AQSQID: 840060374010

Site Name: North Holywood

Location: N Hollywood (N Hollywood), CA

Reporting: True, Located: True

Current AQI: 39.0

N Hollywood (N Hollywood) CA, US: 34.181977, -118.363036

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2020, noon 33.8 ppb (31) 9.4 ppb (9) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2020, 11 a.m. 33.2 ppb (31) 7.1 ppb (7) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 19, 2020, 10 a.m. 33.1 ppb (31) 6.8 ppb (6) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 19, 2020, 9 a.m. 51.4 ppb (48) 22.1 ppb (20) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 19, 2020, 8 a.m. 50.0 ppb (46) 21.3 ppb (20) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 19, 2020, 7 a.m. 38.1 ppb (35) 8.6 ppb (8) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 19, 2020, 6 a.m. 35.5 ppb (33) 6.5 ppb (6) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) N/A N/A 12.9 μg/m3 (52) 52.0
 
Jan. 19, 2020, 5 a.m. 26.6 ppb (25) 0.5 ppb (0) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) N/A N/A 16.6 μg/m3 (60) 60.0
 
Jan. 19, 2020, 4 a.m. 34.5 ppb (32) 6.6 ppb (6) N/A 28.0 ppb (26) N/A N/A 8.0 ppb (6) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 19, 2020, 3 a.m. 60.3 ppb (57) 25.5 ppb (24) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 21.8 μg/m3 (71) 71.0
 
Jan. 19, 2020, 2 a.m. 61.8 ppb (58) 26.4 ppb (24) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) N/A N/A 18.7 μg/m3 (64) 64.0
 
Jan. 19, 2020, 1 a.m. 37.1 ppb (34) 7.5 ppb (7) N/A 30.0 ppb (28) N/A N/A 5.0 ppb (4) N/A N/A 5.9 μg/m3 (25) 34.0
 
Jan. 19, 2020, midnight 14.8 ppb (14) 0.1 ppb (0) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
Jan. 18, 2020, 11 p.m. 4.8 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
Jan. 18, 2020, 10 p.m. 3.3 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Jan. 18, 2020, 9 p.m. 2.2 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 2.3 μg/m3 (10) 35.0
 
Jan. 18, 2020, 8 p.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Jan. 18, 2020, 7 p.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 3.7 μg/m3 (15) 31.0
 
Jan. 18, 2020, 6 p.m. 12.7 ppb (12) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2020, 5 p.m. 39.1 ppb (36) 16.4 ppb (15) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 18, 2020, 4 p.m. 70.4 ppb (67) 40.3 ppb (37) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) N/A N/A 10.4 μg/m3 (43) 67.0
 
Jan. 18, 2020, 3 p.m. 75.7 ppb (73) 48.1 ppb (45) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 12.4 μg/m3 (51) 73.0
 
Jan. 18, 2020, 2 p.m. 52.3 ppb (48) 27.8 ppb (26) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 19.9 μg/m3 (67) 67.0
 
Jan. 18, 2020, 1 p.m. 27.8 ppb (26) 3.7 ppb (3) N/A 24.0 ppb (22) N/A N/A 4.0 ppb (3) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2020, noon 31.7 ppb (29) 5.4 ppb (5) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 18, 2020, 11 a.m. 35.1 ppb (32) 8.6 ppb (8) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 18, 2020, 10 a.m. 29.3 ppb (27) 3.7 ppb (3) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A 4.3 μg/m3 (18) 27.0
 
Jan. 18, 2020, 9 a.m. 30.5 ppb (28) 5.8 ppb (5) N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 18, 2020, 8 a.m. 51.2 ppb (47) 26.6 ppb (25) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 18.5 μg/m3 (64) 64.0
 
Jan. 18, 2020, 7 a.m. 49.8 ppb (46) 24.8 ppb (23) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) N/A N/A 15.6 μg/m3 (58) 58.0
 
Jan. 18, 2020, 6 a.m. 43.4 ppb (40) 17.3 ppb (16) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 19.5 μg/m3 (66) 66.0
 
Jan. 18, 2020, 5 a.m. 56.2 ppb (52) 25.5 ppb (24) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 21.3 μg/m3 (70) 70.0
 
Jan. 18, 2020, 4 a.m. 61.7 ppb (58) 31.0 ppb (29) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 13.7 μg/m3 (54) 58.0
 
Jan. 18, 2020, 3 a.m. 59.2 ppb (56) 25.4 ppb (24) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (50) 56.0
 
Jan. 18, 2020, 2 a.m. 36.6 ppb (34) 5.0 ppb (5) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) N/A N/A 21.3 μg/m3 (70) 70.0
 
Jan. 18, 2020, 1 a.m. 19.5 ppb (18) -0.4 ppb (0) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (16) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 18, 2020, midnight 13.2 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 30.0 ppb (23) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2020, 11 p.m. 9.1 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) N/A N/A 4.7 μg/m3 (20) 26.0
 
Jan. 17, 2020, 10 p.m. 8.3 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 4.2 μg/m3 (18) 27.0
 
Jan. 17, 2020, 9 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Jan. 17, 2020, 8 p.m. 7.7 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 17, 2020, 7 p.m. 9.5 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 17, 2020, 6 p.m. 11.2 ppb (10) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2020, 5 p.m. 49.1 ppb (45) 23.6 ppb (22) N/A 26.0 ppb (24) N/A N/A 13.0 ppb (10) N/A N/A 10.0 μg/m3 (42) 45.0
 
Jan. 17, 2020, 4 p.m. 83.1 ppb (81) 51.7 ppb (48) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) N/A N/A 10.0 μg/m3 (42) 81.0
 
Jan. 17, 2020, 3 p.m. 57.3 ppb (54) 26.9 ppb (25) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) N/A N/A 7.5 μg/m3 (31) 54.0
 
Jan. 17, 2020, 2 p.m. 37.8 ppb (35) 8.2 ppb (8) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 6.8 μg/m3 (28) 35.0
 
Jan. 17, 2020, 1 p.m. 27.5 ppb (25) 3.9 ppb (4) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 17, 2020, noon 23.1 ppb (21) 1.0 ppb (1) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2020, 11 a.m. 11.8 ppb (11) -0.8 ppb (0) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 17, 2020, 10 a.m. 9.4 ppb (9) -0.7 ppb (0) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 17, 2020, 9 a.m. 5.8 ppb (5) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 17, 2020, 8 a.m. 6.7 ppb (6) -0.8 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 17, 2020, 7 a.m. 11.8 ppb (11) -0.7 ppb (0) N/A 12.0 ppb (11) N/A N/A 24.0 ppb (18) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 17, 2020, 6 a.m. 11.0 ppb (10) -0.7 ppb (0) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2020, 5 a.m. 8.3 ppb (8) -0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 17, 2020, 4 a.m. 9.8 ppb (9) -0.6 ppb (0) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 17, 2020, 3 a.m. 10.7 ppb (10) -0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 17, 2020, 2 a.m. 9.4 ppb (9) -0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) N/A N/A 6.1 μg/m3 (25) 27.0
 
Jan. 17, 2020, 1 a.m. 7.7 ppb (7) -0.7 ppb (0) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 17, 2020, midnight 6.7 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 9.9 μg/m3 (41) 41.0
 
Jan. 16, 2020, 11 p.m. 9.6 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 16, 2020, 10 p.m. 21.9 ppb (20) 1.9 ppb (2) N/A 20.0 ppb (19) N/A N/A 32.0 ppb (25) N/A N/A 18.9 μg/m3 (65) 65.0
 
Jan. 16, 2020, 9 p.m. 21.3 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 35.0 ppb (27) N/A N/A 28.2 μg/m3 (84) 84.0
 
Jan. 16, 2020, 8 p.m. 19.3 ppb (18) 2.8 ppb (3) N/A 17.0 ppb (16) N/A N/A 36.0 ppb (28) N/A N/A 30.3 μg/m3 (89) 89.0
 
Jan. 16, 2020, 7 p.m. 19.9 ppb (18) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 31.0 ppb (24) N/A N/A 40.8 μg/m3 (113) 113.0
 
Jan. 16, 2020, 6 p.m. 30.0 ppb (28) 7.6 ppb (7) N/A 22.0 ppb (20) N/A N/A 20.0 ppb (15) N/A N/A 50.0 μg/m3 (136) 136.0
 
Jan. 16, 2020, 5 p.m. 49.2 ppb (46) 18.9 ppb (18) N/A 30.0 ppb (28) N/A N/A 7.0 ppb (5) N/A N/A 57.8 μg/m3 (151) 151.0
 
Jan. 16, 2020, 4 p.m. 49.3 ppb (46) 19.9 ppb (18) N/A 29.0 ppb (27) N/A N/A 4.0 ppb (3) N/A N/A 50.4 μg/m3 (137) 137.0
 
Jan. 16, 2020, 3 p.m. 63.9 ppb (61) 31.5 ppb (29) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 43.2 μg/m3 (119) 119.0
 
Jan. 16, 2020, 2 p.m. 76.6 ppb (74) 44.5 ppb (41) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 37.5 μg/m3 (105) 105.0
 
Jan. 16, 2020, 1 p.m. 59.4 ppb (56) 28.5 ppb (26) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 29.5 μg/m3 (87) 87.0
 
Jan. 16, 2020, noon 34.4 ppb (32) 4.1 ppb (4) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 37.3 μg/m3 (104) 104.0
 
Jan. 16, 2020, 11 a.m. 93.3 ppb (92) 64.1 ppb (61) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 22.9 μg/m3 (73) 92.0
 
Jan. 16, 2020, 10 a.m. 105.7 ppb (101) 76.9 ppb (74) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 37.3 μg/m3 (104) 104.0
 
Jan. 16, 2020, 9 a.m. 121.1 ppb (104) 90.4 ppb (89) N/A 31.0 ppb (29) N/A N/A -1.0 ppb (0) N/A N/A 41.9 μg/m3 (116) 116.0
 
Jan. 16, 2020, 8 a.m. 125.5 ppb (105) 91.8 ppb (90) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A 41.7 μg/m3 (116) 116.0
 
Jan. 16, 2020, 7 a.m. 109.0 ppb (102) 72.0 ppb (69) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 47.8 μg/m3 (131) 131.0
 
Jan. 16, 2020, 6 a.m. 95.2 ppb (94) 55.7 ppb (52) N/A 39.0 ppb (36) N/A N/A -2.0 ppb (0) N/A N/A 39.8 μg/m3 (111) 111.0
 
Jan. 16, 2020, 5 a.m. 107.3 ppb (101) 66.4 ppb (63) N/A 41.0 ppb (38) N/A N/A -2.0 ppb (0) N/A N/A 46.9 μg/m3 (128) 128.0
 
Jan. 16, 2020, 4 a.m. 83.3 ppb (81) 39.2 ppb (36) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) N/A N/A 44.5 μg/m3 (122) 122.0
 
Jan. 16, 2020, 3 a.m. 55.8 ppb (52) 10.5 ppb (10) N/A 45.0 ppb (42) N/A N/A 0.0 ppb (0) N/A N/A 40.1 μg/m3 (112) 112.0
 
Jan. 16, 2020, 2 a.m. 39.9 ppb (37) 1.4 ppb (1) N/A 39.0 ppb (36) N/A N/A 10.0 ppb (8) N/A N/A 34.0 μg/m3 (97) 97.0
 
Jan. 16, 2020, 1 a.m. 25.2 ppb (23) -0.6 ppb (0) N/A 26.0 ppb (24) N/A N/A 30.0 ppb (23) N/A N/A 31.1 μg/m3 (91) 91.0
 
Jan. 16, 2020, midnight 21.1 ppb (20) 0.0 ppb (0) N/A 21.0 ppb (19) N/A N/A 38.0 ppb (29) N/A N/A 31.2 μg/m3 (91) 91.0
 
Jan. 15, 2020, 11 p.m. 22.6 ppb (21) 1.4 ppb (1) N/A 21.0 ppb (19) N/A N/A 40.0 ppb (31) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 15, 2020, 10 p.m. 22.4 ppb (21) 2.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 40.0 ppb (31) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 15, 2020, 9 p.m. 20.9 ppb (19) 3.2 ppb (3) N/A 18.0 ppb (17) N/A N/A 39.0 ppb (30) N/A N/A 20.6 μg/m3 (68) 68.0
 
Jan. 15, 2020, 8 p.m. 16.6 ppb (15) 2.5 ppb (2) N/A 14.0 ppb (13) N/A N/A 41.0 ppb (32) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 15, 2020, 7 p.m. 23.9 ppb (22) 6.2 ppb (6) N/A 18.0 ppb (17) N/A N/A 30.0 ppb (23) N/A N/A 24.5 μg/m3 (77) 77.0
 
Jan. 15, 2020, 6 p.m. 58.5 ppb (55) 29.3 ppb (27) N/A 29.0 ppb (27) N/A N/A 15.0 ppb (12) N/A N/A 31.7 μg/m3 (92) 92.0
 
Jan. 15, 2020, 5 p.m. 131.3 ppb (106) 89.2 ppb (87) N/A 42.0 ppb (39) N/A N/A 5.0 ppb (4) N/A N/A 39.3 μg/m3 (110) 110.0
 
Jan. 15, 2020, 4 p.m. 134.8 ppb (106) 102.6 ppb (100) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 25.8 μg/m3 (79) 106.0
 
Jan. 15, 2020, 3 p.m. 113.1 ppb (102) 91.6 ppb (90) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 16.3 μg/m3 (59) 102.0
 
Jan. 15, 2020, 2 p.m. 86.6 ppb (85) 66.1 ppb (63) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 15.6 μg/m3 (58) 85.0
 
Jan. 15, 2020, 1 p.m. 71.2 ppb (68) 50.0 ppb (46) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 26.8 μg/m3 (81) 81.0
 
Jan. 15, 2020, noon 54.8 ppb (51) 33.5 ppb (31) N/A 21.0 ppb (19) N/A N/A -2.0 ppb (0) N/A N/A 11.4 μg/m3 (48) 51.0
 
Jan. 15, 2020, 11 a.m. 48.5 ppb (45) 24.8 ppb (23) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 15, 2020, 10 a.m. 47.3 ppb (44) 20.0 ppb (19) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 15, 2020, 9 a.m. 23.0 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A 19.2 μg/m3 (65) 65.0
 
Jan. 15, 2020, 8 a.m. 50.8 ppb (47) 25.9 ppb (24) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 20.5 μg/m3 (68) 68.0
 
Jan. 15, 2020, 7 a.m. 61.8 ppb (58) 33.6 ppb (31) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 29.3 μg/m3 (87) 87.0
 
Jan. 15, 2020, 6 a.m. 54.6 ppb (51) 23.7 ppb (22) N/A 31.0 ppb (29) N/A N/A N/A N/A N/A 16.6 μg/m3 (60) 60.0
 
Jan. 15, 2020, 5 a.m. 46.1 ppb (43) 14.5 ppb (13) N/A 32.0 ppb (30) N/A N/A -3.0 ppb (0) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 15, 2020, 4 a.m. 42.0 ppb (39) 11.5 ppb (11) N/A 31.0 ppb (29) N/A N/A -3.0 ppb (0) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 15, 2020, 3 a.m. 25.8 ppb (24) 0.8 ppb (1) N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2020, 2 a.m. 19.4 ppb (18) 0.0 ppb (0) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (17) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 15, 2020, 1 a.m. 14.1 ppb (13) -0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2020, midnight 10.0 ppb (9) -0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 41.0 ppb (32) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 14, 2020, 11 p.m. 10.2 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2020, 10 p.m. 17.2 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 41.0 ppb (32) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2020, 9 p.m. 26.8 ppb (25) 5.3 ppb (5) N/A 21.0 ppb (19) N/A N/A 35.0 ppb (27) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 14, 2020, 8 p.m. 24.7 ppb (23) 5.8 ppb (5) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (25) N/A N/A 20.6 μg/m3 (68) 68.0
 
Jan. 14, 2020, 7 p.m. 27.8 ppb (26) 8.8 ppb (8) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (20) N/A N/A 17.9 μg/m3 (63) 63.0
 
Jan. 14, 2020, 6 p.m. 29.6 ppb (27) 11.1 ppb (10) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (17) N/A N/A 18.1 μg/m3 (63) 63.0
 
Jan. 14, 2020, 5 p.m. 59.0 ppb (55) 30.5 ppb (28) N/A 28.0 ppb (26) N/A N/A 10.0 ppb (8) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 14, 2020, 4 p.m. 103.6 ppb (100) 72.2 ppb (69) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) N/A N/A 25.3 μg/m3 (78) 100.0
 
Jan. 14, 2020, 3 p.m. 115.6 ppb (103) 89.7 ppb (88) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 33.1 μg/m3 (95) 103.0
 
Jan. 14, 2020, 2 p.m. 94.6 ppb (93) 70.7 ppb (68) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 18.5 μg/m3 (64) 93.0
 
Jan. 14, 2020, 1 p.m. 70.4 ppb (67) 49.6 ppb (46) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 34.1 μg/m3 (97) 97.0
 
Jan. 14, 2020, noon 73.5 ppb (71) 52.0 ppb (48) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 20.2 μg/m3 (67) 71.0
 
Jan. 14, 2020, 11 a.m. 68.8 ppb (66) 45.1 ppb (42) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) N/A N/A 22.4 μg/m3 (72) 72.0
 
Jan. 14, 2020, 10 a.m. 59.4 ppb (56) 34.7 ppb (32) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 56.0
 
Jan. 14, 2020, 9 a.m. 48.5 ppb (45) 23.4 ppb (22) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) N/A N/A 22.4 μg/m3 (72) 72.0
 
Jan. 14, 2020, 8 a.m. 42.5 ppb (39) 17.3 ppb (16) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 21.5 μg/m3 (70) 70.0
 
Jan. 14, 2020, 7 a.m. 48.2 ppb (45) 18.0 ppb (17) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) N/A N/A 22.2 μg/m3 (72) 72.0
 
Jan. 14, 2020, 6 a.m. 51.0 ppb (47) 16.3 ppb (15) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A 25.1 μg/m3 (78) 78.0
 
Jan. 14, 2020, 5 a.m. 41.9 ppb (39) 6.8 ppb (6) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 23.2 μg/m3 (74) 74.0
 
Jan. 14, 2020, 4 a.m. 28.3 ppb (26) 1.3 ppb (1) N/A 27.0 ppb (25) N/A N/A 11.0 ppb (8) N/A N/A 19.3 μg/m3 (66) 66.0
 
Jan. 14, 2020, 3 a.m. 18.5 ppb (17) -0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (20) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2020, 2 a.m. 18.9 ppb (18) -0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 28.0 ppb (22) N/A N/A 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2020, 1 a.m. 15.0 ppb (14) -0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 35.0 ppb (27) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 14, 2020, midnight 11.6 ppb (11) -0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 40.0 ppb (31) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 13, 2020, 11 p.m. 12.5 ppb (12) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 41.0 ppb (32) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2020, 10 p.m. 10.7 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) N/A N/A 15.7 μg/m3 (58) 58.0
 
Jan. 13, 2020, 9 p.m. 11.2 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 43.0 ppb (33) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 13, 2020, 8 p.m. 12.1 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) N/A N/A 15.7 μg/m3 (58) 58.0
 
Jan. 13, 2020, 7 p.m. 11.1 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) N/A N/A 19.6 μg/m3 (66) 66.0
 
Jan. 13, 2020, 6 p.m. 28.1 ppb (26) 10.6 ppb (10) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 13, 2020, 5 p.m. 72.0 ppb (69) 42.0 ppb (39) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) N/A N/A 23.4 μg/m3 (74) 74.0
 
Jan. 13, 2020, 4 p.m. 110.4 ppb (102) 81.8 ppb (80) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) N/A N/A 23.9 μg/m3 (75) 102.0
 
Jan. 13, 2020, 3 p.m. 96.2 ppb (95) 73.5 ppb (71) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 18.5 μg/m3 (64) 95.0
 
Jan. 13, 2020, 2 p.m. 73.1 ppb (70) 51.7 ppb (48) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (56) 70.0
 
Jan. 13, 2020, 1 p.m. 57.1 ppb (53) 36.2 ppb (34) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 18.7 μg/m3 (64) 64.0
 
Jan. 13, 2020, noon 55.5 ppb (52) 36.9 ppb (34) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) N/A N/A 27.5 μg/m3 (83) 83.0
 
Jan. 13, 2020, 11 a.m. 47.0 ppb (44) 27.3 ppb (25) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 8.7 μg/m3 (36) 44.0
 
Jan. 13, 2020, 10 a.m. 47.7 ppb (44) 27.3 ppb (25) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 13, 2020, 9 a.m. 55.0 ppb (51) 33.5 ppb (31) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 22.6 μg/m3 (73) 73.0
 
Jan. 13, 2020, 8 a.m. 52.2 ppb (48) 29.7 ppb (28) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 20.5 μg/m3 (68) 68.0
 
Jan. 13, 2020, 7 a.m. 55.8 ppb (52) 29.3 ppb (27) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 28.3 μg/m3 (85) 85.0
 
Jan. 13, 2020, 6 a.m. 55.4 ppb (51) 27.2 ppb (25) N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 23.9 μg/m3 (75) 75.0
 
Jan. 13, 2020, 5 a.m. 42.8 ppb (40) 12.2 ppb (11) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 24.2 μg/m3 (76) 76.0
 
Jan. 13, 2020, 4 a.m. 43.7 ppb (40) 15.4 ppb (14) N/A 28.0 ppb (26) N/A N/A 4.0 ppb (3) N/A N/A 25.7 μg/m3 (79) 79.0
 
Jan. 13, 2020, 3 a.m. 17.4 ppb (16) -0.4 ppb (0) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) N/A N/A 19.9 μg/m3 (67) 67.0
 
Jan. 13, 2020, 2 a.m. 9.2 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) N/A N/A 16.9 μg/m3 (60) 60.0
 
Jan. 13, 2020, 1 a.m. 7.9 ppb (7) -0.7 ppb (0) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 13, 2020, midnight 7.0 ppb (6) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A 9.9 μg/m3 (41) 41.0
 
Jan. 12, 2020, 11 p.m. 7.1 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2020, 10 p.m. 8.8 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 12, 2020, 9 p.m. 8.8 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2020, 8 p.m. 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 12, 2020, 7 p.m. 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2020, 6 p.m. 12.9 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 12, 2020, 5 p.m. 27.5 ppb (25) 11.6 ppb (11) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A N/A 14.6 μg/m3 (56) 56.0
 
Jan. 12, 2020, 4 p.m. 43.5 ppb (40) 21.8 ppb (20) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) N/A N/A 16.3 μg/m3 (59) 59.0
 
Jan. 12, 2020, 3 p.m. 45.6 ppb (42) 21.6 ppb (20) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 28.5 μg/m3 (85) 85.0
 
Jan. 12, 2020, 2 p.m. 34.6 ppb (32) 11.6 ppb (11) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 12, 2020, 1 p.m. 28.7 ppb (27) 4.9 ppb (5) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 15.5 μg/m3 (57) 57.0