ID: 7872

AQSQID: 840060374010

Site Name: North Holywood

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

Updated: Jan. 19, 2022, 7:33 a.m.

Location: N Hollywood (N Hollywood), CA

Reporting: True, Located: True

Current AQI: 58.0

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, 2022, 6 a.m. 9.1 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2022, 5 a.m. 7.8 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) N/A N/A 16.3 μg/m3 (60) 60.0
 
Jan. 19, 2022, 4 a.m. 13.4 ppb (13) 0.1 ppb (1) N/A 13.0 ppb (13) N/A N/A 22.0 ppb (21) N/A N/A 15.8 μg/m3 (59) 59.0
 
Jan. 19, 2022, 3 a.m. 10.7 ppb (11) -0.2 ppb (0) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 12.1 μg/m3 (51) 51.0
 
Jan. 19, 2022, 2 a.m. 7.7 ppb (8) -0.5 ppb (0) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 19, 2022, 1 a.m. 6.8 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2022, midnight 6.5 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2022, 11 p.m. 4.7 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2022, 10 p.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 13.9 μg/m3 (55) 55.0
 
Jan. 18, 2022, 9 p.m. 9.3 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) N/A N/A 16.1 μg/m3 (60) 60.0
 
Jan. 18, 2022, 8 p.m. 12.0 ppb (12) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) N/A N/A 15.6 μg/m3 (59) 59.0
 
Jan. 18, 2022, 7 p.m. 11.7 ppb (12) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) N/A N/A 16.3 μg/m3 (60) 60.0
 
Jan. 18, 2022, 6 p.m. 17.9 ppb (17) 4.4 ppb (5) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A N/A 20.2 μg/m3 (69) 69.0
 
Jan. 18, 2022, 5 p.m. 23.2 ppb (22) 6.5 ppb (7) N/A 17.0 ppb (17) N/A N/A 18.0 ppb (17) N/A N/A 25.3 μg/m3 (79) 79.0
 
Jan. 18, 2022, 4 p.m. 33.4 ppb (32) 11.9 ppb (12) N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) N/A N/A 22.4 μg/m3 (73) 73.0
 
Jan. 18, 2022, 3 p.m. 36.3 ppb (35) 11.1 ppb (11) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 21.9 μg/m3 (72) 72.0
 
Jan. 18, 2022, 2 p.m. 26.8 ppb (26) 4.6 ppb (5) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 19.2 μg/m3 (66) 66.0
 
Jan. 18, 2022, 1 p.m. 21.4 ppb (21) 3.5 ppb (4) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 20.2 μg/m3 (69) 69.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
Jan. 17, 2022, 9 p.m. 8.4 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) N/A N/A 9.7 μg/m3 (41) 41.0
 
Jan. 17, 2022, 8 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 17, 2022, 7 p.m. 6.7 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) N/A N/A 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2022, 6 p.m. 8.3 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 17, 2022, 5 p.m. 10.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 14.5 μg/m3 (57) 57.0
 
Jan. 17, 2022, 4 p.m. 39.5 ppb (38) 14.1 ppb (14) N/A 25.0 ppb (24) N/A N/A 5.0 ppb (5) N/A N/A 14.8 μg/m3 (57) 57.0
 
Jan. 17, 2022, 3 p.m. 50.9 ppb (49) 22.6 ppb (22) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 17, 2022, 2 p.m. 49.4 ppb (47) 20.0 ppb (19) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 17, 2022, 1 p.m. 42.2 ppb (40) 12.7 ppb (12) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 14.3 μg/m3 (56) 56.0
 
Jan. 17, 2022, noon 38.3 ppb (37) 8.4 ppb (8) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 16.1 μg/m3 (60) 60.0
 
Jan. 17, 2022, 11 a.m. 35.0 ppb (34) 4.0 ppb (4) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 17.3 μg/m3 (62) 62.0
 
Jan. 17, 2022, 10 a.m. 34.7 ppb (33) 3.1 ppb (3) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 20.5 μg/m3 (69) 69.0
 
Jan. 17, 2022, 9 a.m. 31.7 ppb (30) 1.8 ppb (2) N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) N/A N/A 16.8 μg/m3 (61) 61.0
 
Jan. 17, 2022, 8 a.m. 26.9 ppb (26) 0.6 ppb (1) N/A 26.0 ppb (25) N/A N/A 8.0 ppb (8) N/A N/A 13.6 μg/m3 (55) 55.0
 
Jan. 17, 2022, 7 a.m. 22.1 ppb (21) 0.1 ppb (1) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 17, 2022, 6 a.m. 21.6 ppb (21) 0.2 ppb (1) N/A 21.0 ppb (20) N/A N/A 15.0 ppb (14) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 17, 2022, 5 a.m. 22.6 ppb (22) 0.5 ppb (1) N/A 22.0 ppb (21) N/A N/A 14.0 ppb (13) N/A N/A 15.1 μg/m3 (58) 58.0
 
Jan. 17, 2022, 4 a.m. 26.2 ppb (25) 1.7 ppb (2) N/A 25.0 ppb (24) N/A N/A 10.0 ppb (10) N/A N/A 15.8 μg/m3 (59) 59.0
 
Jan. 17, 2022, 3 a.m. 16.8 ppb (16) -0.1 ppb (0) N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 17, 2022, 2 a.m. 13.2 ppb (13) -0.3 ppb (0) N/A 13.0 ppb (13) N/A N/A 30.0 ppb (28) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2022, 1 a.m. 12.2 ppb (12) -0.3 ppb (0) N/A 13.0 ppb (13) N/A N/A 34.0 ppb (32) N/A N/A 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2022, midnight 11.8 ppb (12) -0.1 ppb (0) N/A 12.0 ppb (12) N/A N/A 34.0 ppb (32) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 11 p.m. 10.5 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 34.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
Jan. 16, 2022, 10 p.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 3.8 μg/m3 (16) 39.0
 
Jan. 16, 2022, 9 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A N/A 6.7 μg/m3 (28) 40.0
 
Jan. 16, 2022, 8 p.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) N/A N/A 5.3 μg/m3 (23) 39.0
 
Jan. 16, 2022, 7 p.m. 4.7 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 2.6 μg/m3 (11) 37.0
 
Jan. 16, 2022, 6 p.m. 6.3 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
Jan. 16, 2022, 5 p.m. 8.5 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 30.0 ppb (28) N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 16, 2022, 4 p.m. 30.5 ppb (29) 11.7 ppb (12) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) N/A N/A 11.8 μg/m3 (50) 50.0
 
Jan. 16, 2022, 3 p.m. 39.5 ppb (38) 16.4 ppb (16) N/A 23.0 ppb (22) N/A N/A 3.0 ppb (3) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 16, 2022, 2 p.m. 28.5 ppb (27) 4.9 ppb (5) N/A 24.0 ppb (23) N/A N/A 2.0 ppb (2) N/A N/A 8.4 μg/m3 (36) 36.0
 
Jan. 16, 2022, 1 p.m. 24.5 ppb (24) 1.9 ppb (2) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) N/A N/A 8.5 μg/m3 (36) 36.0
 
Jan. 16, 2022, noon 30.7 ppb (29) 6.3 ppb (6) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 16, 2022, 11 a.m. 38.6 ppb (37) 15.0 ppb (15) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 14.3 μg/m3 (56) 56.0
 
Jan. 16, 2022, 10 a.m. 36.0 ppb (34) 11.7 ppb (12) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 12.1 μg/m3 (51) 51.0
 
Jan. 16, 2022, 9 a.m. 23.9 ppb (23) 1.6 ppb (2) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2022, 8 a.m. 18.3 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 16, 2022, 7 a.m. 18.6 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 16, 2022, 6 a.m. 26.3 ppb (25) 2.4 ppb (3) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) N/A N/A 16.8 μg/m3 (61) 61.0
 
Jan. 16, 2022, 5 a.m. 20.0 ppb (19) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 16, 2022, 4 a.m. 16.0 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 16, 2022, 3 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 8.9 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 a.m. 6.4 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2022, 1 a.m. 20.7 ppb (20) 0.3 ppb (1) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, midnight 15.6 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 11 p.m. 13.6 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
Jan. 15, 2022, 10 p.m. 13.2 ppb (13) 1.5 ppb (2) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 15, 2022, 9 p.m. 19.3 ppb (19) 4.4 ppb (5) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) N/A N/A 10.9 μg/m3 (46) 46.0
 
Jan. 15, 2022, 8 p.m. 22.5 ppb (22) 4.3 ppb (5) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (20) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 15, 2022, 7 p.m. 37.7 ppb (36) 11.3 ppb (11) N/A 26.0 ppb (25) N/A N/A 12.0 ppb (12) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2022, 6 p.m. 52.1 ppb (50) 22.0 ppb (21) N/A 30.0 ppb (29) N/A N/A 7.0 ppb (7) N/A N/A 17.5 μg/m3 (63) 63.0
 
Jan. 15, 2022, 5 p.m. 94.4 ppb (95) 57.7 ppb (55) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) N/A N/A 16.2 μg/m3 (60) 95.0
 
Jan. 15, 2022, 4 p.m. 96.4 ppb (97) 62.2 ppb (60) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 12.5 μg/m3 (52) 97.0
 
Jan. 15, 2022, 3 p.m. 72.7 ppb (71) 40.5 ppb (39) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 11.8 μg/m3 (50) 71.0
 
Jan. 15, 2022, 2 p.m. 69.5 ppb (68) 39.2 ppb (37) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 68.0
 
Jan. 15, 2022, 1 p.m. 79.1 ppb (78) 48.0 ppb (46) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 16.7 μg/m3 (61) 78.0
 
Jan. 15, 2022, noon 82.6 ppb (82) 49.9 ppb (48) N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A 24.7 μg/m3 (78) 82.0
 
Jan. 15, 2022, 11 a.m. 88.0 ppb (88) 52.8 ppb (50) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 23.0 μg/m3 (74) 88.0
 
Jan. 15, 2022, 10 a.m. 96.9 ppb (97) 61.3 ppb (59) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 23.5 μg/m3 (75) 97.0
 
Jan. 15, 2022, 9 a.m. 95.5 ppb (96) 56.3 ppb (54) N/A 39.0 ppb (37) N/A N/A 1.0 ppb (1) N/A N/A 25.7 μg/m3 (80) 96.0
 
Jan. 15, 2022, 8 a.m. 95.6 ppb (96) 55.2 ppb (53) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) N/A N/A 27.2 μg/m3 (83) 96.0
 
Jan. 15, 2022, 7 a.m. 104.3 ppb (102) 64.7 ppb (63) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) N/A N/A 32.8 μg/m3 (95) 102.0
 
Jan. 15, 2022, 6 a.m. 88.7 ppb (88) 48.2 ppb (46) N/A 41.0 ppb (39) N/A N/A 2.0 ppb (2) N/A N/A 26.7 μg/m3 (82) 88.0
 
Jan. 15, 2022, 5 a.m. 100.9 ppb (101) 57.9 ppb (56) N/A 43.0 ppb (41) N/A N/A 2.0 ppb (2) N/A N/A 34.3 μg/m3 (98) 101.0
 
Jan. 15, 2022, 4 a.m. 86.5 ppb (86) 41.0 ppb (39) N/A 45.0 ppb (43) N/A N/A 2.0 ppb (2) N/A N/A 32.8 μg/m3 (95) 95.0
 
Jan. 15, 2022, 3 a.m. 71.5 ppb (70) 24.2 ppb (23) N/A 47.0 ppb (45) N/A N/A 1.0 ppb (1) N/A N/A 28.2 μg/m3 (85) 85.0
 
Jan. 15, 2022, 2 a.m. 60.6 ppb (59) 12.9 ppb (13) N/A 48.0 ppb (46) N/A N/A 2.0 ppb (2) N/A N/A 22.9 μg/m3 (74) 74.0
 
Jan. 15, 2022, 1 a.m. 38.7 ppb (37) 1.1 ppb (2) N/A 38.0 ppb (36) N/A N/A 16.0 ppb (15) N/A N/A 16.8 μg/m3 (61) 61.0
 
Jan. 15, 2022, midnight 35.6 ppb (34) 2.5 ppb (3) N/A 33.0 ppb (32) N/A N/A 25.0 ppb (24) N/A N/A 15.8 μg/m3 (59) 59.0
 
Jan. 14, 2022, 11 p.m. 33.5 ppb (32) 4.5 ppb (5) N/A 29.0 ppb (28) N/A N/A 27.0 ppb (25) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 14, 2022, 10 p.m. 8.9 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 41.0
 
Jan. 14, 2022, 9 p.m. 16.2 ppb (16) 2.8 ppb (3) N/A 13.0 ppb (13) N/A N/A 39.0 ppb (37) N/A N/A 9.7 μg/m3 (41) 41.0
 
Jan. 14, 2022, 8 p.m. 25.9 ppb (25) 6.3 ppb (6) N/A 20.0 ppb (19) N/A N/A 29.0 ppb (27) N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 14, 2022, 7 p.m. 27.6 ppb (27) 8.7 ppb (9) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (24) N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 14, 2022, 6 p.m. 41.9 ppb (40) 15.8 ppb (15) N/A 26.0 ppb (25) N/A N/A 16.0 ppb (15) N/A N/A 12.8 μg/m3 (53) 53.0
 
Jan. 14, 2022, 5 p.m. 83.0 ppb (82) 46.5 ppb (44) N/A 36.0 ppb (34) N/A N/A 7.0 ppb (7) N/A N/A 16.2 μg/m3 (60) 82.0
 
Jan. 14, 2022, 4 p.m. 140.6 ppb (109) 104.7 ppb (102) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) N/A N/A 25.4 μg/m3 (79) 109.0
 
Jan. 14, 2022, 3 p.m. 147.1 ppb (110) 121.6 ppb (105) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 20.3 μg/m3 (69) 110.0
 
Jan. 14, 2022, 2 p.m. 119.9 ppb (105) 95.7 ppb (96) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 19.9 μg/m3 (68) 105.0
 
Jan. 14, 2022, 1 p.m. 108.7 ppb (103) 83.0 ppb (82) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 19.6 μg/m3 (67) 103.0
 
Jan. 14, 2022, noon 107.9 ppb (103) 81.5 ppb (81) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) N/A N/A 25.5 μg/m3 (80) 103.0
 
Jan. 14, 2022, 11 a.m. 110.5 ppb (103) 81.5 ppb (81) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 18.7 μg/m3 (65) 103.0
 
Jan. 14, 2022, 10 a.m. 107.1 ppb (103) 76.6 ppb (76) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 24.1 μg/m3 (77) 103.0
 
Jan. 14, 2022, 9 a.m. 100.0 ppb (100) 67.6 ppb (66) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (83) 100.0
 
Jan. 14, 2022, 8 a.m. 104.2 ppb (102) 68.9 ppb (67) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 26.3 μg/m3 (81) 102.0
 
Jan. 14, 2022, 7 a.m. 108.8 ppb (103) 69.8 ppb (68) N/A 39.0 ppb (37) N/A N/A 1.0 ppb (1) N/A N/A 29.2 μg/m3 (87) 103.0
 
Jan. 14, 2022, 6 a.m. 112.6 ppb (104) 71.1 ppb (70) N/A 41.0 ppb (39) N/A N/A 1.0 ppb (1) N/A N/A 29.2 μg/m3 (87) 104.0
 
Jan. 14, 2022, 5 a.m. 113.4 ppb (104) 68.2 ppb (67) N/A 45.0 ppb (43) N/A N/A 1.0 ppb (1) N/A N/A 28.7 μg/m3 (86) 104.0
 
Jan. 14, 2022, 4 a.m. 111.3 ppb (103) 64.8 ppb (63) N/A 47.0 ppb (45) N/A N/A 1.0 ppb (1) N/A N/A 24.8 μg/m3 (78) 103.0
 
Jan. 14, 2022, 3 a.m. 106.4 ppb (103) 62.1 ppb (60) N/A 44.0 ppb (42) N/A N/A 1.0 ppb (1) N/A N/A 24.8 μg/m3 (78) 103.0
 
Jan. 14, 2022, 2 a.m. 82.3 ppb (82) 37.0 ppb (35) N/A 45.0 ppb (43) N/A N/A 1.0 ppb (1) N/A N/A 13.8 μg/m3 (55) 82.0
 
Jan. 14, 2022, 1 a.m. 55.5 ppb (53) 15.3 ppb (15) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) N/A N/A 12.9 μg/m3 (53) 53.0
 
Jan. 14, 2022, midnight 49.4 ppb (47) 9.4 ppb (9) N/A 40.0 ppb (38) N/A N/A 4.0 ppb (4) N/A N/A 19.5 μg/m3 (67) 67.0
 
Jan. 13, 2022, 11 p.m. 50.8 ppb (48) 11.5 ppb (11) N/A 39.0 ppb (37) N/A N/A 7.0 ppb (7) N/A N/A 15.8 μg/m3 (59) 59.0
 
Jan. 13, 2022, 10 p.m. 45.3 ppb (43) 14.9 ppb (15) N/A 30.0 ppb (29) N/A N/A 15.0 ppb (14) N/A N/A 15.3 μg/m3 (58) 58.0
 
Jan. 13, 2022, 9 p.m. 75.9 ppb (75) 33.2 ppb (32) N/A 43.0 ppb (41) N/A N/A 4.0 ppb (4) N/A N/A 16.3 μg/m3 (60) 75.0
 
Jan. 13, 2022, 8 p.m. 108.0 ppb (103) 62.9 ppb (61) N/A 45.0 ppb (43) N/A N/A 4.0 ppb (4) N/A N/A 17.3 μg/m3 (62) 103.0
 
Jan. 13, 2022, 7 p.m. 109.5 ppb (103) 66.4 ppb (65) N/A 43.0 ppb (41) N/A N/A 4.0 ppb (4) N/A N/A 20.9 μg/m3 (70) 103.0
 
Jan. 13, 2022, 6 p.m. 126.6 ppb (106) 83.8 ppb (83) N/A 43.0 ppb (41) N/A N/A 3.0 ppb (3) N/A N/A 21.1 μg/m3 (70) 106.0
 
Jan. 13, 2022, 5 p.m. 112.9 ppb (104) 72.5 ppb (71) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) N/A N/A 16.0 μg/m3 (60) 104.0
 
Jan. 13, 2022, 4 p.m. 99.9 ppb (100) 66.6 ppb (65) N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 13.0 μg/m3 (53) 100.0
 
Jan. 13, 2022, 3 p.m. 89.4 ppb (89) 57.5 ppb (55) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 12.5 μg/m3 (52) 89.0
 
Jan. 13, 2022, 2 p.m. 68.5 ppb (67) 37.8 ppb (36) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (53) 67.0
 
Jan. 13, 2022, 1 p.m. 53.2 ppb (51) 23.7 ppb (23) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2022, noon 53.9 ppb (51) 24.6 ppb (24) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 13.7 μg/m3 (55) 55.0
 
Jan. 13, 2022, 11 a.m. 50.0 ppb (48) 20.4 ppb (20) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 12.5 μg/m3 (52) 52.0
 
Jan. 13, 2022, 10 a.m. 62.2 ppb (60) 31.4 ppb (30) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 12.5 μg/m3 (52) 60.0
 
Jan. 13, 2022, 9 a.m. 56.0 ppb (54) 26.0 ppb (25) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 13, 2022, 8 a.m. 53.4 ppb (51) 21.1 ppb (20) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2022, 7 a.m. 55.8 ppb (53) 23.4 ppb (23) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2022, 6 a.m. 64.1 ppb (62) 31.1 ppb (30) N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2022, 5 a.m. 88.1 ppb (88) 54.5 ppb (52) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 18.9 μg/m3 (66) 88.0
 
Jan. 13, 2022, 4 a.m. 105.3 ppb (102) 69.5 ppb (68) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) N/A N/A 23.6 μg/m3 (76) 102.0
 
Jan. 13, 2022, 3 a.m. 82.0 ppb (81) 47.3 ppb (45) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 23.4 μg/m3 (75) 81.0
 
Jan. 13, 2022, 2 a.m. 62.9 ppb (61) 28.1 ppb (27) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 11.6 μg/m3 (49) 61.0
 
Jan. 13, 2022, 1 a.m. 32.8 ppb (31) 2.1 ppb (2) N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) N/A N/A 10.7 μg/m3 (45) 45.0
 
Jan. 13, 2022, midnight 19.7 ppb (19) 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 12, 2022, 11 p.m. 17.7 ppb (17) 2.3 ppb (3) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) N/A N/A 4.4 μg/m3 (19) 27.0
 
Jan. 12, 2022, 10 p.m. 14.0 ppb (14) 1.8 ppb (2) N/A 12.0 ppb (12) N/A N/A 32.0 ppb (30) N/A N/A 1.3 μg/m3 (6) 30.0
 
Jan. 12, 2022, 9 p.m. 9.6 ppb (10) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) N/A N/A 1.8 μg/m3 (8) 34.0
 
Jan. 12, 2022, 8 p.m. 9.7 ppb (10) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 12, 2022, 7 p.m. 46.8 ppb (45) 17.5 ppb (17) N/A 29.0 ppb (28) N/A N/A 20.0 ppb (19) N/A N/A N/A 45.0
 
Jan. 12, 2022, 6 p.m. 86.0 ppb (86) 45.9 ppb (44) N/A 40.0 ppb (38) N/A N/A 11.0 ppb (11) N/A N/A N/A 86.0
 
Jan. 12, 2022, 5 p.m. 191.4 ppb (119) 141.3 ppb (109) N/A 50.0 ppb (48) N/A N/A 3.0 ppb (3) N/A N/A 30.5 μg/m3 (90) 119.0
 
Jan. 12, 2022, 4 p.m. 175.3 ppb (116) 135.4 ppb (108) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) N/A N/A 28.6 μg/m3 (86) 116.0
 
Jan. 12, 2022, 3 p.m. 137.4 ppb (108) 104.2 ppb (102) N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 20.5 μg/m3 (69) 108.0
 
Jan. 12, 2022, 2 p.m. 87.3 ppb (87) 56.6 ppb (54) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 87.0
 
Jan. 12, 2022, 1 p.m. 69.7 ppb (68) 40.5 ppb (39) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 68.0
 
Jan. 12, 2022, noon 62.4 ppb (60) 34.3 ppb (33) N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) N/A N/A 8.5 μg/m3 (36) 60.0
 
Jan. 12, 2022, 11 a.m. 39.7 ppb (38) 11.9 ppb (12) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 8.8 μg/m3 (37) 38.0
 
Jan. 12, 2022, 10 a.m. 32.0 ppb (31) 4.2 ppb (4) N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 9 a.m. 39.2 ppb (37) 7.2 ppb (7) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 12, 2022, 8 a.m. 45.8 ppb (44) 12.8 ppb (13) N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2022, 7 a.m. 64.3 ppb (62) 32.2 ppb (31) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 10.3 μg/m3 (43) 62.0
 
Jan. 12, 2022, 6 a.m. 70.3 ppb (69) 36.1 ppb (35) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) N/A N/A 9.9 μg/m3 (42) 69.0
 
Jan. 12, 2022, 5 a.m. 83.7 ppb (83) 45.9 ppb (44) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) N/A N/A 21.8 μg/m3 (72) 83.0
 
Jan. 12, 2022, 4 a.m. 96.5 ppb (97) 57.3 ppb (55) N/A 39.0 ppb (37) N/A N/A 2.0 ppb (2) N/A N/A 20.6 μg/m3 (69) 97.0
 
Jan. 12, 2022, 3 a.m. 72.8 ppb (72) 35.9 ppb (34) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) N/A N/A 15.3 μg/m3 (58) 72.0
 
Jan. 12, 2022, 2 a.m. 55.6 ppb (53) 17.6 ppb (17) N/A 38.0 ppb (36) N/A N/A 1.0 ppb (1) N/A N/A 9.9 μg/m3 (42) 53.0
 
Jan. 12, 2022, 1 a.m. 33.6 ppb (32) 1.8 ppb (2) N/A 32.0 ppb (31) N/A N/A 11.0 ppb (11) N/A N/A 2.8 μg/m3 (12) 32.0
 
Jan. 12, 2022, midnight 12.5 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
Jan. 11, 2022, 11 p.m. 6.5 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) N/A N/A 1.8 μg/m3 (8) 39.0
 
Jan. 11, 2022, 10 p.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 3.1 μg/m3 (13) 41.0
 
Jan. 11, 2022, 9 p.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Jan. 11, 2022, 8 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Jan. 11, 2022, 7 p.m. 6.9 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) N/A N/A 4.5 μg/m3 (19) 38.0