ID: 181

AQSQID: 060658001

Site Name: Riverside - Rubidoux

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

Updated: Jan. 18, 2021, 4:31 a.m.

Location: Rivside (Rivview Dr), CA

Reporting: True, Located: True

Current AQI: 30.0

Rivside (Rivview Dr) CA, US: 33.999449, -117.415831

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 3 a.m. 9.9 ppb (10) 0.0 ppb (0) 7.6 ppb (8) 10.0 ppb (10) 7.6 ppb (8) 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) 17.0 μg/m3 (16) 1.0 μg/m3 (5) 30.0
 
Jan. 18, 2021, 2 a.m. 6.0 ppb (6) 0.1 ppb (1) 4.4 ppb (5) 6.0 ppb (6) 4.1 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 24.0 μg/m3 (23) -2.0 μg/m3 (0) 35.0
 
Jan. 18, 2021, 1 a.m. 6.1 ppb (6) 0.1 ppb (1) 4.7 ppb (5) 6.0 ppb (6) 4.4 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.15 ppb (2) 26.0 μg/m3 (25) -1.0 μg/m3 (0) 35.0
 
Jan. 18, 2021, midnight 5.0 ppb (5) 0.2 ppb (1) 4.4 ppb (5) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 11.0 μg/m3 (11) -2.0 μg/m3 (0) 38.0
 
Jan. 17, 2021, 11 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (39) 0.14 ppb (2) 10.0 μg/m3 (10) N/A 39.0
 
Jan. 17, 2021, 10 p.m. 3.9 ppb (4) 0.4 ppb (1) 2.5 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.13 ppb (2) 12.0 μg/m3 (12) -1.0 μg/m3 (0) 40.0
 
Jan. 17, 2021, 9 p.m. 3.8 ppb (4) 0.5 ppb (1) 2.6 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 43.0 ppb (40) 0.15 ppb (2) 10.0 μg/m3 (10) -2.0 μg/m3 (0) 40.0
 
Jan. 17, 2021, 8 p.m. 2.8 ppb (3) 0.4 ppb (1) 1.6 ppb (2) 2.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 42.0 ppb (39) 0.12 ppb (2) 8.0 μg/m3 (8) N/A 39.0
 
Jan. 17, 2021, 7 p.m. 2.6 ppb (3) 0.4 ppb (1) 1.5 ppb (2) 2.0 ppb (2) 0.9 ppb (1) 0.0 ppb (0) 41.0 ppb (38) 0.12 ppb (2) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 38.0
 
Jan. 17, 2021, 6 p.m. 7.2 ppb (7) 1.6 ppb (2) 5.5 ppb (6) 6.0 ppb (6) 3.8 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 35.0
 
Jan. 17, 2021, 5 p.m. 19.8 ppb (19) 5.7 ppb (6) 16.6 ppb (16) 14.0 ppb (14) 11.2 ppb (11) 1.0 ppb (2) 24.0 ppb (23) 0.22 ppb (3) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 23.0
 
Jan. 17, 2021, 4 p.m. 28.4 ppb (27) 10.6 ppb (10) 23.2 ppb (22) 18.0 ppb (17) 14.1 ppb (14) 1.0 ppb (2) 17.0 ppb (16) 0.23 ppb (3) 19.0 μg/m3 (18) 1.0 μg/m3 (5) 27.0
 
Jan. 17, 2021, 3 p.m. 33.1 ppb (32) 9.1 ppb (9) 28.0 ppb (27) 24.0 ppb (23) 20.5 ppb (20) 1.0 ppb (2) 7.0 ppb (7) 0.25 ppb (3) 23.0 μg/m3 (22) 2.0 μg/m3 (9) 32.0
 
Jan. 17, 2021, 2 p.m. 25.7 ppb (25) 2.1 ppb (2) 21.6 ppb (21) 24.0 ppb (23) 20.1 ppb (19) 0.0 ppb (0) 7.0 ppb (7) 0.21 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 25.0
 
Jan. 17, 2021, 1 p.m. 15.5 ppb (15) 0.6 ppb (1) 12.2 ppb (12) 15.0 ppb (15) 11.8 ppb (12) 0.0 ppb (0) 22.0 ppb (21) 0.14 ppb (2) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 21.0
 
Jan. 17, 2021, noon 16.0 ppb (16) 0.3 ppb (1) 12.2 ppb (12) 16.0 ppb (16) 12.1 ppb (12) 0.0 ppb (0) 19.0 ppb (18) 0.15 ppb (2) 15.0 μg/m3 (14) 0.0 μg/m3 (0) 18.0
 
Jan. 17, 2021, 11 a.m. 7.4 ppb (7) 0.0 ppb (0) 8.5 ppb (9) 7.0 ppb (7) 8.4 ppb (8) 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 30.0
 
Jan. 17, 2021, 10 a.m. 2.0 ppb (2) -0.1 ppb (0) 3.2 ppb (4) 2.0 ppb (2) 3.1 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.09 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 37.0
 
Jan. 17, 2021, 9 a.m. 7.2 ppb (7) -0.1 ppb (0) 7.4 ppb (7) 7.0 ppb (7) 7.3 ppb (7) 0.0 ppb (0) 32.0 ppb (30) 0.12 ppb (2) 12.0 μg/m3 (12) 0.0 μg/m3 (0) 30.0
 
Jan. 17, 2021, 8 a.m. 7.9 ppb (8) 0.0 ppb (0) 7.1 ppb (7) 8.0 ppb (8) 7.1 ppb (7) 0.0 ppb (0) 31.0 ppb (29) 0.12 ppb (2) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 29.0
 
Jan. 17, 2021, 7 a.m. 5.8 ppb (6) -0.1 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.12 ppb (2) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 32.0
 
Jan. 17, 2021, 6 a.m. 2.8 ppb (3) -0.1 ppb (0) 1.3 ppb (2) 3.0 ppb (3) 1.2 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 8.0 μg/m3 (8) -2.0 μg/m3 (0) 36.0
 
Jan. 17, 2021, 5 a.m. 2.9 ppb (3) -0.1 ppb (0) 1.4 ppb (2) 3.0 ppb (3) 1.3 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 12.0 μg/m3 (12) -1.0 μg/m3 (0) 35.0
 
Jan. 17, 2021, 4 a.m. 3.5 ppb (4) -0.1 ppb (0) 2.0 ppb (2) 4.0 ppb (4) 1.8 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 35.0
 
Jan. 17, 2021, 3 a.m. 4.0 ppb (4) -0.1 ppb (0) 2.4 ppb (3) 4.0 ppb (4) 2.3 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 15.0 μg/m3 (14) 0.0 μg/m3 (0) 34.0
 
Jan. 17, 2021, 2 a.m. 4.3 ppb (5) 0.0 ppb (0) 2.8 ppb (3) 4.0 ppb (4) 2.5 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 27.0 μg/m3 (25) 0.0 μg/m3 (0) 33.0
 
Jan. 17, 2021, 1 a.m. 4.7 ppb (5) 0.1 ppb (1) 3.0 ppb (3) 5.0 ppb (5) 2.6 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.11 ppb (2) 27.0 μg/m3 (25) 1.0 μg/m3 (5) 33.0
 
Jan. 17, 2021, midnight 5.0 ppb (5) 0.2 ppb (1) 3.5 ppb (4) 5.0 ppb (5) 3.0 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 37.0 μg/m3 (35) 2.0 μg/m3 (9) 35.0
 
Jan. 16, 2021, 11 p.m. 4.6 ppb (5) 0.5 ppb (1) 3.0 ppb (3) 4.0 ppb (4) 2.2 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 27.0 μg/m3 (25) 0.0 μg/m3 (0) 35.0
 
Jan. 16, 2021, 10 p.m. 3.6 ppb (4) 0.5 ppb (1) 2.4 ppb (3) 3.0 ppb (3) 1.6 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 22.0 μg/m3 (21) -1.0 μg/m3 (0) 36.0
 
Jan. 16, 2021, 9 p.m. 4.3 ppb (5) 0.8 ppb (1) 3.0 ppb (3) 4.0 ppb (4) 2.1 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 24.0 μg/m3 (23) 2.0 μg/m3 (9) 36.0
 
Jan. 16, 2021, 8 p.m. 4.1 ppb (4) 0.8 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 1.9 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 23.0 μg/m3 (22) 3.0 μg/m3 (13) 36.0
 
Jan. 16, 2021, 7 p.m. 4.3 ppb (5) 0.9 ppb (1) 3.4 ppb (4) 3.0 ppb (3) 2.4 ppb (3) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 36.0 μg/m3 (34) 1.0 μg/m3 (5) 36.0
 
Jan. 16, 2021, 6 p.m. 4.7 ppb (5) 1.0 ppb (1) 3.4 ppb (4) 4.0 ppb (4) 2.3 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) 35.0 μg/m3 (33) 2.0 μg/m3 (9) 35.0
 
Jan. 16, 2021, 5 p.m. 30.3 ppb (29) 14.1 ppb (14) 26.7 ppb (26) 16.0 ppb (16) 13.7 ppb (13) 1.0 ppb (2) 24.0 ppb (23) 0.33 ppb (4) 28.0 μg/m3 (26) 5.0 μg/m3 (21) 29.0
 
Jan. 16, 2021, 4 p.m. 66.5 ppb (65) 37.7 ppb (36) 57.9 ppb (56) 29.0 ppb (28) 26.2 ppb (25) 1.0 ppb (2) 5.0 ppb (5) 0.5 ppb (6) 31.0 μg/m3 (29) 9.0 μg/m3 (38) 65.0
 
Jan. 16, 2021, 3 p.m. 106.0 ppb (102) 75.1 ppb (74) 90.0 ppb (90) 31.0 ppb (30) 30.2 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 0.76 ppb (10) 52.0 μg/m3 (49) 10.0 μg/m3 (42) 102.0
 
Jan. 16, 2021, 2 p.m. 104.2 ppb (102) 71.5 ppb (70) 89.4 ppb (89) 33.0 ppb (32) 31.0 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.74 ppb (8) 50.0 μg/m3 (47) 9.0 μg/m3 (38) 102.0
 
Jan. 16, 2021, 1 p.m. 91.4 ppb (91) 60.2 ppb (58) 81.6 ppb (81) 31.0 ppb (30) 27.5 ppb (26) 1.0 ppb (2) 1.0 ppb (1) 0.7 ppb (8) 58.0 μg/m3 (53) 10.0 μg/m3 (42) 91.0
 
Jan. 16, 2021, noon 94.0 ppb (94) 62.6 ppb (61) 84.6 ppb (84) 31.0 ppb (30) 30.4 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 0.74 ppb (8) 56.0 μg/m3 (52) 13.0 μg/m3 (53) 94.0
 
Jan. 16, 2021, 11 a.m. 99.9 ppb (100) 67.8 ppb (66) 80.4 ppb (80) 32.0 ppb (31) 28.7 ppb (28) 1.0 ppb (2) 1.0 ppb (1) 0.88 ppb (11) 72.0 μg/m3 (60) 15.0 μg/m3 (58) 100.0
 
Jan. 16, 2021, 10 a.m. 107.7 ppb (103) 74.0 ppb (73) 97.4 ppb (98) 34.0 ppb (33) 33.0 ppb (32) 1.0 ppb (2) 1.0 ppb (1) 0.95 ppb (11) 87.0 μg/m3 (67) 16.0 μg/m3 (60) 103.0
 
Jan. 16, 2021, 9 a.m. 112.5 ppb (104) 76.9 ppb (76) 99.4 ppb (100) 36.0 ppb (34) 30.9 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 1.01 ppb (12) 102.0 μg/m3 (75) 18.0 μg/m3 (64) 104.0
 
Jan. 16, 2021, 8 a.m. 106.7 ppb (103) 70.2 ppb (69) 100.0 ppb (100) 36.0 ppb (34) 35.8 ppb (34) 1.0 ppb (2) 1.0 ppb (1) 1.0 ppb (12) 117.0 μg/m3 (82) 16.0 μg/m3 (60) 103.0
 
Jan. 16, 2021, 7 a.m. 101.5 ppb (102) 65.7 ppb (64) 94.2 ppb (94) 36.0 ppb (34) 35.2 ppb (34) 1.0 ppb (2) 1.0 ppb (1) 1.08 ppb (13) 95.0 μg/m3 (71) 16.0 μg/m3 (60) 102.0
 
Jan. 16, 2021, 6 a.m. 79.8 ppb (79) 43.8 ppb (42) 70.0 ppb (69) 36.0 ppb (34) 34.9 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 54.0 μg/m3 (50) 9.0 μg/m3 (38) 79.0
 
Jan. 16, 2021, 5 a.m. 56.1 ppb (54) 15.8 ppb (15) 51.6 ppb (49) 40.0 ppb (38) 37.3 ppb (36) 1.0 ppb (2) 1.0 ppb (1) 0.47 ppb (6) 37.0 μg/m3 (35) 6.0 μg/m3 (25) 54.0
 
Jan. 16, 2021, 4 a.m. 38.3 ppb (37) 3.3 ppb (4) 32.2 ppb (31) 35.0 ppb (34) 30.0 ppb (29) 0.0 ppb (0) 8.0 ppb (8) 0.35 ppb (4) 28.0 μg/m3 (26) 4.0 μg/m3 (17) 37.0
 
Jan. 16, 2021, 3 a.m. 25.5 ppb (25) 0.8 ppb (1) 21.7 ppb (21) 25.0 ppb (24) 21.1 ppb (20) 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) 23.0 μg/m3 (22) 1.0 μg/m3 (5) 25.0
 
Jan. 16, 2021, 2 a.m. 16.5 ppb (16) 0.1 ppb (1) 13.6 ppb (13) 16.0 ppb (16) 13.4 ppb (13) 0.0 ppb (0) 28.0 ppb (26) 0.22 ppb (3) 24.0 μg/m3 (23) 2.0 μg/m3 (9) 26.0
 
Jan. 16, 2021, 1 a.m. 11.6 ppb (11) 0.3 ppb (1) 9.5 ppb (9) 11.0 ppb (11) 9.1 ppb (9) 0.0 ppb (0) 34.0 ppb (32) 0.15 ppb (2) 28.0 μg/m3 (26) 3.0 μg/m3 (13) 32.0
 
Jan. 16, 2021, midnight 11.3 ppb (11) 0.7 ppb (1) 9.3 ppb (9) 11.0 ppb (11) 8.4 ppb (8) 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 19.0 μg/m3 (18) 0.0 μg/m3 (0) 33.0
 
Jan. 15, 2021, 11 p.m. 7.8 ppb (8) 1.0 ppb (1) 6.2 ppb (6) 7.0 ppb (7) 5.0 ppb (5) 0.0 ppb (0) 39.0 ppb (37) 0.13 ppb (2) 15.0 μg/m3 (14) -2.0 μg/m3 (0) 37.0
 
Jan. 15, 2021, 10 p.m. 5.7 ppb (6) 0.9 ppb (1) 4.3 ppb (5) 5.0 ppb (5) 3.2 ppb (4) 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 17.0 μg/m3 (16) 0.0 μg/m3 (0) 38.0
 
Jan. 15, 2021, 9 p.m. 4.8 ppb (5) 0.8 ppb (1) 3.5 ppb (4) 4.0 ppb (4) 2.5 ppb (3) 0.0 ppb (0) 42.0 ppb (39) 0.11 ppb (2) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 39.0
 
Jan. 15, 2021, 8 p.m. 5.0 ppb (5) 0.9 ppb (1) 3.7 ppb (4) 4.0 ppb (4) 2.6 ppb (3) 0.0 ppb (0) 41.0 ppb (38) 0.11 ppb (2) 29.0 μg/m3 (27) 5.0 μg/m3 (21) 38.0
 
Jan. 15, 2021, 7 p.m. 4.7 ppb (5) 0.9 ppb (1) 3.3 ppb (4) 4.0 ppb (4) 2.2 ppb (3) 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) 68.0 μg/m3 (58) 5.0 μg/m3 (21) 58.0
 
Jan. 15, 2021, 6 p.m. 5.4 ppb (6) 1.0 ppb (1) 3.6 ppb (4) 4.0 ppb (4) 2.5 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) 46.0 μg/m3 (43) 1.0 μg/m3 (5) 43.0
 
Jan. 15, 2021, 5 p.m. 8.6 ppb (9) 1.7 ppb (2) 6.0 ppb (6) 7.0 ppb (7) 4.4 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 32.0 μg/m3 (30) 1.0 μg/m3 (5) 34.0
 
Jan. 15, 2021, 4 p.m. 14.6 ppb (14) 2.8 ppb (3) 11.3 ppb (11) 12.0 ppb (12) 8.7 ppb (9) 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 22.0 μg/m3 (21) 1.0 μg/m3 (5) 28.0
 
Jan. 15, 2021, 3 p.m. 8.7 ppb (9) 0.5 ppb (1) 6.6 ppb (7) 8.0 ppb (8) 5.9 ppb (6) 0.0 ppb (0) 34.0 ppb (32) 0.11 ppb (2) 36.0 μg/m3 (34) 0.0 μg/m3 (0) 34.0
 
Jan. 15, 2021, 2 p.m. 5.8 ppb (6) 0.1 ppb (1) 3.9 ppb (4) 6.0 ppb (6) 3.6 ppb (4) 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 29.0 μg/m3 (27) 1.0 μg/m3 (5) 34.0
 
Jan. 15, 2021, 1 p.m. 3.6 ppb (4) 0.0 ppb (0) 1.9 ppb (2) 4.0 ppb (4) 1.7 ppb (2) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 19.0 μg/m3 (18) 1.0 μg/m3 (5) 36.0
 
Jan. 15, 2021, noon 3.4 ppb (4) 0.0 ppb (0) 1.6 ppb (2) 3.0 ppb (3) 1.5 ppb (2) 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) 29.0 μg/m3 (27) 1.0 μg/m3 (5) 35.0
 
Jan. 15, 2021, 11 a.m. 3.3 ppb (4) -0.1 ppb (0) 1.5 ppb (2) 3.0 ppb (3) 1.5 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 46.0 μg/m3 (43) 2.0 μg/m3 (9) 43.0
 
Jan. 15, 2021, 10 a.m. 3.1 ppb (3) 0.0 ppb (0) 1.5 ppb (2) 3.0 ppb (3) 1.4 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) 82.0 μg/m3 (65) 2.0 μg/m3 (9) 65.0
 
Jan. 15, 2021, 9 a.m. 3.0 ppb (3) -0.1 ppb (0) 1.6 ppb (2) 3.0 ppb (3) 1.5 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 27.0 μg/m3 (25) 1.0 μg/m3 (5) 34.0
 
Jan. 15, 2021, 8 a.m. 2.8 ppb (3) -0.1 ppb (0) 1.4 ppb (2) 3.0 ppb (3) 1.3 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) 38.0 μg/m3 (36) 2.0 μg/m3 (9) 36.0
 
Jan. 15, 2021, 7 a.m. 3.8 ppb (4) 0.0 ppb (0) 2.0 ppb (2) 4.0 ppb (4) 1.9 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 37.0 μg/m3 (35) 2.0 μg/m3 (9) 35.0
 
Jan. 15, 2021, 6 a.m. 3.6 ppb (4) -0.1 ppb (0) 2.1 ppb (2) 4.0 ppb (4) 2.0 ppb (2) 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 34.0
 
Jan. 15, 2021, 5 a.m. 4.7 ppb (5) 0.0 ppb (0) 2.8 ppb (3) 5.0 ppb (5) 2.7 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 34.0
 
Jan. 15, 2021, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) 3.1 ppb (3) 5.0 ppb (5) 3.0 ppb (3) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 34.0
 
Jan. 15, 2021, 3 a.m. 6.8 ppb (7) 0.2 ppb (1) 4.6 ppb (5) 7.0 ppb (7) 4.3 ppb (5) 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 33.0
 
Jan. 15, 2021, 2 a.m. 7.9 ppb (8) 0.2 ppb (1) 5.6 ppb (6) 8.0 ppb (8) 5.3 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 16.0 μg/m3 (15) -1.0 μg/m3 (0) 32.0
 
Jan. 15, 2021, 1 a.m. 7.6 ppb (8) 0.3 ppb (1) 5.5 ppb (6) 7.0 ppb (7) 5.1 ppb (5) 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 21.0 μg/m3 (20) -2.0 μg/m3 (0) 33.0
 
Jan. 15, 2021, midnight 7.0 ppb (7) 0.5 ppb (1) 5.1 ppb (5) 6.0 ppb (6) 4.4 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.13 ppb (2) 23.0 μg/m3 (22) 1.0 μg/m3 (5) 35.0
 
Jan. 14, 2021, 11 p.m. 6.4 ppb (7) 0.8 ppb (1) 4.7 ppb (5) 6.0 ppb (6) 3.7 ppb (4) 0.0 ppb (0) 38.0 ppb (36) 0.13 ppb (2) 25.0 μg/m3 (24) 4.0 μg/m3 (17) 36.0
 
Jan. 14, 2021, 10 p.m. 6.3 ppb (6) 1.1 ppb (2) 4.6 ppb (5) 5.0 ppb (5) 3.4 ppb (4) 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 49.0 μg/m3 (46) 3.0 μg/m3 (13) 46.0
 
Jan. 14, 2021, 9 p.m. 6.7 ppb (7) 1.3 ppb (2) 5.1 ppb (5) 5.0 ppb (5) 3.6 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.11 ppb (2) N/A 3.0 μg/m3 (13) 35.0
 
Jan. 14, 2021, 8 p.m. 5.9 ppb (6) 1.2 ppb (2) 4.4 ppb (5) 5.0 ppb (5) 3.0 ppb (3) 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) 153.0 μg/m3 (100) 2.0 μg/m3 (9) 100.0
 
Jan. 14, 2021, 7 p.m. 6.8 ppb (7) 1.5 ppb (2) 5.0 ppb (5) 5.0 ppb (5) 3.4 ppb (4) 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) 48.0 μg/m3 (45) 2.0 μg/m3 (9) 45.0
 
Jan. 14, 2021, 6 p.m. 6.4 ppb (7) 1.5 ppb (2) 4.3 ppb (5) 5.0 ppb (5) 2.8 ppb (3) 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 35.0
 
Jan. 14, 2021, 5 p.m. 6.9 ppb (7) 1.9 ppb (2) 5.0 ppb (5) 5.0 ppb (5) 3.1 ppb (3) 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2021, 4 p.m. 5.7 ppb (6) 0.8 ppb (1) 4.1 ppb (4) 5.0 ppb (5) 3.1 ppb (3) 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) 54.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
Jan. 14, 2021, 3 p.m. 10.5 ppb (10) 2.4 ppb (3) 6.4 ppb (7) 8.0 ppb (8) 5.2 ppb (5) 0.0 ppb (0) 30.0 ppb (28) 0.13 ppb (2) 70.0 μg/m3 (59) 6.0 μg/m3 (25) 59.0
 
Jan. 14, 2021, 2 p.m. 68.0 ppb (66) 32.5 ppb (31) 55.0 ppb (53) 36.0 ppb (34) 30.5 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 0.34 ppb (4) 45.0 μg/m3 (42) 5.0 μg/m3 (21) 66.0
 
Jan. 14, 2021, 1 p.m. 40.2 ppb (38) 11.4 ppb (11) 30.2 ppb (29) 29.0 ppb (28) 21.3 ppb (21) 1.0 ppb (2) 8.0 ppb (8) 0.23 ppb (3) 30.0 μg/m3 (28) 6.0 μg/m3 (25) 38.0
 
Jan. 14, 2021, noon 59.5 ppb (57) 26.7 ppb (26) 51.0 ppb (49) 33.0 ppb (32) 29.9 ppb (29) 1.0 ppb (2) 0.0 ppb (0) 0.37 ppb (5) 31.0 μg/m3 (29) 5.0 μg/m3 (21) 57.0
 
Jan. 14, 2021, 11 a.m. 57.7 ppb (55) 23.9 ppb (23) 49.3 ppb (47) 34.0 ppb (33) 29.0 ppb (28) 1.0 ppb (2) 0.0 ppb (0) 0.35 ppb (4) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 55.0
 
Jan. 14, 2021, 10 a.m. 70.4 ppb (69) 35.8 ppb (34) 66.8 ppb (65) 35.0 ppb (34) 32.5 ppb (31) 1.0 ppb (2) 0.0 ppb (0) 0.44 ppb (5) 40.0 μg/m3 (38) 8.0 μg/m3 (34) 69.0
 
Jan. 14, 2021, 9 a.m. 104.2 ppb (102) 68.8 ppb (67) 88.3 ppb (88) 35.0 ppb (34) 32.1 ppb (31) 1.0 ppb (2) 1.0 ppb (1) 0.72 ppb (8) 49.0 μg/m3 (46) 11.0 μg/m3 (46) 102.0
 
Jan. 14, 2021, 8 a.m. 121.0 ppb (105) 83.6 ppb (83) 110.2 ppb (103) 37.0 ppb (35) 37.8 ppb (36) 1.0 ppb (2) 1.0 ppb (1) 0.98 ppb (12) 64.0 μg/m3 (56) 13.0 μg/m3 (53) 105.0
 
Jan. 14, 2021, 7 a.m. 130.8 ppb (107) 90.0 ppb (90) 114.3 ppb (104) 41.0 ppb (39) 39.9 ppb (38) 1.0 ppb (2) 1.0 ppb (1) 1.02 ppb (12) 64.0 μg/m3 (56) 14.0 μg/m3 (55) 107.0
 
Jan. 14, 2021, 6 a.m. 132.4 ppb (107) 90.6 ppb (90) 117.3 ppb (105) 42.0 ppb (40) 41.6 ppb (40) 1.0 ppb (2) 1.0 ppb (1) 1.06 ppb (13) 70.0 μg/m3 (59) 20.0 μg/m3 (68) 107.0
 
Jan. 14, 2021, 5 a.m. 105.5 ppb (102) 64.2 ppb (62) 105.4 ppb (102) 41.0 ppb (39) 42.9 ppb (41) 1.0 ppb (2) 1.0 ppb (1) 1.14 ppb (13) 87.0 μg/m3 (67) 20.0 μg/m3 (68) 102.0
 
Jan. 14, 2021, 4 a.m. 95.5 ppb (96) 52.5 ppb (50) 86.8 ppb (86) 43.0 ppb (41) 43.5 ppb (42) 1.0 ppb (2) 1.0 ppb (1) 0.92 ppb (11) 75.0 μg/m3 (61) 19.0 μg/m3 (66) 96.0
 
Jan. 14, 2021, 3 a.m. 99.4 ppb (100) 54.2 ppb (52) 85.9 ppb (85) 45.0 ppb (43) 45.8 ppb (44) 1.0 ppb (2) 1.0 ppb (1) 1.09 ppb (13) 84.0 μg/m3 (66) 22.0 μg/m3 (72) 100.0
 
Jan. 14, 2021, 2 a.m. 84.9 ppb (84) 36.4 ppb (35) 67.3 ppb (66) 49.0 ppb (47) 45.1 ppb (43) 1.0 ppb (2) 1.0 ppb (1) 0.93 ppb (11) 84.0 μg/m3 (66) 16.0 μg/m3 (60) 84.0
 
Jan. 14, 2021, 1 a.m. 53.3 ppb (51) 8.6 ppb (9) 48.9 ppb (47) 45.0 ppb (43) 41.6 ppb (40) 1.0 ppb (2) 5.0 ppb (5) 0.48 ppb (6) 60.0 μg/m3 (54) 7.0 μg/m3 (30) 54.0
 
Jan. 14, 2021, midnight 34.4 ppb (33) 2.3 ppb (3) 31.1 ppb (30) 32.0 ppb (31) 29.0 ppb (28) 1.0 ppb (2) 19.0 ppb (18) 0.31 ppb (4) 30.0 μg/m3 (28) 2.0 μg/m3 (9) 33.0
 
Jan. 13, 2021, 11 p.m. 22.3 ppb (22) 2.4 ppb (3) 19.8 ppb (19) 20.0 ppb (19) 17.4 ppb (17) 0.0 ppb (0) 31.0 ppb (29) 0.23 ppb (3) 25.0 μg/m3 (24) 4.0 μg/m3 (17) 29.0
 
Jan. 13, 2021, 10 p.m. 17.8 ppb (17) 2.7 ppb (3) 15.7 ppb (15) 15.0 ppb (15) 12.9 ppb (13) 1.0 ppb (2) 36.0 ppb (34) 0.19 ppb (3) 40.0 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
Jan. 13, 2021, 9 p.m. 21.5 ppb (21) 3.9 ppb (4) 19.2 ppb (19) 18.0 ppb (17) 15.2 ppb (15) 1.0 ppb (2) 33.0 ppb (31) 0.21 ppb (3) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 31.0
 
Jan. 13, 2021, 8 p.m. 35.4 ppb (34) 10.6 ppb (10) 32.2 ppb (31) 25.0 ppb (24) 21.8 ppb (21) 1.0 ppb (2) 25.0 ppb (24) 0.27 ppb (4) 34.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 7 p.m. 29.5 ppb (28) 9.0 ppb (9) 26.5 ppb (25) 20.0 ppb (19) 17.6 ppb (17) 1.0 ppb (2) 26.0 ppb (25) 0.24 ppb (3) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 6 p.m. 53.7 ppb (51) 23.1 ppb (22) 48.8 ppb (47) 31.0 ppb (30) 27.1 ppb (26) 1.0 ppb (2) 16.0 ppb (15) 0.37 ppb (5) 59.0 μg/m3 (53) 17.0 μg/m3 (62) 62.0
 
Jan. 13, 2021, 5 p.m. 102.6 ppb (102) 62.2 ppb (60) 93.6 ppb (94) 40.0 ppb (38) 36.6 ppb (35) 1.0 ppb (2) 6.0 ppb (6) 0.66 ppb (8) 87.0 μg/m3 (67) 17.0 μg/m3 (62) 102.0
 
Jan. 13, 2021, 4 p.m. 119.8 ppb (105) 81.2 ppb (80) 108.4 ppb (103) 39.0 ppb (37) 35.7 ppb (34) 1.0 ppb (2) 3.0 ppb (3) 0.68 ppb (8) 84.0 μg/m3 (66) 17.0 μg/m3 (62) 105.0
 
Jan. 13, 2021, 3 p.m. 107.7 ppb (103) 71.4 ppb (70) 96.8 ppb (97) 36.0 ppb (34) 34.0 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.63 ppb (7) 57.0 μg/m3 (52) 5.0 μg/m3 (21) 103.0
 
Jan. 13, 2021, 2 p.m. 103.4 ppb (102) 67.5 ppb (66) 91.0 ppb (91) 36.0 ppb (34) 33.4 ppb (32) 1.0 ppb (2) 1.0 ppb (1) 0.55 ppb (7) 39.0 μg/m3 (37) 5.0 μg/m3 (21) 102.0
 
Jan. 13, 2021, 1 p.m. 87.8 ppb (88) 50.6 ppb (48) 77.8 ppb (77) 37.0 ppb (35) 32.2 ppb (31) 1.0 ppb (2) 0.0 ppb (0) 0.45 ppb (6) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 88.0
 
Jan. 13, 2021, noon 56.8 ppb (54) 21.2 ppb (20) 45.3 ppb (43) 36.0 ppb (34) 31.7 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.31 ppb (4) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 54.0
 
Jan. 13, 2021, 11 a.m. 77.4 ppb (76) 41.1 ppb (39) 67.7 ppb (66) 36.0 ppb (34) 31.5 ppb (30) 1.0 ppb (2) 0.0 ppb (0) 0.35 ppb (4) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 76.0
 
Jan. 13, 2021, 10 a.m. 71.8 ppb (70) 37.6 ppb (36) 67.9 ppb (66) 34.0 ppb (33) 31.9 ppb (31) 1.0 ppb (2) 1.0 ppb (1) 0.41 ppb (5) 38.0 μg/m3 (36) 9.0 μg/m3 (38) 70.0
 
Jan. 13, 2021, 9 a.m. 105.4 ppb (102) 68.1 ppb (67) 92.7 ppb (93) 37.0 ppb (35) 32.9 ppb (32) 1.0 ppb (2) 1.0 ppb (1) 0.74 ppb (8) 37.0 μg/m3 (35) 12.0 μg/m3 (50) 102.0
 
Jan. 13, 2021, 8 a.m. 87.3 ppb (87) 51.9 ppb (49) 78.4 ppb (77) 35.0 ppb (34) 34.6 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.76 ppb (10) 41.0 μg/m3 (38) 12.0 μg/m3 (50) 87.0
 
Jan. 13, 2021, 7 a.m. 91.1 ppb (91) 55.1 ppb (53) 80.7 ppb (80) 36.0 ppb (34) 35.9 ppb (34) 1.0 ppb (2) 1.0 ppb (1) 0.95 ppb (11) 44.0 μg/m3 (41) 12.0 μg/m3 (50) 91.0
 
Jan. 13, 2021, 6 a.m. 96.1 ppb (96) 58.9 ppb (57) 85.6 ppb (85) 37.0 ppb (35) 37.4 ppb (36) 1.0 ppb (2) 1.0 ppb (1) 1.0 ppb (12) 62.0 μg/m3 (55) 17.0 μg/m3 (62) 96.0
 
Jan. 13, 2021, 5 a.m. 86.1 ppb (86) 46.7 ppb (45) 70.1 ppb (69) 39.0 ppb (37) 38.9 ppb (37) 1.0 ppb (2) 2.0 ppb (2) 0.99 ppb (12) 59.0 μg/m3 (53) 11.0 μg/m3 (46) 86.0
 
Jan. 13, 2021, 4 a.m. 83.2 ppb (83) 41.5 ppb (40) 71.0 ppb (70) 42.0 ppb (40) 40.7 ppb (39) 1.0 ppb (2) 1.0 ppb (1) 0.84 ppb (10) 51.0 μg/m3 (48) 10.0 μg/m3 (42) 83.0
 
Jan. 13, 2021, 3 a.m. 73.4 ppb (72) 29.6 ppb (28) 60.3 ppb (58) 44.0 ppb (42) 41.9 ppb (40) 1.0 ppb (2) 1.0 ppb (1) 0.8 ppb (10) 47.0 μg/m3 (44) 10.0 μg/m3 (42) 72.0
 
Jan. 13, 2021, 2 a.m. 46.1 ppb (44) 6.0 ppb (6) 37.0 ppb (35) 40.0 ppb (38) 34.2 ppb (33) 1.0 ppb (2) 6.0 ppb (6) 0.5 ppb (6) 47.0 μg/m3 (44) 7.0 μg/m3 (30) 44.0
 
Jan. 13, 2021, 1 a.m. 46.8 ppb (45) 5.1 ppb (5) 37.7 ppb (36) 42.0 ppb (40) 34.9 ppb (33) 1.0 ppb (2) 9.0 ppb (9) 0.52 ppb (6) 41.0 μg/m3 (38) 4.0 μg/m3 (17) 45.0
 
Jan. 13, 2021, midnight 20.4 ppb (20) 0.7 ppb (1) 18.3 ppb (18) 20.0 ppb (19) 17.6 ppb (17) 0.0 ppb (0) 31.0 ppb (29) 0.25 ppb (3) 32.0 μg/m3 (30) 3.0 μg/m3 (13) 30.0
 
Jan. 12, 2021, 11 p.m. 15.3 ppb (15) 1.1 ppb (2) 13.3 ppb (13) 14.0 ppb (14) 12.1 ppb (12) 0.0 ppb (0) 35.0 ppb (33) 0.18 ppb (3) 29.0 μg/m3 (27) 3.0 μg/m3 (13) 33.0
 
Jan. 12, 2021, 10 p.m. 11.5 ppb (11) 1.3 ppb (2) 9.6 ppb (10) 10.0 ppb (10) 8.1 ppb (8) 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 37.0
 
Jan. 12, 2021, 9 p.m. 9.7 ppb (10) 1.6 ppb (2) 7.9 ppb (8) 8.0 ppb (8) 6.1 ppb (6) 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 38.0
 
Jan. 12, 2021, 8 p.m. 10.7 ppb (11) 2.2 ppb (3) 8.9 ppb (9) 8.0 ppb (8) 6.5 ppb (7) 0.0 ppb (0) 40.0 ppb (38) 0.15 ppb (2) 9.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 12, 2021, 7 p.m. 12.5 ppb (12) 3.0 ppb (3) 10.6 ppb (10) 10.0 ppb (10) 7.5 ppb (8) 0.0 ppb (0) 36.0 ppb (34) 0.17 ppb (3) 29.0 μg/m3 (27) 19.0 μg/m3 (66) 66.0
 
Jan. 12, 2021, 6 p.m. 28.0 ppb (27) 9.5 ppb (9) 25.1 ppb (24) 19.0 ppb (18) 15.7 ppb (15) 1.0 ppb (2) 25.0 ppb (24) 0.22 ppb (3) 25.0 μg/m3 (24) 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2021, 5 p.m. 79.0 ppb (78) 45.7 ppb (44) 71.3 ppb (70) 33.0 ppb (32) 29.9 ppb (29) 1.0 ppb (2) 10.0 ppb (10) 0.49 ppb (6) 62.0 μg/m3 (55) 20.0 μg/m3 (68) 78.0
 
Jan. 12, 2021, 4 p.m. 135.4 ppb (108) 96.9 ppb (97) 121.7 ppb (105) 39.0 ppb (37) 35.6 ppb (34) 1.0 ppb (2) 3.0 ppb (3) 0.77 ppb (10) 71.0 μg/m3 (59) 10.0 μg/m3 (42) 108.0
 
Jan. 12, 2021, 3 p.m. 142.1 ppb (109) 106.4 ppb (103) 128.0 ppb (107) 36.0 ppb (34) 34.2 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.87 ppb (11) 59.0 μg/m3 (53) N/A 109.0
 
Jan. 12, 2021, 2 p.m. 102.8 ppb (102) 69.9 ppb (68) 86.5 ppb (86) 33.0 ppb (32) 31.8 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.67 ppb (8) 42.0 μg/m3 (39) N/A 102.0
 
Jan. 12, 2021, 1 p.m. 78.9 ppb (78) 46.6 ppb (44) 72.3 ppb (71) 32.0 ppb (31) 29.0 ppb (28) 1.0 ppb (2) 1.0 ppb (1) 0.47 ppb (6) 26.0 μg/m3 (25) N/A 78.0
 
Jan. 12, 2021, noon 78.9 ppb (78) 45.7 ppb (44) 68.0 ppb (66) 33.0 ppb (32) 30.9 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.43 ppb (5) 24.0 μg/m3 (23) N/A 78.0
 
Jan. 12, 2021, 11 a.m. 68.5 ppb (67) 35.1 ppb (34) 63.2 ppb (61) 33.0 ppb (32) 29.4 ppb (28) 1.0 ppb (2) 1.0 ppb (1) 0.35 ppb (4) 22.0 μg/m3 (21) N/A 67.0
 
Jan. 12, 2021, 10 a.m. 60.1 ppb (58) 26.9 ppb (26) 55.0 ppb (53) 33.0 ppb (32) 31.7 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.34 ppb (4) 23.0 μg/m3 (22) N/A 58.0
 
Jan. 12, 2021, 9 a.m. 65.7 ppb (64) 31.1 ppb (30) 54.4 ppb (52) 35.0 ppb (34) 30.5 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 0.49 ppb (6) 25.0 μg/m3 (24) N/A 64.0
 
Jan. 12, 2021, 8 a.m. 55.8 ppb (53) 20.3 ppb (20) 46.5 ppb (44) 35.0 ppb (34) 32.6 ppb (31) 1.0 ppb (2) 1.0 ppb (1) 0.46 ppb (6) 23.0 μg/m3 (22) N/A 53.0
 
Jan. 12, 2021, 7 a.m. 55.9 ppb (54) 19.5 ppb (19) 50.2 ppb (48) 36.0 ppb (34) 33.6 ppb (32) 1.0 ppb (2) 1.0 ppb (1) 0.52 ppb (6) 28.0 μg/m3 (26) N/A 54.0
 
Jan. 12, 2021, 6 a.m. 55.7 ppb (53) 17.8 ppb (17) 46.2 ppb (44) 38.0 ppb (36) 34.8 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.62 ppb (7) 23.0 μg/m3 (22) N/A 53.0
 
Jan. 12, 2021, 5 a.m. 42.4 ppb (40) 7.3 ppb (7) 38.0 ppb (36) 35.0 ppb (34) 32.0 ppb (31) 1.0 ppb (2) 3.0 ppb (3) 0.47 ppb (6) 31.0 μg/m3 (29) N/A 40.0
 
Jan. 12, 2021, 4 a.m. 30.4 ppb (29) 1.8 ppb (2) 25.1 ppb (24) 29.0 ppb (28) 24.3 ppb (23) 0.0 ppb (0) 11.0 ppb (11) 0.32 ppb (4) 22.0 μg/m3 (21) N/A 29.0
 
Jan. 12, 2021, 3 a.m. 16.4 ppb (16) 0.3 ppb (1) 13.3 ppb (13) 16.0 ppb (16) 13.0 ppb (13) 0.0 ppb (0) 25.0 ppb (24) 0.16 ppb (3) 14.0 μg/m3 (13) N/A 24.0
 
Jan. 12, 2021, 2 a.m. 8.6 ppb (9) 0.1 ppb (1) 6.4 ppb (7) 8.0 ppb (8) 6.1 ppb (6) 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 15.0 μg/m3 (14) N/A 31.0
 
Jan. 12, 2021, 1 a.m. 8.4 ppb (8) 0.2 ppb (1) 6.4 ppb (7) 8.0 ppb (8) 6.0 ppb (6) 0.0 ppb (0) 34.0 ppb (32) 0.13 ppb (2) 16.0 μg/m3 (15) N/A 32.0
 
Jan. 12, 2021, midnight 7.9 ppb (8) 0.5 ppb (1) 5.8 ppb (6) 7.0 ppb (7) 5.1 ppb (5) 0.0 ppb (0) 35.0 ppb (33) 0.13 ppb (2) 20.0 μg/m3 (19) N/A 33.0
 
Jan. 11, 2021, 11 p.m. 8.0 ppb (8) 1.0 ppb (1) 6.1 ppb (6) 7.0 ppb (7) 4.9 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.12 ppb (2) 32.0 μg/m3 (30) N/A 34.0
 
Jan. 11, 2021, 10 p.m. 8.2 ppb (8) 1.5 ppb (2) 6.3 ppb (6) 7.0 ppb (7) 4.6 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.12 ppb (2) 28.0 μg/m3 (26) N/A 35.0
 
Jan. 11, 2021, 9 p.m. 7.1 ppb (7) 1.5 ppb (2) 5.4 ppb (6) 6.0 ppb (6) 3.7 ppb (4) 0.0 ppb (0) 38.0 ppb (36) 0.12 ppb (2) 49.0 μg/m3 (46) N/A 46.0
 
Jan. 11, 2021, 8 p.m. 6.5 ppb (7) 1.4 ppb (2) 4.8 ppb (5) 5.0 ppb (5) 3.3 ppb (4) 0.0 ppb (0) 38.0 ppb (36) 0.14 ppb (2) 55.0 μg/m3 (51) N/A 51.0
 
Jan. 11, 2021, 7 p.m. 9.3 ppb (9) 2.0 ppb (2) 7.3 ppb (7) 7.0 ppb (7) 5.1 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.14 ppb (2) 9.0 μg/m3 (9) N/A 34.0
 
Jan. 11, 2021, 6 p.m. 10.7 ppb (11) 2.4 ppb (3) 8.7 ppb (9) 8.0 ppb (8) 6.1 ppb (6) 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 27.0 μg/m3 (25) N/A 31.0
 
Jan. 11, 2021, 5 p.m. 12.5 ppb (12) 2.8 ppb (3) 10.3 ppb (10) 10.0 ppb (10) 7.4 ppb (7) 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 20.0 μg/m3 (19) N/A 28.0
 
Jan. 11, 2021, 4 p.m. 40.3 ppb (39) 14.8 ppb (14) 34.2 ppb (33) 25.0 ppb (24) 21.5 ppb (21) 1.0 ppb (2) 16.0 ppb (15) 0.3 ppb (4) 33.0 μg/m3 (31) N/A 39.0
 
Jan. 11, 2021, 3 p.m. 118.3 ppb (105) 80.8 ppb (80) 97.8 ppb (98) 38.0 ppb (36) 34.3 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.68 ppb (8) 44.0 μg/m3 (41) N/A 105.0
 
Jan. 11, 2021, 2 p.m. 75.5 ppb (74) 39.2 ppb (37) 60.9 ppb (59) 36.0 ppb (34) 31.0 ppb (30) 1.0 ppb (2) 3.0 ppb (3) 0.5 ppb (6) 17.0 μg/m3 (16) N/A 74.0
 
Jan. 11, 2021, 1 p.m. 59.7 ppb (58) 25.0 ppb (24) 52.2 ppb (50) 35.0 ppb (34) 31.1 ppb (30) 1.0 ppb (2) 1.0 ppb (1) 0.41 ppb (5) 19.0 μg/m3 (18) N/A 58.0
 
Jan. 11, 2021, noon 45.5 ppb (43) 13.5 ppb (13) 35.3 ppb (34) 32.0 ppb (31) 27.9 ppb (27) 1.0 ppb (2) 1.0 ppb (1) 0.3 ppb (4) 17.0 μg/m3 (16) N/A 43.0
 
Jan. 11, 2021, 11 a.m. 30.8 ppb (30) 4.5 ppb (5) 30.3 ppb (29) 26.0 ppb (25) 24.9 ppb (24) 1.0 ppb (2) 7.0 ppb (7) 0.28 ppb (4) 18.0 μg/m3 (17) N/A 30.0
 
Jan. 11, 2021, 10 a.m. 21.9 ppb (21) 1.0 ppb (1) 20.8 ppb (20) 21.0 ppb (20) 20.2 ppb (20) 1.0 ppb (2) 15.0 ppb (14) 0.2 ppb (3) 22.0 μg/m3 (21) N/A 21.0
 
Jan. 11, 2021, 9 a.m. 20.8 ppb (20) 0.5 ppb (1) 18.2 ppb (18) 20.0 ppb (19) 17.7 ppb (17) 0.0 ppb (0) 16.0 ppb (15) 0.21 ppb (3) 17.0 μg/m3 (16) N/A 20.0
 
Jan. 11, 2021, 8 a.m. 13.1 ppb (13) 0.3 ppb (1) 8.5 ppb (9) 13.0 ppb (13) 8.3 ppb (8) 0.0 ppb (0) 24.0 ppb (23) 0.16 ppb (3) 14.0 μg/m3 (13) N/A 23.0
 
Jan. 11, 2021, 7 a.m. 38.8 ppb (37) 11.7 ppb (12) 27.4 ppb (26) 27.0 ppb (26) 20.6 ppb (20) 1.0 ppb (2) 7.0 ppb (7) 0.42 ppb (5) 22.0 μg/m3 (21) N/A 37.0
 
Jan. 11, 2021, 6 a.m. 54.0 ppb (51) 22.5 ppb (22) 47.2 ppb (45) 32.0 ppb (31) 30.0 ppb (29) 1.0 ppb (2) 1.0 ppb (1) 0.73 ppb (8) 45.0 μg/m3 (42) N/A 51.0
 
Jan. 11, 2021, 5 a.m. 61.5 ppb (59) 27.1 ppb (26) 54.6 ppb (52) 34.0 ppb (33) 33.2 ppb (32) 1.0 ppb (2) 1.0 ppb (1) 1.13 ppb (13) N/A N/A 59.0
 
Jan. 11, 2021, 4 a.m. 59.2 ppb (57) 24.0 ppb (23) 48.9 ppb (47) 35.0 ppb (34) 34.3 ppb (33) 1.0 ppb (2) 1.0 ppb (1) 0.9 ppb (11) 55.0 μg/m3 (51) N/A 57.0