ID: 2411

AQSQID: 060850006

Site Name: San Jose - Knox Ave

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

Updated: Jan. 21, 2022, 10:34 a.m.

Location: San Jose (E San Jose), CA

Reporting: True, Located: True

Current AQI: 89.0

San Jose (E San Jose) CA, US: 37.338202, -121.849892

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2022, 9 a.m. 52.1 ppb (50) 33.8 ppb (32) N/A 18.0 ppb (17) N/A N/A N/A 0.89 ppb (11) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 21, 2022, 8 a.m. 60.9 ppb (59) 41.9 ppb (40) N/A 19.0 ppb (18) N/A N/A N/A 1.08 ppb (13) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2022, 7 a.m. 38.4 ppb (37) 19.3 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.76 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 21, 2022, 6 a.m. 51.7 ppb (49) 29.7 ppb (29) N/A 22.0 ppb (21) N/A N/A N/A 0.98 ppb (12) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 21, 2022, 5 a.m. 58.6 ppb (56) 33.5 ppb (32) N/A 25.0 ppb (24) N/A N/A N/A 1.13 ppb (13) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2022, 4 a.m. 59.0 ppb (57) 28.3 ppb (27) N/A 31.0 ppb (30) N/A N/A N/A 1.09 ppb (13) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 21, 2022, 3 a.m. 62.6 ppb (61) 31.3 ppb (30) N/A 31.0 ppb (30) N/A N/A N/A 1.21 ppb (14) N/A 15.0 μg/m3 (58) 61.0
 
Jan. 21, 2022, 2 a.m. 35.8 ppb (34) 6.2 ppb (6) N/A 30.0 ppb (29) N/A N/A N/A 0.72 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 21, 2022, 1 a.m. 46.2 ppb (44) 16.3 ppb (16) N/A 30.0 ppb (29) N/A N/A N/A 0.83 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2022, midnight 27.5 ppb (26) 6.3 ppb (6) N/A 21.0 ppb (20) N/A N/A N/A 0.59 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 20, 2022, 11 p.m. 20.7 ppb (20) 4.3 ppb (5) N/A 16.0 ppb (16) N/A N/A N/A 0.47 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 20, 2022, 10 p.m. 27.4 ppb (26) 8.9 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 20, 2022, 9 p.m. 22.9 ppb (22) 8.1 ppb (8) N/A 15.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 20, 2022, 8 p.m. 21.2 ppb (20) 7.6 ppb (8) N/A 14.0 ppb (14) N/A N/A N/A 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2022, 6 p.m. 47.9 ppb (46) 28.6 ppb (27) N/A 19.0 ppb (18) N/A N/A N/A 0.83 ppb (10) N/A N/A 46.0
 
Jan. 20, 2022, 5 p.m. 63.9 ppb (62) 43.8 ppb (42) N/A 20.0 ppb (19) N/A N/A N/A 1.01 ppb (12) N/A 11.0 μg/m3 (46) 62.0
 
Jan. 20, 2022, 4 p.m. 89.2 ppb (89) 70.6 ppb (69) N/A 19.0 ppb (18) N/A N/A N/A 1.31 ppb (15) N/A 12.0 μg/m3 (50) 89.0
 
Jan. 20, 2022, 3 p.m. 86.1 ppb (86) 69.3 ppb (68) N/A 17.0 ppb (17) N/A N/A N/A 1.21 ppb (14) N/A 16.0 μg/m3 (60) 86.0
 
Jan. 20, 2022, 2 p.m. 75.9 ppb (75) 61.4 ppb (59) N/A 15.0 ppb (15) N/A N/A N/A 1.18 ppb (14) N/A 12.0 μg/m3 (50) 75.0
 
Jan. 20, 2022, 1 p.m. 77.3 ppb (76) 60.7 ppb (59) N/A 17.0 ppb (17) N/A N/A N/A 1.0 ppb (12) N/A 11.0 μg/m3 (46) 76.0
 
Jan. 20, 2022, noon 51.5 ppb (49) 37.3 ppb (36) N/A 14.0 ppb (14) N/A N/A N/A 0.74 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 20, 2022, 10 a.m. 46.7 ppb (45) 30.1 ppb (29) N/A 17.0 ppb (17) N/A N/A N/A 0.82 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2022, 9 a.m. 48.1 ppb (46) 30.3 ppb (29) N/A 18.0 ppb (17) N/A N/A N/A 0.85 ppb (10) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 20, 2022, 8 a.m. 38.3 ppb (37) 20.2 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.73 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2022, 7 a.m. 39.9 ppb (38) 21.5 ppb (21) N/A 18.0 ppb (17) N/A N/A N/A 0.79 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2022, 6 a.m. 37.8 ppb (36) 18.2 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.83 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 20, 2022, 5 a.m. 42.0 ppb (40) 21.0 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.92 ppb (11) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2022, 4 a.m. 40.1 ppb (38) 16.1 ppb (16) N/A 24.0 ppb (23) N/A N/A N/A 0.87 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 20, 2022, 3 a.m. 47.7 ppb (45) 19.6 ppb (19) N/A 28.0 ppb (27) N/A N/A N/A 0.89 ppb (11) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2022, 2 a.m. 33.6 ppb (32) 9.9 ppb (10) N/A 24.0 ppb (23) N/A N/A N/A 0.76 ppb (10) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, 1 a.m. 28.7 ppb (28) 8.6 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2022, midnight 17.1 ppb (17) 3.7 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A 0.54 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2022, 11 p.m. 19.4 ppb (19) 6.5 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2022, 10 p.m. 13.4 ppb (13) 4.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.47 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2022, 9 p.m. 18.1 ppb (18) 6.7 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.49 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, 8 p.m. 17.7 ppb (17) 6.6 ppb (7) N/A 11.0 ppb (11) N/A N/A N/A 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2022, 7 p.m. 23.2 ppb (22) 10.6 ppb (10) N/A 13.0 ppb (13) N/A N/A N/A 0.53 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 6 p.m. 28.7 ppb (28) 12.7 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.55 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2022, 5 p.m. 37.6 ppb (36) 19.7 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A 0.63 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2022, 4 p.m. 17.0 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2022, 3 p.m. 12.2 ppb (12) 1.5 ppb (2) N/A 11.0 ppb (11) N/A N/A N/A 0.49 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2022, 2 p.m. 12.5 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.47 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 1 p.m. 14.5 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.48 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 19, 2022, noon 20.1 ppb (19) 5.1 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 19, 2022, 10 a.m. 20.8 ppb (20) 7.0 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.53 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, 9 a.m. 28.3 ppb (27) 12.4 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.61 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 19, 2022, 8 a.m. 28.0 ppb (27) 11.0 ppb (11) N/A 17.0 ppb (17) N/A N/A N/A 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2022, 7 a.m. 31.0 ppb (30) 12.3 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.67 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2022, 6 a.m. 30.8 ppb (30) 10.6 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.76 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2022, 5 a.m. 19.2 ppb (19) 2.0 ppb (2) N/A 17.0 ppb (17) N/A N/A N/A 0.58 ppb (7) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 19, 2022, 4 a.m. 20.7 ppb (20) 5.8 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.55 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2022, 3 a.m. 17.4 ppb (17) 1.7 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A 0.55 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2022, 2 a.m. 30.4 ppb (29) 8.0 ppb (8) N/A 22.0 ppb (21) N/A N/A N/A 0.71 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2022, 1 a.m. 42.1 ppb (40) 14.6 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 0.84 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2022, midnight 29.2 ppb (28) 8.9 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 18, 2022, 11 p.m. 25.6 ppb (25) 7.7 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.63 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 18, 2022, 10 p.m. 19.1 ppb (19) 5.2 ppb (5) N/A 14.0 ppb (14) N/A N/A N/A 0.57 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 18, 2022, 9 p.m. 26.3 ppb (25) 11.3 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.59 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 18, 2022, 8 p.m. 27.9 ppb (27) 11.8 ppb (12) N/A 16.0 ppb (16) N/A N/A N/A 0.56 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2022, 7 p.m. 26.9 ppb (26) 9.6 ppb (10) N/A 17.0 ppb (17) N/A N/A N/A 0.56 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2022, 5 p.m. 50.7 ppb (48) 26.3 ppb (25) N/A 24.0 ppb (23) N/A N/A N/A 0.8 ppb (10) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 18, 2022, 4 p.m. 80.4 ppb (80) 56.2 ppb (54) N/A 24.0 ppb (23) N/A N/A N/A 1.17 ppb (14) N/A 23.0 μg/m3 (74) 80.0
 
Jan. 18, 2022, 3 p.m. 107.9 ppb (103) 83.3 ppb (83) N/A 25.0 ppb (24) N/A N/A N/A 1.49 ppb (18) N/A 29.0 μg/m3 (87) 103.0
 
Jan. 18, 2022, 2 p.m. 83.5 ppb (83) 61.5 ppb (59) N/A 22.0 ppb (21) N/A N/A N/A 1.3 ppb (15) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 18, 2022, 1 p.m. 62.8 ppb (61) 42.4 ppb (40) N/A 20.0 ppb (19) N/A N/A N/A 0.99 ppb (12) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 18, 2022, noon 36.6 ppb (35) 18.4 ppb (18) N/A 18.0 ppb (17) N/A N/A N/A 0.73 ppb (8) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 18, 2022, 10 a.m. 38.3 ppb (37) 18.4 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.88 ppb (11) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 18, 2022, 9 a.m. 38.1 ppb (36) 18.8 ppb (18) N/A 19.0 ppb (18) N/A N/A N/A 0.91 ppb (11) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 18, 2022, 8 a.m. 67.4 ppb (66) 43.0 ppb (41) N/A 24.0 ppb (23) N/A N/A N/A 1.38 ppb (16) N/A 38.0 μg/m3 (108) 108.0
 
Jan. 18, 2022, 7 a.m. 56.4 ppb (54) 29.8 ppb (29) N/A 27.0 ppb (26) N/A N/A N/A 1.22 ppb (14) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 18, 2022, 6 a.m. 44.1 ppb (42) 16.9 ppb (16) N/A 27.0 ppb (26) N/A N/A N/A 1.04 ppb (12) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 18, 2022, 5 a.m. 45.3 ppb (43) 17.3 ppb (17) N/A 28.0 ppb (27) N/A N/A N/A 1.02 ppb (12) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 18, 2022, 4 a.m. 61.9 ppb (60) 27.2 ppb (26) N/A 35.0 ppb (34) N/A N/A N/A 1.18 ppb (14) N/A 38.0 μg/m3 (108) 108.0
 
Jan. 18, 2022, 3 a.m. 53.2 ppb (51) 16.5 ppb (16) N/A 37.0 ppb (35) N/A N/A N/A 0.97 ppb (12) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 18, 2022, 2 a.m. 39.7 ppb (38) 10.3 ppb (10) N/A 29.0 ppb (28) N/A N/A N/A 0.87 ppb (11) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 18, 2022, 1 a.m. 28.1 ppb (27) 3.4 ppb (4) N/A 25.0 ppb (24) N/A N/A N/A 0.71 ppb (8) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 18, 2022, midnight 46.9 ppb (45) 12.6 ppb (12) N/A 34.0 ppb (33) N/A N/A N/A 0.92 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2022, 11 p.m. 35.9 ppb (34) 10.8 ppb (11) N/A 25.0 ppb (24) N/A N/A N/A 0.72 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2022, 10 p.m. 35.2 ppb (34) 11.5 ppb (11) N/A 24.0 ppb (23) N/A N/A N/A 0.75 ppb (10) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2022, 9 p.m. 36.8 ppb (35) 12.6 ppb (12) N/A 24.0 ppb (23) N/A N/A N/A 0.77 ppb (10) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2022, 8 p.m. 37.3 ppb (36) 14.3 ppb (14) N/A 23.0 ppb (22) N/A N/A N/A 0.81 ppb (10) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 17, 2022, 7 p.m. 29.0 ppb (28) 9.6 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.71 ppb (8) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2022, 6 p.m. 55.5 ppb (53) 30.7 ppb (29) N/A 25.0 ppb (24) N/A N/A N/A 0.93 ppb (11) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 17, 2022, 5 p.m. 84.2 ppb (84) 56.7 ppb (54) N/A 28.0 ppb (27) N/A N/A N/A 1.24 ppb (14) N/A 25.0 μg/m3 (79) 84.0
 
Jan. 17, 2022, 4 p.m. 89.7 ppb (90) 66.6 ppb (65) N/A 23.0 ppb (22) N/A N/A N/A 1.3 ppb (15) N/A 18.0 μg/m3 (64) 90.0
 
Jan. 17, 2022, 3 p.m. 50.6 ppb (48) 32.3 ppb (31) N/A 18.0 ppb (17) N/A N/A N/A 0.87 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 2 p.m. 35.2 ppb (34) 18.2 ppb (18) N/A 17.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 6.0 μg/m3 (25) 34.0
 
Jan. 17, 2022, 1 p.m. 43.1 ppb (41) 25.4 ppb (24) N/A 18.0 ppb (17) N/A N/A N/A 0.81 ppb (10) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2022, noon 47.0 ppb (45) 28.3 ppb (27) N/A 19.0 ppb (18) N/A N/A N/A 0.83 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 17, 2022, 10 a.m. 33.8 ppb (32) 15.0 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.78 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2022, 9 a.m. 46.2 ppb (44) 25.8 ppb (25) N/A 21.0 ppb (20) N/A N/A N/A 1.09 ppb (13) N/A 35.0 μg/m3 (100) 100.0
 
Jan. 17, 2022, 8 a.m. 38.1 ppb (36) 16.6 ppb (16) N/A 22.0 ppb (21) N/A N/A N/A 0.98 ppb (12) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 17, 2022, 7 a.m. 59.0 ppb (57) 34.6 ppb (33) N/A 24.0 ppb (23) N/A N/A N/A 1.36 ppb (16) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2022, 6 a.m. 75.1 ppb (74) 44.0 ppb (42) N/A 31.0 ppb (30) N/A N/A N/A 1.53 ppb (18) N/A 36.0 μg/m3 (103) 103.0
 
Jan. 17, 2022, 5 a.m. 63.6 ppb (62) 33.5 ppb (32) N/A 30.0 ppb (29) N/A N/A N/A 1.45 ppb (16) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 17, 2022, 4 a.m. 59.8 ppb (58) 27.1 ppb (26) N/A 33.0 ppb (32) N/A N/A N/A 1.3 ppb (15) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2022, 3 a.m. 32.2 ppb (31) 5.3 ppb (5) N/A 27.0 ppb (26) N/A N/A N/A 0.86 ppb (11) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 17, 2022, 2 a.m. 21.4 ppb (21) 1.1 ppb (2) N/A 20.0 ppb (19) N/A N/A N/A 0.66 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2022, 1 a.m. 20.1 ppb (19) 1.3 ppb (2) N/A 19.0 ppb (18) N/A N/A N/A 0.63 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2022, midnight 21.8 ppb (21) 3.3 ppb (4) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 11 p.m. 24.1 ppb (23) 5.6 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.71 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2022, 10 p.m. 19.3 ppb (19) 3.5 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A 0.61 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2022, 9 p.m. 27.4 ppb (26) 8.7 ppb (9) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2022, 8 p.m. 26.0 ppb (25) 8.8 ppb (9) N/A 17.0 ppb (17) N/A N/A N/A 0.7 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 7 p.m. 26.4 ppb (25) 10.3 ppb (10) N/A 16.0 ppb (16) N/A N/A N/A 0.67 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 6 p.m. 27.3 ppb (26) 11.0 ppb (11) N/A 16.0 ppb (16) N/A N/A N/A 0.73 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2022, 5 p.m. 34.3 ppb (33) 17.0 ppb (17) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 16, 2022, 4 p.m. 56.7 ppb (54) 37.4 ppb (36) N/A 19.0 ppb (18) N/A N/A N/A 1.07 ppb (13) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 16, 2022, 3 p.m. 38.9 ppb (37) 21.2 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.82 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 2 p.m. 30.4 ppb (29) 12.2 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.74 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 16, 2022, 1 p.m. 20.0 ppb (19) 3.3 ppb (4) N/A 17.0 ppb (17) N/A N/A N/A 0.57 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2022, noon 25.6 ppb (25) 7.2 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.71 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 10 a.m. 34.4 ppb (33) 13.3 ppb (13) N/A 21.0 ppb (20) N/A N/A N/A 0.93 ppb (11) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 16, 2022, 9 a.m. 37.9 ppb (36) 17.4 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 1.0 ppb (12) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2022, 8 a.m. 38.4 ppb (37) 15.6 ppb (15) N/A 23.0 ppb (22) N/A N/A N/A 0.98 ppb (12) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2022, 7 a.m. 49.9 ppb (48) 24.2 ppb (23) N/A 26.0 ppb (25) N/A N/A N/A 1.24 ppb (14) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2022, 6 a.m. 38.4 ppb (37) 12.5 ppb (12) N/A 26.0 ppb (25) N/A N/A N/A 1.02 ppb (12) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 16, 2022, 5 a.m. 41.5 ppb (40) 14.1 ppb (14) N/A 27.0 ppb (26) N/A N/A N/A 0.99 ppb (12) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2022, 4 a.m. 50.0 ppb (48) 21.1 ppb (20) N/A 29.0 ppb (28) N/A N/A N/A 1.23 ppb (14) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2022, 3 a.m. 55.7 ppb (53) 23.1 ppb (22) N/A 33.0 ppb (32) N/A N/A N/A 1.27 ppb (15) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2022, 2 a.m. 49.5 ppb (47) 16.4 ppb (16) N/A 33.0 ppb (32) N/A N/A N/A 1.06 ppb (13) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2022, 1 a.m. 36.3 ppb (35) 5.7 ppb (6) N/A 31.0 ppb (30) N/A N/A N/A 0.86 ppb (11) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2022, midnight 23.4 ppb (23) 1.8 ppb (2) N/A 22.0 ppb (21) N/A N/A N/A 0.67 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2022, 11 p.m. 20.0 ppb (19) 3.3 ppb (4) N/A 17.0 ppb (17) N/A N/A N/A 0.61 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 10 p.m. 28.7 ppb (28) 8.5 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.69 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2022, 9 p.m. 26.6 ppb (26) 7.9 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2022, 8 p.m. 27.2 ppb (26) 9.1 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.65 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2022, 7 p.m. 32.1 ppb (31) 12.1 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.68 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 15, 2022, 6 p.m. 42.2 ppb (40) 21.5 ppb (21) N/A 21.0 ppb (20) N/A N/A N/A 0.79 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2022, 5 p.m. 69.8 ppb (68) 47.1 ppb (45) N/A 23.0 ppb (22) N/A N/A N/A 1.16 ppb (14) N/A 13.0 μg/m3 (53) 68.0
 
Jan. 15, 2022, 4 p.m. 63.6 ppb (62) 42.1 ppb (40) N/A 22.0 ppb (21) N/A N/A N/A 1.0 ppb (12) N/A 6.0 μg/m3 (25) 62.0
 
Jan. 15, 2022, 3 p.m. 44.9 ppb (43) 26.5 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A 0.72 ppb (8) N/A 3.0 μg/m3 (13) 43.0
 
Jan. 15, 2022, 2 p.m. 41.4 ppb (40) 24.0 ppb (23) N/A 17.0 ppb (17) N/A N/A N/A 0.67 ppb (8) N/A 5.0 μg/m3 (21) 40.0
 
Jan. 15, 2022, 1 p.m. 42.5 ppb (41) 25.0 ppb (24) N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 8.0 μg/m3 (34) 41.0
 
Jan. 15, 2022, noon 46.4 ppb (44) 28.7 ppb (28) N/A 18.0 ppb (17) N/A N/A N/A 0.86 ppb (11) N/A 8.0 μg/m3 (34) 44.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 15, 2022, 10 a.m. 51.6 ppb (49) 32.1 ppb (31) N/A 20.0 ppb (19) N/A N/A N/A 1.04 ppb (12) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2022, 9 a.m. 55.1 ppb (53) 33.5 ppb (32) N/A 22.0 ppb (21) N/A N/A N/A 1.18 ppb (14) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 15, 2022, 8 a.m. 60.9 ppb (59) 37.1 ppb (35) N/A 24.0 ppb (23) N/A N/A N/A 1.25 ppb (14) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 15, 2022, 7 a.m. 57.7 ppb (55) 31.9 ppb (31) N/A 26.0 ppb (25) N/A N/A N/A 1.26 ppb (15) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 15, 2022, 6 a.m. 41.2 ppb (39) 16.1 ppb (16) N/A 25.0 ppb (24) N/A N/A N/A 0.86 ppb (11) N/A 8.0 μg/m3 (34) 39.0
 
Jan. 15, 2022, 5 a.m. 44.3 ppb (42) 17.8 ppb (17) N/A 27.0 ppb (26) N/A N/A N/A 0.88 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 15, 2022, 4 a.m. 51.8 ppb (49) 25.7 ppb (25) N/A 26.0 ppb (25) N/A N/A N/A 0.99 ppb (12) N/A 10.0 μg/m3 (42) 49.0
 
Jan. 15, 2022, 3 a.m. 47.2 ppb (45) 20.5 ppb (20) N/A 27.0 ppb (26) N/A N/A N/A 0.97 ppb (12) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2022, 2 a.m. 34.7 ppb (33) 6.9 ppb (7) N/A 28.0 ppb (27) N/A N/A N/A 0.84 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 15, 2022, 1 a.m. 37.5 ppb (36) 7.3 ppb (7) N/A 30.0 ppb (29) N/A N/A N/A 0.8 ppb (10) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2022, midnight 32.9 ppb (32) 8.1 ppb (8) N/A 25.0 ppb (24) N/A N/A N/A 0.7 ppb (8) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 14, 2022, 11 p.m. 14.6 ppb (14) 2.7 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.4 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 14, 2022, 10 p.m. 32.4 ppb (31) 11.5 ppb (11) N/A 21.0 ppb (20) N/A N/A N/A 0.62 ppb (7) N/A 4.0 μg/m3 (17) 31.0
 
Jan. 14, 2022, 9 p.m. 24.9 ppb (24) 8.5 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A 0.52 ppb (6) N/A 1.0 μg/m3 (5) 24.0
 
Jan. 14, 2022, 8 p.m. 19.1 ppb (19) 5.5 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A 0.47 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2022, 7 p.m. 29.6 ppb (28) 10.2 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2022, 6 p.m. 53.5 ppb (51) 27.4 ppb (26) N/A 26.0 ppb (25) N/A N/A N/A 0.83 ppb (10) N/A 10.0 μg/m3 (42) 51.0
 
Jan. 14, 2022, 5 p.m. 51.9 ppb (49) 30.4 ppb (29) N/A 22.0 ppb (21) N/A N/A N/A 0.87 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2022, 4 p.m. 53.2 ppb (51) 32.6 ppb (31) N/A 21.0 ppb (20) N/A N/A N/A 0.88 ppb (11) N/A 9.0 μg/m3 (38) 51.0
 
Jan. 14, 2022, 3 p.m. 40.6 ppb (39) 22.0 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.76 ppb (10) N/A 9.0 μg/m3 (38) 39.0
 
Jan. 14, 2022, 2 p.m. 31.3 ppb (30) 14.3 ppb (14) N/A 17.0 ppb (17) N/A N/A N/A 0.62 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2022, 1 p.m. 26.5 ppb (25) 9.9 ppb (10) N/A 17.0 ppb (17) N/A N/A N/A 0.58 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2022, noon 25.4 ppb (24) 7.0 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2022, 10 a.m. 51.2 ppb (49) 31.3 ppb (30) N/A 20.0 ppb (19) N/A N/A N/A 0.91 ppb (11) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 14, 2022, 9 a.m. 40.8 ppb (39) 23.8 ppb (23) N/A 17.0 ppb (17) N/A N/A N/A 0.74 ppb (8) N/A 24.0 μg/m3 (77) 77.0