ID: 168

AQSQID: 060590007

Site Name: Anaheim

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

Updated: Jan. 15, 2021, 8:31 p.m.

Location: Anaheim (Swest Anaheim), CA

Reporting: True, Located: True

Current AQI: 33.0

Anaheim (Swest Anaheim) CA, US: 33.830586, -117.938509

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 15, 2021, 7 p.m. 14.4 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.21 ppb (3) 31.9 μg/m3 (30) 4.8 μg/m3 (20) 33.0
 
Jan. 15, 2021, 6 p.m. 16.1 ppb (16) 4.6 ppb (5) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 44.5 μg/m3 (42) 7.5 μg/m3 (32) 42.0
 
Jan. 15, 2021, 5 p.m. 14.9 ppb (15) 3.7 ppb (4) N/A 11.0 ppb (11) N/A N/A 31.0 ppb (29) 0.22 ppb (3) 55.2 μg/m3 (52) 9.3 μg/m3 (39) 52.0
 
Jan. 15, 2021, 4 p.m. 72.2 ppb (71) 37.5 ppb (36) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.7 ppb (8) 74.5 μg/m3 (61) 12.1 μg/m3 (51) 71.0
 
Jan. 15, 2021, 3 p.m. 114.6 ppb (104) 73.8 ppb (73) N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 1.08 ppb (13) 90.2 μg/m3 (69) 10.5 μg/m3 (44) 104.0
 
Jan. 15, 2021, 2 p.m. 93.7 ppb (94) 56.4 ppb (54) N/A 37.0 ppb (35) N/A N/A -1.0 ppb (0) 0.91 ppb (11) 39.2 μg/m3 (37) 6.8 μg/m3 (29) 94.0
 
Jan. 15, 2021, 1 p.m. 76.7 ppb (76) 38.3 ppb (37) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.67 ppb (8) 33.7 μg/m3 (32) 5.5 μg/m3 (23) 76.0
 
Jan. 15, 2021, noon 53.6 ppb (51) 16.1 ppb (16) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 25.2 μg/m3 (24) 5.0 μg/m3 (21) 51.0
 
Jan. 15, 2021, 11 a.m. 50.8 ppb (48) 13.2 ppb (13) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 0.47 ppb (6) 26.1 μg/m3 (25) 3.6 μg/m3 (16) 48.0
 
Jan. 15, 2021, 10 a.m. 48.4 ppb (46) 11.6 ppb (11) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.44 ppb (5) 19.1 μg/m3 (18) 4.3 μg/m3 (18) 46.0
 
Jan. 15, 2021, 9 a.m. 59.0 ppb (57) 18.8 ppb (18) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 0.56 ppb (7) 21.7 μg/m3 (21) 9.8 μg/m3 (41) 57.0
 
Jan. 15, 2021, 8 a.m. 82.2 ppb (82) 37.0 ppb (35) N/A 45.0 ppb (43) N/A N/A 0.0 ppb (0) 0.85 ppb (10) 38.2 μg/m3 (36) 11.1 μg/m3 (47) 82.0
 
Jan. 15, 2021, 7 a.m. 61.3 ppb (59) 25.3 ppb (24) N/A 36.0 ppb (34) N/A N/A 6.0 ppb (6) 0.65 ppb (8) 38.2 μg/m3 (36) 5.3 μg/m3 (23) 59.0
 
Jan. 15, 2021, 6 a.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 28.8 μg/m3 (27) 3.9 μg/m3 (17) 29.0
 
Jan. 15, 2021, 5 a.m. 19.6 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (21) 0.28 ppb (4) 36.1 μg/m3 (34) 6.8 μg/m3 (29) 34.0
 
Jan. 15, 2021, 4 a.m. 144.3 ppb (110) 84.4 ppb (84) N/A 60.0 ppb (58) N/A N/A 0.0 ppb (0) 1.59 ppb (19) 65.7 μg/m3 (57) 23.2 μg/m3 (75) 110.0
 
Jan. 15, 2021, 3 a.m. 157.6 ppb (112) 93.2 ppb (93) N/A 64.0 ppb (62) N/A N/A 0.0 ppb (0) 1.74 ppb (20) 67.4 μg/m3 (58) 23.6 μg/m3 (76) 112.0
 
Jan. 15, 2021, 2 a.m. 130.1 ppb (107) 68.5 ppb (67) N/A 62.0 ppb (60) N/A N/A 0.0 ppb (0) 1.49 ppb (18) 63.2 μg/m3 (56) 20.4 μg/m3 (69) 107.0
 
Jan. 15, 2021, 1 a.m. 98.9 ppb (99) 35.2 ppb (34) N/A 64.0 ppb (62) N/A N/A 0.0 ppb (0) 1.01 ppb (12) 55.7 μg/m3 (52) 20.4 μg/m3 (69) 99.0
 
Jan. 15, 2021, midnight 92.8 ppb (93) 25.7 ppb (25) N/A 67.0 ppb (65) N/A N/A 2.0 ppb (2) 0.77 ppb (10) 64.4 μg/m3 (56) 24.1 μg/m3 (77) 93.0
 
Jan. 14, 2021, 11 p.m. 97.8 ppb (98) 34.9 ppb (33) N/A 63.0 ppb (61) N/A N/A 8.0 ppb (8) 0.79 ppb (10) 70.1 μg/m3 (59) 23.9 μg/m3 (76) 98.0
 
Jan. 14, 2021, 10 p.m. 66.8 ppb (65) 20.5 ppb (20) N/A 46.0 ppb (44) N/A N/A 16.0 ppb (15) 0.74 ppb (8) 56.6 μg/m3 (52) 18.7 μg/m3 (65) 65.0
 
Jan. 14, 2021, 9 p.m. 65.2 ppb (63) 22.4 ppb (22) N/A 43.0 ppb (41) N/A N/A 16.0 ppb (15) 0.77 ppb (10) 58.4 μg/m3 (53) 15.8 μg/m3 (59) 63.0
 
Jan. 14, 2021, 8 p.m. 74.1 ppb (73) 28.3 ppb (27) N/A 46.0 ppb (44) N/A N/A 14.0 ppb (13) 0.87 ppb (11) 60.6 μg/m3 (54) 19.7 μg/m3 (67) 73.0
 
Jan. 14, 2021, 7 p.m. 88.5 ppb (88) 38.5 ppb (37) N/A 50.0 ppb (48) N/A N/A 11.0 ppb (11) 1.06 ppb (13) 62.7 μg/m3 (55) 24.4 μg/m3 (77) 88.0
 
Jan. 14, 2021, 6 p.m. 96.5 ppb (97) 47.8 ppb (46) N/A 49.0 ppb (47) N/A N/A 8.0 ppb (8) 1.11 ppb (13) 73.3 μg/m3 (61) 31.7 μg/m3 (93) 97.0
 
Jan. 14, 2021, 5 p.m. 113.8 ppb (104) 65.7 ppb (64) N/A 48.0 ppb (46) N/A N/A 4.0 ppb (4) 1.23 ppb (14) 76.9 μg/m3 (62) 23.2 μg/m3 (75) 104.0
 
Jan. 14, 2021, 4 p.m. 133.2 ppb (108) 88.4 ppb (88) N/A 45.0 ppb (43) N/A N/A 1.0 ppb (1) 1.4 ppb (16) 57.7 μg/m3 (53) 19.7 μg/m3 (67) 108.0
 
Jan. 14, 2021, 3 p.m. 156.3 ppb (112) 117.0 ppb (105) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.8 ppb (21) 57.8 μg/m3 (53) 19.0 μg/m3 (66) 112.0
 
Jan. 14, 2021, 2 p.m. 131.4 ppb (107) 95.8 ppb (96) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 1.49 ppb (18) 42.6 μg/m3 (40) 13.9 μg/m3 (55) 107.0
 
Jan. 14, 2021, 1 p.m. 105.6 ppb (102) 69.1 ppb (68) N/A 37.0 ppb (35) N/A N/A -1.0 ppb (0) 0.96 ppb (12) 36.3 μg/m3 (34) 14.8 μg/m3 (57) 102.0
 
Jan. 14, 2021, noon 101.5 ppb (102) 63.4 ppb (62) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.88 ppb (11) 41.4 μg/m3 (39) 14.1 μg/m3 (56) 102.0
 
Jan. 14, 2021, 11 a.m. 82.2 ppb (82) 43.9 ppb (42) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.75 ppb (10) 23.6 μg/m3 (22) 15.6 μg/m3 (59) 82.0
 
Jan. 14, 2021, 10 a.m. 81.6 ppb (81) 43.2 ppb (41) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.75 ppb (10) 43.6 μg/m3 (41) 18.0 μg/m3 (64) 81.0
 
Jan. 14, 2021, 9 a.m. 94.7 ppb (95) 56.6 ppb (54) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.93 ppb (11) 26.4 μg/m3 (25) 12.6 μg/m3 (53) 95.0
 
Jan. 14, 2021, 8 a.m. 114.1 ppb (104) 75.7 ppb (75) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 1.19 ppb (14) 42.6 μg/m3 (40) 15.8 μg/m3 (59) 104.0
 
Jan. 14, 2021, 7 a.m. 131.5 ppb (107) 88.1 ppb (88) N/A 43.0 ppb (41) N/A N/A 0.0 ppb (0) 1.46 ppb (18) 46.5 μg/m3 (44) 18.0 μg/m3 (64) 107.0
 
Jan. 14, 2021, 6 a.m. 157.2 ppb (112) 111.0 ppb (103) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 1.61 ppb (19) 66.7 μg/m3 (57) 29.0 μg/m3 (87) 112.0
 
Jan. 14, 2021, 5 a.m. 165.9 ppb (114) 118.7 ppb (105) N/A 47.0 ppb (45) N/A N/A 0.0 ppb (0) 2.06 ppb (24) 67.7 μg/m3 (58) 21.5 μg/m3 (71) 114.0
 
Jan. 14, 2021, 4 a.m. 135.2 ppb (108) 91.4 ppb (91) N/A 44.0 ppb (42) N/A N/A 0.0 ppb (0) 1.68 ppb (20) 55.7 μg/m3 (52) 25.1 μg/m3 (79) 108.0
 
Jan. 14, 2021, 3 a.m. 132.9 ppb (108) 86.2 ppb (86) N/A 47.0 ppb (45) N/A N/A 0.0 ppb (0) 1.58 ppb (19) 51.9 μg/m3 (49) 20.4 μg/m3 (69) 108.0
 
Jan. 14, 2021, 2 a.m. 102.5 ppb (102) 55.1 ppb (53) N/A 47.0 ppb (45) N/A N/A 0.0 ppb (0) 1.21 ppb (14) 50.9 μg/m3 (48) 15.3 μg/m3 (58) 102.0
 
Jan. 14, 2021, 1 a.m. 85.1 ppb (85) 33.0 ppb (32) N/A 52.0 ppb (50) N/A N/A -1.0 ppb (0) 0.8 ppb (10) 38.2 μg/m3 (36) 7.8 μg/m3 (33) 85.0
 
Jan. 14, 2021, midnight 84.6 ppb (84) 29.6 ppb (28) N/A 55.0 ppb (53) N/A N/A 0.0 ppb (0) 0.7 ppb (8) 52.5 μg/m3 (49) 14.6 μg/m3 (57) 84.0
 
Jan. 13, 2021, 11 p.m. 69.2 ppb (68) 27.4 ppb (26) N/A 42.0 ppb (40) N/A N/A 13.0 ppb (13) 0.56 ppb (7) 43.1 μg/m3 (40) 8.3 μg/m3 (35) 68.0
 
Jan. 13, 2021, 10 p.m. 36.5 ppb (35) 9.2 ppb (9) N/A 27.0 ppb (26) N/A N/A 24.0 ppb (23) 0.37 ppb (5) 33.7 μg/m3 (32) 5.8 μg/m3 (25) 35.0
 
Jan. 13, 2021, 9 p.m. 68.0 ppb (66) 26.0 ppb (25) N/A 42.0 ppb (40) N/A N/A 13.0 ppb (13) 0.61 ppb (7) 43.0 μg/m3 (40) 16.1 μg/m3 (60) 66.0
 
Jan. 13, 2021, 8 p.m. 64.2 ppb (62) 23.5 ppb (23) N/A 41.0 ppb (39) N/A N/A 10.0 ppb (10) 0.63 ppb (7) 41.6 μg/m3 (39) 14.3 μg/m3 (56) 62.0
 
Jan. 13, 2021, 7 p.m. 66.5 ppb (65) 28.3 ppb (27) N/A 38.0 ppb (36) N/A N/A 10.0 ppb (10) 0.69 ppb (8) 47.7 μg/m3 (45) 15.8 μg/m3 (59) 65.0
 
Jan. 13, 2021, 6 p.m. 81.0 ppb (80) 41.6 ppb (40) N/A 39.0 ppb (37) N/A N/A 7.0 ppb (7) 0.82 ppb (10) 40.6 μg/m3 (38) 19.4 μg/m3 (67) 80.0
 
Jan. 13, 2021, 5 p.m. 87.1 ppb (87) 48.5 ppb (46) N/A 39.0 ppb (37) N/A N/A 4.0 ppb (4) 0.84 ppb (10) 41.4 μg/m3 (39) 23.2 μg/m3 (75) 87.0
 
Jan. 13, 2021, 4 p.m. 131.1 ppb (107) 88.0 ppb (88) N/A 43.0 ppb (41) N/A N/A 1.0 ppb (1) 1.43 ppb (16) 57.0 μg/m3 (52) 24.1 μg/m3 (77) 107.0
 
Jan. 13, 2021, 3 p.m. 162.9 ppb (113) 120.3 ppb (105) N/A 43.0 ppb (41) N/A N/A -1.0 ppb (0) 1.37 ppb (16) 59.0 μg/m3 (53) 13.1 μg/m3 (54) 113.0
 
Jan. 13, 2021, 2 p.m. 118.1 ppb (105) 82.0 ppb (81) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 1.08 ppb (13) 39.7 μg/m3 (37) 13.1 μg/m3 (54) 105.0
 
Jan. 13, 2021, 1 p.m. 105.0 ppb (102) 70.4 ppb (69) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 1.31 ppb (15) 30.8 μg/m3 (29) 10.2 μg/m3 (43) 102.0
 
Jan. 13, 2021, noon 85.7 ppb (85) 53.0 ppb (50) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.77 ppb (10) 24.9 μg/m3 (24) 8.2 μg/m3 (35) 85.0
 
Jan. 13, 2021, 11 a.m. 74.7 ppb (74) 40.1 ppb (38) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.63 ppb (7) 28.1 μg/m3 (27) 8.3 μg/m3 (35) 74.0
 
Jan. 13, 2021, 10 a.m. 77.2 ppb (76) 42.0 ppb (40) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.68 ppb (8) 34.7 μg/m3 (33) 7.7 μg/m3 (33) 76.0
 
Jan. 13, 2021, 9 a.m. 94.0 ppb (94) 57.9 ppb (56) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.86 ppb (11) 36.0 μg/m3 (34) 16.6 μg/m3 (61) 94.0
 
Jan. 13, 2021, 8 a.m. 110.7 ppb (103) 72.4 ppb (71) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.99 ppb (12) 36.4 μg/m3 (34) 18.2 μg/m3 (64) 103.0
 
Jan. 13, 2021, 7 a.m. 120.1 ppb (105) 81.1 ppb (80) N/A 39.0 ppb (37) N/A N/A -1.0 ppb (0) 1.17 ppb (14) 41.7 μg/m3 (39) 16.3 μg/m3 (60) 105.0
 
Jan. 13, 2021, 6 a.m. 116.3 ppb (104) 75.7 ppb (75) N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 1.31 ppb (15) 51.7 μg/m3 (48) 19.4 μg/m3 (67) 104.0
 
Jan. 13, 2021, 5 a.m. 111.2 ppb (103) 69.6 ppb (68) N/A 42.0 ppb (40) N/A N/A -1.0 ppb (0) 1.47 ppb (18) 41.9 μg/m3 (39) 18.5 μg/m3 (65) 103.0
 
Jan. 13, 2021, 4 a.m. 90.2 ppb (90) 45.5 ppb (43) N/A 45.0 ppb (43) N/A N/A -1.0 ppb (0) 1.01 ppb (12) 38.0 μg/m3 (36) 11.4 μg/m3 (48) 90.0
 
Jan. 13, 2021, 3 a.m. 74.3 ppb (73) 28.9 ppb (28) N/A 45.0 ppb (43) N/A N/A -1.0 ppb (0) 0.86 ppb (11) 42.9 μg/m3 (40) 17.5 μg/m3 (63) 73.0
 
Jan. 13, 2021, 2 a.m. 62.1 ppb (60) 14.6 ppb (14) N/A 48.0 ppb (46) N/A N/A -1.0 ppb (0) 0.59 ppb (7) 25.2 μg/m3 (24) 7.0 μg/m3 (30) 60.0
 
Jan. 13, 2021, 1 a.m. 54.6 ppb (52) 6.6 ppb (7) N/A 48.0 ppb (46) N/A N/A 0.0 ppb (0) 0.44 ppb (5) 29.5 μg/m3 (28) 9.2 μg/m3 (39) 52.0
 
Jan. 13, 2021, midnight 31.7 ppb (30) 2.9 ppb (3) N/A 29.0 ppb (28) N/A N/A 17.0 ppb (16) 0.35 ppb (4) 30.3 μg/m3 (29) 5.5 μg/m3 (23) 30.0
 
Jan. 12, 2021, 11 p.m. 30.7 ppb (29) 4.5 ppb (5) N/A 26.0 ppb (25) N/A N/A 21.0 ppb (20) 0.32 ppb (4) 24.6 μg/m3 (23) 2.4 μg/m3 (10) 29.0
 
Jan. 12, 2021, 10 p.m. 37.3 ppb (36) 7.9 ppb (8) N/A 29.0 ppb (28) N/A N/A 21.0 ppb (20) 0.36 ppb (5) 24.6 μg/m3 (23) 6.3 μg/m3 (27) 36.0
 
Jan. 12, 2021, 9 p.m. 21.4 ppb (21) 5.2 ppb (5) N/A 16.0 ppb (16) N/A N/A 32.0 ppb (30) 0.29 ppb (4) 20.4 μg/m3 (19) 5.3 μg/m3 (23) 30.0
 
Jan. 12, 2021, 8 p.m. 18.1 ppb (18) 4.5 ppb (5) N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.27 ppb (4) 20.2 μg/m3 (19) 4.4 μg/m3 (19) 30.0
 
Jan. 12, 2021, 7 p.m. 17.7 ppb (17) 4.6 ppb (5) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.26 ppb (4) 22.9 μg/m3 (22) 8.5 μg/m3 (36) 36.0
 
Jan. 12, 2021, 6 p.m. 29.9 ppb (29) 9.8 ppb (10) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (21) 0.38 ppb (5) 17.3 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
Jan. 12, 2021, 5 p.m. 48.8 ppb (47) 20.4 ppb (20) N/A 28.0 ppb (27) N/A N/A 12.0 ppb (12) 0.43 ppb (5) 50.4 μg/m3 (47) 18.5 μg/m3 (65) 65.0
 
Jan. 12, 2021, 4 p.m. 68.0 ppb (66) 33.0 ppb (32) N/A 35.0 ppb (34) N/A N/A 4.0 ppb (4) 0.59 ppb (7) 36.4 μg/m3 (34) 17.0 μg/m3 (62) 66.0
 
Jan. 12, 2021, 3 p.m. 132.2 ppb (107) 91.8 ppb (92) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 1.03 ppb (12) 52.1 μg/m3 (49) N/A 107.0
 
Jan. 12, 2021, 2 p.m. 134.9 ppb (108) 94.9 ppb (95) N/A 40.0 ppb (38) N/A N/A -1.0 ppb (0) 1.04 ppb (12) 38.7 μg/m3 (36) N/A 108.0
 
Jan. 12, 2021, 1 p.m. 108.2 ppb (103) 69.7 ppb (68) N/A 39.0 ppb (37) N/A N/A -1.0 ppb (0) 0.81 ppb (10) 25.1 μg/m3 (24) N/A 103.0
 
Jan. 12, 2021, noon 96.4 ppb (97) 58.3 ppb (56) N/A 38.0 ppb (36) N/A N/A -1.0 ppb (0) 0.68 ppb (8) 25.2 μg/m3 (24) N/A 97.0
 
Jan. 12, 2021, 11 a.m. 56.8 ppb (54) 23.2 ppb (22) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 0.56 ppb (7) 21.0 μg/m3 (20) N/A 54.0
 
Jan. 12, 2021, 10 a.m. 45.9 ppb (44) 13.2 ppb (13) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.48 ppb (6) 15.7 μg/m3 (15) N/A 44.0
 
Jan. 12, 2021, 9 a.m. 49.1 ppb (47) 13.8 ppb (14) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 0.51 ppb (6) 13.2 μg/m3 (13) N/A 47.0
 
Jan. 12, 2021, 8 a.m. 45.3 ppb (43) 8.5 ppb (9) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 17.8 μg/m3 (17) N/A 43.0
 
Jan. 12, 2021, 7 a.m. 31.3 ppb (30) 2.5 ppb (3) N/A 29.0 ppb (28) N/A N/A 6.0 ppb (6) 0.35 ppb (4) 11.0 μg/m3 (11) N/A 30.0
 
Jan. 12, 2021, 6 a.m. 52.6 ppb (50) 16.0 ppb (16) N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.55 ppb (7) 28.9 μg/m3 (27) N/A 50.0
 
Jan. 12, 2021, 5 a.m. 119.5 ppb (105) 75.6 ppb (75) N/A 44.0 ppb (42) N/A N/A 0.0 ppb (0) 1.36 ppb (16) 50.4 μg/m3 (47) N/A 105.0
 
Jan. 12, 2021, 4 a.m. 120.6 ppb (105) 74.9 ppb (74) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 1.41 ppb (16) 47.8 μg/m3 (45) N/A 105.0
 
Jan. 12, 2021, 3 a.m. 89.6 ppb (89) 43.5 ppb (42) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 1.12 ppb (13) 40.2 μg/m3 (38) N/A 89.0
 
Jan. 12, 2021, 2 a.m. 60.3 ppb (58) 14.7 ppb (14) N/A 46.0 ppb (44) N/A N/A 0.0 ppb (0) 0.75 ppb (10) 30.1 μg/m3 (28) N/A 58.0
 
Jan. 12, 2021, 1 a.m. 48.1 ppb (46) 5.8 ppb (6) N/A 42.0 ppb (40) N/A N/A 3.0 ppb (3) 0.53 ppb (6) 28.1 μg/m3 (27) N/A 46.0
 
Jan. 12, 2021, midnight 33.7 ppb (32) 3.5 ppb (4) N/A 30.0 ppb (29) N/A N/A 18.0 ppb (17) 0.41 ppb (5) 21.0 μg/m3 (20) N/A 32.0
 
Jan. 11, 2021, 11 p.m. 22.2 ppb (21) 3.5 ppb (4) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (31) 0.33 ppb (4) 26.0 μg/m3 (25) N/A 31.0
 
Jan. 11, 2021, 10 p.m. 20.3 ppb (20) 4.4 ppb (5) N/A 16.0 ppb (16) N/A N/A 34.0 ppb (32) 0.34 ppb (4) 20.2 μg/m3 (19) N/A 32.0
 
Jan. 11, 2021, 9 p.m. 15.7 ppb (15) 3.7 ppb (4) N/A 12.0 ppb (12) N/A N/A 34.0 ppb (32) 0.29 ppb (4) 13.3 μg/m3 (13) N/A 32.0
 
Jan. 11, 2021, 8 p.m. 25.4 ppb (24) 7.2 ppb (7) N/A 18.0 ppb (17) N/A N/A 27.0 ppb (25) 0.3 ppb (4) 22.4 μg/m3 (21) N/A 25.0
 
Jan. 11, 2021, 7 p.m. 25.0 ppb (24) 7.4 ppb (7) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (24) 0.32 ppb (4) 25.8 μg/m3 (24) N/A 24.0
 
Jan. 11, 2021, 6 p.m. 45.4 ppb (43) 19.2 ppb (19) N/A 26.0 ppb (25) N/A N/A 15.0 ppb (14) 0.48 ppb (6) 31.9 μg/m3 (30) N/A 43.0
 
Jan. 11, 2021, 5 p.m. 91.7 ppb (92) 55.0 ppb (53) N/A 37.0 ppb (35) N/A N/A 5.0 ppb (5) 0.84 ppb (10) 54.3 μg/m3 (51) N/A 92.0
 
Jan. 11, 2021, 4 p.m. 124.1 ppb (106) 85.2 ppb (85) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.17 ppb (14) 45.7 μg/m3 (43) N/A 106.0
 
Jan. 11, 2021, 3 p.m. 134.8 ppb (108) 95.8 ppb (96) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 1.26 ppb (15) 67.7 μg/m3 (58) N/A 108.0
 
Jan. 11, 2021, 2 p.m. 100.7 ppb (101) 66.5 ppb (65) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 1.2 ppb (14) 41.9 μg/m3 (39) N/A 101.0
 
Jan. 11, 2021, 1 p.m. 89.7 ppb (90) 58.1 ppb (56) N/A 32.0 ppb (31) N/A N/A -1.0 ppb (0) 0.96 ppb (12) 17.6 μg/m3 (17) N/A 90.0
 
Jan. 11, 2021, noon 88.7 ppb (88) 55.7 ppb (53) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.86 ppb (11) 21.0 μg/m3 (20) N/A 88.0
 
Jan. 11, 2021, 11 a.m. 80.3 ppb (80) 47.9 ppb (46) N/A 32.0 ppb (31) N/A N/A -1.0 ppb (0) 0.83 ppb (10) 47.1 μg/m3 (44) N/A 80.0
 
Jan. 11, 2021, 10 a.m. 53.1 ppb (51) 22.5 ppb (22) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.63 ppb (7) 12.9 μg/m3 (12) N/A 51.0
 
Jan. 11, 2021, 9 a.m. 35.3 ppb (34) 4.6 ppb (5) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 0.51 ppb (6) 22.3 μg/m3 (21) N/A 34.0
 
Jan. 11, 2021, 8 a.m. 37.8 ppb (36) 7.2 ppb (7) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 0.6 ppb (7) 24.5 μg/m3 (23) N/A 36.0
 
Jan. 11, 2021, 7 a.m. 56.6 ppb (54) 23.2 ppb (22) N/A 33.0 ppb (32) N/A N/A -1.0 ppb (0) 0.82 ppb (10) 31.8 μg/m3 (30) N/A 54.0
 
Jan. 11, 2021, 6 a.m. 71.3 ppb (70) 36.0 ppb (34) N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 1.32 ppb (15) 40.7 μg/m3 (38) N/A 70.0
 
Jan. 11, 2021, 5 a.m. 77.5 ppb (77) 38.0 ppb (36) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 1.29 ppb (15) 42.2 μg/m3 (40) N/A 77.0
 
Jan. 11, 2021, 4 a.m. 66.8 ppb (65) 25.8 ppb (25) N/A 41.0 ppb (39) N/A N/A 0.0 ppb (0) 0.98 ppb (12) 41.2 μg/m3 (39) N/A 65.0
 
Jan. 11, 2021, 3 a.m. 51.4 ppb (49) 12.5 ppb (12) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.78 ppb (10) 36.1 μg/m3 (34) N/A 49.0
 
Jan. 11, 2021, 2 a.m. 41.6 ppb (40) 5.1 ppb (5) N/A 37.0 ppb (35) N/A N/A 5.0 ppb (5) 0.6 ppb (7) 27.3 μg/m3 (26) N/A 40.0
 
Jan. 11, 2021, 1 a.m. 26.0 ppb (25) 1.3 ppb (2) N/A 25.0 ppb (24) N/A N/A 22.0 ppb (21) 0.37 ppb (5) 9.3 μg/m3 (9) N/A 25.0
 
Jan. 11, 2021, midnight 21.1 ppb (20) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 27.0 ppb (25) 0.29 ppb (4) 13.6 μg/m3 (13) N/A 25.0
 
Jan. 10, 2021, 11 p.m. 23.5 ppb (23) 4.8 ppb (5) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (25) 0.28 ppb (4) 13.1 μg/m3 (13) N/A 25.0
 
Jan. 10, 2021, 10 p.m. 14.6 ppb (14) 3.1 ppb (3) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.27 ppb (4) 20.2 μg/m3 (19) N/A 33.0
 
Jan. 10, 2021, 9 p.m. 13.6 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A 33.0 ppb (31) 0.27 ppb (4) 15.1 μg/m3 (14) N/A 31.0
 
Jan. 10, 2021, 8 p.m. 15.4 ppb (15) 3.2 ppb (4) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.29 ppb (4) 8.6 μg/m3 (8) N/A 28.0
 
Jan. 10, 2021, 7 p.m. 14.7 ppb (14) 3.7 ppb (4) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) 0.28 ppb (4) 14.1 μg/m3 (14) N/A 28.0
 
Jan. 10, 2021, 6 p.m. 20.8 ppb (20) 6.5 ppb (7) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.33 ppb (4) 8.6 μg/m3 (8) N/A 25.0
 
Jan. 10, 2021, 5 p.m. 65.2 ppb (63) 33.2 ppb (32) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.89 ppb (11) 24.9 μg/m3 (24) N/A 63.0
 
Jan. 10, 2021, 4 p.m. 77.7 ppb (77) 45.6 ppb (44) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) 1.16 ppb (14) 38.8 μg/m3 (36) N/A 77.0
 
Jan. 10, 2021, 3 p.m. 83.4 ppb (83) 54.4 ppb (52) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 1.13 ppb (13) 24.9 μg/m3 (24) N/A 83.0
 
Jan. 10, 2021, 2 p.m. 67.7 ppb (66) 39.2 ppb (37) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.95 ppb (11) 29.5 μg/m3 (28) N/A 66.0
 
Jan. 10, 2021, 1 p.m. 57.4 ppb (55) 27.8 ppb (27) N/A 30.0 ppb (29) N/A N/A -1.0 ppb (0) 0.78 ppb (10) 22.8 μg/m3 (22) N/A 55.0
 
Jan. 10, 2021, noon 44.6 ppb (43) 13.8 ppb (14) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.65 ppb (8) 21.5 μg/m3 (20) N/A 43.0
 
Jan. 10, 2021, 11 a.m. 30.4 ppb (29) 2.6 ppb (3) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 0.52 ppb (6) 22.7 μg/m3 (22) N/A 29.0
 
Jan. 10, 2021, 10 a.m. 6.8 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.18 ppb (3) 4.2 μg/m3 (4) N/A 30.0
 
Jan. 10, 2021, 9 a.m. 6.2 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.16 ppb (3) 4.9 μg/m3 (5) N/A 32.0
 
Jan. 10, 2021, 8 a.m. 7.0 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.18 ppb (3) 5.7 μg/m3 (6) N/A 31.0
 
Jan. 10, 2021, 7 a.m. 11.3 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.24 ppb (3) 6.4 μg/m3 (6) N/A 26.0
 
Jan. 10, 2021, 6 a.m. 26.1 ppb (25) 1.8 ppb (2) N/A 24.0 ppb (23) N/A N/A 12.0 ppb (12) 0.48 ppb (6) 23.3 μg/m3 (22) N/A 25.0
 
Jan. 10, 2021, 5 a.m. 37.1 ppb (35) 4.9 ppb (5) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.63 ppb (7) 25.9 μg/m3 (24) N/A 35.0
 
Jan. 10, 2021, 4 a.m. 36.1 ppb (35) 3.8 ppb (4) N/A 32.0 ppb (31) N/A N/A 6.0 ppb (6) 0.63 ppb (7) 25.7 μg/m3 (24) N/A 35.0
 
Jan. 10, 2021, 3 a.m. 24.7 ppb (24) 2.1 ppb (2) N/A 23.0 ppb (22) N/A N/A 17.0 ppb (16) 0.43 ppb (5) 17.9 μg/m3 (17) N/A 24.0
 
Jan. 10, 2021, 2 a.m. 21.5 ppb (21) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (20) 0.41 ppb (5) 21.5 μg/m3 (20) N/A 21.0
 
Jan. 10, 2021, 1 a.m. 22.2 ppb (21) 1.4 ppb (2) N/A 21.0 ppb (20) N/A N/A 20.0 ppb (19) 0.39 ppb (5) 22.3 μg/m3 (21) N/A 21.0
 
Jan. 10, 2021, midnight 19.4 ppb (19) 2.3 ppb (3) N/A 17.0 ppb (17) N/A N/A 27.0 ppb (25) 0.32 ppb (4) 30.0 μg/m3 (28) N/A 28.0
 
Jan. 9, 2021, 11 p.m. 24.1 ppb (23) 4.1 ppb (4) N/A 20.0 ppb (19) N/A N/A 26.0 ppb (25) 0.4 ppb (5) 36.5 μg/m3 (34) N/A 34.0
 
Jan. 9, 2021, 10 p.m. 22.0 ppb (21) 4.8 ppb (5) N/A 17.0 ppb (17) N/A N/A 30.0 ppb (28) 0.35 ppb (4) 39.2 μg/m3 (37) N/A 37.0
 
Jan. 9, 2021, 9 p.m. 29.2 ppb (28) 8.0 ppb (8) N/A 21.0 ppb (20) N/A N/A 25.0 ppb (24) 0.43 ppb (5) 42.1 μg/m3 (39) N/A 39.0
 
Jan. 9, 2021, 8 p.m. 35.5 ppb (34) 11.2 ppb (11) N/A 24.0 ppb (23) N/A N/A 22.0 ppb (21) 0.49 ppb (6) 61.6 μg/m3 (55) N/A 55.0
 
Jan. 9, 2021, 7 p.m. 33.9 ppb (32) 11.3 ppb (11) N/A 23.0 ppb (22) N/A N/A 20.0 ppb (19) 0.48 ppb (6) 58.4 μg/m3 (53) N/A 53.0
 
Jan. 9, 2021, 6 p.m. 36.4 ppb (35) 13.1 ppb (13) N/A 23.0 ppb (22) N/A N/A 17.0 ppb (16) 0.51 ppb (6) 45.0 μg/m3 (42) N/A 42.0
 
Jan. 9, 2021, 5 p.m. 56.1 ppb (54) 26.8 ppb (26) N/A 29.0 ppb (28) N/A N/A 8.0 ppb (8) 0.71 ppb (8) 47.1 μg/m3 (44) N/A 54.0
 
Jan. 9, 2021, 4 p.m. 76.6 ppb (76) 45.2 ppb (43) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) 0.87 ppb (11) 48.3 μg/m3 (45) N/A 76.0
 
Jan. 9, 2021, 3 p.m. 84.0 ppb (83) 52.6 ppb (50) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 1.06 ppb (13) 56.3 μg/m3 (52) N/A 83.0
 
Jan. 9, 2021, 2 p.m. 89.1 ppb (89) 57.3 ppb (55) N/A 32.0 ppb (31) N/A N/A -1.0 ppb (0) 0.87 ppb (11) 53.1 μg/m3 (50) N/A 89.0
 
Jan. 9, 2021, 1 p.m. 80.4 ppb (80) 49.6 ppb (47) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.82 ppb (10) 36.8 μg/m3 (35) N/A 80.0
 
Jan. 9, 2021, noon 79.3 ppb (78) 48.5 ppb (46) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.77 ppb (10) 35.8 μg/m3 (34) N/A 78.0
 
Jan. 9, 2021, 11 a.m. 74.9 ppb (74) 44.1 ppb (42) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.89 ppb (11) 39.3 μg/m3 (37) N/A 74.0
 
Jan. 9, 2021, 10 a.m. 69.1 ppb (68) 37.9 ppb (36) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 0.92 ppb (11) 40.5 μg/m3 (38) N/A 68.0
 
Jan. 9, 2021, 9 a.m. 66.2 ppb (64) 34.3 ppb (33) N/A 32.0 ppb (31) N/A N/A -1.0 ppb (0) 0.99 ppb (12) 47.9 μg/m3 (45) N/A 64.0
 
Jan. 9, 2021, 8 a.m. 70.0 ppb (69) 39.0 ppb (37) N/A 31.0 ppb (30) N/A N/A -1.0 ppb (0) 1.19 ppb (14) 47.4 μg/m3 (44) N/A 69.0
 
Jan. 9, 2021, 7 a.m. 79.7 ppb (79) 47.6 ppb (45) N/A 32.0 ppb (31) N/A N/A -1.0 ppb (0) 1.34 ppb (15) 59.5 μg/m3 (54) N/A 79.0
 
Jan. 9, 2021, 6 a.m. 72.8 ppb (72) 38.9 ppb (37) N/A 34.0 ppb (33) N/A N/A -1.0 ppb (0) 1.24 ppb (14) 61.5 μg/m3 (55) N/A 72.0
 
Jan. 9, 2021, 5 a.m. 68.4 ppb (67) 33.1 ppb (32) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 1.08 ppb (13) 55.3 μg/m3 (52) N/A 67.0
 
Jan. 9, 2021, 4 a.m. 65.4 ppb (64) 30.6 ppb (29) N/A 35.0 ppb (34) N/A N/A -1.0 ppb (0) 1.02 ppb (12) 49.7 μg/m3 (47) N/A 64.0
 
Jan. 9, 2021, 3 a.m. 56.0 ppb (54) 19.7 ppb (19) N/A 36.0 ppb (34) N/A N/A -1.0 ppb (0) 0.79 ppb (10) 56.8 μg/m3 (52) N/A 54.0
 
Jan. 9, 2021, 2 a.m. 44.0 ppb (42) 6.0 ppb (6) N/A 38.0 ppb (36) N/A N/A 0.0 ppb (0) 0.56 ppb (7) 42.4 μg/m3 (40) N/A 42.0
 
Jan. 9, 2021, 1 a.m. 44.6 ppb (43) 4.5 ppb (5) N/A 40.0 ppb (38) N/A N/A 0.0 ppb (0) 0.5 ppb (6) 36.3 μg/m3 (34) N/A 43.0
 
Jan. 9, 2021, midnight 44.4 ppb (42) 7.4 ppb (7) N/A 37.0 ppb (35) N/A N/A 6.0 ppb (6) 0.48 ppb (6) 41.9 μg/m3 (39) N/A 42.0
 
Jan. 8, 2021, 11 p.m. 37.3 ppb (36) 7.8 ppb (8) N/A 29.0 ppb (28) N/A N/A 20.0 ppb (19) 0.44 ppb (5) 38.0 μg/m3 (36) N/A 36.0
 
Jan. 8, 2021, 10 p.m. 40.4 ppb (39) 11.8 ppb (12) N/A 29.0 ppb (28) N/A N/A 20.0 ppb (19) 0.48 ppb (6) 43.4 μg/m3 (41) N/A 41.0
 
Jan. 8, 2021, 9 p.m. 43.1 ppb (41) 14.1 ppb (14) N/A 29.0 ppb (28) N/A N/A 19.0 ppb (18) 0.56 ppb (7) 32.2 μg/m3 (30) N/A 41.0
 
Jan. 8, 2021, 8 p.m. 49.7 ppb (47) 19.7 ppb (19) N/A 30.0 ppb (29) N/A N/A 15.0 ppb (14) 0.69 ppb (8) 36.3 μg/m3 (34) N/A 47.0