 ppb (8) N/A N/A 83.0
 
Jan. 9, 2021, 9 a.m. 93.0 ppb (93) 49.5 ppb (47) N/A 44.0 ppb (42) N/A N/A N/A 0.86 ppb (11) N/A N/A 93.0
 
Jan. 9, 2021, 8 a.m. 88.1 ppb (88) 45.3 ppb (43) N/A 43.0 ppb (41) N/A N/A N/A 0.83 ppb (10) N/A N/A 88.0
 
Jan. 9, 2021, 7 a.m. 110.2 ppb (103) 66.7 ppb (65) N/A 44.0 ppb (42) N/A N/A N/A 0.95 ppb (11) N/A N/A 103.0
 
Jan. 9, 2021, 6 a.m. 138.2 ppb (109) 92.6 ppb (93) N/A 46.0 ppb (44) N/A N/A N/A 1.07 ppb (13) N/A N/A 109.0
 
Jan. 9, 2021, 5 a.m. 177.9 ppb (116) 123.9 ppb (106) N/A 55.0 ppb (53) N/A N/A N/A 1.19 ppb (14) N/A N/A 116.0
 
Jan. 9, 2021, 4 a.m. 125.3 ppb (106) 75.1 ppb (74) N/A 51.0 ppb (49) N/A N/A N/A 1.06 ppb (13) N/A N/A 106.0
 
Jan. 9, 2021, 3 a.m. 143.0 ppb (109) 82.7 ppb (82) N/A 61.0 ppb (59) N/A N/A N/A 1.07 ppb (13) N/A N/A 109.0
 
Jan. 9, 2021, 2 a.m. 134.3 ppb (108) 70.8 ppb (69) N/A 64.0 ppb (62) N/A N/A N/A 1.01 ppb (12) N/A N/A 108.0
 
Jan. 9, 2021, 1 a.m. 117.7 ppb (105) 54.6 ppb (52) N/A 63.0 ppb (61) N/A N/A N/A 0.91 ppb (11) N/A N/A 105.0
 
Jan. 9, 2021, midnight 98.2 ppb (99) 41.1 ppb (39) N/A 58.0 ppb (56) N/A N/A N/A 0.71 ppb (8) N/A N/A 99.0
 
Jan. 8, 2021, 11 p.m. 91.5 ppb (91) 42.6 ppb (41) N/A 49.0 ppb (47) N/A N/A N/A 0.65 ppb (8) N/A N/A 91.0
 
Jan. 8, 2021, 10 p.m. 76.6 ppb (76) 37.7 ppb (36) N/A 39.0 ppb (37) N/A N/A N/A 0.49 ppb (6) N/A N/A 76.0
 
Jan. 8, 2021, 9 p.m. 65.0 ppb (63) 31.4 ppb (30) N/A 34.0 ppb (33) N/A N/A N/A 0.39 ppb (5) N/A N/A 63.0
 
Jan. 8, 2021, 8 p.m. 102.3 ppb (102) 57.2 ppb (55) N/A 45.0 ppb (43) N/A N/A N/A 0.5 ppb (6) N/A N/A 102.0
 
Jan. 8, 2021, 7 p.m. 142.9 ppb (109) 90.4 ppb (90) N/A 53.0 ppb (50) N/A N/A N/A 0.66 ppb (8) N/A N/A 109.0
 
Jan. 8, 2021, 6 p.m. 133.4 ppb (108) 83.8 ppb (83) N/A 50.0 ppb (48) N/A N/A N/A 0.62 ppb (7) N/A N/A 108.0
 
Jan. 8, 2021, 5 p.m. 136.0 ppb (108) 89.7 ppb (90) N/A 47.0 ppb (45) N/A N/A N/A 0.68 ppb (8) N/A N/A 108.0
 
Jan. 8, 2021, 4 p.m. 148.5 ppb (110) 105.6 ppb (102) N/A 43.0 ppb (41) N/A N/A N/A 0.71 ppb (8) N/A N/A 110.0
 
Jan. 8, 2021, 3 p.m. 178.9 ppb (116) 138.5 ppb (109) N/A 41.0 ppb (39) N/A N/A N/A 0.82 ppb (10) N/A N/A 116.0
 
Jan. 8, 2021, 2 p.m. 159.0 ppb (112) 118.9 ppb (105) N/A 41.0 ppb (39) N/A N/A N/A 0.71 ppb (8) N/A N/A 112.0
 
Jan. 8, 2021, 1 p.m. 130.8 ppb (107) 95.4 ppb (96) N/A 36.0 ppb (34) N/A N/A N/A 0.62 ppb (7) N/A N/A 107.0
 
Jan. 8, 2021, noon 90.9 ppb (91) 56.9 ppb (55) N/A 34.0 ppb (33) N/A N/A N/A 0.47 ppb (6) N/A N/A 91.0
 
Jan. 8, 2021, 11 a.m. 59.6 ppb (57) 26.4 ppb (25) N/A 33.0 ppb (32) N/A N/A N/A 0.4 ppb (5) N/A N/A 57.0
 
Jan. 8, 2021, 10 a.m. 65.8 ppb (64) 31.8 ppb (30) N/A 34.0 ppb (33) N/A N/A N/A 0.47 ppb (6) N/A N/A 64.0
 
Jan. 8, 2021, 9 a.m. 60.0 ppb (58) 26.5 ppb (25) N/A 34.0 ppb (33) N/A N/A N/A 0.48 ppb (6) N/A N/A 58.0
 
Jan. 8, 2021, 8 a.m. 77.5 ppb (77) 41.6 ppb (40) N/A 36.0 ppb (34) N/A N/A N/A 0.65 ppb (8) N/A N/A 77.0
 
Jan. 8, 2021, 7 a.m. 95.2 ppb (95) 59.2 ppb (57) N/A 36.0 ppb (34) N/A N/A N/A 0.71 ppb (8) N/A N/A 95.0
 
Jan. 8, 2021, 6 a.m. 108.0 ppb (103) 69.9 ppb (68) N/A 38.0 ppb (36) N/A N/A N/A 0.76 ppb (10) N/A N/A 103.0
 
Jan. 8, 2021, 5 a.m. 103.3 ppb (102) 63.5 ppb (62) N/A 40.0 ppb (38) N/A N/A N/A 0.79 ppb (10) N/A N/A 102.0
 
Jan. 8, 2021, 4 a.m. 111.6 ppb (104) 69.1 ppb (68) N/A 43.0 ppb (41) N/A N/A N/A 0.7 ppb (8) N/A N/A 104.0
 
Jan. 8, 2021, 3 a.m. 168.9 ppb (114) 110.1 ppb (103) N/A 59.0 ppb (57) N/A N/A N/A 1.05 ppb (13) N/A N/A 114.0
 
Jan. 8, 2021, 2 a.m. 113.3 ppb (104) 61.5 ppb (59) N/A 52.0 ppb (50) N/A N/A N/A 0.71 ppb (8) N/A N/A 104.0
 
Jan. 8, 2021, 1 a.m. 73.2 ppb (72) 23.5 ppb (23) N/A 50.0 ppb (48) N/A N/A N/A 0.59 ppb (7) N/A N/A 72.0
 
Jan. 8, 2021, midnight 88.9 ppb (89) 38.7 ppb (37) N/A N/A N/A N/A N/A 0.57 ppb (7) N/A N/A 89.0
 
Jan. 7, 2021, 11 p.m. 19.9 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A N/A 19.0
 
Jan. 7, 2021, 10 p.m. 30.4 ppb (29) 7.2 ppb (7) N/A 23.0 ppb (22) N/A N/A N/A 0.3 ppb (4) N/A N/A 29.0
 
Jan. 7, 2021, 9 p.m. 43.7 ppb (42) 17.4 ppb (17) N/A 26.0 ppb (25) N/A N/A N/A 0.32 ppb (4) N/A N/A 42.0
 
Jan. 7, 2021, 8 p.m. 54.5 ppb (52) 23.1 ppb (22) N/A 31.0 ppb (30) N/A N/A N/A 0.37 ppb (5) N/A N/A 52.0
 
Jan. 7, 2021, 7 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. 7, 2021, 6 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. 7, 2021, 5 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. 7, 2021, 4 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. 7, 2021, 3 p.m. 184.9 ppb (117) 142.4 ppb (109) N/A 43.0 ppb (41) N/A N/A N/A 0.88 ppb (11) N/A N/A 117.0
 
Jan. 7, 2021, 2 p.m. 134.8 ppb (108) 97.1 ppb (97) N/A 38.0 ppb (36) N/A N/A N/A 0.73 ppb (8) N/A N/A 108.0
 
Jan. 7, 2021, 1 p.m. 109.2 ppb (103) 74.6 ppb (73) N/A 35.0 ppb (34) N/A N/A N/A 0.56 ppb (7) N/A N/A 103.0
 
Jan. 7, 2021, noon 71.2 ppb (70) 39.9 ppb (38) N/A 31.0 ppb (30) N/A N/A N/A 0.45 ppb (6) N/A N/A 70.0
 
Jan. 7, 2021, 11 a.m. 48.2 ppb (46) 17.7 ppb (17) N/A 31.0 ppb (30) N/A N/A N/A 0.35 ppb (4) N/A N/A 46.0
 
Jan. 7, 2021, 10 a.m. 57.2 ppb (55) 24.7 ppb (24) N/A 33.0 ppb (32) N/A N/A N/A 0.43 ppb (5) N/A N/A 55.0
 
Jan. 7, 2021, 9 a.m. 58.6 ppb (56) 24.2 ppb (23) N/A 35.0 ppb (34) N/A N/A N/A 0.47 ppb (6) N/A N/A 56.0
 
Jan. 7, 2021, 8 a.m. 83.8 ppb (83) 46.2 ppb (44) N/A 38.0 ppb (36) N/A N/A N/A 0.6 ppb (7) N/A N/A 83.0
 
Jan. 7, 2021, 7 a.m. 78.5 ppb (78) 39.2 ppb (37) N/A 40.0 ppb (38) N/A N/A N/A 0.66 ppb (8) N/A N/A 78.0
 
Jan. 7, 2021, 6 a.m. 117.4 ppb (105) 72.6 ppb (71) N/A 45.0 ppb (43) N/A N/A N/A 0.91 ppb (11) N/A N/A 105.0
 
Jan. 7, 2021, 5 a.m. 120.5 ppb (105) 70.4 ppb (69) N/A 50.0 ppb (48) N/A N/A N/A 1.03 ppb (12) N/A N/A 105.0
 
Jan. 7, 2021, 4 a.m. 140.0 ppb (109) 84.4 ppb (84) N/A 56.0 ppb (54) N/A N/A N/A 1.03 ppb (12) N/A N/A 109.0
 
Jan. 7, 2021, 3 a.m. 117.8 ppb (105) 59.6 ppb (57) N/A 58.0 ppb (56) N/A N/A N/A 0.96 ppb (12) N/A N/A 105.0
 
Jan. 7, 2021, 2 a.m. 137.7 ppb (108) 75.9 ppb (75) N/A 62.0 ppb (60) N/A N/A N/A 1.01 ppb (12) N/A N/A 108.0
 
Jan. 7, 2021, 1 a.m. 125.6 ppb (106) 61.7 ppb (60) N/A 64.0 ppb (62) N/A N/A N/A 0.89 ppb (11) N/A N/A 106.0
 
Jan. 7, 2021, midnight 80.0 ppb (79) 28.5 ppb (27) N/A 52.0 ppb (50) N/A N/A N/A 0.61 ppb (7) N/A N/A 79.0
 
Jan. 6, 2021, 11 p.m. 70.1 ppb (69) 27.4 ppb (26) N/A 43.0 ppb (41) N/A N/A N/A 0.52 ppb (6) N/A N/A 69.0
 
Jan. 6, 2021, 10 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. 6, 2021, 9 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. 6, 2021, 8 p.m. 90.9 ppb (91) 47.4 ppb (45) N/A 44.0 ppb (42) N/A N/A N/A 0.43 ppb (5) N/A N/A 91.0
 
Jan. 6, 2021, 7 p.m. 83.4 ppb (83) 41.6 ppb (40) N/A 42.0 ppb (40) N/A N/A N/A 0.42 ppb (5) N/A N/A 83.0
 
Jan. 6, 2021, 6 p.m. 181.3 ppb (117) 124.9 ppb (106) N/A 57.0 ppb (55) N/A N/A N/A 0.69 ppb (8) N/A N/A 117.0
 
Jan. 6, 2021, 5 p.m. 233.9 ppb (127) 174.7 ppb (115) N/A 60.0 ppb (58) N/A N/A N/A 0.96 ppb (12) N/A N/A 127.0
 
Jan. 6, 2021, 4 p.m. 157.7 ppb (112) 113.8 ppb (104) N/A 44.0 ppb (42) N/A N/A N/A 0.82 ppb (10) N/A N/A 112.0
 
Jan. 6, 2021, 3 p.m. 159.1 ppb (112) 118.2 ppb (105) N/A 41.0 ppb (39) N/A N/A N/A 0.76 ppb (10) N/A N/A 112.0
 
Jan. 6, 2021, 2 p.m. 135.7 ppb (108) 97.1 ppb (97) N/A 39.0 ppb (37) N/A N/A N/A 0.61 ppb (7) N/A N/A 108.0
 
Jan. 6, 2021, 1 p.m. 99.7 ppb (100) 64.1 ppb (62) N/A 36.0 ppb (34) N/A N/A N/A 0.49 ppb (6) N/A N/A 100.0
 
Jan. 6, 2021, noon 85.3 ppb (85) 50.6 ppb (48) N/A 35.0 ppb (34) N/A N/A N/A 0.45 ppb (6) N/A N/A 85.0
 
Jan. 6, 2021, 11 a.m. 62.7 ppb (61) 28.5 ppb (27) N/A 34.0 ppb (33) N/A N/A N/A 0.44 ppb (5) N/A N/A 61.0
 
Jan. 6, 2021, 10 a.m. 60.1 ppb (58) 24.5 ppb (24) N/A 36.0 ppb (34) N/A N/A N/A 0.48 ppb (6) N/A N/A 58.0
 
Jan. 6, 2021, 9 a.m. 66.5 ppb (65) 31.4 ppb (30) N/A 35.0 ppb (34) N/A N/A N/A 0.51 ppb (6) N/A N/A 65.0
 
Jan. 6, 2021, 8 a.m. 74.8 ppb (74) 38.6 ppb (37) N/A 36.0 ppb (34) N/A N/A N/A 0.64 ppb (7) N/A N/A 74.0
 
Jan. 6, 2021, 7 a.m. 83.4 ppb (83) 43.5 ppb (42) N/A 40.0 ppb (38) N/A N/A N/A 0.79 ppb (10) N/A N/A 83.0
 
Jan. 6, 2021, 6 a.m. 124.2 ppb (106) 81.9 ppb (81) N/A 43.0 ppb (41) N/A N/A N/A 0.95 ppb (11) N/A N/A 106.0
 
Jan. 6, 2021, 5 a.m. 136.8 ppb (108) 94.6 ppb (95) N/A 43.0 ppb (41) N/A N/A N/A 0.89 ppb (11) N/A N/A 108.0
 
Jan. 6, 2021, 4 a.m. 110.8 ppb (103) 67.5 ppb (66) N/A 44.0 ppb (42) N/A N/A N/A 0.73 ppb (8) N/A N/A 103.0
 
Jan. 6, 2021, 3 a.m. 97.4 ppb (98) 50.1 ppb (48) N/A 48.0 ppb (46) N/A N/A N/A 0.71 ppb (8) N/A N/A 98.0
 
Jan. 6, 2021, 2 a.m. 113.6 ppb (104) 58.6 ppb (56) N/A 55.0 ppb (53) N/A N/A N/A 0.78 ppb (10) N/A N/A 104.0
 
Jan. 6, 2021, 1 a.m. 104.9 ppb (102) 48.2 ppb (46) N/A 57.0 ppb (55) N/A N/A N/A 0.76 ppb (10) N/A N/A 102.0
 
Jan. 6, 2021, midnight 85.5 ppb (85) 36.1 ppb (35) N/A 50.0 ppb (48) N/A N/A N/A 0.74 ppb (8) N/A N/A 85.0
 
Jan. 5, 2021, 11 p.m. 72.2 ppb (71) 27.0 ppb (26) N/A 45.0 ppb (43) N/A N/A N/A 0.54 ppb (6) N/A N/A 71.0
 
Jan. 5, 2021, 10 p.m. 49.9 ppb (48) 15.9 ppb (15) N/A 34.0 ppb (33) N/A N/A N/A 0.4 ppb (5) N/A N/A 48.0
 
Jan. 5, 2021, 9 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. 5, 2021, 8 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. 5, 2021, 7 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. 5, 2021, 6 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. 5, 2021, 5 p.m. 89.2 ppb (89) 54.5 ppb (52) N/A 35.0 ppb (34) N/A N/A N/A 0.57 ppb (7) N/A N/A 89.0
 
Jan. 5, 2021, 4 p.m. 202.5 ppb (121) 158.4 ppb (112) N/A 45.0 ppb (43) N/A N/A N/A 0.91 ppb (11) N/A N/A 121.0
 
Jan. 5, 2021, 3 p.m. 183.0 ppb (117) 146.6 ppb (110) N/A 37.0 ppb (35) N/A N/A N/A 0.87 ppb (11) N/A N/A 117.0
 
Jan. 5, 2021, 2 p.m. 123.1 ppb (106) 90.3 ppb (90) N/A 33.0 ppb (32) N/A N/A N/A 0.65 ppb (8) N/A N/A 106.0
 
Jan. 5, 2021, 1 p.m. 105.6 ppb (102) 75.9 ppb (75) N/A 30.0 ppb (29) N/A N/A N/A 0.57 ppb (7) N/A N/A 102.0
 
Jan. 5, 2021, noon 81.4 ppb (81) 53.4 ppb (51) N/A 28.0 ppb (27) N/A N/A N/A 0.47 ppb (6) N/A N/A 81.0
 
Jan. 5, 2021, 11 a.m. 66.2 ppb (64) 36.3 ppb (35) N/A 30.0 ppb (29) N/A N/A N/A 0.43 ppb (5) N/A N/A 64.0
 
Jan. 5, 2021, 10 a.m. 62.3 ppb (60) 31.6 ppb (30) N/A 31.0 ppb (30) N/A N/A N/A 0.45 ppb (6) N/A N/A 60.0
 
Jan. 5, 2021, 9 a.m. 61.2 ppb (59) 26.8 ppb (26) N/A 35.0 ppb (34) N/A N/A N/A 0.51 ppb (6) N/A N/A 59.0
 
Jan. 5, 2021, 8 a.m. 75.8 ppb (75) 38.2 ppb (37) N/A 38.0 ppb (36) N/A N/A N/A 0.66 ppb (8) N/A N/A 75.0
 
Jan. 5, 2021, 7 a.m. 81.9 ppb (81) 45.2 ppb (43) N/A 37.0 ppb (35) N/A N/A N/A 0.67 ppb (8) N/A N/A 81.0
 
Jan. 5, 2021, 6 a.m. 104.3 ppb (102) 62.3 ppb (60) N/A 42.0 ppb (40) N/A N/A N/A 0.65 ppb (8) N/A N/A 102.0
 
Jan. 5, 2021, 5 a.m. 68.3 ppb (67) 27.2 ppb (26) N/A 41.0 ppb (39) N/A N/A N/A 0.56 ppb (7) N/A N/A 67.0
 
Jan. 5, 2021, 4 a.m. 60.7 ppb (59) 17.6 ppb (17) N/A 43.0 ppb (41) N/A N/A N/A 0.51 ppb (6) N/A N/A 59.0
 
Jan. 5, 2021, 3 a.m. 94.3 ppb (94) 46.2 ppb (44) N/A 48.0 ppb (46) N/A N/A N/A 0.59 ppb (7) N/A N/A 94.0
 
Jan. 5, 2021, 2 a.m. 82.6 ppb (82) 36.6 ppb (35) N/A 46.0 ppb (44) N/A N/A N/A 0.54 ppb (6) N/A N/A 82.0
 
Jan. 5, 2021, 1 a.m. 84.6 ppb (84) 32.4 ppb (31) N/A 53.0 ppb (50) N/A N/A N/A 0.58 ppb (7) N/A N/A 84.0
 
Jan. 5, 2021, midnight 75.8 ppb (75) 23.7 ppb (23) N/A 52.0 ppb (50) N/A N/A N/A 0.58 ppb (7) N/A N/A 75.0
 
Jan. 4, 2021, 11 p.m. 77.3 ppb (76) 29.7 ppb (29) N/A 48.0 ppb (46) N/A N/A N/A 0.57 ppb (7) N/A N/A 76.0
 
Jan. 4, 2021, 10 p.m. 64.7 ppb (63) 25.9 ppb (25) N/A 39.0 ppb (37) N/A N/A N/A 0.44 ppb (5) N/A N/A 63.0
 
Jan. 4, 2021, 9 p.m. 62.9 ppb (61) 25.4 ppb (24) N/A 38.0 ppb (36) N/A N/A N/A 0.36 ppb (5) N/A N/A 61.0
 
Jan. 4, 2021, 8 p.m. 67.1 ppb (65) 29.2 ppb (28) N/A 38.0 ppb (36) N/A N/A N/A 0.36 ppb (5) N/A N/A 65.0
 
Jan. 4, 2021, 7 p.m. 77.8 ppb (77) 39.5 ppb (38) N/A 39.0 ppb (37) N/A N/A N/A 0.37 ppb (5) N/A N/A 77.0
 
Jan. 4, 2021, 6 p.m. 105.7 ppb (102) 66.4 ppb (65) N/A 40.0 ppb (38) N/A N/A N/A 0.49 ppb (6) N/A N/A 102.0
 
Jan. 4, 2021, 5 p.m. 135.9 ppb (108) 93.8 ppb (94) N/A 43.0 ppb (41) N/A N/A N/A 0.68 ppb (8) N/A N/A 108.0
 
Jan. 4, 2021, 4 p.m. 147.7 ppb (110) 110.8 ppb (103) N/A 37.0 ppb (35) N/A N/A N/A 0.72 ppb (8) N/A N/A 110.0
 
Jan. 4, 2021, 3 p.m. 198.6 ppb (120) 161.3 ppb (113) N/A 38.0 ppb (36) N/A N/A N/A 0.85 ppb (10) N/A N/A 120.0
 
Jan. 4, 2021, 2 p.m. 135.4 ppb (108) 103.4 ppb (102) N/A 32.0 ppb (31) N/A N/A N/A 0.75 ppb (10) N/A N/A 108.0
 
Jan. 4, 2021, 1 p.m. 76.5 ppb (75) 51.3 ppb (49) N/A 26.0 ppb (25) N/A N/A N/A 0.46 ppb (6) N/A N/A 75.0
 
Jan. 4, 2021, noon 59.7 ppb (58) 35.0 ppb (34) N/A 25.0 ppb (24) N/A N/A N/A 0.41 ppb (5) N/A N/A 58.0
 
Jan. 4, 2021, 11 a.m. 45.7 ppb (44) 18.0 ppb (17) N/A 28.0 ppb (27) N/A N/A N/A 0.39 ppb (5) N/A N/A 44.0
 
Jan. 4, 2021, 10 a.m. 44.2 ppb (42) 15.6 ppb (15) N/A 29.0 ppb (28) N/A N/A N/A 0.42 ppb (5) N/A N/A 42.0
 
Jan. 4, 2021, 9 a.m. 60.9 ppb (59) 32.4 ppb (31) N/A 29.0 ppb (28) N/A N/A N/A 0.6 ppb (7) N/A N/A 59.0
 
Jan. 4, 2021, 8 a.m. 50.5 ppb (48) 24.0 ppb (23) N/A 27.0 ppb (26) N/A N/A N/A 0.58 ppb (7) N/A N/A 48.0
 
Jan. 4, 2021, 7 a.m. 51.4 ppb (49) 25.0 ppb (24) N/A 27.0 ppb (26) N/A N/A N/A 0.57 ppb (7) N/A N/A 49.0
 
Jan. 4, 2021, 6 a.m. 53.9 ppb (51) 26.4 ppb (25) N/A 28.0 ppb (27) N/A N/A N/A 0.5 ppb (6) N/A N/A 51.0
 
Jan. 4, 2021, 5 a.m. 47.1 ppb (45) 17.3 ppb (17) N/A 30.0 ppb (29) N/A N/A N/A 0.51 ppb (6) N/A N/A 45.0
 
Jan. 4, 2021, 4 a.m. 51.9 ppb (49) 20.1 ppb (19) N/A 32.0 ppb (31) N/A N/A N/A 0.52 ppb (6) N/A N/A 49.0
 
Jan. 4, 2021, 3 a.m. 41.5 ppb (40) 12.6 ppb (12) N/A 29.0 ppb (28) N/A N/A N/A 0.52 ppb (6) N/A N/A 40.0
 
Jan. 4, 2021, 2 a.m. 43.0 ppb (41) 13.5 ppb (13) N/A 30.0 ppb (29) N/A N/A N/A 0.51 ppb (6) N/A N/A 41.0
 
Jan. 4, 2021, 1 a.m. 38.9 ppb (37) 8.2 ppb (8) N/A 31.0 ppb (30) N/A N/A N/A 0.48 ppb (6) N/A N/A 37.0
 
Jan. 4, 2021, midnight 26.2 ppb (25) 3.7 ppb (4) N/A 22.0 ppb (21) N/A N/A N/A 0.32 ppb (4) N/A N/A 25.0
 
Jan. 3, 2021, 11 p.m. 13.8 ppb (14) 0.8 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.22 ppb (3) N/A N/A 14.0
 
Jan. 3, 2021, 10 p.m. 22.7 ppb (22) 6.1 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.23 ppb (3) N/A N/A 22.0
 
Jan. 3, 2021, 9 p.m. 22.0 ppb (21) 6.2 ppb (6) N/A 16.0 ppb (16) N/A N/A N/A 0.28 ppb (4) N/A N/A 21.0
 
Jan. 3, 2021, 8 p.m. 25.2 ppb (24) 7.2 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.29 ppb (4) N/A N/A 24.0
 
Jan. 3, 2021, 7 p.m. 31.8 ppb (30) 11.4 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A N/A 30.0
 
Jan. 3, 2021, 6 p.m. 43.0 ppb (41) 20.3 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A 0.39 ppb (5) N/A N/A 41.0
 
Jan. 3, 2021, 5 p.m. 67.9 ppb (66) 39.2 ppb (37) N/A 29.0 ppb (28) N/A N/A N/A 0.48 ppb (6) N/A N/A 66.0
 
Jan. 3, 2021, 4 p.m. 61.8 ppb (60) 37.5 ppb (36) N/A 25.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A N/A 60.0
 
Jan. 3, 2021, 3 p.m. 58.0 ppb (56) 36.1 ppb (35) N/A 22.0 ppb (21) N/A N/A N/A 0.45 ppb (6) N/A N/A 56.0
 
Jan. 3, 2021, 2 p.m. 52.7 ppb (50) 30.3 ppb (29) N/A 23.0 ppb (22) N/A N/A N/A 0.42 ppb (5) N/A N/A 50.0
 
Jan. 3, 2021, 1 p.m. 32.0 ppb (31) 9.3 ppb (9) N/A 23.0 ppb (22) N/A N/A N/A 0.41 ppb (5) N/A N/A 31.0
 
Jan. 3, 2021, noon 28.7 ppb (28) 5.4 ppb (6) N/A 23.0 ppb (22) N/A N/A N/A 0.45 ppb (6) N/A N/A 28.0
 
Jan. 3, 2021, 11 a.m. 29.5 ppb (28) 4.5 ppb (5) N/A 25.0 ppb (24) N/A N/A N/A 0.44 ppb (5) N/A N/A 28.0
 
Jan. 3, 2021, 10 a.m. 30.9 ppb (30) 4.9 ppb (5) N/A 26.0 ppb (25) N/A N/A N/A 0.47 ppb (6) N/A N/A 30.0
 
Jan. 3, 2021, 9 a.m. 50.1 ppb (48) 21.6 ppb (21) N/A 29.0 ppb (28) N/A N/A N/A 0.61 ppb (7) N/A N/A 48.0
 
Jan. 3, 2021, 8 a.m. 55.5 ppb (53) 28.8 ppb (28) N/A 27.0 ppb (26) N/A N/A N/A 0.69 ppb (8) N/A N/A 53.0
 
Jan. 3, 2021, 7 a.m. 33.1 ppb (32) 5.7 ppb (6) N/A 28.0 ppb (27) N/A N/A N/A 0.49 ppb (6) N/A N/A 32.0
 
Jan. 3, 2021, 6 a.m. 35.0 ppb (34) 6.8 ppb (7) N/A 28.0 ppb (27) N/A N/A N/A 0.54 ppb (6) N/A N/A 34.0
 
Jan. 3, 2021, 5 a.m. 36.3 ppb (35) 6.3 ppb (6) N/A 30.0 ppb (29) N/A N/A N/A 0.5 ppb (6) N/A N/A 35.0
 
Jan. 3, 2021, 4 a.m. 43.6 ppb (42) 12.8 ppb (13) N/A 31.0 ppb (30) N/A N/A N/A 0.61 ppb (7) N/A N/A 42.0
 
Jan. 3, 2021, 3 a.m. 48.6 ppb (46) 13.8 ppb (14) N/A 35.0 ppb (34) N/A N/A N/A 0.54 ppb (6) N/A N/A 46.0
 
Jan. 3, 2021, 2 a.m. 38.7 ppb (37) 10.1 ppb (10) N/A 29.0 ppb (28) N/A N/A N/A 0.52 ppb (6) N/A N/A 37.0
 
Jan. 3, 2021, 1 a.m. 39.8 ppb (38) 9.1 ppb (9) N/A 31.0 ppb (30) N/A N/A N/A 0.48 ppb (6) N/A N/A 38.0
 
Jan. 3, 2021, midnight 39.9 ppb (38) 11.1 ppb (11) N/A 29.0 ppb (28) N/A N/A N/A 0.38 ppb (5) N/A N/A 38.0
 
Jan. 2, 2021, 11 p.m. 19.3 ppb (19) 3.5 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A 0.26 ppb (4) N/A N/A 19.0
 
Jan. 2, 2021, 10 p.m. 21.1 ppb (20) 5.6 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.27 ppb (4) N/A N/A 20.0
 
Jan. 2, 2021, 9 p.m. 24.8 ppb (24) 7.9 ppb (8) N/A 17.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A N/A 24.0
 
Jan. 2, 2021, 8 p.m. 34.9 ppb (33) 13.5 ppb (13) N/A 21.0 ppb (20) N/A N/A N/A 0.31 ppb (4) N/A N/A 33.0
 
Jan. 2, 2021, 7 p.m. 55.2 ppb (53) 26.3 ppb (25) N/A 29.0 ppb (28) N/A N/A N/A 0.39 ppb (5) N/A N/A 53.0
 
Jan. 2, 2021, 6 p.m. 72.7 ppb (71) 40.5 ppb (39) N/A 32.0 ppb (31) N/A N/A N/A 0.44 ppb (5) N/A N/A 71.0