ID: 207

AQSQID: 060771002

Site Name: Stockton - Hazelton Street

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

Updated: Jan. 16, 2021, 5:31 p.m.

Location: Stockton (Fair Oaks), CA

Reporting: True, Located: True

Current AQI: 81.0

Stockton (Fair Oaks) CA, US: 37.95075, -121.26897

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 9, 2021, 4 p.m. 34.3 ppb (33) 20.2 ppb (20) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) 0.41 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 9, 2021, 3 p.m. 24.3 ppb (23) 9.2 ppb (9) N/A 15.0 ppb (15) N/A N/A 2.0 ppb (2) 0.33 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 9, 2021, 2 p.m. 17.0 ppb (17) 3.8 ppb (4) N/A 13.0 ppb (13) N/A N/A 6.0 ppb (6) 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 9, 2021, 1 p.m. 14.8 ppb (14) 2.6 ppb (3) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.21 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 9, 2021, noon 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. 9, 2021, 11 a.m. 11.3 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.18 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 9, 2021, 10 a.m. 11.3 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.18 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 9, 2021, 9 a.m. 8.9 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.17 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 9, 2021, 8 a.m. 9.1 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 12.0 ppb (12) 0.19 ppb (3) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 9, 2021, 7 a.m. 10.2 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.21 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 9, 2021, 6 a.m. 15.0 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.28 ppb (4) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 9, 2021, 5 a.m. 17.4 ppb (17) 3.9 ppb (4) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.31 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 9, 2021, 4 a.m. 18.2 ppb (18) 3.9 ppb (4) N/A 14.0 ppb (14) N/A N/A 5.0 ppb (5) 0.32 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 9, 2021, 3 a.m. 17.2 ppb (17) 3.3 ppb (4) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) 0.29 ppb (4) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 9, 2021, 2 a.m. 31.9 ppb (31) 12.8 ppb (13) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (4) 0.46 ppb (6) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 9, 2021, 1 a.m. 34.3 ppb (33) 12.2 ppb (12) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) 0.44 ppb (5) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 9, 2021, midnight 20.4 ppb (20) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) 0.31 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 8, 2021, 11 p.m. 23.8 ppb (23) 9.2 ppb (9) N/A 15.0 ppb (15) N/A N/A 12.0 ppb (12) 0.26 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 8, 2021, 10 p.m. 28.4 ppb (27) 13.9 ppb (14) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.25 ppb (3) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 8, 2021, 9 p.m. 23.7 ppb (23) 11.8 ppb (12) N/A 12.0 ppb (12) N/A N/A 7.0 ppb (7) 0.23 ppb (3) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 8, 2021, 8 p.m. 16.1 ppb (16) 7.2 ppb (7) N/A 9.0 ppb (9) N/A N/A 8.0 ppb (8) 0.24 ppb (3) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 8, 2021, 7 p.m. 21.6 ppb (21) 12.1 ppb (12) N/A 10.0 ppb (10) N/A N/A 7.0 ppb (7) 0.2 ppb (3) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 8, 2021, 6 p.m. 21.6 ppb (21) 11.0 ppb (11) N/A 11.0 ppb (11) N/A N/A 6.0 ppb (6) 0.24 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 8, 2021, 5 p.m. 27.8 ppb (27) 14.7 ppb (14) N/A 13.0 ppb (13) N/A N/A 4.0 ppb (4) 0.29 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 8, 2021, 4 p.m. 38.7 ppb (37) 22.2 ppb (21) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.32 ppb (4) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 8, 2021, 3 p.m. 26.0 ppb (25) 12.0 ppb (12) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.26 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 8, 2021, 2 p.m. 25.2 ppb (24) 12.1 ppb (12) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.24 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 8, 2021, 1 p.m. 16.2 ppb (16) 5.5 ppb (6) N/A 11.0 ppb (11) N/A N/A 2.0 ppb (2) 0.23 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 8, 2021, noon 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. 8, 2021, 11 a.m. 16.8 ppb (16) 4.8 ppb (5) N/A 12.0 ppb (12) N/A N/A 2.0 ppb (2) 0.36 ppb (5) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 8, 2021, 10 a.m. 22.6 ppb (22) 8.9 ppb (9) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) 0.4 ppb (5) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 8, 2021, 9 a.m. 21.3 ppb (21) 8.1 ppb (8) N/A 13.0 ppb (13) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 8, 2021, 8 a.m. 15.3 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.34 ppb (4) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 8, 2021, 7 a.m. 17.5 ppb (17) 5.8 ppb (6) N/A 12.0 ppb (12) N/A N/A 4.0 ppb (4) 0.24 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 8, 2021, 6 a.m. 19.2 ppb (19) 5.2 ppb (5) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) 0.24 ppb (3) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 8, 2021, 5 a.m. 22.0 ppb (21) 6.3 ppb (6) N/A 16.0 ppb (16) N/A N/A 3.0 ppb (3) 0.28 ppb (4) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 8, 2021, 4 a.m. 41.5 ppb (40) 20.9 ppb (20) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.43 ppb (5) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 8, 2021, 3 a.m. 80.0 ppb (79) 56.5 ppb (54) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 8, 2021, 2 a.m. 70.9 ppb (70) 49.0 ppb (47) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.86 ppb (11) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 8, 2021, 1 a.m. 32.9 ppb (32) 14.3 ppb (14) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 8, 2021, midnight 14.6 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A 10.0 ppb (10) 0.32 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 7, 2021, 11 p.m. 24.2 ppb (23) 11.9 ppb (12) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.26 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 7, 2021, 10 p.m. 22.2 ppb (21) 9.8 ppb (10) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.28 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 7, 2021, 9 p.m. 17.6 ppb (17) 7.5 ppb (8) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.23 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 7, 2021, 8 p.m. 17.3 ppb (17) 6.8 ppb (7) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.23 ppb (3) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 7, 2021, 7 p.m. 18.9 ppb (18) 7.6 ppb (8) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.22 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 7, 2021, 6 p.m. 14.4 ppb (14) 5.0 ppb (5) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.22 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 7, 2021, 5 p.m. 17.6 ppb (17) 7.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) 0.23 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 7, 2021, 4 p.m. 18.3 ppb (18) 7.5 ppb (8) N/A 11.0 ppb (11) N/A N/A 7.0 ppb (7) 0.24 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 7, 2021, 3 p.m. 17.7 ppb (17) 6.0 ppb (6) N/A 12.0 ppb (12) N/A N/A 5.0 ppb (5) 0.26 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 7, 2021, 2 p.m. 21.2 ppb (20) 8.0 ppb (8) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.29 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 7, 2021, 1 p.m. 18.5 ppb (18) 6.7 ppb (7) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) 0.3 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 7, 2021, noon 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. 7, 2021, 11 a.m. 16.8 ppb (16) 3.9 ppb (4) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.27 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 7, 2021, 10 a.m. 18.1 ppb (18) 4.4 ppb (5) N/A 14.0 ppb (14) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 7, 2021, 9 a.m. 21.5 ppb (21) 6.7 ppb (7) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 7, 2021, 8 a.m. 36.3 ppb (35) 20.6 ppb (20) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.49 ppb (6) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 7, 2021, 7 a.m. 54.2 ppb (52) 37.5 ppb (36) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.92 ppb (11) N/A 86.0 μg/m3 (167) 167.0
 
Jan. 7, 2021, 6 a.m. 46.8 ppb (45) 29.1 ppb (28) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 35.0 μg/m3 (100) 100.0
 
Jan. 7, 2021, 5 a.m. 30.5 ppb (29) 11.1 ppb (11) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.57 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 7, 2021, 4 a.m. 35.2 ppb (34) 13.1 ppb (13) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.53 ppb (6) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 7, 2021, 3 a.m. 45.1 ppb (43) 19.9 ppb (19) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.66 ppb (8) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 7, 2021, 2 a.m. 43.1 ppb (41) 15.6 ppb (15) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.58 ppb (7) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 7, 2021, 1 a.m. 38.3 ppb (37) 12.3 ppb (12) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.55 ppb (7) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 7, 2021, midnight 21.7 ppb (21) 5.8 ppb (6) N/A 16.0 ppb (16) N/A N/A 14.0 ppb (13) 0.37 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 6, 2021, 11 p.m. 17.7 ppb (17) 6.4 ppb (7) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.25 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 6, 2021, 10 p.m. 32.0 ppb (31) 13.6 ppb (13) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.35 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 6, 2021, 9 p.m. 41.0 ppb (39) 18.2 ppb (18) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) 0.47 ppb (6) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 6, 2021, 8 p.m. 53.9 ppb (51) 26.9 ppb (26) N/A 27.0 ppb (26) N/A N/A 8.0 ppb (8) 0.46 ppb (6) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 6, 2021, 7 p.m. 52.6 ppb (50) 33.0 ppb (32) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.54 ppb (6) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 6, 2021, 6 p.m. 35.8 ppb (34) 22.1 ppb (21) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.47 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 6, 2021, 5 p.m. 32.7 ppb (31) 21.7 ppb (21) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) 0.47 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 6, 2021, 4 p.m. 48.3 ppb (46) 33.4 ppb (32) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 0.64 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 6, 2021, 3 p.m. 53.0 ppb (50) 37.6 ppb (36) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.81 ppb (10) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 6, 2021, 2 p.m. 78.2 ppb (77) 62.2 ppb (60) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.62 ppb (7) N/A 18.0 μg/m3 (64) 77.0
 
Jan. 6, 2021, 1 p.m. 59.9 ppb (58) 42.5 ppb (41) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.65 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 6, 2021, noon 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. 6, 2021, 11 a.m. 41.9 ppb (40) 26.6 ppb (26) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 6, 2021, 10 a.m. 58.3 ppb (56) 40.5 ppb (39) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.55 ppb (7) N/A 14.0 μg/m3 (55) 56.0
 
Jan. 6, 2021, 9 a.m. 52.2 ppb (50) 36.2 ppb (35) N/A 16.0 ppb (16) N/A N/A 1.0 ppb (1) 0.68 ppb (8) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 6, 2021, 8 a.m. 48.7 ppb (46) 31.4 ppb (30) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.8 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 6, 2021, 7 a.m. 42.6 ppb (41) 22.8 ppb (22) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.93 ppb (11) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 6, 2021, 6 a.m. 32.1 ppb (31) 11.6 ppb (11) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.66 ppb (8) N/A 40.0 μg/m3 (113) 113.0
 
Jan. 6, 2021, 5 a.m. 26.7 ppb (26) 6.8 ppb (7) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.68 ppb (8) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 6, 2021, 4 a.m. 41.7 ppb (40) 20.0 ppb (19) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.93 ppb (11) N/A 57.0 μg/m3 (152) 152.0
 
Jan. 6, 2021, 3 a.m. 56.1 ppb (54) 34.5 ppb (33) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 1.11 ppb (13) N/A 46.0 μg/m3 (127) 127.0
 
Jan. 6, 2021, 2 a.m. 61.5 ppb (59) 37.0 ppb (35) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.16 ppb (14) N/A 57.0 μg/m3 (152) 152.0
 
Jan. 6, 2021, 1 a.m. 29.3 ppb (28) 8.4 ppb (8) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.7 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 6, 2021, midnight 18.0 ppb (17) 4.2 ppb (4) N/A 14.0 ppb (14) N/A N/A 14.0 ppb (13) 0.49 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 5, 2021, 11 p.m. 15.2 ppb (15) 4.9 ppb (5) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.44 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 5, 2021, 10 p.m. 22.7 ppb (22) 8.6 ppb (9) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.46 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 5, 2021, 9 p.m. 21.6 ppb (21) 8.9 ppb (9) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.47 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 5, 2021, 8 p.m. 30.1 ppb (29) 13.5 ppb (13) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.45 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 5, 2021, 7 p.m. 29.9 ppb (29) 15.4 ppb (15) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.48 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 5, 2021, 6 p.m. 21.1 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (12) N/A N/A 8.0 ppb (8) 0.45 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 5, 2021, 5 p.m. 24.3 ppb (23) 11.8 ppb (12) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.41 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 5, 2021, 4 p.m. 26.8 ppb (26) 10.2 ppb (10) N/A 17.0 ppb (17) N/A N/A 8.0 ppb (8) 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 5, 2021, 3 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.57 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 5, 2021, 2 p.m. 113.1 ppb (104) 94.0 ppb (94) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 1.43 ppb (16) N/A 27.0 μg/m3 (83) 104.0
 
Jan. 5, 2021, 1 p.m. 95.3 ppb (95) 77.9 ppb (77) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 1.06 ppb (13) N/A 16.0 μg/m3 (60) 95.0
 
Jan. 5, 2021, noon 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. 5, 2021, 11 a.m. 66.6 ppb (65) 49.7 ppb (47) N/A 17.0 ppb (17) N/A N/A 1.0 ppb (1) 0.96 ppb (12) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 5, 2021, 10 a.m. 77.7 ppb (77) 62.9 ppb (61) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) 1.3 ppb (15) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 5, 2021, 9 a.m. 54.1 ppb (52) 37.5 ppb (36) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.79 ppb (10) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 5, 2021, 8 a.m. 67.0 ppb (65) 47.0 ppb (45) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A 15.0 μg/m3 (58) 65.0
 
Jan. 5, 2021, 7 a.m. 59.3 ppb (57) 36.6 ppb (35) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.58 ppb (7) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 5, 2021, 6 a.m. 67.4 ppb (66) 42.2 ppb (40) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.7 ppb (8) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 5, 2021, 5 a.m. 54.0 ppb (51) 25.3 ppb (24) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) 0.79 ppb (10) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 5, 2021, 4 a.m. 60.9 ppb (59) 29.1 ppb (28) N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 0.66 ppb (8) N/A 14.0 μg/m3 (55) 59.0
 
Jan. 5, 2021, 3 a.m. 54.2 ppb (52) 20.6 ppb (20) N/A 34.0 ppb (33) N/A N/A 3.0 ppb (3) 0.48 ppb (6) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 5, 2021, 2 a.m. 29.5 ppb (28) 6.1 ppb (6) N/A 23.0 ppb (22) N/A N/A 14.0 ppb (13) 0.49 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 5, 2021, 1 a.m. 20.5 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A N/A 21.0 ppb (20) 0.52 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 5, 2021, midnight 13.1 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.37 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 4, 2021, 11 p.m. 14.3 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.34 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 4, 2021, 10 p.m. 15.4 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.34 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 4, 2021, 9 p.m. 19.1 ppb (19) 6.3 ppb (6) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) 0.34 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 4, 2021, 8 p.m. 15.6 ppb (15) 4.8 ppb (5) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.32 ppb (4) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 4, 2021, 7 p.m. 11.2 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 15.0 ppb (14) 0.31 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 4, 2021, 6 p.m. 11.8 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.31 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 4, 2021, 5 p.m. 12.1 ppb (12) 3.8 ppb (4) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) 0.29 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 4, 2021, 4 p.m. 14.2 ppb (14) 4.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 4, 2021, 3 p.m. 12.4 ppb (12) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.31 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 4, 2021, 2 p.m. 19.8 ppb (19) 6.6 ppb (7) N/A 13.0 ppb (13) N/A N/A 7.0 ppb (7) 0.33 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 4, 2021, 1 p.m. 18.4 ppb (18) 4.0 ppb (4) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.33 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 4, 2021, noon 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. 4, 2021, 11 a.m. 24.6 ppb (24) 7.5 ppb (8) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) 0.32 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 4, 2021, 10 a.m. 18.4 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.31 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 4, 2021, 9 a.m. 36.0 ppb (34) 19.7 ppb (19) N/A 16.0 ppb (16) N/A N/A 3.0 ppb (3) 0.33 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 4, 2021, 8 a.m. 45.8 ppb (44) 25.8 ppb (25) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.56 ppb (7) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 4, 2021, 7 a.m. 28.5 ppb (27) 9.3 ppb (9) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.64 ppb (7) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 4, 2021, 6 a.m. 31.3 ppb (30) 10.0 ppb (10) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.56 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 4, 2021, 5 a.m. 17.1 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 4, 2021, 4 a.m. 38.5 ppb (37) 16.4 ppb (16) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.52 ppb (6) N/A 25.0 μg/m3 (79) 79.0
 
Jan. 4, 2021, 3 a.m. 72.4 ppb (71) 44.6 ppb (43) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.82 ppb (10) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 4, 2021, 2 a.m. 47.3 ppb (45) 19.5 ppb (19) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.89 ppb (11) N/A 57.0 μg/m3 (152) 152.0
 
Jan. 4, 2021, 1 a.m. 38.9 ppb (37) 11.0 ppb (11) N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) 0.77 ppb (10) N/A 37.0 μg/m3 (105) 105.0
 
Jan. 4, 2021, midnight 28.1 ppb (27) 5.4 ppb (6) N/A 23.0 ppb (22) N/A N/A 11.0 ppb (11) 0.55 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 3, 2021, 11 p.m. 13.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.36 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 3, 2021, 10 p.m. 12.5 ppb (12) 2.2 ppb (3) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.37 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 3, 2021, 9 p.m. 13.4 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 3, 2021, 8 p.m. 16.3 ppb (16) 5.0 ppb (5) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.42 ppb (5) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 3, 2021, 7 p.m. 27.5 ppb (26) 11.6 ppb (11) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) 0.48 ppb (6) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 3, 2021, 6 p.m. 36.2 ppb (35) 21.7 ppb (21) N/A 15.0 ppb (15) N/A N/A 4.0 ppb (4) 0.73 ppb (8) N/A 28.0 μg/m3 (85) 85.0
 
Jan. 3, 2021, 5 p.m. 36.2 ppb (35) 23.3 ppb (22) N/A 13.0 ppb (13) N/A N/A 2.0 ppb (2) 0.79 ppb (10) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 3, 2021, 4 p.m. 41.1 ppb (39) 29.2 ppb (28) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) 0.84 ppb (10) N/A 30.0 μg/m3 (89) 89.0
 
Jan. 3, 2021, 3 p.m. 60.8 ppb (59) 51.5 ppb (49) N/A 9.0 ppb (9) N/A N/A 1.0 ppb (1) 1.03 ppb (12) N/A 45.0 μg/m3 (125) 125.0
 
Jan. 3, 2021, 2 p.m. 63.4 ppb (62) 55.0 ppb (53) N/A 8.0 ppb (8) N/A N/A 1.0 ppb (1) 0.99 ppb (12) N/A 51.0 μg/m3 (140) 140.0
 
Jan. 3, 2021, 1 p.m. 50.5 ppb (48) 41.5 ppb (40) N/A 9.0 ppb (9) N/A N/A 1.0 ppb (1) 0.81 ppb (10) N/A 44.0 μg/m3 (122) 122.0
 
Jan. 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Jan. 3, 2021, 11 a.m. 32.1 ppb (31) 20.8 ppb (20) N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A 39.0 μg/m3 (110) 110.0
 
Jan. 3, 2021, 10 a.m. 33.5 ppb (32) 20.7 ppb (20) N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 3, 2021, 9 a.m. 48.8 ppb (47) 33.9 ppb (32) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.62 ppb (7) N/A 38.0 μg/m3 (108) 108.0
 
Jan. 3, 2021, 8 a.m. 42.9 ppb (41) 25.1 ppb (24) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.79 ppb (10) N/A 56.0 μg/m3 (152) 152.0
 
Jan. 3, 2021, 7 a.m. 38.3 ppb (37) 19.1 ppb (19) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 0.95 ppb (11) N/A 54.0 μg/m3 (147) 147.0
 
Jan. 3, 2021, 6 a.m. 33.6 ppb (32) 11.7 ppb (12) N/A 22.0 ppb (21) N/A N/A 1.0 ppb (1) 0.72 ppb (8) N/A 35.0 μg/m3 (100) 100.0
 
Jan. 3, 2021, 5 a.m. 26.2 ppb (25) 5.4 ppb (6) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.56 ppb (7) N/A 36.0 μg/m3 (103) 103.0
 
Jan. 3, 2021, 4 a.m. 22.1 ppb (21) 3.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) 0.55 ppb (7) N/A 32.0 μg/m3 (93) 93.0
 
Jan. 3, 2021, 3 a.m. 18.7 ppb (18) 2.3 ppb (3) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) 0.47 ppb (6) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 3, 2021, 2 a.m. 21.8 ppb (21) 3.4 ppb (4) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (8) 0.5 ppb (6) N/A 34.0 μg/m3 (98) 98.0
 
Jan. 3, 2021, 1 a.m. 19.0 ppb (18) 1.7 ppb (2) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.45 ppb (6) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 3, 2021, midnight 15.4 ppb (15) 2.6 ppb (3) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.4 ppb (5) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 2, 2021, 11 p.m. 11.6 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 2, 2021, 10 p.m. 10.0 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 22.0 ppb (21) 0.28 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 2, 2021, 9 p.m. 8.0 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) 0.3 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 2, 2021, 8 p.m. 12.8 ppb (13) 3.1 ppb (3) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.34 ppb (4) N/A 26.0 μg/m3 (81) 81.0
 
Jan. 2, 2021, 7 p.m. 13.2 ppb (13) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
Jan. 2, 2021, 6 p.m. 17.4 ppb (17) 5.6 ppb (6) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.3 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 2, 2021, 5 p.m. 14.1 ppb (14) 3.4 ppb (4) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.31 ppb (4) N/A 23.0 μg/m3 (74) 74.0