AQSQID: 060590007

Site Name: Anaheim

Location: Anaheim (Swest Anaheim), CA

Reporting: True, Located: True

Current AQI: 89.0

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. 25, 2020, 9 a.m. 21.7 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (6) 0.47 ppb (5) 34.0 μg/m3 (31) 30.5 μg/m3 (89) 89.0
 
Jan. 25, 2020, 8 a.m. 17.5 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) 0.41 ppb (5) 29.0 μg/m3 (26) 26.9 μg/m3 (82) 82.0
 
Jan. 25, 2020, 7 a.m. 21.1 ppb (20) 1.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.44 ppb (5) 29.0 μg/m3 (26) 27.9 μg/m3 (84) 84.0
 
Jan. 25, 2020, 6 a.m. 14.9 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.35 ppb (4) 26.0 μg/m3 (24) 21.0 μg/m3 (69) 69.0
 
Jan. 25, 2020, 5 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.26 ppb (3) 28.0 μg/m3 (25) 20.3 μg/m3 (68) 68.0
 
Jan. 25, 2020, 4 a.m. 12.9 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.27 ppb (3) 18.0 μg/m3 (16) 22.8 μg/m3 (73) 73.0
 
Jan. 25, 2020, 3 a.m. 15.8 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.32 ppb (4) 21.0 μg/m3 (19) 19.0 μg/m3 (65) 65.0
 
Jan. 25, 2020, 2 a.m. 20.2 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.37 ppb (4) 22.0 μg/m3 (20) 15.4 μg/m3 (57) 57.0
 
Jan. 25, 2020, 1 a.m. 23.5 ppb (22) 1.7 ppb (2) N/A 22.0 ppb (20) N/A N/A 20.0 ppb (15) 0.39 ppb (4) 23.0 μg/m3 (21) 16.1 μg/m3 (59) 59.0
 
Jan. 25, 2020, midnight 25.6 ppb (24) 2.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 27.0 ppb (21) 0.39 ppb (4) 22.0 μg/m3 (20) 22.8 μg/m3 (73) 73.0
 
Jan. 24, 2020, 11 p.m. 27.7 ppb (26) 5.2 ppb (5) N/A 23.0 ppb (21) N/A N/A 28.0 ppb (22) 0.35 ppb (4) 29.0 μg/m3 (26) 14.4 μg/m3 (55) 55.0
 
Jan. 24, 2020, 10 p.m. 23.6 ppb (22) 5.8 ppb (5) N/A 18.0 ppb (17) N/A N/A 30.0 ppb (23) 0.34 ppb (4) 27.0 μg/m3 (25) 13.2 μg/m3 (53) 53.0
 
Jan. 24, 2020, 9 p.m. 24.8 ppb (23) 7.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 28.0 ppb (22) 0.34 ppb (4) 30.0 μg/m3 (27) 12.2 μg/m3 (50) 50.0
 
Jan. 24, 2020, 8 p.m. 29.7 ppb (28) 9.3 ppb (9) N/A 20.0 ppb (19) N/A N/A 26.0 ppb (20) 0.48 ppb (5) 28.0 μg/m3 (25) 15.4 μg/m3 (57) 57.0
 
Jan. 24, 2020, 7 p.m. 28.1 ppb (26) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.45 ppb (5) 30.0 μg/m3 (27) 17.6 μg/m3 (62) 62.0
 
Jan. 24, 2020, 6 p.m. 32.4 ppb (30) 13.3 ppb (12) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.48 ppb (5) 29.0 μg/m3 (26) 19.5 μg/m3 (66) 66.0
 
Jan. 24, 2020, 5 p.m. 55.7 ppb (52) 30.2 ppb (28) N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.64 ppb (7) 34.0 μg/m3 (31) 9.3 μg/m3 (39) 52.0
 
Jan. 24, 2020, 4 p.m. 118.9 ppb (103) 82.3 ppb (80) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 1.17 ppb (13) 47.0 μg/m3 (43) 16.4 μg/m3 (59) 103.0
 
Jan. 24, 2020, 3 p.m. 139.5 ppb (107) 104.0 ppb (101) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 1.51 ppb (17) 49.0 μg/m3 (45) 19.6 μg/m3 (66) 107.0
 
Jan. 24, 2020, 2 p.m. 109.1 ppb (102) 74.7 ppb (72) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.09 ppb (12) 29.0 μg/m3 (26) 12.5 μg/m3 (51) 102.0
 
Jan. 24, 2020, 1 p.m. 81.2 ppb (79) 49.6 ppb (46) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.75 ppb (8) 24.0 μg/m3 (22) 10.6 μg/m3 (44) 79.0
 
Jan. 24, 2020, noon 73.7 ppb (71) 44.5 ppb (41) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.68 ppb (8) 16.0 μg/m3 (15) 8.3 μg/m3 (35) 71.0
 
Jan. 24, 2020, 11 a.m. 94.3 ppb (93) 65.3 ppb (62) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.85 ppb (9) 31.0 μg/m3 (28) 11.1 μg/m3 (46) 93.0
 
Jan. 24, 2020, 10 a.m. 89.9 ppb (88) 61.0 ppb (57) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.87 ppb (10) 24.0 μg/m3 (22) 13.9 μg/m3 (54) 88.0
 
Jan. 24, 2020, 9 a.m. 99.6 ppb (99) 70.5 ppb (68) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.26 ppb (14) 30.0 μg/m3 (27) 14.5 μg/m3 (55) 99.0
 
Jan. 24, 2020, 8 a.m. 91.9 ppb (90) 62.7 ppb (59) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.25 ppb (14) 39.0 μg/m3 (35) 18.5 μg/m3 (64) 90.0
 
Jan. 24, 2020, 7 a.m. 92.5 ppb (91) 61.4 ppb (58) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.25 ppb (14) 44.0 μg/m3 (40) 19.8 μg/m3 (67) 91.0
 
Jan. 24, 2020, 6 a.m. 83.8 ppb (82) 53.6 ppb (50) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.2 ppb (13) 32.0 μg/m3 (29) 19.8 μg/m3 (67) 82.0
 
Jan. 24, 2020, 5 a.m. 52.8 ppb (49) 22.1 ppb (20) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.79 ppb (9) 27.0 μg/m3 (25) 11.2 μg/m3 (47) 49.0
 
Jan. 24, 2020, 4 a.m. 55.6 ppb (52) 21.9 ppb (20) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.86 ppb (10) 31.0 μg/m3 (28) 9.8 μg/m3 (41) 52.0
 
Jan. 24, 2020, 3 a.m. 62.1 ppb (59) 26.0 ppb (24) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.89 ppb (10) 28.0 μg/m3 (25) 9.3 μg/m3 (39) 59.0
 
Jan. 24, 2020, 2 a.m. 41.3 ppb (38) 7.1 ppb (7) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.57 ppb (6) 23.0 μg/m3 (21) 7.6 μg/m3 (32) 38.0
 
Jan. 24, 2020, 1 a.m. 24.7 ppb (23) 1.4 ppb (1) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) 0.36 ppb (4) 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
Jan. 24, 2020, midnight 22.7 ppb (21) 3.0 ppb (3) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (18) 0.31 ppb (3) 26.0 μg/m3 (24) 8.6 μg/m3 (36) 36.0
 
Jan. 23, 2020, 11 p.m. 22.8 ppb (21) 4.9 ppb (5) N/A 18.0 ppb (17) N/A N/A 27.0 ppb (21) 0.29 ppb (3) 29.0 μg/m3 (26) 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2020, 10 p.m. 38.1 ppb (35) 10.8 ppb (10) N/A 27.0 ppb (25) N/A N/A 24.0 ppb (18) 0.43 ppb (5) 35.0 μg/m3 (32) 12.9 μg/m3 (52) 52.0
 
Jan. 23, 2020, 9 p.m. 53.4 ppb (49) 19.3 ppb (18) N/A 34.0 ppb (31) N/A N/A 19.0 ppb (15) 0.59 ppb (7) 34.0 μg/m3 (31) 13.2 μg/m3 (53) 53.0
 
Jan. 23, 2020, 8 p.m. 70.6 ppb (68) 31.1 ppb (29) N/A 39.0 ppb (36) N/A N/A 13.0 ppb (10) 0.73 ppb (8) 41.0 μg/m3 (37) 17.4 μg/m3 (61) 68.0
 
Jan. 23, 2020, 7 p.m. 66.1 ppb (63) 31.4 ppb (29) N/A 35.0 ppb (32) N/A N/A 12.0 ppb (9) 0.83 ppb (9) 47.0 μg/m3 (43) 20.5 μg/m3 (68) 68.0
 
Jan. 23, 2020, 6 p.m. 74.2 ppb (71) 40.0 ppb (37) N/A 34.0 ppb (31) N/A N/A 8.0 ppb (6) 0.91 ppb (10) 46.0 μg/m3 (42) 27.9 μg/m3 (84) 84.0
 
Jan. 23, 2020, 5 p.m. 111.4 ppb (102) 74.9 ppb (72) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 1.12 ppb (12) 47.0 μg/m3 (43) 21.3 μg/m3 (70) 102.0
 
Jan. 23, 2020, 4 p.m. 98.3 ppb (97) 68.8 ppb (66) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 1.16 ppb (13) 37.0 μg/m3 (34) 13.8 μg/m3 (54) 97.0
 
Jan. 23, 2020, 3 p.m. 105.9 ppb (101) 80.1 ppb (78) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.21 ppb (13) 34.0 μg/m3 (31) 14.0 μg/m3 (54) 101.0
 
Jan. 23, 2020, 2 p.m. 110.8 ppb (102) 82.2 ppb (80) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.12 ppb (12) 30.0 μg/m3 (27) 17.6 μg/m3 (62) 102.0
 
Jan. 23, 2020, 1 p.m. 92.4 ppb (91) 63.3 ppb (60) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.88 ppb (10) 34.0 μg/m3 (31) 11.7 μg/m3 (49) 91.0
 
Jan. 23, 2020, noon 74.0 ppb (71) 45.2 ppb (42) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.61 ppb (7) 33.0 μg/m3 (30) 16.0 μg/m3 (59) 71.0
 
Jan. 23, 2020, 11 a.m. 36.5 ppb (34) 6.7 ppb (6) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.37 ppb (4) 27.0 μg/m3 (25) 12.8 μg/m3 (52) 52.0
 
Jan. 23, 2020, 10 a.m. 31.7 ppb (29) 5.0 ppb (5) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 0.37 ppb (4) 35.0 μg/m3 (32) 17.6 μg/m3 (62) 62.0
 
Jan. 23, 2020, 9 a.m. 68.5 ppb (65) 40.5 ppb (38) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.66 ppb (7) 25.0 μg/m3 (23) 12.5 μg/m3 (51) 65.0
 
Jan. 23, 2020, 8 a.m. 91.6 ppb (90) 62.1 ppb (59) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.9 ppb (10) 30.0 μg/m3 (27) 14.7 μg/m3 (56) 90.0
 
Jan. 23, 2020, 7 a.m. 95.8 ppb (94) 62.1 ppb (59) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.94 ppb (10) 31.0 μg/m3 (28) 18.8 μg/m3 (64) 94.0
 
Jan. 23, 2020, 6 a.m. 94.6 ppb (93) 60.0 ppb (56) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 1.08 ppb (12) 31.0 μg/m3 (28) 19.4 μg/m3 (66) 93.0
 
Jan. 23, 2020, 5 a.m. 63.3 ppb (60) 25.8 ppb (24) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.86 ppb (10) 28.0 μg/m3 (25) 11.2 μg/m3 (47) 60.0
 
Jan. 23, 2020, 4 a.m. 36.4 ppb (34) 4.4 ppb (4) N/A 32.0 ppb (30) N/A N/A 6.0 ppb (5) 0.58 ppb (6) 20.0 μg/m3 (18) 7.3 μg/m3 (30) 34.0
 
Jan. 23, 2020, 3 a.m. 21.2 ppb (20) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.37 ppb (4) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 2 a.m. 17.3 ppb (16) 1.1 ppb (1) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) 0.28 ppb (3) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 1 a.m. 15.0 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.31 ppb (3) 20.0 μg/m3 (18) 5.6 μg/m3 (23) 23.0
 
Jan. 23, 2020, midnight 8.9 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.19 ppb (2) 14.0 μg/m3 (13) 5.1 μg/m3 (21) 29.0
 
Jan. 22, 2020, 11 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.18 ppb (2) 16.0 μg/m3 (15) 4.9 μg/m3 (20) 31.0
 
Jan. 22, 2020, 10 p.m. 8.4 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.17 ppb (2) 19.0 μg/m3 (17) 6.1 μg/m3 (25) 30.0
 
Jan. 22, 2020, 9 p.m. 8.7 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) 0.16 ppb (2) 19.0 μg/m3 (17) 4.2 μg/m3 (18) 29.0
 
Jan. 22, 2020, 8 p.m. 10.5 ppb (10) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.17 ppb (2) 15.0 μg/m3 (14) 4.2 μg/m3 (18) 27.0
 
Jan. 22, 2020, 7 p.m. 13.1 ppb (12) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Jan. 22, 2020, 6 p.m. 18.4 ppb (17) 5.4 ppb (5) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.26 ppb (3) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Jan. 22, 2020, 5 p.m. 34.2 ppb (32) 14.1 ppb (13) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) 0.4 ppb (4) 28.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2020, 4 p.m. 69.9 ppb (67) 39.2 ppb (36) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.8 ppb (9) 27.0 μg/m3 (25) 8.6 μg/m3 (36) 67.0
 
Jan. 22, 2020, 3 p.m. 54.0 ppb (50) 24.6 ppb (23) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.75 ppb (8) 33.0 μg/m3 (30) 5.2 μg/m3 (22) 50.0
 
Jan. 22, 2020, 2 p.m. 66.2 ppb (63) 33.9 ppb (31) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.57 ppb (6) 19.0 μg/m3 (17) 5.9 μg/m3 (25) 63.0
 
Jan. 22, 2020, 1 p.m. 48.6 ppb (45) 21.4 ppb (20) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.55 ppb (6) 21.0 μg/m3 (19) 15.6 μg/m3 (58) 58.0
 
Jan. 22, 2020, noon 58.4 ppb (55) 31.5 ppb (29) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.74 ppb (8) 17.0 μg/m3 (15) 9.6 μg/m3 (40) 55.0
 
Jan. 22, 2020, 11 a.m. 46.5 ppb (43) 19.1 ppb (18) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.63 ppb (7) 9.0 μg/m3 (8) 11.8 μg/m3 (49) 49.0
 
Jan. 22, 2020, 10 a.m. 43.0 ppb (40) 14.9 ppb (14) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.56 ppb (6) 17.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
Jan. 22, 2020, 9 a.m. 36.8 ppb (34) 5.3 ppb (5) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.47 ppb (5) 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 22, 2020, 8 a.m. 28.4 ppb (26) 2.0 ppb (2) N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.39 ppb (4) 15.0 μg/m3 (14) 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2020, 7 a.m. 27.6 ppb (26) 2.7 ppb (3) N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) 0.39 ppb (4) 13.0 μg/m3 (12) 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2020, 6 a.m. 25.7 ppb (24) 2.1 ppb (2) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) 0.41 ppb (5) 16.0 μg/m3 (15) 16.4 μg/m3 (59) 59.0
 
Jan. 22, 2020, 5 a.m. 36.7 ppb (34) 6.3 ppb (6) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.57 ppb (6) 19.0 μg/m3 (17) 15.1 μg/m3 (57) 57.0
 
Jan. 22, 2020, 4 a.m. 30.6 ppb (28) 3.0 ppb (3) N/A 28.0 ppb (26) N/A N/A 8.0 ppb (6) 0.47 ppb (5) 17.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
Jan. 22, 2020, 3 a.m. 24.1 ppb (22) 1.8 ppb (2) N/A 22.0 ppb (20) N/A N/A 17.0 ppb (13) 0.47 ppb (5) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
Jan. 22, 2020, 2 a.m. 21.1 ppb (20) 1.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (17) 0.34 ppb (4) 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 22, 2020, 1 a.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.2 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Jan. 22, 2020, midnight 7.4 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.15 ppb (2) 7.0 μg/m3 (6) 4.9 μg/m3 (20) 30.0
 
Jan. 21, 2020, 11 p.m. 7.5 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.14 ppb (2) 8.0 μg/m3 (7) 3.2 μg/m3 (13) 30.0
 
Jan. 21, 2020, 10 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.14 ppb (2) 9.0 μg/m3 (8) 2.4 μg/m3 (10) 30.0
 
Jan. 21, 2020, 9 p.m. 6.9 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.13 ppb (1) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 29.0
 
Jan. 21, 2020, 8 p.m. 8.2 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.17 ppb (2) 10.0 μg/m3 (9) 2.9 μg/m3 (12) 28.0
 
Jan. 21, 2020, 7 p.m. 9.1 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.17 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 27.0
 
Jan. 21, 2020, 6 p.m. 16.9 ppb (16) 3.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.27 ppb (3) 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2020, 5 p.m. 20.6 ppb (19) 4.6 ppb (4) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.31 ppb (3) 15.0 μg/m3 (14) 6.3 μg/m3 (26) 26.0
 
Jan. 21, 2020, 4 p.m. 29.3 ppb (27) 5.2 ppb (5) N/A 24.0 ppb (22) N/A N/A 16.0 ppb (12) 0.39 ppb (4) 18.0 μg/m3 (16) 5.4 μg/m3 (23) 27.0
 
Jan. 21, 2020, 3 p.m. 30.5 ppb (28) 3.4 ppb (3) N/A 27.0 ppb (25) N/A N/A 14.0 ppb (11) 0.47 ppb (5) 6.0 μg/m3 (5) 3.9 μg/m3 (16) 28.0
 
Jan. 21, 2020, 2 p.m. 13.0 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.23 ppb (3) 3.0 μg/m3 (3) 3.7 μg/m3 (15) 23.0
 
Jan. 21, 2020, 1 p.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.15 ppb (2) 1.0 μg/m3 (1) 3.9 μg/m3 (16) 27.0
 
Jan. 21, 2020, noon 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.19 ppb (2) 9.0 μg/m3 (8) 5.1 μg/m3 (21) 24.0
 
Jan. 21, 2020, 11 a.m. 10.9 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.2 ppb (2) 11.0 μg/m3 (10) 8.3 μg/m3 (35) 35.0
 
Jan. 21, 2020, 10 a.m. 16.3 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.27 ppb (3) 18.0 μg/m3 (16) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2020, 9 a.m. 13.2 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.22 ppb (2) 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
Jan. 21, 2020, 8 a.m. 10.6 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.2 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2020, 7 a.m. 11.1 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.21 ppb (2) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
Jan. 21, 2020, 6 a.m. 13.0 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.25 ppb (3) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
Jan. 21, 2020, 5 a.m. 10.2 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.21 ppb (2) 7.0 μg/m3 (6) 8.8 μg/m3 (37) 37.0
 
Jan. 21, 2020, 4 a.m. 10.8 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.22 ppb (2) 16.0 μg/m3 (15) 11.7 μg/m3 (49) 49.0
 
Jan. 21, 2020, 3 a.m. 15.6 ppb (14) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) 0.3 ppb (3) 24.0 μg/m3 (22) 11.7 μg/m3 (49) 49.0
 
Jan. 21, 2020, 2 a.m. 20.6 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.38 ppb (4) 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Jan. 21, 2020, 1 a.m. 18.3 ppb (17) 1.2 ppb (1) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.34 ppb (4) 14.0 μg/m3 (13) 4.4 μg/m3 (18) 19.0
 
Jan. 21, 2020, midnight 12.8 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.28 ppb (3) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2020, 11 p.m. 10.9 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.24 ppb (3) 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
Jan. 20, 2020, 10 p.m. 9.4 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.24 ppb (3) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
Jan. 20, 2020, 9 p.m. 21.2 ppb (20) 5.5 ppb (5) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.41 ppb (5) 27.0 μg/m3 (25) 20.3 μg/m3 (68) 68.0
 
Jan. 20, 2020, 8 p.m. 18.5 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.39 ppb (4) 20.0 μg/m3 (18) 12.9 μg/m3 (52) 52.0
 
Jan. 20, 2020, 7 p.m. 15.7 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.33 ppb (4) 28.0 μg/m3 (25) 13.2 μg/m3 (53) 53.0
 
Jan. 20, 2020, 6 p.m. 32.0 ppb (30) 10.0 ppb (9) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.47 ppb (5) 29.0 μg/m3 (26) 12.4 μg/m3 (51) 51.0
 
Jan. 20, 2020, 5 p.m. 87.4 ppb (86) 52.4 ppb (49) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.97 ppb (11) 49.0 μg/m3 (45) 25.4 μg/m3 (79) 86.0
 
Jan. 20, 2020, 4 p.m. 103.6 ppb (100) 69.8 ppb (67) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.2 ppb (13) 44.0 μg/m3 (40) 19.0 μg/m3 (65) 100.0
 
Jan. 20, 2020, 3 p.m. 80.4 ppb (78) 51.9 ppb (48) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.08 ppb (12) 24.0 μg/m3 (22) 15.7 μg/m3 (58) 78.0
 
Jan. 20, 2020, 2 p.m. 53.9 ppb (50) 26.6 ppb (25) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.85 ppb (9) 23.0 μg/m3 (21) 10.3 μg/m3 (43) 50.0
 
Jan. 20, 2020, 1 p.m. 42.6 ppb (39) 13.5 ppb (12) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.61 ppb (7) 9.0 μg/m3 (8) 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2020, noon 37.9 ppb (35) 9.0 ppb (8) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.49 ppb (5) 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
Jan. 20, 2020, 11 a.m. 38.0 ppb (35) 8.6 ppb (8) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.54 ppb (6) 23.0 μg/m3 (21) 17.6 μg/m3 (62) 62.0
 
Jan. 20, 2020, 10 a.m. 44.6 ppb (41) 14.5 ppb (13) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.66 ppb (7) 23.0 μg/m3 (21) 16.5 μg/m3 (60) 60.0
 
Jan. 20, 2020, 9 a.m. 56.1 ppb (52) 24.8 ppb (23) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.87 ppb (10) 32.0 μg/m3 (29) 19.6 μg/m3 (66) 66.0
 
Jan. 20, 2020, 8 a.m. 60.6 ppb (57) 28.7 ppb (27) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.87 ppb (10) 36.0 μg/m3 (33) 25.7 μg/m3 (79) 79.0
 
Jan. 20, 2020, 7 a.m. 46.2 ppb (43) 15.0 ppb (14) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.78 ppb (9) 28.0 μg/m3 (25) 21.8 μg/m3 (71) 71.0
 
Jan. 20, 2020, 6 a.m. 46.0 ppb (43) 12.8 ppb (12) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.73 ppb (8) 28.0 μg/m3 (25) 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 5 a.m. 39.0 ppb (36) 4.8 ppb (4) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.62 ppb (7) 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
Jan. 20, 2020, 4 a.m. 40.5 ppb (38) 3.7 ppb (3) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.59 ppb (7) 27.0 μg/m3 (25) 18.4 μg/m3 (64) 64.0
 
Jan. 20, 2020, 3 a.m. 60.3 ppb (57) 18.1 ppb (17) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.94 ppb (10) 35.0 μg/m3 (32) 23.2 μg/m3 (74) 74.0
 
Jan. 20, 2020, 2 a.m. 73.6 ppb (71) 29.3 ppb (27) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 1.22 ppb (14) 41.0 μg/m3 (37) 27.5 μg/m3 (83) 83.0
 
Jan. 20, 2020, 1 a.m. 52.5 ppb (49) 9.2 ppb (9) N/A 43.0 ppb (40) N/A N/A 1.0 ppb (1) 0.72 ppb (8) 28.0 μg/m3 (25) 12.4 μg/m3 (51) 51.0
 
Jan. 20, 2020, midnight 41.4 ppb (38) 4.4 ppb (4) N/A 37.0 ppb (34) N/A N/A 9.0 ppb (7) 0.56 ppb (6) 26.0 μg/m3 (24) 15.4 μg/m3 (57) 57.0
 
Jan. 19, 2020, 11 p.m. 36.9 ppb (34) 6.0 ppb (6) N/A 31.0 ppb (29) N/A N/A 17.0 ppb (13) 0.5 ppb (6) 21.0 μg/m3 (19) 7.3 μg/m3 (30) 34.0
 
Jan. 19, 2020, 10 p.m. 36.3 ppb (34) 7.2 ppb (7) N/A 29.0 ppb (27) N/A N/A 19.0 ppb (15) 0.48 ppb (5) 18.0 μg/m3 (16) 7.6 μg/m3 (32) 34.0
 
Jan. 19, 2020, 9 p.m. 30.1 ppb (28) 6.1 ppb (6) N/A 24.0 ppb (22) N/A N/A 24.0 ppb (18) 0.5 ppb (6) 22.0 μg/m3 (20) 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2020, 8 p.m. 20.7 ppb (19) 5.0 ppb (5) N/A 16.0 ppb (15) N/A N/A 32.0 ppb (25) 0.38 ppb (4) 10.0 μg/m3 (9) 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 p.m. 32.0 ppb (30) 10.3 ppb (10) N/A 22.0 ppb (20) N/A N/A 22.0 ppb (17) 0.55 ppb (6) 20.0 μg/m3 (18) 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2020, 6 p.m. 30.7 ppb (28) 9.9 ppb (9) N/A 21.0 ppb (19) N/A N/A 19.0 ppb (15) 0.54 ppb (6) 29.0 μg/m3 (26) 12.9 μg/m3 (52) 52.0
 
Jan. 19, 2020, 5 p.m. 34.0 ppb (31) 13.0 ppb (12) N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.56 ppb (6) 22.0 μg/m3 (20) 14.9 μg/m3 (56) 56.0
 
Jan. 19, 2020, 4 p.m. 48.0 ppb (44) 22.6 ppb (21) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) 0.72 ppb (8) 25.0 μg/m3 (23) 12.5 μg/m3 (51) 51.0
 
Jan. 19, 2020, 3 p.m. 52.2 ppb (48) 24.4 ppb (23) N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) 0.75 ppb (8) 19.0 μg/m3 (17) 10.5 μg/m3 (44) 48.0
 
Jan. 19, 2020, 2 p.m. 58.2 ppb (54) 30.0 ppb (28) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.82 ppb (9) 22.0 μg/m3 (20) 11.8 μg/m3 (49) 54.0
 
Jan. 19, 2020, 1 p.m. 62.8 ppb (59) 35.0 ppb (32) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.99 ppb (11) 18.0 μg/m3 (16) 14.0 μg/m3 (54) 59.0
 
Jan. 19, 2020, noon 70.4 ppb (67) 41.8 ppb (39) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.11 ppb (12) 18.0 μg/m3 (16) 9.1 μg/m3 (38) 67.0
 
Jan. 19, 2020, 11 a.m. 45.7 ppb (42) 25.5 ppb (24) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.77 ppb (9) 14.0 μg/m3 (13) 4.2 μg/m3 (18) 42.0
 
Jan. 19, 2020, 10 a.m. 89.5 ppb (88) 60.7 ppb (57) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.54 ppb (17) 38.0 μg/m3 (35) 25.0 μg/m3 (78) 88.0
 
Jan. 19, 2020, 9 a.m. 86.9 ppb (85) 57.9 ppb (54) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.53 ppb (17) 41.0 μg/m3 (37) 29.2 μg/m3 (87) 87.0
 
Jan. 19, 2020, 8 a.m. 84.9 ppb (83) 54.3 ppb (50) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.51 ppb (17) 44.0 μg/m3 (40) 27.8 μg/m3 (84) 84.0
 
Jan. 19, 2020, 7 a.m. 93.4 ppb (92) 59.6 ppb (56) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.51 ppb (17) 47.0 μg/m3 (43) 29.6 μg/m3 (87) 92.0
 
Jan. 19, 2020, 6 a.m. 89.6 ppb (88) 53.2 ppb (49) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 1.44 ppb (16) 47.0 μg/m3 (43) 25.2 μg/m3 (78) 88.0
 
Jan. 19, 2020, 5 a.m. 86.4 ppb (84) 48.5 ppb (45) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 2.03 ppb (23) 42.0 μg/m3 (38) 21.3 μg/m3 (70) 84.0
 
Jan. 19, 2020, 4 a.m. 67.9 ppb (65) 27.3 ppb (25) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 1.07 ppb (12) 34.0 μg/m3 (31) 16.5 μg/m3 (60) 65.0
 
Jan. 19, 2020, 3 a.m. 38.8 ppb (36) 5.5 ppb (5) N/A 33.0 ppb (31) N/A N/A 7.0 ppb (5) 0.56 ppb (6) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 36.0
 
Jan. 19, 2020, 2 a.m. 34.9 ppb (32) 3.4 ppb (3) N/A 31.0 ppb (29) N/A N/A 13.0 ppb (10) 0.5 ppb (6) 24.0 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
Jan. 19, 2020, 1 a.m. 48.6 ppb (45) 6.7 ppb (6) N/A 42.0 ppb (39) N/A N/A 4.0 ppb (3) 0.7 ppb (8) 27.0 μg/m3 (25) 9.1 μg/m3 (38) 45.0
 
Jan. 19, 2020, midnight 33.2 ppb (31) 3.8 ppb (4) N/A 29.0 ppb (27) N/A N/A 20.0 ppb (15) 0.47 ppb (5) 16.0 μg/m3 (15) 3.7 μg/m3 (15) 31.0
 
Jan. 18, 2020, 11 p.m. 25.0 ppb (23) 3.9 ppb (4) N/A 21.0 ppb (19) N/A N/A 28.0 ppb (22) 0.35 ppb (4) 20.0 μg/m3 (18) 2.9 μg/m3 (12) 23.0
 
Jan. 18, 2020, 10 p.m. 24.9 ppb (23) 5.5 ppb (5) N/A 19.0 ppb (18) N/A N/A 30.0 ppb (23) 0.34 ppb (4) 20.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2020, 9 p.m. 26.4 ppb (24) 7.4 ppb (7) N/A 19.0 ppb (18) N/A N/A 29.0 ppb (22) 0.39 ppb (4) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
Jan. 18, 2020, 8 p.m. 22.6 ppb (21) 5.7 ppb (5) N/A 17.0 ppb (16) N/A N/A 30.0 ppb (23) 0.36 ppb (4) 19.0 μg/m3 (17) 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2020, 7 p.m. 24.9 ppb (23) 7.3 ppb (7) N/A 18.0 ppb (17) N/A N/A 28.0 ppb (22) 0.39 ppb (4) 19.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2020, 6 p.m. 37.9 ppb (35) 14.8 ppb (14) N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.56 ppb (6) 24.0 μg/m3 (22) 15.1 μg/m3 (57) 57.0
 
Jan. 18, 2020, 5 p.m. 76.7 ppb (74) 42.9 ppb (40) N/A 34.0 ppb (31) N/A N/A 7.0 ppb (5) 1.07 ppb (12) 27.0 μg/m3 (25) 18.3 μg/m3 (63) 74.0
 
Jan. 18, 2020, 4 p.m. 99.8 ppb (99) 68.1 ppb (65) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 1.35 ppb (15) 32.0 μg/m3 (29) 22.8 μg/m3 (73) 99.0
 
Jan. 18, 2020, 3 p.m. 111.1 ppb (102) 82.8 ppb (81) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.54 ppb (17) 24.0 μg/m3 (22) 10.3 μg/m3 (43) 102.0
 
Jan. 18, 2020, 2 p.m. 79.2 ppb (77) 51.9 ppb (48) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.09 ppb (12) 11.0 μg/m3 (10) 6.9 μg/m3 (29) 77.0
 
Jan. 18, 2020, 1 p.m. 56.8 ppb (53) 25.4 ppb (24) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.63 ppb (7) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 53.0
 
Jan. 18, 2020, noon 56.2 ppb (52) 23.6 ppb (22) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 0.52 ppb (6) 13.0 μg/m3 (12) 7.6 μg/m3 (32) 52.0
 
Jan. 18, 2020, 11 a.m. 37.2 ppb (34) 6.5 ppb (6) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.4 ppb (4) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 34.0
 
Jan. 18, 2020, 10 a.m. 45.2 ppb (42) 15.4 ppb (14) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 0.48 ppb (5) 24.0 μg/m3 (22) 19.8 μg/m3 (67) 67.0