ID: 1218

AQSQID: 060850005

Site Name: San Jose - Jackson St.

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

Updated: Jan. 18, 2021, 10:31 p.m.

Location: San Jose (Downtown), CA

Reporting: True, Located: True

Current AQI: 37.0

San Jose (Downtown) CA, US: 37.3483, -121.8947

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 9 p.m. 2.3 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 37.0
 
Jan. 18, 2021, 8 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.12 ppb (2) N/A 5.0 μg/m3 (21) 37.0
 
Jan. 18, 2021, 7 p.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.13 ppb (2) N/A 5.0 μg/m3 (21) 34.0
 
Jan. 18, 2021, 6 p.m. 4.6 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.13 ppb (2) N/A 6.0 μg/m3 (25) 33.0
 
Jan. 18, 2021, 5 p.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.14 ppb (2) N/A 5.0 μg/m3 (21) 31.0
 
Jan. 18, 2021, 4 p.m. 3.5 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 31.0
 
Jan. 18, 2021, 3 p.m. 5.8 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.16 ppb (3) N/A 0.0 μg/m3 (0) 28.0
 
Jan. 18, 2021, 2 p.m. 3.2 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.14 ppb (2) N/A 1.0 μg/m3 (5) 30.0
 
Jan. 18, 2021, 1 p.m. 2.0 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.14 ppb (2) N/A 2.0 μg/m3 (9) 30.0
 
Jan. 18, 2021, noon 4.3 ppb (5) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.17 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, 9 a.m. 47.4 ppb (45) 20.6 ppb (20) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.89 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 8 a.m. 46.1 ppb (44) 19.2 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 7 a.m. 53.7 ppb (51) 26.1 ppb (25) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.08 ppb (13) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 6 a.m. 61.0 ppb (59) 32.0 ppb (31) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 1.27 ppb (15) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 18, 2021, 5 a.m. 57.7 ppb (55) 26.1 ppb (25) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 1.17 ppb (14) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 18, 2021, 4 a.m. 42.1 ppb (40) 8.4 ppb (8) N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) 0.8 ppb (10) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 18, 2021, 3 a.m. 28.2 ppb (27) 0.6 ppb (1) N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) 0.46 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2021, 2 a.m. 10.5 ppb (10) -0.6 ppb (0) N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, 1 a.m. 8.2 ppb (8) -0.6 ppb (0) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, midnight 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.19 ppb (3) N/A 5.0 μg/m3 (21) 33.0
 
Jan. 17, 2021, 11 p.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 35.0
 
Jan. 17, 2021, 10 p.m. 3.6 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.18 ppb (3) N/A 7.0 μg/m3 (30) 34.0
 
Jan. 17, 2021, 9 p.m. 4.4 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 17, 2021, 8 p.m. 12.8 ppb (13) 2.4 ppb (3) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.33 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 7 p.m. 17.4 ppb (17) 4.5 ppb (5) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, 6 p.m. 18.0 ppb (17) 5.3 ppb (5) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) 0.39 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 5 p.m. 37.9 ppb (36) 17.3 ppb (17) N/A 21.0 ppb (20) N/A N/A 6.0 ppb (6) 0.62 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, 4 p.m. 50.7 ppb (48) 32.5 ppb (31) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.85 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 3 p.m. 52.5 ppb (50) 38.6 ppb (37) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.92 ppb (11) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 2 p.m. 47.5 ppb (45) 33.6 ppb (32) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.88 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, 1 p.m. 42.7 ppb (41) 29.0 ppb (28) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.87 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, noon 43.8 ppb (42) 30.2 ppb (29) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.89 ppb (11) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 17, 2021, 10 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. 17, 2021, 9 a.m. 36.4 ppb (35) 20.3 ppb (20) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.72 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 8 a.m. 27.0 ppb (26) 8.9 ppb (9) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2021, 7 a.m. 21.3 ppb (21) 4.7 ppb (5) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.51 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 17, 2021, 6 a.m. 14.9 ppb (15) 1.1 ppb (2) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.36 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, 5 a.m. 16.2 ppb (16) 1.4 ppb (2) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2021, 4 a.m. 27.0 ppb (26) 4.0 ppb (4) N/A 23.0 ppb (22) N/A N/A 2.0 ppb (2) 0.58 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 17, 2021, 3 a.m. 20.9 ppb (20) 2.1 ppb (2) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (7) 0.43 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 17, 2021, 2 a.m. 21.7 ppb (21) 0.5 ppb (1) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) 0.47 ppb (6) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 17, 2021, 1 a.m. 19.6 ppb (19) 0.5 ppb (1) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) 0.37 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2021, midnight 11.7 ppb (12) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 16, 2021, 11 p.m. 8.0 ppb (8) 0.4 ppb (1) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 16, 2021, 10 p.m. 12.4 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 16, 2021, 9 p.m. 14.3 ppb (14) 2.6 ppb (3) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.35 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2021, 8 p.m. 14.8 ppb (14) 3.3 ppb (4) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) 0.34 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2021, 7 p.m. 29.7 ppb (29) 10.5 ppb (10) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) 0.5 ppb (6) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 6 p.m. 36.6 ppb (35) 15.3 ppb (15) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.54 ppb (6) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 16, 2021, 5 p.m. 43.9 ppb (42) 22.3 ppb (22) N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) 0.71 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 16, 2021, 4 p.m. 91.5 ppb (91) 67.4 ppb (66) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 1.24 ppb (14) N/A 26.0 μg/m3 (81) 91.0
 
Jan. 16, 2021, 3 p.m. 85.1 ppb (85) 66.6 ppb (65) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 1.22 ppb (14) N/A 22.0 μg/m3 (72) 85.0
 
Jan. 16, 2021, 2 p.m. 69.2 ppb (68) 52.1 ppb (50) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.08 ppb (13) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 16, 2021, 1 p.m. 70.0 ppb (69) 52.6 ppb (50) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.12 ppb (13) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 16, 2021, noon 65.2 ppb (63) 48.3 ppb (46) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 1.13 ppb (13) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 16, 2021, 10 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. 16, 2021, 9 a.m. 64.8 ppb (63) 39.8 ppb (38) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 1.15 ppb (13) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 16, 2021, 8 a.m. 73.8 ppb (73) 48.6 ppb (46) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.51 ppb (18) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 16, 2021, 7 a.m. 73.3 ppb (72) 48.2 ppb (46) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.37 ppb (16) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 16, 2021, 6 a.m. 67.1 ppb (65) 38.7 ppb (37) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 1.08 ppb (13) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 5 a.m. 44.8 ppb (43) 16.2 ppb (16) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2021, 4 a.m. 56.3 ppb (54) 25.1 ppb (24) N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) 0.95 ppb (11) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 3 a.m. 45.7 ppb (44) 12.1 ppb (12) N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) 0.74 ppb (8) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 16, 2021, 2 a.m. 29.2 ppb (28) 1.4 ppb (2) N/A 28.0 ppb (27) N/A N/A 8.0 ppb (8) 0.48 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 16, 2021, 1 a.m. 24.6 ppb (24) 0.9 ppb (1) N/A 24.0 ppb (23) N/A N/A 11.0 ppb (11) 0.48 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 16, 2021, midnight 17.1 ppb (17) 1.0 ppb (1) N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2021, 11 p.m. 13.9 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 15, 2021, 10 p.m. 19.2 ppb (19) 4.6 ppb (5) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 15, 2021, 9 p.m. 16.3 ppb (16) 4.2 ppb (4) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 15, 2021, 8 p.m. 24.6 ppb (24) 8.9 ppb (9) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.39 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 15, 2021, 7 p.m. 25.7 ppb (25) 10.3 ppb (10) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.42 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 15, 2021, 6 p.m. 36.7 ppb (35) 18.8 ppb (18) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (8) 0.51 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 15, 2021, 5 p.m. 52.2 ppb (50) 28.9 ppb (28) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) 0.63 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2021, 4 p.m. 96.4 ppb (97) 71.1 ppb (70) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.02 ppb (12) N/A 15.0 μg/m3 (58) 97.0
 
Jan. 15, 2021, 3 p.m. 67.9 ppb (66) 50.8 ppb (48) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.9 ppb (11) N/A 8.0 μg/m3 (34) 66.0
 
Jan. 15, 2021, 2 p.m. 57.5 ppb (55) 41.9 ppb (40) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.78 ppb (10) N/A 11.0 μg/m3 (46) 55.0
 
Jan. 15, 2021, 1 p.m. 53.0 ppb (50) 37.5 ppb (36) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.76 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2021, noon 53.0 ppb (50) 37.5 ppb (36) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 15, 2021, 10 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. 15, 2021, 9 a.m. 54.7 ppb (52) 36.0 ppb (34) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.89 ppb (11) N/A 10.0 μg/m3 (42) 52.0
 
Jan. 15, 2021, 8 a.m. 51.2 ppb (49) 30.9 ppb (30) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.86 ppb (11) N/A 10.0 μg/m3 (42) 49.0
 
Jan. 15, 2021, 7 a.m. 54.1 ppb (52) 33.0 ppb (32) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.88 ppb (11) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 15, 2021, 6 a.m. 53.8 ppb (51) 31.7 ppb (30) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.88 ppb (11) N/A 10.0 μg/m3 (42) 51.0
 
Jan. 15, 2021, 5 a.m. 36.1 ppb (35) 13.1 ppb (13) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 0.58 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 4 a.m. 23.5 ppb (23) 2.5 ppb (3) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 3 a.m. 18.9 ppb (18) 0.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (8) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 2 a.m. 19.9 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (10) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 1 a.m. 19.6 ppb (19) 0.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, midnight 20.2 ppb (20) 1.9 ppb (2) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.31 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2021, 11 p.m. 9.5 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 14, 2021, 10 p.m. 9.5 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.22 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 9 p.m. 12.6 ppb (12) 2.8 ppb (3) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2021, 8 p.m. 13.0 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 7 p.m. 15.5 ppb (15) 4.4 ppb (5) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2021, 6 p.m. 41.6 ppb (40) 19.5 ppb (19) N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) 0.58 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 5 p.m. 67.0 ppb (65) 40.8 ppb (39) N/A 26.0 ppb (25) N/A N/A 5.0 ppb (5) 0.79 ppb (10) N/A 13.0 μg/m3 (53) 65.0
 
Jan. 14, 2021, 4 p.m. 115.4 ppb (104) 92.6 ppb (93) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 1.3 ppb (15) N/A N/A 104.0
 
Jan. 14, 2021, 3 p.m. 89.5 ppb (89) 71.2 ppb (70) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.1 ppb (13) N/A 14.0 μg/m3 (55) 89.0
 
Jan. 14, 2021, 2 p.m. 57.8 ppb (56) 40.5 ppb (39) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.76 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 1 p.m. 40.9 ppb (39) 26.0 ppb (25) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2021, noon 31.5 ppb (30) 15.3 ppb (15) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 14, 2021, 9 a.m. 38.2 ppb (37) 16.9 ppb (16) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2021, 8 a.m. 39.2 ppb (37) 17.4 ppb (17) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.69 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 14, 2021, 7 a.m. 52.2 ppb (50) 28.0 ppb (27) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 6 a.m. 51.3 ppb (49) 23.9 ppb (23) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.58 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2021, 5 a.m. 39.5 ppb (38) 11.6 ppb (11) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.59 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 14, 2021, 4 a.m. 36.9 ppb (35) 7.3 ppb (7) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 0.57 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 14, 2021, 3 a.m. 30.4 ppb (29) 2.1 ppb (2) N/A 28.0 ppb (27) N/A N/A 5.0 ppb (5) 0.55 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 2 a.m. 20.5 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (13) 0.42 ppb (5) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 14, 2021, 1 a.m. 10.2 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2021, midnight 8.3 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 11 p.m. 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.22 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 13, 2021, 10 p.m. 10.1 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.25 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 9 p.m. 11.7 ppb (12) 2.2 ppb (3) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 13, 2021, 8 p.m. 14.5 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 24.0 ppb (23) 0.3 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2021, 7 p.m. 26.6 ppb (26) 8.7 ppb (9) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.43 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 13, 2021, 6 p.m. 41.4 ppb (40) 18.8 ppb (18) N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) 0.61 ppb (7) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 13, 2021, 5 p.m. 49.6 ppb (47) 27.9 ppb (27) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.7 ppb (8) N/A 10.0 μg/m3 (42) 47.0
 
Jan. 13, 2021, 4 p.m. 102.9 ppb (102) 77.1 ppb (76) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 1.09 ppb (13) N/A 17.0 μg/m3 (62) 102.0
 
Jan. 13, 2021, 3 p.m. 87.4 ppb (87) 67.3 ppb (66) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.17 ppb (14) N/A 13.0 μg/m3 (53) 87.0
 
Jan. 13, 2021, 2 p.m. 66.6 ppb (65) 47.2 ppb (45) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.84 ppb (10) N/A 12.0 μg/m3 (50) 65.0
 
Jan. 13, 2021, 1 p.m. 46.8 ppb (45) 27.4 ppb (26) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.66 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2021, noon 42.5 ppb (41) 24.7 ppb (24) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2021, 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. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 13, 2021, 9 a.m. 64.5 ppb (63) 39.7 ppb (38) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.93 ppb (11) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 8 a.m. 63.7 ppb (62) 36.6 ppb (35) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.92 ppb (11) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 13, 2021, 7 a.m. 52.3 ppb (50) 25.0 ppb (24) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.83 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 13, 2021, 6 a.m. 46.2 ppb (44) 16.8 ppb (16) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 5 a.m. 33.7 ppb (32) 4.7 ppb (5) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 0.55 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 4 a.m. 22.2 ppb (21) 0.7 ppb (1) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) 0.4 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 3 a.m. 18.0 ppb (17) -0.4 ppb (0) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.41 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 2 a.m. 15.8 ppb (15) -0.5 ppb (0) N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.38 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 1 a.m. 22.5 ppb (22) 0.3 ppb (1) N/A 22.0 ppb (21) N/A N/A 12.0 ppb (12) 0.45 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, midnight 23.4 ppb (23) 1.9 ppb (2) N/A 22.0 ppb (21) N/A N/A 16.0 ppb (15) 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 11 p.m. 19.1 ppb (19) 2.8 ppb (3) N/A 16.0 ppb (16) N/A N/A 18.0 ppb (17) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 10 p.m. 29.4 ppb (28) 9.0 ppb (9) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.48 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 12, 2021, 9 p.m. 22.2 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.39 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, 8 p.m. 17.0 ppb (17) 4.9 ppb (5) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 12, 2021, 7 p.m. 34.6 ppb (33) 15.3 ppb (15) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (7) 0.53 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 6 p.m. 44.0 ppb (42) 21.0 ppb (20) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) 0.62 ppb (7) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 5 p.m. 49.9 ppb (48) 28.3 ppb (27) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 4 p.m. 53.5 ppb (51) 32.2 ppb (31) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 3 p.m. 50.2 ppb (48) 29.0 ppb (28) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.71 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 2 p.m. 69.0 ppb (67) 47.3 ppb (45) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.97 ppb (12) N/A 18.0 μg/m3 (64) 67.0
 
Jan. 12, 2021, 1 p.m. 58.3 ppb (56) 37.7 ppb (36) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.9 ppb (11) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, noon 54.2 ppb (52) 33.4 ppb (32) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.8 ppb (10) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 10 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. 12, 2021, 9 a.m. 52.0 ppb (50) 29.0 ppb (28) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.82 ppb (10) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 8 a.m. 49.5 ppb (47) 23.5 ppb (23) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.83 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 7 a.m. 62.1 ppb (60) 34.2 ppb (33) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.9 ppb (11) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 12, 2021, 6 a.m. 52.6 ppb (50) 23.5 ppb (23) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.83 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 5 a.m. 52.5 ppb (50) 23.2 ppb (22) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 12, 2021, 4 a.m. 55.0 ppb (53) 22.9 ppb (22) N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) 0.83 ppb (10) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 12, 2021, 3 a.m. 44.5 ppb (42) 12.4 ppb (12) N/A 32.0 ppb (31) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 2 a.m. 30.6 ppb (29) 3.3 ppb (4) N/A 27.0 ppb (26) N/A N/A 4.0 ppb (4) 0.52 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 12, 2021, 1 a.m. 20.0 ppb (19) 0.2 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) 0.41 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, midnight 8.9 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 11 p.m. 8.5 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2021, 10 p.m. 15.8 ppb (15) 3.4 ppb (4) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.31 ppb (4) N/A 12.0 μg/m3 (50) 50.0