ID: 232

AQSQID: 060950004

Site Name: Vallejo

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

Updated: Jan. 25, 2021, 1:32 a.m.

Location: Vallejo (Florida-Hilton), CA

Reporting: True, Located: True

Current AQI: 35.0

Vallejo (Florida-Hilton) CA, US: 38.102507, -122.237976

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2021, midnight 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.33 ppb (4) N/A 1.0 μg/m3 (5) 35.0
 
Jan. 24, 2021, 11 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 34.0 ppb (32) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 32.0
 
Jan. 24, 2021, 10 p.m. 5.0 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 29.0 ppb (27) 0.32 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 24, 2021, 9 p.m. 4.6 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2021, 8 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 21.0 ppb (20) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 24, 2021, 7 p.m. 2.7 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 20.0 ppb (19) 0.3 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 6 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 23.0 ppb (22) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 5 p.m. 4.6 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 28.0 ppb (26) 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 24, 2021, 4 p.m. 4.5 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 23.0 ppb (22) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 24, 2021, 3 p.m. 22.7 ppb (22) 9.1 ppb (9) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 4.0 ppb (4) 0.54 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 24, 2021, 2 p.m. 23.5 ppb (23) 9.2 ppb (9) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 0.0 ppb (0) 0.62 ppb (7) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 24, 2021, 1 p.m. 15.2 ppb (15) 3.2 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 2.0 ppb (2) 0.52 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2021, noon 25.9 ppb (25) 12.2 ppb (12) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 1.0 ppb (1) 0.72 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2021, 11 a.m. 45.7 ppb (44) 32.2 ppb (31) N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 0.86 ppb (11) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 24, 2021, 10 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. 24, 2021, 9 a.m. 60.5 ppb (58) 46.4 ppb (44) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 0.0 ppb (0) 1.22 ppb (14) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 24, 2021, 8 a.m. 52.2 ppb (50) 36.9 ppb (35) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 0.0 ppb (0) 1.12 ppb (13) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 24, 2021, 7 a.m. 41.0 ppb (39) 24.1 ppb (23) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 1.0 ppb (1) 1.0 ppb (12) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 24, 2021, 6 a.m. 58.2 ppb (56) 39.8 ppb (38) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 1.0 ppb (1) 1.28 ppb (15) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 24, 2021, 5 a.m. 42.8 ppb (41) 23.7 ppb (23) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 1.0 ppb (1) 0.96 ppb (12) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 24, 2021, 4 a.m. 20.4 ppb (20) 5.2 ppb (5) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (7) 0.65 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 24, 2021, 3 a.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (18) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 24, 2021, 2 a.m. 7.6 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2021, 1 a.m. 12.5 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.45 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2021, midnight 5.0 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 23, 2021, 11 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
Jan. 23, 2021, 10 p.m. 3.6 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 23, 2021, 9 p.m. 5.1 ppb (5) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (25) 0.35 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 23, 2021, 8 p.m. 4.7 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2021, 7 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 23, 2021, 6 p.m. 7.4 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 19.0 ppb (18) 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2021, 5 p.m. 14.3 ppb (14) 5.9 ppb (6) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 13.0 ppb (13) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 4 p.m. 40.9 ppb (39) 22.7 ppb (22) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 3.0 ppb (3) 0.77 ppb (10) N/A 9.0 μg/m3 (38) 39.0
 
Jan. 23, 2021, 3 p.m. 34.3 ppb (33) 15.4 ppb (15) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 1.0 ppb (1) 0.65 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 2 p.m. 16.4 ppb (16) 3.0 ppb (3) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (7) 0.49 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2021, 1 p.m. 7.3 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (15) 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 23, 2021, noon 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 23, 2021, 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. 23, 2021, 10 a.m. 12.3 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 12.0 ppb (12) 0.48 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2021, 9 a.m. 22.2 ppb (21) 2.8 ppb (3) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 4.0 ppb (4) 0.65 ppb (8) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2021, 8 a.m. 17.5 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (7) 0.61 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2021, 7 a.m. 16.6 ppb (16) 1.4 ppb (2) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 11.0 ppb (11) 0.65 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 23, 2021, 6 a.m. 20.5 ppb (20) 2.2 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 10.0 ppb (10) 0.75 ppb (10) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 23, 2021, 5 a.m. 23.2 ppb (22) 2.2 ppb (3) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 9.0 ppb (9) 0.67 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 23, 2021, 4 a.m. 17.9 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (13) 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2021, 3 a.m. 26.4 ppb (25) 5.3 ppb (5) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 12.0 ppb (12) 0.66 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 23, 2021, 2 a.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (23) 0.54 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2021, 1 a.m. 9.4 ppb (9) 1.6 ppb (2) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.49 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 23, 2021, midnight 5.6 ppb (6) 1.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 37.0 ppb (35) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 35.0
 
Jan. 22, 2021, 11 p.m. 4.4 ppb (5) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.4 ppb (5) N/A 1.0 μg/m3 (5) 35.0
 
Jan. 22, 2021, 10 p.m. 5.3 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 36.0 ppb (34) 0.39 ppb (5) N/A 3.0 μg/m3 (13) 34.0
 
Jan. 22, 2021, 9 p.m. 5.8 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 38.0 ppb (36) 0.43 ppb (5) N/A 7.0 μg/m3 (30) 36.0
 
Jan. 22, 2021, 8 p.m. 8.4 ppb (8) 2.6 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 33.0
 
Jan. 22, 2021, 7 p.m. 4.7 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 35.0 ppb (33) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 33.0
 
Jan. 22, 2021, 6 p.m. 8.8 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 33.0 ppb (31) 0.49 ppb (6) N/A 4.0 μg/m3 (17) 31.0
 
Jan. 22, 2021, 5 p.m. 6.5 ppb (7) 1.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) 0.58 ppb (7) N/A 6.0 μg/m3 (25) 31.0
 
Jan. 22, 2021, 4 p.m. 8.7 ppb (9) 2.2 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) 0.61 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 3 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.61 ppb (7) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 22, 2021, 2 p.m. 295.1 ppb (138) 281.1 ppb (136) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) 0.79 ppb (10) N/A N/A 138.0
 
Jan. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2021, 10 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 26.0 ppb (25) 0.26 ppb (4) N/A 5.0 μg/m3 (21) 25.0
 
Jan. 22, 2021, 9 a.m. 9.7 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 22.0 ppb (21) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 8 a.m. 6.8 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 20.0 ppb (19) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2021, 7 a.m. 7.9 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 20.0 ppb (19) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2021, 6 a.m. 5.4 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 22.0 ppb (21) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 5 a.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 4 a.m. 5.6 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 22, 2021, 3 a.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 26.0 ppb (25) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2021, 2 a.m. 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.28 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2021, 1 a.m. 9.5 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 28.0 ppb (26) 0.31 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2021, midnight 12.5 ppb (12) 2.3 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 28.0 ppb (26) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2021, 11 p.m. 9.9 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 32.0 ppb (30) 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2021, 10 p.m. 15.1 ppb (15) 3.5 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 27.0 ppb (25) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2021, 9 p.m. 19.1 ppb (19) 6.3 ppb (6) N/A 13.0 ppb (13) N/A 3.0 ppb (5) 23.0 ppb (22) 0.37 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 21, 2021, 8 p.m. 15.4 ppb (15) 5.3 ppb (5) N/A 10.0 ppb (10) N/A 2.0 ppb (3) 25.0 ppb (24) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2021, 7 p.m. 23.7 ppb (23) 10.0 ppb (10) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 18.0 ppb (17) 0.47 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, 6 p.m. 34.3 ppb (33) 17.0 ppb (17) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) 0.59 ppb (7) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 21, 2021, 5 p.m. 49.8 ppb (47) 29.1 ppb (28) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 6.0 ppb (6) 0.68 ppb (8) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 21, 2021, 4 p.m. 116.9 ppb (105) 88.5 ppb (88) N/A 28.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.33 ppb (15) N/A 17.0 μg/m3 (62) 105.0
 
Jan. 21, 2021, 3 p.m. 136.6 ppb (108) 108.8 ppb (103) N/A 28.0 ppb (27) N/A 2.0 ppb (3) 0.0 ppb (0) 1.59 ppb (19) N/A 9.0 μg/m3 (38) 108.0
 
Jan. 21, 2021, 2 p.m. 107.6 ppb (103) 84.6 ppb (84) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 0.0 ppb (0) 1.37 ppb (16) N/A 10.0 μg/m3 (42) 103.0
 
Jan. 21, 2021, 1 p.m. 98.6 ppb (99) 70.8 ppb (69) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 0.0 ppb (0) 0.96 ppb (12) N/A 11.0 μg/m3 (46) 99.0
 
Jan. 21, 2021, noon 75.0 ppb (74) 53.4 ppb (51) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 12.0 μg/m3 (50) 74.0
 
Jan. 21, 2021, 11 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. 21, 2021, 10 a.m. 73.8 ppb (73) 49.5 ppb (47) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) 1.06 ppb (13) N/A 15.0 μg/m3 (58) 73.0
 
Jan. 21, 2021, 9 a.m. 78.7 ppb (78) 50.1 ppb (48) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) N/A 13.0 μg/m3 (53) 78.0
 
Jan. 21, 2021, 8 a.m. 71.6 ppb (70) 45.1 ppb (43) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 0.85 ppb (10) N/A 16.0 μg/m3 (60) 70.0
 
Jan. 21, 2021, 7 a.m. 73.9 ppb (73) 46.1 ppb (44) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) 1.03 ppb (12) N/A 21.0 μg/m3 (70) 73.0
 
Jan. 21, 2021, 6 a.m. 71.7 ppb (70) 41.7 ppb (40) N/A 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 1.0 ppb (12) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2021, 5 a.m. 65.5 ppb (64) 33.3 ppb (32) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 0.0 ppb (0) 0.93 ppb (11) N/A 17.0 μg/m3 (62) 64.0
 
Jan. 21, 2021, 4 a.m. 88.7 ppb (88) 55.1 ppb (53) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 1.0 ppb (1) 1.35 ppb (16) N/A 22.0 μg/m3 (72) 88.0
 
Jan. 21, 2021, 3 a.m. 60.4 ppb (58) 26.3 ppb (25) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 2.0 ppb (2) 0.97 ppb (12) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, 2 a.m. 71.6 ppb (70) 37.4 ppb (36) N/A 34.0 ppb (33) N/A 1.0 ppb (2) 0.0 ppb (0) 1.32 ppb (15) N/A 17.0 μg/m3 (62) 70.0
 
Jan. 21, 2021, 1 a.m. 38.1 ppb (36) 9.5 ppb (9) N/A 29.0 ppb (28) N/A 1.0 ppb (2) 10.0 ppb (10) 0.75 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, midnight 11.5 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 30.0 ppb (28) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2021, 11 p.m. 7.1 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.21 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 20, 2021, 10 p.m. 9.8 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2021, 9 p.m. 11.5 ppb (11) 3.3 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.25 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 20, 2021, 8 p.m. 11.0 ppb (11) 3.5 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 28.0 ppb (26) 0.23 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 20, 2021, 7 p.m. 17.9 ppb (17) 6.8 ppb (7) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 22.0 ppb (21) 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2021, 6 p.m. 45.1 ppb (43) 21.2 ppb (20) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 12.0 ppb (12) 0.55 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 20, 2021, 5 p.m. 60.8 ppb (59) 34.3 ppb (33) N/A 26.0 ppb (25) N/A 2.0 ppb (3) 8.0 ppb (8) 0.7 ppb (8) N/A 15.0 μg/m3 (58) 59.0
 
Jan. 20, 2021, 4 p.m. 145.8 ppb (110) 110.1 ppb (103) N/A 36.0 ppb (34) N/A 2.0 ppb (3) 2.0 ppb (2) 1.53 ppb (18) N/A 17.0 μg/m3 (62) 110.0
 
Jan. 20, 2021, 3 p.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. 20, 2021, 2 p.m. 130.6 ppb (107) 85.7 ppb (85) N/A 45.0 ppb (43) N/A 1.0 ppb (2) 0.0 ppb (0) 0.92 ppb (11) N/A 10.0 μg/m3 (42) 107.0
 
Jan. 20, 2021, 1 p.m. 108.7 ppb (103) 68.0 ppb (66) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 0.0 ppb (0) 0.79 ppb (10) N/A 9.0 μg/m3 (38) 103.0
 
Jan. 20, 2021, noon 95.0 ppb (95) 55.9 ppb (54) N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.62 ppb (7) N/A 8.0 μg/m3 (34) 95.0
 
Jan. 20, 2021, 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. 20, 2021, 10 a.m. 71.7 ppb (70) 36.1 ppb (35) N/A 36.0 ppb (34) N/A 1.0 ppb (2) 0.0 ppb (0) 0.58 ppb (7) N/A 14.0 μg/m3 (55) 70.0
 
Jan. 20, 2021, 9 a.m. 68.9 ppb (67) 31.9 ppb (31) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 0.0 ppb (0) 0.57 ppb (7) N/A 15.0 μg/m3 (58) 67.0
 
Jan. 20, 2021, 8 a.m. 72.0 ppb (71) 33.7 ppb (32) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 0.0 ppb (0) 0.73 ppb (8) N/A 15.0 μg/m3 (58) 71.0
 
Jan. 20, 2021, 7 a.m. 74.6 ppb (73) 33.8 ppb (32) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 1.0 ppb (1) 0.83 ppb (10) N/A 18.0 μg/m3 (64) 73.0
 
Jan. 20, 2021, 6 a.m. 75.2 ppb (74) 31.3 ppb (30) N/A 44.0 ppb (42) N/A 1.0 ppb (2) 1.0 ppb (1) 0.81 ppb (10) N/A 14.0 μg/m3 (55) 74.0
 
Jan. 20, 2021, 5 a.m. 55.9 ppb (54) 14.9 ppb (15) N/A 41.0 ppb (39) N/A 1.0 ppb (2) 3.0 ppb (3) 0.71 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 20, 2021, 4 a.m. 22.9 ppb (22) 2.9 ppb (3) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 20.0 ppb (19) 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 3 a.m. 23.5 ppb (23) 4.2 ppb (4) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 24.0 ppb (23) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 2 a.m. 23.3 ppb (22) 2.9 ppb (3) N/A 20.0 ppb (19) N/A 1.0 ppb (2) 25.0 ppb (24) 0.39 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2021, 1 a.m. 15.5 ppb (15) 3.6 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 35.0 ppb (33) 0.27 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 20, 2021, midnight 8.8 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 38.0 ppb (36) 0.22 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 11 p.m. 7.3 ppb (7) 2.5 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 39.0 ppb (37) 0.22 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2021, 10 p.m. 7.1 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 40.0 ppb (38) 0.21 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.25 ppb (3) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2021, 7 p.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) 0.24 ppb (3) N/A N/A 35.0
 
Jan. 19, 2021, 6 p.m. 5.9 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 33.0
 
Jan. 19, 2021, 5 p.m. 9.4 ppb (9) 4.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 35.0 ppb (33) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 4 p.m. 3.5 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) N/A 3.0 μg/m3 (13) 33.0
 
Jan. 19, 2021, 3 p.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) 0.22 ppb (3) N/A 6.0 μg/m3 (25) 33.0
 
Jan. 19, 2021, 2 p.m. 2.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.21 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 19, 2021, 1 p.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 35.0
 
Jan. 19, 2021, noon 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 36.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 19, 2021, 10 a.m. 0.8 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
Jan. 19, 2021, 9 a.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 37.0
 
Jan. 19, 2021, 8 a.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) 0.17 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
Jan. 19, 2021, 7 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 4.0 μg/m3 (17) 37.0
 
Jan. 19, 2021, 6 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 37.0
 
Jan. 19, 2021, 5 a.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) 0.16 ppb (3) N/A 2.0 μg/m3 (9) 38.0
 
Jan. 19, 2021, 4 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 4.0 μg/m3 (17) 38.0
 
Jan. 19, 2021, 3 a.m. 2.2 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
Jan. 19, 2021, 2 a.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) N/A 3.0 μg/m3 (13) 38.0
 
Jan. 19, 2021, 1 a.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
Jan. 19, 2021, midnight 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 38.0
 
Jan. 18, 2021, 11 p.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) 0.13 ppb (2) N/A -1.0 μg/m3 (0) 38.0
 
Jan. 18, 2021, 10 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) 0.13 ppb (2) N/A 2.0 μg/m3 (9) 39.0
 
Jan. 18, 2021, 9 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) N/A 4.0 μg/m3 (17) 38.0
 
Jan. 18, 2021, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 38.0
 
Jan. 18, 2021, 7 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) 0.16 ppb (3) N/A 1.0 μg/m3 (5) 38.0
 
Jan. 18, 2021, 6 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 38.0
 
Jan. 18, 2021, 5 p.m. 6.8 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 36.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2021, 3 p.m. 47.4 ppb (45) 22.3 ppb (22) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 3.0 ppb (3) 0.76 ppb (10) N/A 9.0 μg/m3 (38) 45.0
 
Jan. 18, 2021, 2 p.m. 40.8 ppb (39) 14.5 ppb (14) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 0.0 ppb (0) 0.67 ppb (8) N/A 7.0 μg/m3 (30) 39.0
 
Jan. 18, 2021, 1 p.m. 13.7 ppb (13) -7.9 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 2.0 ppb (2) 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, noon 2.3 ppb (3) N/A N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2021, 10 a.m. 35.0 ppb (34) 10.0 ppb (10) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 0.0 ppb (0) 0.93 ppb (11) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 9 a.m. 48.2 ppb (46) 23.1 ppb (22) N/A 25.0 ppb (24) N/A 1.0 ppb (2) 0.0 ppb (0) 1.09 ppb (13) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 18, 2021, 8 a.m. 54.9 ppb (52) 27.8 ppb (27) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 0.0 ppb (0) 1.12 ppb (13) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 18, 2021, 6 a.m. 105.4 ppb (102) 78.0 ppb (77) N/A 28.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.65 ppb (19) N/A 27.0 μg/m3 (83) 102.0
 
Jan. 18, 2021, 5 a.m. 104.8 ppb (102) 74.7 ppb (74) N/A 30.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 1.74 ppb (20) N/A 29.0 μg/m3 (87) 102.0
 
Jan. 18, 2021, 4 a.m. 92.2 ppb (92) 62.7 ppb (61) N/A 30.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 1.61 ppb (19) N/A 31.0 μg/m3 (91) 92.0
 
Jan. 18, 2021, 3 a.m. 93.0 ppb (93) 62.2 ppb (60) N/A 31.0 ppb (30) N/A 2.0 ppb (3) 2.0 ppb (2) 1.98 ppb (23) N/A 41.0 μg/m3 (115) 115.0
 
Jan. 18, 2021, 2 a.m. 47.5 ppb (45) 13.8 ppb (14) N/A 34.0 ppb (33) N/A 2.0 ppb (3) 2.0 ppb (2) 1.22 ppb (14) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 18, 2021, 1 a.m. 24.9 ppb (24) 2.9 ppb (3) N/A 22.0 ppb (21) N/A 1.0 ppb (2) 16.0 ppb (15) 0.66 ppb (8) N/A 9.0 μg/m3 (38) 38.0