ID: 149

AQSQID: 060371103

Site Name: Los Angeles - N. Main Street

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

Updated: July 7, 2020, 2:35 p.m.

Location: Los Angeles (Central City E), CA

Reporting: True, Located: True

Current AQI: 78.0

Los Angeles (Central City E) CA, US: 34.066429, -118.226755

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2020, 1 p.m. 24.8 ppb (23) 4.2 ppb (4) 17.5 ppb (16) 21.0 ppb (19) 14.1 ppb (13) 0.0 ppb (0) 8.0 ppb (6) 0.25 ppb (3) 41.0 μg/m3 (37) 25.0 μg/m3 (78) 78.0
 
July 7, 2020, noon 24.0 ppb (22) 2.2 ppb (2) 17.6 ppb (16) 22.0 ppb (20) 17.2 ppb (16) 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) 37.0 μg/m3 (34) 17.0 μg/m3 (61) 61.0
 
July 7, 2020, 11 a.m. 22.5 ppb (21) 2.7 ppb (3) 17.5 ppb (16) 20.0 ppb (19) 16.0 ppb (15) 0.0 ppb (0) 8.0 ppb (6) 0.22 ppb (2) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
July 7, 2020, 10 a.m. 18.4 ppb (17) 1.2 ppb (1) 14.7 ppb (14) 17.0 ppb (16) 14.4 ppb (13) 0.0 ppb (0) 12.0 ppb (9) 0.19 ppb (2) 35.0 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
July 7, 2020, 9 a.m. 17.0 ppb (16) 1.1 ppb (1) 14.6 ppb (14) 16.0 ppb (15) 14.3 ppb (13) 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 38.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
July 7, 2020, 8 a.m. 20.6 ppb (19) 2.2 ppb (2) 19.7 ppb (18) 18.0 ppb (17) 18.5 ppb (17) 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) 41.0 μg/m3 (37) 18.0 μg/m3 (63) 63.0
 
July 7, 2020, 7 a.m. 27.5 ppb (25) 3.1 ppb (3) 23.2 ppb (21) 24.0 ppb (22) 22.0 ppb (20) 1.0 ppb (1) 10.0 ppb (8) 0.29 ppb (3) 48.0 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
July 7, 2020, 6 a.m. 25.6 ppb (24) 1.2 ppb (1) 23.6 ppb (22) 24.0 ppb (22) 23.4 ppb (22) 1.0 ppb (1) 11.0 ppb (8) 0.29 ppb (3) 46.0 μg/m3 (42) 18.0 μg/m3 (63) 63.0
 
July 7, 2020, 5 a.m. 19.8 ppb (18) 1.1 ppb (1) 18.9 ppb (18) 19.0 ppb (18) 18.8 ppb (17) 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) 38.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
July 7, 2020, 4 a.m. 17.3 ppb (16) 1.0 ppb (1) 15.4 ppb (14) 16.0 ppb (15) 15.2 ppb (14) 0.0 ppb (0) 26.0 ppb (20) 0.42 ppb (5) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
July 7, 2020, 3 a.m. 8.4 ppb (8) 0.9 ppb (1) 7.0 ppb (6) 8.0 ppb (7) 7.0 ppb (6) 0.0 ppb (0) 44.0 ppb (34) 0.23 ppb (3) 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
July 7, 2020, 2 a.m. 8.3 ppb (8) 1.0 ppb (1) 7.1 ppb (7) 7.0 ppb (6) 6.8 ppb (6) 0.0 ppb (0) 47.0 ppb (36) 0.22 ppb (2) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 7, 2020, 1 a.m. 13.1 ppb (12) 1.7 ppb (2) 11.5 ppb (11) 11.0 ppb (10) 10.4 ppb (10) 0.0 ppb (0) 55.0 ppb (42) 0.26 ppb (3) 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
July 7, 2020, midnight 13.8 ppb (13) 1.8 ppb (2) 13.0 ppb (12) 12.0 ppb (11) 11.7 ppb (11) 1.0 ppb (1) 65.0 ppb (50) 0.27 ppb (3) 34.0 μg/m3 (31) 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 11 p.m. 11.6 ppb (11) 1.5 ppb (1) 11.2 ppb (10) 10.0 ppb (9) 10.2 ppb (9) 1.0 ppb (1) 73.0 ppb (57) 0.28 ppb (3) 38.0 μg/m3 (35) 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 10 p.m. 11.1 ppb (10) 1.5 ppb (1) 10.9 ppb (10) 10.0 ppb (9) 10.0 ppb (9) 1.0 ppb (1) 73.0 ppb (57) 0.29 ppb (3) 41.0 μg/m3 (37) 22.0 μg/m3 (71) 71.0
 
July 6, 2020, 9 p.m. 13.0 ppb (12) 2.0 ppb (2) 12.8 ppb (12) 11.0 ppb (10) 11.4 ppb (11) 1.0 ppb (1) 67.0 ppb (52) 0.25 ppb (3) 42.0 μg/m3 (38) 17.0 μg/m3 (61) 61.0
 
July 6, 2020, 8 p.m. 22.8 ppb (21) 6.5 ppb (6) 18.1 ppb (17) 16.0 ppb (15) 15.5 ppb (14) 1.0 ppb (1) 60.0 ppb (46) 0.28 ppb (3) 46.0 μg/m3 (42) 20.0 μg/m3 (67) 67.0
 
July 6, 2020, 7 p.m. 18.7 ppb (17) 3.2 ppb (3) 18.8 ppb (17) 16.0 ppb (15) 16.0 ppb (15) 1.0 ppb (1) 59.0 ppb (45) 0.31 ppb (3) 43.0 μg/m3 (39) 17.0 μg/m3 (61) 61.0
 
July 6, 2020, 6 p.m. 22.8 ppb (21) 4.3 ppb (4) 22.1 ppb (20) 19.0 ppb (18) 18.5 ppb (17) 1.0 ppb (1) 56.0 ppb (43) 0.34 ppb (4) 41.0 μg/m3 (37) 24.0 μg/m3 (76) 76.0
 
July 6, 2020, 5 p.m. 35.3 ppb (33) 10.1 ppb (9) 35.1 ppb (32) 25.0 ppb (23) 27.2 ppb (25) 1.0 ppb (1) 37.0 ppb (28) 0.4 ppb (4) 51.0 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
July 6, 2020, 4 p.m. 35.9 ppb (33) 11.4 ppb (11) 33.8 ppb (31) 25.0 ppb (23) 23.3 ppb (22) 0.0 ppb (0) 26.0 ppb (20) 0.44 ppb (5) 50.0 μg/m3 (45) 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 3 p.m. 32.9 ppb (30) 12.1 ppb (11) 34.0 ppb (31) 21.0 ppb (19) 23.0 ppb (21) 1.0 ppb (1) 17.0 ppb (13) 0.46 ppb (5) 52.0 μg/m3 (47) 27.0 μg/m3 (82) 82.0
 
July 6, 2020, 2 p.m. 37.8 ppb (35) 17.1 ppb (16) 31.6 ppb (29) 21.0 ppb (19) 16.5 ppb (15) 1.0 ppb (1) 7.0 ppb (5) 0.5 ppb (6) 48.0 μg/m3 (44) 30.0 μg/m3 (88) 88.0
 
July 6, 2020, 1 p.m. 63.4 ppb (60) 38.7 ppb (36) 49.3 ppb (46) 25.0 ppb (23) 15.0 ppb (14) 0.0 ppb (0) 1.0 ppb (1) 0.82 ppb (9) 44.0 μg/m3 (40) 18.0 μg/m3 (63) 63.0
 
July 6, 2020, noon 36.8 ppb (34) 13.4 ppb (12) 28.3 ppb (26) 24.0 ppb (22) 20.4 ppb (19) 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) 39.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
July 6, 2020, 11 a.m. 33.2 ppb (31) 9.3 ppb (9) 22.9 ppb (21) 24.0 ppb (22) 18.3 ppb (17) 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) 36.0 μg/m3 (33) 25.0 μg/m3 (78) 78.0
 
July 6, 2020, 10 a.m. 44.9 ppb (42) 18.0 ppb (17) 37.7 ppb (35) 27.0 ppb (25) 23.0 ppb (21) 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (6) 37.0 μg/m3 (34) 28.0 μg/m3 (84) 84.0
 
July 6, 2020, 9 a.m. 31.5 ppb (29) 6.3 ppb (6) 27.0 ppb (25) 25.0 ppb (23) 20.6 ppb (19) 0.0 ppb (0) 1.0 ppb (1) 0.54 ppb (6) 41.0 μg/m3 (37) 26.0 μg/m3 (80) 80.0
 
July 6, 2020, 8 a.m. 30.8 ppb (29) 7.1 ppb (7) 27.8 ppb (26) 24.0 ppb (22) 23.3 ppb (22) 0.0 ppb (0) 2.0 ppb (2) 0.53 ppb (6) 40.0 μg/m3 (36) 25.0 μg/m3 (78) 78.0
 
July 6, 2020, 7 a.m. 20.8 ppb (19) 1.8 ppb (2) 20.3 ppb (19) 19.0 ppb (18) 19.4 ppb (18) 0.0 ppb (0) 7.0 ppb (5) 0.46 ppb (5) 40.0 μg/m3 (36) 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 6 a.m. 15.7 ppb (15) 1.2 ppb (1) 14.1 ppb (13) 15.0 ppb (14) 14.0 ppb (13) 0.0 ppb (0) 13.0 ppb (10) 0.45 ppb (5) 31.0 μg/m3 (28) 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 5 a.m. 19.2 ppb (18) 1.7 ppb (2) 15.2 ppb (14) 18.0 ppb (17) 14.7 ppb (14) 0.0 ppb (0) 14.0 ppb (11) 0.47 ppb (5) 29.0 μg/m3 (26) 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 4 a.m. 12.4 ppb (11) 1.2 ppb (1) 10.4 ppb (10) 11.0 ppb (10) 10.1 ppb (9) 0.0 ppb (0) 23.0 ppb (18) 0.38 ppb (4) 27.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
July 6, 2020, 3 a.m. 6.3 ppb (6) 0.8 ppb (1) 4.5 ppb (4) 6.0 ppb (6) 4.5 ppb (4) 0.0 ppb (0) 31.0 ppb (24) 0.22 ppb (2) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 2 a.m. 5.8 ppb (5) 1.1 ppb (1) 3.4 ppb (3) 5.0 ppb (5) 3.2 ppb (3) 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 27.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 1 a.m. 4.5 ppb (4) 1.2 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 24.0 μg/m3 (22) 17.0 μg/m3 (61) 61.0
 
July 6, 2020, midnight 4.4 ppb (4) 1.2 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 2.2 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 28.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
July 5, 2020, 11 p.m. 4.8 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 58.0 ppb (45) 0.2 ppb (2) 46.0 μg/m3 (42) 31.0 μg/m3 (90) 90.0
 
July 5, 2020, 10 p.m. 5.2 ppb (5) 1.1 ppb (1) 5.0 ppb (5) 4.0 ppb (4) 4.6 ppb (4) 1.0 ppb (1) 61.0 ppb (47) 0.22 ppb (2) 58.0 μg/m3 (52) 42.0 μg/m3 (116) 116.0
 
July 5, 2020, 9 p.m. 6.8 ppb (6) 1.2 ppb (1) 7.0 ppb (6) 6.0 ppb (6) 6.5 ppb (6) 1.0 ppb (1) 66.0 ppb (51) 0.27 ppb (3) 76.0 μg/m3 (60) 53.0 μg/m3 (144) 144.0
 
July 5, 2020, 8 p.m. 7.6 ppb (7) 1.2 ppb (1) 8.3 ppb (8) 6.0 ppb (6) 7.8 ppb (7) 1.0 ppb (1) 79.0 ppb (62) 0.31 ppb (3) 79.0 μg/m3 (62) 59.0 μg/m3 (152) 152.0
 
July 5, 2020, 7 p.m. 8.5 ppb (8) 1.5 ppb (1) 8.9 ppb (8) 7.0 ppb (6) 8.1 ppb (8) 1.0 ppb (1) 67.0 ppb (52) 0.25 ppb (3) 48.0 μg/m3 (44) 38.0 μg/m3 (106) 106.0
 
July 5, 2020, 6 p.m. 8.2 ppb (8) 1.6 ppb (1) 8.9 ppb (8) 7.0 ppb (6) 7.9 ppb (7) 1.0 ppb (1) 54.0 ppb (42) 0.24 ppb (3) 51.0 μg/m3 (46) 37.0 μg/m3 (104) 104.0
 
July 5, 2020, 5 p.m. 12.3 ppb (11) 2.6 ppb (2) 12.9 ppb (12) 10.0 ppb (9) 11.0 ppb (10) 1.0 ppb (1) 47.0 ppb (36) 0.32 ppb (4) 95.0 μg/m3 (70) 75.0 μg/m3 (160) 160.0
 
July 5, 2020, 4 p.m. 24.7 ppb (23) 6.9 ppb (6) 24.6 ppb (23) 18.0 ppb (17) 18.4 ppb (17) 1.0 ppb (1) 29.0 ppb (22) 0.37 ppb (4) 196.0 μg/m3 (120) 163.0 μg/m3 (212) 212.0
 
July 5, 2020, 3 p.m. 32.3 ppb (30) 11.0 ppb (10) 31.6 ppb (29) 21.0 ppb (19) 21.5 ppb (20) 2.0 ppb (3) 17.0 ppb (13) 0.47 ppb (5) 353.0 μg/m3 (199) 316.0 μg/m3 (366) 366.0
 
July 5, 2020, 2 p.m. 29.5 ppb (27) 10.4 ppb (10) 28.0 ppb (26) 19.0 ppb (18) 18.8 ppb (17) 1.0 ppb (1) 8.0 ppb (6) 0.51 ppb (6) 358.0 μg/m3 (204) 305.0 μg/m3 (354) 354.0
 
July 5, 2020, 1 p.m. 34.4 ppb (32) 15.5 ppb (14) 27.0 ppb (25) 19.0 ppb (18) 15.1 ppb (14) 1.0 ppb (1) 2.0 ppb (2) 0.62 ppb (7) 351.0 μg/m3 (198) 317.0 μg/m3 (366) 366.0
 
July 5, 2020, noon 30.3 ppb (28) 10.9 ppb (10) 26.3 ppb (24) 19.0 ppb (18) 19.3 ppb (18) 1.0 ppb (1) 1.0 ppb (1) 0.57 ppb (6) 330.0 μg/m3 (188) 292.0 μg/m3 (342) 342.0
 
July 5, 2020, 11 a.m. 29.9 ppb (28) 8.9 ppb (8) 23.8 ppb (22) 21.0 ppb (19) 18.8 ppb (17) 1.0 ppb (1) 1.0 ppb (1) 0.54 ppb (6) 348.0 μg/m3 (196) 305.0 μg/m3 (354) 354.0
 
July 5, 2020, 10 a.m. 42.3 ppb (39) 20.2 ppb (19) 38.0 ppb (35) 22.0 ppb (20) 23.1 ppb (21) 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) 614.0 μg/m3 (509) 541.0 μg/m3 (527) 527.0
 
July 5, 2020, 9 a.m. 43.7 ppb (40) 21.4 ppb (20) 39.4 ppb (36) 22.0 ppb (20) 21.4 ppb (20) 2.0 ppb (3) 1.0 ppb (1) 0.63 ppb (7) N/A N/A 40.0
 
July 5, 2020, 8 a.m. 43.0 ppb (40) 20.4 ppb (19) 45.2 ppb (42) 23.0 ppb (21) 28.9 ppb (27) 3.0 ppb (4) 1.0 ppb (1) 0.62 ppb (7) N/A N/A 42.0
 
July 5, 2020, 7 a.m. 39.4 ppb (36) 11.2 ppb (10) 42.3 ppb (39) 28.0 ppb (26) 31.0 ppb (29) 4.0 ppb (6) 1.0 ppb (1) 0.46 ppb (5) N/A N/A 39.0
 
July 5, 2020, 6 a.m. 24.3 ppb (23) 3.2 ppb (3) 23.6 ppb (22) 21.0 ppb (19) 22.6 ppb (21) 2.0 ppb (3) 7.0 ppb (5) 0.35 ppb (4) 499.0 μg/m3 (392) 432.0 μg/m3 (454) 454.0
 
July 5, 2020, 5 a.m. 25.1 ppb (23) 2.7 ppb (3) 25.6 ppb (24) 22.0 ppb (20) 24.0 ppb (22) 4.0 ppb (6) 8.0 ppb (6) 0.32 ppb (4) 588.0 μg/m3 (483) 508.0 μg/m3 (505) 505.0
 
July 5, 2020, 4 a.m. 14.8 ppb (14) 1.8 ppb (2) 13.1 ppb (12) 13.0 ppb (12) 11.9 ppb (11) 2.0 ppb (3) 21.0 ppb (16) 0.3 ppb (3) 170.0 μg/m3 (108) 135.0 μg/m3 (192) 192.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (28) 14.0 μg/m3 (54) 54.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 4, 2020, 11 p.m. 3.7 ppb (3) 1.2 ppb (1) 2.5 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 46.0 ppb (35) 0.15 ppb (2) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 35.0
 
July 4, 2020, 10 p.m. 3.8 ppb (4) 1.1 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 49.0 ppb (38) 0.16 ppb (2) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 4, 2020, 9 p.m. 4.5 ppb (4) 1.2 ppb (1) 3.7 ppb (3) 3.0 ppb (3) 3.3 ppb (3) 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 4, 2020, 8 p.m. 5.9 ppb (5) 1.3 ppb (1) 5.3 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 55.0 ppb (42) 0.2 ppb (2) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 4, 2020, 7 p.m. 8.1 ppb (8) 1.5 ppb (1) 7.7 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 1.0 ppb (1) 59.0 ppb (45) 0.25 ppb (3) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 6 p.m. 12.6 ppb (12) 2.0 ppb (2) 12.0 ppb (11) 11.0 ppb (10) 10.8 ppb (10) 1.0 ppb (1) 67.0 ppb (52) 0.36 ppb (4) 37.0 μg/m3 (34) 16.0 μg/m3 (59) 59.0
 
July 4, 2020, 5 p.m. 26.0 ppb (24) 6.8 ppb (6) 23.9 ppb (22) 19.0 ppb (18) 17.8 ppb (16) 2.0 ppb (3) 39.0 ppb (30) 0.33 ppb (4) 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 4 p.m. 31.0 ppb (29) 9.7 ppb (9) 28.8 ppb (27) 21.0 ppb (19) 19.3 ppb (18) 1.0 ppb (1) 26.0 ppb (20) 0.39 ppb (4) 40.0 μg/m3 (36) 19.0 μg/m3 (65) 65.0
 
July 4, 2020, 3 p.m. 23.2 ppb (21) 7.7 ppb (7) 20.9 ppb (19) 16.0 ppb (15) 13.8 ppb (13) 1.0 ppb (1) 20.0 ppb (15) 0.4 ppb (4) 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
July 4, 2020, 2 p.m. 28.9 ppb (27) 12.2 ppb (11) 24.7 ppb (23) 17.0 ppb (16) 13.6 ppb (13) 0.0 ppb (0) 11.0 ppb (8) 0.47 ppb (5) 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
July 4, 2020, 1 p.m. 25.4 ppb (24) 8.2 ppb (8) 19.4 ppb (18) 17.0 ppb (16) 11.7 ppb (11) 0.0 ppb (0) 3.0 ppb (2) 0.46 ppb (5) 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
July 4, 2020, noon 28.7 ppb (27) 8.2 ppb (8) 25.6 ppb (24) 21.0 ppb (19) 18.4 ppb (17) 0.0 ppb (0) 1.0 ppb (1) 0.41 ppb (5) 28.0 μg/m3 (25) 21.0 μg/m3 (69) 69.0
 
July 4, 2020, 11 a.m. 29.3 ppb (27) 5.1 ppb (5) 26.4 ppb (24) 24.0 ppb (22) 18.4 ppb (17) 0.0 ppb (0) 1.0 ppb (1) 0.38 ppb (4) 30.0 μg/m3 (27) 20.0 μg/m3 (67) 67.0
 
July 4, 2020, 10 a.m. 28.2 ppb (26) 3.8 ppb (4) 22.3 ppb (21) 24.0 ppb (22) 20.4 ppb (19) 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) 33.0 μg/m3 (30) 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 9 a.m. 18.6 ppb (17) 1.7 ppb (2) 12.7 ppb (12) 17.0 ppb (16) 12.5 ppb (12) 0.0 ppb (0) 6.0 ppb (5) 0.39 ppb (4) 35.0 μg/m3 (32) 20.0 μg/m3 (67) 67.0
 
July 4, 2020, 8 a.m. 19.0 ppb (18) 1.4 ppb (1) 18.3 ppb (17) 18.0 ppb (17) 17.9 ppb (17) 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
July 4, 2020, 7 a.m. 24.7 ppb (23) 3.0 ppb (3) 23.0 ppb (21) 22.0 ppb (20) 20.9 ppb (19) 0.0 ppb (0) 8.0 ppb (6) 0.28 ppb (3) 31.0 μg/m3 (28) 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 6 a.m. 17.1 ppb (16) 2.0 ppb (2) 14.9 ppb (14) 15.0 ppb (14) 14.0 ppb (13) 0.0 ppb (0) 13.0 ppb (10) 0.29 ppb (3) 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
July 4, 2020, 5 a.m. 13.5 ppb (12) 1.0 ppb (1) 11.6 ppb (11) 13.0 ppb (12) 11.5 ppb (11) 0.0 ppb (0) 18.0 ppb (14) 0.33 ppb (4) 34.0 μg/m3 (31) 22.0 μg/m3 (71) 71.0
 
July 4, 2020, 4 a.m. 12.0 ppb (11) 0.9 ppb (1) 10.5 ppb (10) 11.0 ppb (10) 10.5 ppb (10) 1.0 ppb (1) 24.0 ppb (18) 0.33 ppb (4) 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 3 a.m. 9.0 ppb (8) 0.9 ppb (1) 7.4 ppb (7) 8.0 ppb (7) 7.4 ppb (7) 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 20.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
July 4, 2020, 2 a.m. 6.3 ppb (6) 1.0 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 50.0 ppb (38) 0.19 ppb (2) 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 1 a.m. 6.1 ppb (6) 1.2 ppb (1) 4.9 ppb (5) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
July 4, 2020, midnight 5.8 ppb (5) 1.2 ppb (1) 4.9 ppb (5) 5.0 ppb (5) 4.3 ppb (4) 0.0 ppb (0) 59.0 ppb (45) 0.2 ppb (2) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 11 p.m. 6.4 ppb (6) 1.4 ppb (1) 5.5 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 56.0 ppb (43) 0.2 ppb (2) 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 10 p.m. 7.9 ppb (7) 1.6 ppb (1) 6.9 ppb (6) 6.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 58.0 ppb (45) 0.21 ppb (2) 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 9 p.m. 8.4 ppb (8) 1.7 ppb (2) 7.8 ppb (7) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 57.0 ppb (44) 0.21 ppb (2) 30.0 μg/m3 (27) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 8 p.m. 8.3 ppb (8) 1.7 ppb (2) 7.7 ppb (7) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 55.0 ppb (42) 0.22 ppb (2) 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
July 3, 2020, 7 p.m. 9.3 ppb (9) 1.8 ppb (2) 9.0 ppb (8) 8.0 ppb (7) 7.8 ppb (7) 0.0 ppb (0) 55.0 ppb (42) 0.25 ppb (3) 34.0 μg/m3 (31) 14.0 μg/m3 (54) 54.0
 
July 3, 2020, 6 p.m. 15.9 ppb (15) 2.9 ppb (3) 14.7 ppb (14) 13.0 ppb (12) 12.5 ppb (12) 0.0 ppb (0) 58.0 ppb (45) 0.35 ppb (4) 36.0 μg/m3 (33) 18.0 μg/m3 (63) 63.0
 
July 3, 2020, 5 p.m. 26.8 ppb (25) 7.0 ppb (6) 24.5 ppb (23) 20.0 ppb (19) 18.2 ppb (17) 0.0 ppb (0) 38.0 ppb (29) 0.4 ppb (4) 43.0 μg/m3 (39) 19.0 μg/m3 (65) 65.0
 
July 3, 2020, 4 p.m. 23.0 ppb (21) 6.8 ppb (6) 21.5 ppb (20) 16.0 ppb (15) 14.9 ppb (14) 0.0 ppb (0) 29.0 ppb (22) 0.35 ppb (4) 36.0 μg/m3 (33) 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 3 p.m. 26.3 ppb (24) 10.3 ppb (10) 22.8 ppb (21) 16.0 ppb (15) 13.4 ppb (12) 0.0 ppb (0) 16.0 ppb (12) 0.38 ppb (4) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 2 p.m. 29.7 ppb (28) 13.2 ppb (12) 24.8 ppb (23) 17.0 ppb (16) 12.4 ppb (11) 0.0 ppb (0) 9.0 ppb (7) 0.36 ppb (4) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
July 3, 2020, 1 p.m. 24.9 ppb (23) 10.4 ppb (10) 14.8 ppb (14) 15.0 ppb (14) 7.9 ppb (7) 0.0 ppb (0) 6.0 ppb (5) 0.36 ppb (4) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
July 3, 2020, noon 28.6 ppb (26) 12.4 ppb (11) 20.0 ppb (19) 16.0 ppb (15) 11.2 ppb (10) 0.0 ppb (0) 6.0 ppb (5) 0.35 ppb (4) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 26.0
 
July 3, 2020, 11 a.m. 23.8 ppb (22) 9.8 ppb (9) 11.9 ppb (11) 14.0 ppb (13) 8.2 ppb (8) 0.0 ppb (0) 9.0 ppb (7) 0.34 ppb (4) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 10 a.m. 16.4 ppb (15) 4.5 ppb (4) 11.6 ppb (11) 12.0 ppb (11) 9.2 ppb (9) 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 9 a.m. 8.6 ppb (8) 1.2 ppb (1) 6.6 ppb (6) 7.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
July 3, 2020, 8 a.m. 7.7 ppb (7) 1.0 ppb (1) 5.9 ppb (5) 7.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 7 a.m. 7.0 ppb (6) 0.9 ppb (1) 5.2 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 6 a.m. 6.9 ppb (6) 0.9 ppb (1) 5.2 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 5 a.m. 5.3 ppb (5) 0.9 ppb (1) 3.9 ppb (4) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 4 a.m. 5.0 ppb (5) 0.9 ppb (1) 3.5 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 19.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
July 3, 2020, 3 a.m. 4.9 ppb (5) 0.8 ppb (1) 3.4 ppb (3) 4.0 ppb (4) 3.3 ppb (3) 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 2 a.m. 4.9 ppb (5) 1.1 ppb (1) 3.5 ppb (3) 4.0 ppb (4) 3.2 ppb (3) 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 1 a.m. 5.5 ppb (5) 1.3 ppb (1) 4.3 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
July 3, 2020, midnight 6.1 ppb (6) 1.6 ppb (1) 5.0 ppb (5) 4.0 ppb (4) 4.1 ppb (4) 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 2, 2020, 11 p.m. 6.9 ppb (6) 1.5 ppb (1) 6.3 ppb (6) 5.0 ppb (5) 5.5 ppb (5) 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 26.0 μg/m3 (24) 8.0 μg/m3 (33) 40.0
 
July 2, 2020, 10 p.m. 7.4 ppb (7) 1.5 ppb (1) 7.0 ppb (6) 6.0 ppb (6) 6.2 ppb (6) 0.0 ppb (0) 60.0 ppb (46) 0.21 ppb (2) 35.0 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
July 2, 2020, 9 p.m. 8.4 ppb (8) 1.7 ppb (2) 8.0 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 0.0 ppb (0) 58.0 ppb (45) 0.21 ppb (2) 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
July 2, 2020, 8 p.m. 9.0 ppb (8) 1.8 ppb (2) 8.8 ppb (8) 7.0 ppb (6) 7.6 ppb (7) 0.0 ppb (0) 56.0 ppb (43) 0.21 ppb (2) 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
July 2, 2020, 7 p.m. 14.1 ppb (13) 3.1 ppb (3) 13.2 ppb (12) 11.0 ppb (10) 10.7 ppb (10) 0.0 ppb (0) 52.0 ppb (40) 0.21 ppb (2) 35.0 μg/m3 (32) 18.0 μg/m3 (63) 63.0
 
July 2, 2020, 6 p.m. 17.1 ppb (16) 4.6 ppb (4) 16.0 ppb (15) 13.0 ppb (12) 11.8 ppb (11) 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) 35.0 μg/m3 (32) 17.0 μg/m3 (61) 61.0
 
July 2, 2020, 5 p.m. 10.8 ppb (10) 2.9 ppb (3) 11.1 ppb (10) 8.0 ppb (7) 8.8 ppb (8) 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) N/A N/A 30.0
 
July 2, 2020, 4 p.m. 10.8 ppb (10) 2.6 ppb (2) 8.8 ppb (8) 8.0 ppb (7) 6.9 ppb (6) 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
July 2, 2020, 3 p.m. 11.9 ppb (11) 2.7 ppb (3) 9.2 ppb (9) 9.0 ppb (8) 7.4 ppb (7) 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
July 2, 2020, 2 p.m. 12.3 ppb (11) 3.6 ppb (3) 7.0 ppb (6) 9.0 ppb (8) 5.6 ppb (5) 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 20.0 μg/m3 (18) 15.0 μg/m3 (56) 56.0
 
July 2, 2020, 1 p.m. 10.3 ppb (10) 1.6 ppb (1) 7.0 ppb (6) 9.0 ppb (8) 6.2 ppb (6) 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
July 2, 2020, noon 7.1 ppb (7) 1.5 ppb (1) 4.0 ppb (4) 6.0 ppb (6) 3.9 ppb (4) 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 2, 2020, 11 a.m. 7.1 ppb (7) 1.0 ppb (1) 4.9 ppb (5) 6.0 ppb (6) 4.7 ppb (4) 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 10 a.m. 8.4 ppb (8) 1.0 ppb (1) 6.1 ppb (6) 7.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
July 2, 2020, 9 a.m. 7.6 ppb (7) 1.0 ppb (1) 5.5 ppb (5) 7.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 8 a.m. 7.1 ppb (7) 1.0 ppb (1) 4.8 ppb (4) 6.0 ppb (6) 4.7 ppb (4) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 2, 2020, 7 a.m. 5.1 ppb (5) 0.9 ppb (1) 3.5 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 6 a.m. 4.6 ppb (4) 0.8 ppb (1) 3.1 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 5 a.m. 4.6 ppb (4) 0.8 ppb (1) 3.3 ppb (3) 4.0 ppb (4) 3.3 ppb (3) 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 2, 2020, 4 a.m. 5.2 ppb (5) 0.9 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 3 a.m. 5.1 ppb (5) 0.9 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 2 a.m. 6.3 ppb (6) 1.2 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 1 a.m. 8.2 ppb (8) 1.9 ppb (2) 7.2 ppb (7) 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
July 2, 2020, midnight 8.0 ppb (7) 1.9 ppb (2) 7.3 ppb (7) 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 40.0 ppb (31) 0.17 ppb (2) 35.0 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 11 p.m. 9.2 ppb (9) 2.0 ppb (2) 9.0 ppb (8) 7.0 ppb (6) 7.5 ppb (7) 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 10 p.m. 9.3 ppb (9) 1.9 ppb (2) 9.3 ppb (9) 7.0 ppb (6) 8.0 ppb (7) 0.0 ppb (0) 53.0 ppb (41) 0.19 ppb (2) 39.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 9 p.m. 12.8 ppb (12) 2.7 ppb (3) 12.9 ppb (12) 10.0 ppb (9) 11.1 ppb (10) 0.0 ppb (0) 55.0 ppb (42) 0.24 ppb (3) 32.0 μg/m3 (29) 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 8 p.m. 15.4 ppb (14) 3.9 ppb (4) 18.1 ppb (17) 12.0 ppb (11) 14.8 ppb (14) 0.0 ppb (0) 46.0 ppb (35) 0.22 ppb (2) 35.0 μg/m3 (32) 16.0 μg/m3 (59) 59.0
 
July 1, 2020, 7 p.m. 17.4 ppb (16) 4.4 ppb (4) 19.2 ppb (18) 13.0 ppb (12) 15.3 ppb (14) 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) 38.0 μg/m3 (35) 18.0 μg/m3 (63) 63.0
 
July 1, 2020, 6 p.m. 16.8 ppb (16) 4.2 ppb (4) 14.8 ppb (14) 13.0 ppb (12) 11.2 ppb (10) 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) 35.0 μg/m3 (32) 16.0 μg/m3 (59) 59.0
 
July 1, 2020, 5 p.m. 14.9 ppb (14) 4.2 ppb (4) 11.9 ppb (11) 11.0 ppb (10) 8.4 ppb (8) 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 4 p.m. 15.7 ppb (15) 4.1 ppb (4) 11.2 ppb (10) 12.0 ppb (11) 8.8 ppb (8) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 35.0 μg/m3 (32) 19.0 μg/m3 (65) 65.0
 
July 1, 2020, 3 p.m. 16.8 ppb (16) 4.0 ppb (4) 13.1 ppb (12) 13.0 ppb (12) 10.2 ppb (9) 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 35.0 μg/m3 (32) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 2 p.m. 19.7 ppb (18) 3.5 ppb (3) 15.4 ppb (14) 16.0 ppb (15) 13.1 ppb (12) N/A 21.0 ppb (16) N/A 31.0 μg/m3 (28) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 1 p.m. 14.8 ppb (14) 1.8 ppb (2) 10.8 ppb (10) 13.0 ppb (12) 9.4 ppb (9) 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
July 1, 2020, noon 12.0 ppb (11) 1.5 ppb (1) 7.8 ppb (7) 11.0 ppb (10) 7.2 ppb (7) 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 1, 2020, 11 a.m. 16.7 ppb (15) 3.0 ppb (3) 10.3 ppb (10) 14.0 ppb (13) 7.6 ppb (7) 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 39.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 10 a.m. 12.8 ppb (12) 1.3 ppb (1) 9.3 ppb (9) 11.0 ppb (10) 9.0 ppb (8) 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 9 a.m. 10.8 ppb (10) 1.2 ppb (1) 7.5 ppb (7) 10.0 ppb (9) 7.2 ppb (7) 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
July 1, 2020, 8 a.m. 11.4 ppb (11) 1.2 ppb (1) 9.2 ppb (9) 10.0 ppb (9) 9.0 ppb (8) 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) 27.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
July 1, 2020, 7 a.m. 9.3 ppb (9) 0.9 ppb (1) 7.3 ppb (7) 8.0 ppb (7) 7.3 ppb (7) 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 6 a.m. 5.7 ppb (5) 0.8 ppb (1) 3.9 ppb (4) 5.0 ppb (5) 3.9 ppb (4) 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
July 1, 2020, 5 a.m. 4.9 ppb (5) 1.0 ppb (1) 2.7 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 1, 2020, 4 a.m. 4.4 ppb (4) 0.9 ppb (1) 2.6 ppb (2) 3.0 ppb (3) 2.5 ppb (2) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 28.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 1, 2020, 3 a.m. 3.9 ppb (4) 1.0 ppb (1) 1.8 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
July 1, 2020, 2 a.m. 4.8 ppb (4) 1.2 ppb (1) 2.7 ppb (3) 4.0 ppb (4) 2.4 ppb (2) 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 22.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
July 1, 2020, 1 a.m. 4.5 ppb (4) 1.5 ppb (1) 2.6 ppb (2) 3.0 ppb (3) 1.9 ppb (2) 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 24.0
 
July 1, 2020, midnight 4.2 ppb (4) 1.6 ppb (1) 2.5 ppb (2) 3.0 ppb (3) 1.7 ppb (2) 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 22.0 μg/m3 (20) 8.0 μg/m3 (33) 33.0
 
June 30, 2020, 11 p.m. 4.5 ppb (4) 1.6 ppb (1) 2.7 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
June 30, 2020, 10 p.m. 4.4 ppb (4) 1.5 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.18 ppb (2) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
June 30, 2020, 9 p.m. 5.2 ppb (5) 1.7 ppb (2) 3.9 ppb (4) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
June 30, 2020, 8 p.m. 4.9 ppb (5) 1.6 ppb (1) 3.5 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 0.0 ppb (0) 43.0 ppb (33) 0.18 ppb (2) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
June 30, 2020, 7 p.m. 5.5 ppb (5) 1.7 ppb (2) 4.0 ppb (4) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.19 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
June 30, 2020, 6 p.m. 7.1 ppb (7) 2.1 ppb (2) 5.5 ppb (5) 5.0 ppb (5) 4.1 ppb (4) 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 25.0 μg/m3 (23) 8.0 μg/m3 (33) 33.0
 
June 30, 2020, 5 p.m. 9.8 ppb (9) 3.2 ppb (3) 7.3 ppb (7) 7.0 ppb (6) 4.8 ppb (4) 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
June 30, 2020, 4 p.m. 7.1 ppb (7) 2.4 ppb (2) 5.3 ppb (5) 5.0 ppb (5) 3.5 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
June 30, 2020, 3 p.m. 10.5 ppb (10) 4.2 ppb (4) 7.2 ppb (7) 6.0 ppb (6) 3.9 ppb (4) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
June 30, 2020, 2 p.m. 17.3 ppb (16) 6.0 ppb (6) 11.9 ppb (11) 11.0 ppb (10) 7.1 ppb (7) 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0