AQSQID: 060250005

Site Name: Calexico - Ethel Street

Location: Calexico, CA

Reporting: True, Located: True

Current AQI: 27.0

Calexico CA, US: 32.676102, -115.483299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2019, 6 p.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) 20.0 μg/m3 (18) 1.0 μg/m3 (4) 25.0
 
Jan. 18, 2019, 4 p.m. 8.2 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 20.0 μg/m3 (18) 1.0 μg/m3 (4) 22.0
 
Jan. 18, 2019, 3 p.m. 15.3 ppb (14) 1.6 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 32.0 μg/m3 (29) 2.0 μg/m3 (8) 29.0
 
Jan. 18, 2019, 2 p.m. 16.0 ppb (15) 2.6 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Jan. 18, 2019, 1 p.m. 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) 8.0 μg/m3 (7) -1.0 μg/m3 (0) 19.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 5.0
 
Jan. 18, 2019, 11 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.08 ppb (1) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 22.0
 
Jan. 18, 2019, 10 a.m. 2.0 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.07 ppb (1) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 22.0
 
Jan. 18, 2019, 9 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.08 ppb (1) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 21.0
 
Jan. 18, 2019, 8 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.08 ppb (1) -1.0 μg/m3 (0) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2019, 7 a.m. 19.9 ppb (18) 8.0 ppb (7) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (12) 0.33 ppb (4) 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 6 a.m. 52.1 ppb (48) 26.1 ppb (24) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.82 ppb (9) 67.0 μg/m3 (56) 32.0 μg/m3 (93) 93.0
 
Jan. 18, 2019, 5 a.m. 107.7 ppb (101) 79.5 ppb (77) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 2.0 ppb (2) 1.52 ppb (17) 117.0 μg/m3 (81) 44.0 μg/m3 (121) 121.0
 
Jan. 18, 2019, 4 a.m. 123.6 ppb (104) 96.7 ppb (95) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 2.0 ppb (2) 1.73 ppb (19) 142.0 μg/m3 (94) 42.0 μg/m3 (116) 116.0
 
Jan. 18, 2019, 3 a.m. 96.7 ppb (95) 69.6 ppb (67) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 1.53 ppb (17) 121.0 μg/m3 (83) 31.0 μg/m3 (90) 95.0
 
Jan. 18, 2019, 2 a.m. 76.3 ppb (74) 48.7 ppb (45) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 1.0 ppb (1) 1.24 ppb (14) 108.0 μg/m3 (76) 26.0 μg/m3 (80) 80.0
 
Jan. 18, 2019, 1 a.m. 57.0 ppb (53) 27.5 ppb (25) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 0.97 ppb (11) 90.0 μg/m3 (68) 25.0 μg/m3 (78) 78.0
 
Jan. 18, 2019, midnight 27.4 ppb (25) 5.1 ppb (5) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 11.0 ppb (8) 0.46 ppb (5) 63.0 μg/m3 (54) 21.0 μg/m3 (69) 69.0
 
Jan. 17, 2019, 11 p.m. 21.9 ppb (20) 6.9 ppb (6) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 19.0 ppb (15) 0.33 ppb (4) 50.0 μg/m3 (45) 17.0 μg/m3 (61) 61.0
 
Jan. 17, 2019, 10 p.m. 16.4 ppb (15) 4.3 ppb (4) N/A 12.0 ppb (11) N/A 2.0 ppb (3) 24.0 ppb (18) 0.25 ppb (3) 32.0 μg/m3 (29) 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 9 p.m. 25.7 ppb (24) 8.8 ppb (8) N/A 17.0 ppb (16) N/A 3.0 ppb (4) 20.0 ppb (15) 0.39 ppb (4) 60.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
Jan. 17, 2019, 8 p.m. 35.2 ppb (33) 14.6 ppb (14) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 12.0 ppb (9) 0.4 ppb (4) 73.0 μg/m3 (59) 31.0 μg/m3 (90) 90.0
 
Jan. 17, 2019, 7 p.m. 35.8 ppb (33) 11.8 ppb (11) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 14.0 ppb (11) 0.53 ppb (6) 87.0 μg/m3 (66) 33.0 μg/m3 (95) 95.0
 
Jan. 17, 2019, 6 p.m. 40.3 ppb (37) 18.7 ppb (17) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 13.0 ppb (10) 0.58 ppb (6) 83.0 μg/m3 (64) N/A 64.0
 
Jan. 17, 2019, 5 p.m. 95.6 ppb (94) 63.6 ppb (60) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 5.0 ppb (4) 1.09 ppb (12) 115.0 μg/m3 (80) N/A 94.0
 
Jan. 17, 2019, 4 p.m. 112.4 ppb (102) 86.4 ppb (84) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 2.0 ppb (2) 1.44 ppb (16) 70.0 μg/m3 (58) N/A 102.0
 
Jan. 17, 2019, 3 p.m. 103.1 ppb (100) 85.0 ppb (83) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 2.0 ppb (2) 1.28 ppb (14) 50.0 μg/m3 (45) N/A 100.0
 
Jan. 17, 2019, 2 p.m. 56.7 ppb (53) 42.5 ppb (39) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.78 ppb (9) 50.0 μg/m3 (45) N/A 53.0
 
Jan. 17, 2019, 1 p.m. 23.7 ppb (22) 10.4 ppb (10) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.47 ppb (5) 36.0 μg/m3 (33) N/A 33.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (27) N/A 27.0
 
Jan. 17, 2019, 11 a.m. 22.8 ppb (21) 8.9 ppb (8) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.47 ppb (5) 24.0 μg/m3 (22) N/A 22.0
 
Jan. 17, 2019, 10 a.m. 16.1 ppb (15) 3.6 ppb (3) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) 21.0 μg/m3 (19) N/A 19.0
 
Jan. 17, 2019, 9 a.m. 21.7 ppb (20) 7.2 ppb (7) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) 24.0 μg/m3 (22) N/A 22.0
 
Jan. 17, 2019, 8 a.m. 28.5 ppb (26) 14.7 ppb (14) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.49 ppb (5) 41.0 μg/m3 (37) N/A 37.0
 
Jan. 17, 2019, 7 a.m. 23.0 ppb (21) 10.0 ppb (9) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 2.0 ppb (2) 0.34 ppb (4) 30.0 μg/m3 (27) N/A 27.0
 
Jan. 17, 2019, 6 a.m. 16.5 ppb (15) 5.4 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 3.0 ppb (2) 0.21 ppb (2) 25.0 μg/m3 (23) N/A 23.0
 
Jan. 17, 2019, 5 a.m. 16.3 ppb (15) 2.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (4) 0.22 ppb (2) 31.0 μg/m3 (28) N/A 28.0
 
Jan. 17, 2019, 4 a.m. 13.3 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (5) 0.21 ppb (2) 32.0 μg/m3 (29) N/A 29.0
 
Jan. 17, 2019, 3 a.m. 17.8 ppb (16) 3.1 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 5.0 ppb (4) 0.27 ppb (3) 37.0 μg/m3 (34) N/A 34.0
 
Jan. 17, 2019, 2 a.m. 14.6 ppb (14) 1.4 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.18 ppb (2) 39.0 μg/m3 (35) N/A 35.0
 
Jan. 17, 2019, 1 a.m. 20.6 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 7.0 ppb (5) 0.25 ppb (3) 56.0 μg/m3 (50) N/A 50.0
 
Jan. 17, 2019, midnight 23.6 ppb (22) 2.5 ppb (2) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 18.0 ppb (14) 0.33 ppb (4) 57.0 μg/m3 (51) N/A 51.0
 
Jan. 16, 2019, 11 p.m. 32.1 ppb (30) 6.7 ppb (6) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 22.0 ppb (17) 0.48 ppb (5) 72.0 μg/m3 (58) N/A 58.0
 
Jan. 16, 2019, 10 p.m. 34.8 ppb (32) 10.2 ppb (9) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 23.0 ppb (18) 0.51 ppb (6) 69.0 μg/m3 (57) N/A 57.0
 
Jan. 16, 2019, 9 p.m. 28.1 ppb (26) 9.6 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (17) 0.42 ppb (5) 54.0 μg/m3 (49) N/A 49.0
 
Jan. 16, 2019, 8 p.m. 20.3 ppb (19) 7.9 ppb (7) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.31 ppb (3) 30.0 μg/m3 (27) N/A 27.0
 
Jan. 16, 2019, 7 p.m. 30.6 ppb (28) 13.6 ppb (13) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.4 ppb (4) 42.0 μg/m3 (38) N/A 38.0
 
Jan. 16, 2019, 6 p.m. 43.2 ppb (40) 22.8 ppb (21) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.52 ppb (6) 45.0 μg/m3 (41) N/A 41.0
 
Jan. 16, 2019, 5 p.m. 31.3 ppb (29) 15.0 ppb (14) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (5) 0.46 ppb (5) 28.0 μg/m3 (25) N/A 29.0
 
Jan. 16, 2019, 4 p.m. 32.5 ppb (30) 15.6 ppb (14) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 5.0 ppb (4) 0.49 ppb (5) 20.0 μg/m3 (18) N/A 30.0
 
Jan. 16, 2019, 3 p.m. 32.2 ppb (30) 14.5 ppb (13) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.54 ppb (6) 12.0 μg/m3 (11) N/A 30.0
 
Jan. 16, 2019, 2 p.m. 18.1 ppb (17) 4.4 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (4) 0.29 ppb (3) 10.0 μg/m3 (9) N/A 17.0
 
Jan. 16, 2019, 1 p.m. 11.3 ppb (10) 2.8 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.23 ppb (3) 11.0 μg/m3 (10) N/A 10.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Jan. 16, 2019, 11 a.m. 7.9 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) 15.0 μg/m3 (14) N/A 14.0
 
Jan. 16, 2019, 10 a.m. 10.8 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) 20.0 μg/m3 (18) N/A 18.0
 
Jan. 16, 2019, 9 a.m. 18.2 ppb (17) 6.4 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) 0.28 ppb (3) 22.0 μg/m3 (20) N/A 20.0
 
Jan. 16, 2019, 8 a.m. 37.2 ppb (34) 21.5 ppb (20) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 1.0 ppb (1) 0.57 ppb (6) 42.0 μg/m3 (38) N/A 38.0
 
Jan. 16, 2019, 7 a.m. 60.1 ppb (56) 41.7 ppb (39) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (10) 57.0 μg/m3 (51) N/A 56.0
 
Jan. 16, 2019, 6 a.m. 61.7 ppb (58) 40.6 ppb (38) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.88 ppb (10) 65.0 μg/m3 (55) N/A 58.0
 
Jan. 16, 2019, 5 a.m. 73.3 ppb (71) 50.5 ppb (47) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 2.0 ppb (2) 1.1 ppb (12) 63.0 μg/m3 (54) N/A 71.0
 
Jan. 16, 2019, 4 a.m. 77.1 ppb (75) 52.7 ppb (49) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 1.0 ppb (1) 1.06 ppb (12) 67.0 μg/m3 (56) N/A 75.0
 
Jan. 16, 2019, 3 a.m. 67.6 ppb (64) 37.8 ppb (35) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 2.0 ppb (2) 0.92 ppb (10) 53.0 μg/m3 (48) N/A 64.0
 
Jan. 16, 2019, 2 a.m. 41.4 ppb (38) 11.7 ppb (11) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 3.0 ppb (2) 0.62 ppb (7) 40.0 μg/m3 (36) N/A 38.0
 
Jan. 16, 2019, 1 a.m. 13.9 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.26 ppb (3) 17.0 μg/m3 (15) N/A 15.0
 
Jan. 16, 2019, midnight 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 10.0 μg/m3 (9) N/A 25.0
 
Jan. 15, 2019, 11 p.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) 8.0 μg/m3 (7) N/A 28.0
 
Jan. 15, 2019, 10 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 8.0 μg/m3 (7) N/A 29.0
 
Jan. 15, 2019, 9 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A N/A 28.0
 
Jan. 15, 2019, 8 p.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.11 ppb (1) 11.0 μg/m3 (10) N/A 25.0
 
Jan. 15, 2019, 7 p.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) 7.0 μg/m3 (6) N/A 22.0
 
Jan. 15, 2019, 6 p.m. 9.8 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 15.0 μg/m3 (14) N/A 19.0
 
Jan. 15, 2019, 5 p.m. 11.2 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 17.0 μg/m3 (15) N/A 17.0
 
Jan. 15, 2019, 4 p.m. 31.1 ppb (29) 11.8 ppb (11) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 7.0 ppb (5) 0.36 ppb (4) 22.0 μg/m3 (20) N/A 29.0
 
Jan. 15, 2019, 3 p.m. 34.8 ppb (32) 14.6 ppb (14) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.46 ppb (5) 28.0 μg/m3 (25) N/A 32.0
 
Jan. 15, 2019, 2 p.m. 23.5 ppb (22) 4.4 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.36 ppb (4) 27.0 μg/m3 (25) N/A 25.0
 
Jan. 15, 2019, 1 p.m. 13.8 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 27.0 μg/m3 (25) N/A 25.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (22) N/A 22.0
 
Jan. 15, 2019, 11 a.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) 10.0 μg/m3 (9) N/A 15.0
 
Jan. 15, 2019, 10 a.m. 4.6 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) 11.0 μg/m3 (10) N/A 18.0
 
Jan. 15, 2019, 9 a.m. 4.4 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) 12.0 μg/m3 (11) N/A 17.0
 
Jan. 15, 2019, 8 a.m. 4.2 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) 12.0 μg/m3 (11) N/A 18.0
 
Jan. 15, 2019, 7 a.m. 4.7 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) 12.0 μg/m3 (11) N/A 18.0
 
Jan. 15, 2019, 6 a.m. 4.5 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) 11.0 μg/m3 (10) N/A 21.0
 
Jan. 15, 2019, 5 a.m. 4.1 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) 9.0 μg/m3 (8) N/A 20.0
 
Jan. 15, 2019, 4 a.m. 6.3 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) 6.0 μg/m3 (5) N/A 17.0
 
Jan. 15, 2019, 3 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) 6.0 μg/m3 (5) N/A 18.0
 
Jan. 15, 2019, 2 a.m. 7.1 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) 7.0 μg/m3 (6) N/A 18.0
 
Jan. 15, 2019, 1 a.m. 8.9 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.14 ppb (2) 8.0 μg/m3 (7) N/A 18.0
 
Jan. 15, 2019, midnight 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) 15.0 μg/m3 (14) N/A 18.0
 
Jan. 14, 2019, 11 p.m. 7.3 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) 16.0 μg/m3 (15) N/A 22.0
 
Jan. 14, 2019, 10 p.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) 17.0 μg/m3 (15) N/A 26.0
 
Jan. 14, 2019, 9 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 15.0 μg/m3 (14) N/A 27.0
 
Jan. 14, 2019, 8 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) 10.0 μg/m3 (9) N/A 27.0
 
Jan. 14, 2019, 7 p.m. 10.4 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 31.0 μg/m3 (28) N/A 28.0
 
Jan. 14, 2019, 6 p.m. 10.3 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 5 p.m. 14.2 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 p.m. 23.6 ppb (22) 7.5 ppb (7) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 32.0 μg/m3 (29) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 3 p.m. 42.9 ppb (40) 19.2 ppb (18) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (2) 0.61 ppb (7) 40.0 μg/m3 (36) 8.0 μg/m3 (33) 40.0
 
Jan. 14, 2019, 2 p.m. 30.8 ppb (29) 8.0 ppb (7) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 3.0 ppb (2) 0.55 ppb (6) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 29.0
 
Jan. 14, 2019, 1 p.m. 15.8 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.19 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 11 a.m. 28.8 ppb (27) 12.4 ppb (11) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 19.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 10 a.m. 17.5 ppb (16) 0.9 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2019, 9 a.m. 18.8 ppb (17) 1.3 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 6.0 ppb (5) 0.32 ppb (4) 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
Jan. 14, 2019, 8 a.m. 15.4 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 7 a.m. 21.3 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 5.0 ppb (4) 0.31 ppb (3) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 6 a.m. 15.5 ppb (14) 0.8 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) 0.22 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 5 a.m. 15.5 ppb (14) 0.8 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 4 a.m. 16.1 ppb (15) 0.4 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 3 a.m. 28.7 ppb (27) 2.9 ppb (3) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 9.0 ppb (7) 0.43 ppb (5) 43.0 μg/m3 (39) 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 2 a.m. 18.7 ppb (17) 0.1 ppb (0) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 17.0 ppb (13) 0.39 ppb (4) 41.0 μg/m3 (37) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 1 a.m. 9.6 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 44.0 μg/m3 (40) 4.0 μg/m3 (17) 40.0
 
Jan. 14, 2019, midnight 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 31.0
 
Jan. 13, 2019, 11 p.m. 5.3 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.13 ppb (1) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 32.0
 
Jan. 13, 2019, 10 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 33.0
 
Jan. 13, 2019, 9 p.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.09 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 33.0
 
Jan. 13, 2019, 8 p.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 32.0
 
Jan. 13, 2019, 7 p.m. 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 30.0
 
Jan. 13, 2019, 6 p.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 28.0
 
Jan. 13, 2019, 5 p.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 22.0
 
Jan. 13, 2019, 4 p.m. 7.1 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 18.0
 
Jan. 13, 2019, 3 p.m. 18.0 ppb (17) 6.2 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 2 p.m. 9.5 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.15 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2019, 1 p.m. 12.4 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (6) 0.22 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 11 a.m. 5.1 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 13, 2019, 10 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 9 a.m. 32.5 ppb (30) 8.6 ppb (8) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 4.0 ppb (3) 0.68 ppb (8) 60.0 μg/m3 (52) 46.0 μg/m3 (126) 126.0
 
Jan. 13, 2019, 8 a.m. 37.9 ppb (35) 13.4 ppb (12) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 4.0 ppb (3) 0.66 ppb (7) 52.0 μg/m3 (47) 38.0 μg/m3 (106) 106.0
 
Jan. 13, 2019, 7 a.m. 42.2 ppb (39) 15.4 ppb (14) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 0.77 ppb (9) 48.0 μg/m3 (44) 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2019, 6 a.m. 24.6 ppb (23) 4.5 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.42 ppb (5) 32.0 μg/m3 (29) 19.0 μg/m3 (65) 65.0
 
Jan. 13, 2019, 5 a.m. 19.6 ppb (18) 1.8 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2019, 4 a.m. 10.8 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 3 a.m. 6.0 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2019, 2 a.m. 7.2 ppb (7) -0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.14 ppb (2) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 1 a.m. 6.2 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Jan. 13, 2019, midnight 4.8 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 26.0 μg/m3 (24) 16.0 μg/m3 (59) 59.0
 
Jan. 12, 2019, 11 p.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 10 p.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 41.0 ppb (32) 0.11 ppb (1) 24.0 μg/m3 (22) 18.0 μg/m3 (63) 63.0
 
Jan. 12, 2019, 9 p.m. 5.3 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.11 ppb (1) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 8 p.m. 6.5 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.12 ppb (1) 21.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Jan. 12, 2019, 7 p.m. 8.4 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
Jan. 12, 2019, 6 p.m. 9.6 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 38.0 μg/m3 (35) 25.0 μg/m3 (78) 78.0
 
Jan. 12, 2019, 5 p.m. 12.8 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 35.0 μg/m3 (32) 28.0 μg/m3 (84) 84.0
 
Jan. 12, 2019, 4 p.m. 20.2 ppb (19) 8.5 ppb (8) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.23 ppb (3) 47.0 μg/m3 (43) 25.0 μg/m3 (78) 78.0
 
Jan. 12, 2019, 3 p.m. 24.4 ppb (23) 9.4 ppb (9) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.36 ppb (4) 56.0 μg/m3 (50) 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2019, 2 p.m. 18.9 ppb (18) 5.1 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 59.0 μg/m3 (52) 30.0 μg/m3 (88) 88.0
 
Jan. 12, 2019, 1 p.m. 42.5 ppb (39) 26.2 ppb (24) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (2) 0.61 ppb (7) 88.0 μg/m3 (66) 43.0 μg/m3 (119) 119.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 98.0 μg/m3 (72) 50.0 μg/m3 (136) 136.0
 
Jan. 12, 2019, 11 a.m. 32.9 ppb (30) 13.3 ppb (12) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) 71.0 μg/m3 (58) 36.0 μg/m3 (101) 101.0
 
Jan. 12, 2019, 10 a.m. 24.1 ppb (22) 4.4 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.35 ppb (4) 64.0 μg/m3 (54) 35.0 μg/m3 (99) 99.0
 
Jan. 12, 2019, 9 a.m. 26.4 ppb (24) 6.7 ppb (6) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (3) 0.32 ppb (4) 73.0 μg/m3 (59) 36.0 μg/m3 (101) 101.0
 
Jan. 12, 2019, 8 a.m. 55.9 ppb (52) 28.5 ppb (26) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.72 ppb (8) 101.0 μg/m3 (73) 43.0 μg/m3 (119) 119.0
 
Jan. 12, 2019, 7 a.m. 59.5 ppb (56) 27.2 ppb (25) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.72 ppb (8) 111.0 μg/m3 (78) 45.0 μg/m3 (124) 124.0
 
Jan. 12, 2019, 6 a.m. 33.7 ppb (31) 6.5 ppb (6) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 5.0 ppb (4) 0.36 ppb (4) 52.0 μg/m3 (47) 29.0 μg/m3 (86) 86.0
 
Jan. 12, 2019, 5 a.m. 40.4 ppb (37) 13.5 ppb (12) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 5.0 ppb (4) 0.29 ppb (3) 52.0 μg/m3 (47) 27.0 μg/m3 (82) 82.0
 
Jan. 12, 2019, 4 a.m. 63.1 ppb (60) 29.7 ppb (28) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 3.0 ppb (2) 0.41 ppb (5) 84.0 μg/m3 (64) 30.0 μg/m3 (88) 88.0
 
Jan. 12, 2019, 3 a.m. 104.9 ppb (101) 63.8 ppb (60) N/A 41.0 ppb (38) N/A 1.0 ppb (1) 2.0 ppb (2) 1.21 ppb (13) 121.0 μg/m3 (83) 35.0 μg/m3 (99) 101.0
 
Jan. 12, 2019, 2 a.m. 64.8 ppb (61) 24.4 ppb (23) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.99 ppb (11) 179.0 μg/m3 (112) 32.0 μg/m3 (93) 112.0
 
Jan. 12, 2019, 1 a.m. 59.9 ppb (56) 17.4 ppb (16) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 4.0 ppb (3) 0.61 ppb (7) 86.0 μg/m3 (66) 29.0 μg/m3 (86) 86.0
 
Jan. 12, 2019, midnight 27.6 ppb (26) 1.6 ppb (1) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 29.0 ppb (22) 0.37 ppb (4) 77.0 μg/m3 (61) 26.0 μg/m3 (80) 80.0
 
Jan. 11, 2019, 11 p.m. 17.0 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 40.0 ppb (31) 0.28 ppb (3) 53.0 μg/m3 (48) 21.0 μg/m3 (69) 69.0
 
Jan. 11, 2019, 10 p.m. 10.9 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 41.0 ppb (32) 0.17 ppb (2) 40.0 μg/m3 (36) 24.0 μg/m3 (76) 76.0
 
Jan. 11, 2019, 9 p.m. 9.4 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 44.0 ppb (34) 0.21 ppb (2) 44.0 μg/m3 (40) 20.0 μg/m3 (67) 67.0
 
Jan. 11, 2019, 8 p.m. 11.1 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 33.0 μg/m3 (30) 18.0 μg/m3 (63) 63.0
 
Jan. 11, 2019, 7 p.m. 13.9 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 31.0 μg/m3 (28) 17.0 μg/m3 (61) 61.0