ID: 146

AQSQID: 060370016

Site Name: Glendora - Laurel

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

Updated: July 7, 2020, 9:33 a.m.

Location: Glendora (Downtown), CA

Reporting: True, Located: True

Current AQI: 64.0

Glendora (Downtown) CA, US: 34.1439, -117.8508

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2020, 8 a.m. 13.4 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.24 ppb (3) 29.0 μg/m3 (26) 18.4 μg/m3 (64) 64.0
 
July 7, 2020, 7 a.m. 11.5 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.24 ppb (3) 31.0 μg/m3 (28) 22.0 μg/m3 (71) 71.0
 
July 7, 2020, 6 a.m. 11.4 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) 0.26 ppb (3) 36.0 μg/m3 (33) 21.0 μg/m3 (69) 69.0
 
July 7, 2020, 5 a.m. 12.4 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 35.0 ppb (27) 0.26 ppb (3) 34.0 μg/m3 (31) 20.5 μg/m3 (68) 68.0
 
July 7, 2020, 4 a.m. 13.9 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 39.0 ppb (30) 0.25 ppb (3) 41.0 μg/m3 (37) 21.3 μg/m3 (70) 70.0
 
July 7, 2020, 3 a.m. 14.9 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 48.0 ppb (37) 0.27 ppb (3) 44.0 μg/m3 (40) 22.2 μg/m3 (72) 72.0
 
July 7, 2020, 2 a.m. 8.4 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 48.0 ppb (37) 0.17 ppb (2) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
July 7, 2020, 1 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.13 ppb (1) 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
July 7, 2020, midnight 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 72.0 ppb (56) 0.15 ppb (2) 23.0 μg/m3 (21) 11.9 μg/m3 (50) 56.0
 
July 6, 2020, 11 p.m. 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (64) 0.17 ppb (2) 31.0 μg/m3 (28) 11.9 μg/m3 (50) 64.0
 
July 6, 2020, 10 p.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 82.0 ppb (64) 0.16 ppb (2) 29.0 μg/m3 (26) 11.9 μg/m3 (50) 64.0
 
July 6, 2020, 9 p.m. 5.4 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 89.0 ppb (70) 0.18 ppb (2) 37.0 μg/m3 (34) 15.1 μg/m3 (57) 70.0
 
July 6, 2020, 8 p.m. 8.8 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 100.0 ppb (79) 0.25 ppb (3) 50.0 μg/m3 (45) 21.3 μg/m3 (70) 79.0
 
July 6, 2020, 7 p.m. 11.6 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 94.0 ppb (74) 0.29 ppb (3) 51.0 μg/m3 (46) 23.7 μg/m3 (75) 75.0
 
July 6, 2020, 6 p.m. 14.3 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 79.0 ppb (62) 0.31 ppb (3) 44.0 μg/m3 (40) 22.0 μg/m3 (71) 71.0
 
July 6, 2020, 5 p.m. 23.8 ppb (22) 3.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 58.0 ppb (45) 0.37 ppb (4) 52.0 μg/m3 (47) 23.5 μg/m3 (74) 74.0
 
July 6, 2020, 4 p.m. 23.7 ppb (22) 4.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 46.0 ppb (35) 0.34 ppb (4) 43.0 μg/m3 (39) 17.4 μg/m3 (61) 61.0
 
July 6, 2020, 3 p.m. 8.4 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) 0.21 ppb (2) 35.0 μg/m3 (32) 16.6 μg/m3 (60) 60.0
 
July 6, 2020, 2 p.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.19 ppb (2) 23.0 μg/m3 (21) 15.9 μg/m3 (58) 58.0
 
July 6, 2020, 1 p.m. 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.13 ppb (1) 20.0 μg/m3 (18) 13.9 μg/m3 (54) 54.0
 
July 6, 2020, noon 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.17 ppb (2) 21.0 μg/m3 (19) 16.4 μg/m3 (59) 59.0
 
July 6, 2020, 11 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.21 ppb (2) 26.0 μg/m3 (24) 20.3 μg/m3 (68) 68.0
 
July 6, 2020, 10 a.m. 5.8 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.18 ppb (2) 26.0 μg/m3 (24) 21.5 μg/m3 (70) 70.0
 
July 6, 2020, 9 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.18 ppb (2) 24.0 μg/m3 (22) 22.5 μg/m3 (72) 72.0
 
July 6, 2020, 8 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.17 ppb (2) 29.0 μg/m3 (26) 21.8 μg/m3 (71) 71.0
 
July 6, 2020, 7 a.m. 5.2 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.19 ppb (2) 33.0 μg/m3 (30) 25.7 μg/m3 (79) 79.0
 
July 6, 2020, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.19 ppb (2) 29.0 μg/m3 (26) 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 5 a.m. 4.9 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.18 ppb (2) 22.0 μg/m3 (20) 19.3 μg/m3 (66) 66.0
 
July 6, 2020, 4 a.m. 4.7 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (38) 0.18 ppb (2) 31.0 μg/m3 (28) 17.4 μg/m3 (61) 61.0
 
July 6, 2020, 3 a.m. 5.9 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.18 ppb (2) 27.0 μg/m3 (25) 17.6 μg/m3 (62) 62.0
 
July 6, 2020, 2 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 60.0 ppb (46) 0.18 ppb (2) 31.0 μg/m3 (28) 21.8 μg/m3 (71) 71.0
 
July 6, 2020, 1 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (59) 0.18 ppb (2) 45.0 μg/m3 (41) 24.7 μg/m3 (77) 77.0
 
July 6, 2020, midnight 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 83.0 ppb (65) 0.2 ppb (2) 55.0 μg/m3 (50) 35.7 μg/m3 (100) 100.0
 
July 5, 2020, 11 p.m. 5.8 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 98.0 ppb (78) 0.22 ppb (2) 57.0 μg/m3 (51) 40.9 μg/m3 (114) 114.0
 
July 5, 2020, 10 p.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 96.0 ppb (76) 0.2 ppb (2) 50.0 μg/m3 (45) 31.1 μg/m3 (91) 91.0
 
July 5, 2020, 9 p.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 82.0 ppb (64) 0.17 ppb (2) 51.0 μg/m3 (46) 36.2 μg/m3 (102) 102.0
 
July 5, 2020, 8 p.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 91.0 ppb (72) 0.21 ppb (2) 77.0 μg/m3 (61) 62.4 μg/m3 (154) 154.0
 
July 5, 2020, 7 p.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (64) 0.22 ppb (2) 67.0 μg/m3 (56) 50.8 μg/m3 (138) 138.0
 
July 5, 2020, 6 p.m. 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 73.0 ppb (57) 0.26 ppb (3) 78.0 μg/m3 (62) 67.0 μg/m3 (156) 156.0
 
July 5, 2020, 5 p.m. 10.9 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 57.0 ppb (44) 0.3 ppb (3) 107.0 μg/m3 (76) 81.8 μg/m3 (164) 164.0
 
July 5, 2020, 4 p.m. 13.2 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A 40.0 ppb (31) 0.29 ppb (3) 102.0 μg/m3 (74) 78.1 μg/m3 (162) 162.0
 
July 5, 2020, 3 p.m. 8.2 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.23 ppb (3) 88.0 μg/m3 (66) 69.8 μg/m3 (158) 158.0
 
July 5, 2020, 2 p.m. 7.1 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.2 ppb (2) 70.0 μg/m3 (58) 60.6 μg/m3 (153) 153.0
 
July 5, 2020, 1 p.m. 7.5 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.2 ppb (2) 70.0 μg/m3 (58) 60.9 μg/m3 (153) 153.0
 
July 5, 2020, noon 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.17 ppb (2) 36.0 μg/m3 (33) 36.4 μg/m3 (102) 102.0
 
July 5, 2020, 11 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.16 ppb (2) 27.0 μg/m3 (25) 21.8 μg/m3 (71) 71.0
 
July 5, 2020, 10 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.17 ppb (2) 27.0 μg/m3 (25) 20.7 μg/m3 (69) 69.0
 
July 5, 2020, 9 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.18 ppb (2) 36.0 μg/m3 (33) 28.4 μg/m3 (85) 85.0
 
July 5, 2020, 8 a.m. 6.1 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.19 ppb (2) 69.0 μg/m3 (57) 58.9 μg/m3 (152) 152.0
 
July 5, 2020, 7 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.24 ppb (3) 125.0 μg/m3 (85) 108.1 μg/m3 (178) 178.0
 
July 5, 2020, 6 a.m. 8.7 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.25 ppb (3) 141.0 μg/m3 (93) 129.1 μg/m3 (189) 189.0
 
July 5, 2020, 5 a.m. 8.4 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.24 ppb (3) 103.0 μg/m3 (74) 89.3 μg/m3 (168) 168.0
 
July 5, 2020, 4 a.m. 15.7 ppb (15) 0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 22.0 ppb (17) 0.31 ppb (3) 276.0 μg/m3 (160) 227.6 μg/m3 (277) 277.0
 
July 5, 2020, 3 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.24 ppb (3) 53.0 μg/m3 (48) 39.9 μg/m3 (111) 111.0
 
July 5, 2020, 2 a.m. 5.1 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.2 ppb (2) 26.0 μg/m3 (24) 15.4 μg/m3 (57) 57.0
 
July 5, 2020, 1 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (37) 0.2 ppb (2) 29.0 μg/m3 (26) 21.5 μg/m3 (70) 70.0
 
July 5, 2020, midnight 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) 0.16 ppb (2) 23.0 μg/m3 (21) 16.9 μg/m3 (60) 60.0
 
July 4, 2020, 11 p.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) 0.14 ppb (2) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
July 4, 2020, 10 p.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) 0.14 ppb (2) 24.0 μg/m3 (22) 11.1 μg/m3 (46) 46.0
 
July 4, 2020, 9 p.m. 5.8 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 89.0 ppb (70) 0.23 ppb (3) 43.0 μg/m3 (39) 17.8 μg/m3 (62) 70.0
 
July 4, 2020, 8 p.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 99.0 ppb (78) 0.26 ppb (3) 32.0 μg/m3 (29) 17.4 μg/m3 (61) 78.0
 
July 4, 2020, 7 p.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 88.0 ppb (69) 0.24 ppb (3) 37.0 μg/m3 (34) 15.1 μg/m3 (57) 69.0
 
July 4, 2020, 6 p.m. 8.1 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 76.0 ppb (59) 0.28 ppb (3) 31.0 μg/m3 (28) 16.1 μg/m3 (59) 59.0
 
July 4, 2020, 5 p.m. 12.7 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 61.0 ppb (47) 0.35 ppb (4) 36.0 μg/m3 (33) 14.6 μg/m3 (56) 56.0
 
July 4, 2020, 4 p.m. 15.1 ppb (14) 2.9 ppb (3) N/A 12.0 ppb (11) N/A N/A 43.0 ppb (33) 0.34 ppb (4) 24.0 μg/m3 (22) 12.9 μg/m3 (52) 52.0
 
July 4, 2020, 3 p.m. 12.4 ppb (11) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.29 ppb (3) 29.0 μg/m3 (26) 13.4 μg/m3 (53) 53.0
 
July 4, 2020, 2 p.m. 8.4 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.23 ppb (3) 22.0 μg/m3 (20) 13.9 μg/m3 (54) 54.0
 
July 4, 2020, 1 p.m. 7.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 16.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
July 4, 2020, noon 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.22 ppb (2) 20.0 μg/m3 (18) 12.8 μg/m3 (52) 52.0
 
July 4, 2020, 11 a.m. 8.8 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.24 ppb (3) 20.0 μg/m3 (18) 17.4 μg/m3 (61) 61.0
 
July 4, 2020, 10 a.m. 9.0 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.24 ppb (3) 30.0 μg/m3 (27) 19.0 μg/m3 (65) 65.0
 
July 4, 2020, 9 a.m. 10.6 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.26 ppb (3) 22.0 μg/m3 (20) 17.4 μg/m3 (61) 61.0
 
July 4, 2020, 8 a.m. 10.9 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.26 ppb (3) 27.0 μg/m3 (25) 23.7 μg/m3 (75) 75.0
 
July 4, 2020, 7 a.m. 11.9 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.28 ppb (3) 27.0 μg/m3 (25) 21.5 μg/m3 (70) 70.0
 
July 4, 2020, 6 a.m. 11.7 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.29 ppb (3) 29.0 μg/m3 (26) 17.4 μg/m3 (61) 61.0
 
July 4, 2020, 5 a.m. 11.0 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.29 ppb (3) 21.0 μg/m3 (19) 14.6 μg/m3 (56) 56.0
 
July 4, 2020, 4 a.m. 9.2 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) 0.26 ppb (3) 22.0 μg/m3 (20) 8.5 μg/m3 (35) 35.0
 
July 4, 2020, 3 a.m. 10.3 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.27 ppb (3) 30.0 μg/m3 (27) 15.3 μg/m3 (57) 57.0
 
July 4, 2020, 2 a.m. 8.3 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 55.0 ppb (42) 0.22 ppb (2) 23.0 μg/m3 (21) 12.1 μg/m3 (50) 50.0
 
July 4, 2020, 1 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 63.0 ppb (48) 0.19 ppb (2) 25.0 μg/m3 (23) 10.2 μg/m3 (42) 48.0
 
July 4, 2020, midnight 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 85.0 ppb (67) 0.22 ppb (2) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 67.0
 
July 3, 2020, 11 p.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 98.0 ppb (78) 0.23 ppb (3) 40.0 μg/m3 (36) 13.4 μg/m3 (53) 78.0
 
July 3, 2020, 10 p.m. 6.3 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 99.0 ppb (78) 0.23 ppb (3) 36.0 μg/m3 (33) 12.6 μg/m3 (51) 78.0
 
July 3, 2020, 9 p.m. 7.0 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 83.0 ppb (65) 0.21 ppb (2) 24.0 μg/m3 (22) 10.4 μg/m3 (43) 65.0
 
July 3, 2020, 8 p.m. 6.2 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 72.0 ppb (56) 0.18 ppb (2) 27.0 μg/m3 (25) 12.9 μg/m3 (52) 56.0
 
July 3, 2020, 7 p.m. 8.8 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 70.0 ppb (54) 0.21 ppb (2) 20.0 μg/m3 (18) 11.1 μg/m3 (46) 54.0
 
July 3, 2020, 6 p.m. 13.3 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 62.0 ppb (48) 0.26 ppb (3) 27.0 μg/m3 (25) 13.1 μg/m3 (52) 52.0
 
July 3, 2020, 5 p.m. 19.9 ppb (18) 3.7 ppb (3) N/A 16.0 ppb (15) N/A N/A 50.0 ppb (38) 0.33 ppb (4) 31.0 μg/m3 (28) 11.9 μg/m3 (50) 50.0
 
July 3, 2020, 4 p.m. 10.9 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 51.0 ppb (39) 0.23 ppb (3) 20.0 μg/m3 (18) 7.3 μg/m3 (30) 39.0
 
July 3, 2020, 3 p.m. 11.2 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) 0.22 ppb (2) 20.0 μg/m3 (18) 10.1 μg/m3 (42) 42.0
 
July 3, 2020, 2 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.13 ppb (1) 14.0 μg/m3 (13) 4.9 μg/m3 (20) 35.0
 
July 3, 2020, 1 p.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.18 ppb (2) 66.0 μg/m3 (56) 9.5 μg/m3 (40) 56.0
 
July 3, 2020, noon 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.16 ppb (2) 15.0 μg/m3 (14) 11.6 μg/m3 (48) 48.0
 
July 3, 2020, 11 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.16 ppb (2) 16.0 μg/m3 (15) 14.4 μg/m3 (55) 55.0
 
July 3, 2020, 10 a.m. 6.9 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.17 ppb (2) 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
July 3, 2020, 9 a.m. 7.3 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.17 ppb (2) 17.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
July 3, 2020, 8 a.m. 7.4 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.17 ppb (2) 22.0 μg/m3 (20) 14.6 μg/m3 (56) 56.0
 
July 3, 2020, 7 a.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.19 ppb (2) 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
July 3, 2020, 6 a.m. 9.9 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.19 ppb (2) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 5 a.m. 10.8 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.19 ppb (2) 25.0 μg/m3 (23) 16.1 μg/m3 (59) 59.0
 
July 3, 2020, 4 a.m. 10.4 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.19 ppb (2) 23.0 μg/m3 (21) 18.4 μg/m3 (64) 64.0
 
July 3, 2020, 3 a.m. 10.5 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.19 ppb (2) 29.0 μg/m3 (26) 12.6 μg/m3 (51) 51.0
 
July 3, 2020, 2 a.m. 10.7 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 49.0 ppb (38) 0.19 ppb (2) 30.0 μg/m3 (27) 17.6 μg/m3 (62) 62.0
 
July 3, 2020, 1 a.m. 8.7 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 69.0 ppb (53) 0.19 ppb (2) 37.0 μg/m3 (34) 19.8 μg/m3 (67) 67.0
 
July 3, 2020, midnight 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 80.0 ppb (62) 0.17 ppb (2) 33.0 μg/m3 (30) 14.4 μg/m3 (55) 62.0
 
July 2, 2020, 11 p.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 81.0 ppb (63) 0.14 ppb (2) 27.0 μg/m3 (25) 12.9 μg/m3 (52) 63.0
 
July 2, 2020, 10 p.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (64) 0.17 ppb (2) 31.0 μg/m3 (28) 15.1 μg/m3 (57) 64.0
 
July 2, 2020, 9 p.m. 5.9 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 79.0 ppb (62) 0.18 ppb (2) 35.0 μg/m3 (32) 13.1 μg/m3 (52) 62.0
 
July 2, 2020, 8 p.m. 7.9 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 67.0 ppb (52) 0.18 ppb (2) 40.0 μg/m3 (36) 15.1 μg/m3 (57) 57.0
 
July 2, 2020, 7 p.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (45) 0.18 ppb (2) 34.0 μg/m3 (31) 13.9 μg/m3 (54) 54.0
 
July 2, 2020, 6 p.m. 7.3 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (38) 0.19 ppb (2) 30.0 μg/m3 (27) 15.3 μg/m3 (57) 57.0
 
July 2, 2020, 5 p.m. 10.2 ppb (9) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) 0.2 ppb (2) 28.0 μg/m3 (25) 18.5 μg/m3 (64) 64.0
 
July 2, 2020, 4 p.m. 9.0 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.18 ppb (2) 28.0 μg/m3 (25) 16.1 μg/m3 (59) 59.0
 
July 2, 2020, 3 p.m. 6.4 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
July 2, 2020, 2 p.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.14 ppb (2) 25.0 μg/m3 (23) 14.6 μg/m3 (56) 56.0
 
July 2, 2020, 1 p.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.14 ppb (2) 14.0 μg/m3 (13) 15.1 μg/m3 (57) 57.0
 
July 2, 2020, noon 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.13 ppb (1) 9.0 μg/m3 (8) 11.6 μg/m3 (48) 48.0
 
July 2, 2020, 11 a.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 15.0 μg/m3 (14) 12.9 μg/m3 (52) 52.0
 
July 2, 2020, 10 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.14 ppb (2) 15.0 μg/m3 (14) 11.9 μg/m3 (50) 50.0
 
July 2, 2020, 9 a.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.14 ppb (2) 20.0 μg/m3 (18) 14.4 μg/m3 (55) 55.0
 
July 2, 2020, 8 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.12 ppb (1) 27.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
July 2, 2020, 7 a.m. 8.9 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.13 ppb (1) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 6 a.m. 10.3 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.15 ppb (2) 27.0 μg/m3 (25) 13.7 μg/m3 (54) 54.0
 
July 2, 2020, 5 a.m. 10.3 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.15 ppb (2) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
July 2, 2020, 4 a.m. 9.4 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 29.0 μg/m3 (26) 11.7 μg/m3 (49) 49.0
 
July 2, 2020, 3 a.m. 10.8 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.16 ppb (2) 24.0 μg/m3 (22) 11.7 μg/m3 (49) 49.0
 
July 2, 2020, 2 a.m. 11.2 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 44.0 ppb (34) 0.17 ppb (2) 22.0 μg/m3 (20) 8.7 μg/m3 (36) 36.0
 
July 2, 2020, 1 a.m. 10.1 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 63.0 ppb (48) 0.18 ppb (2) 32.0 μg/m3 (29) 9.2 μg/m3 (38) 48.0
 
July 2, 2020, midnight 6.8 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 81.0 ppb (63) 0.18 ppb (2) 33.0 μg/m3 (30) 14.6 μg/m3 (56) 63.0
 
July 1, 2020, 11 p.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 77.0 ppb (60) 0.19 ppb (2) 38.0 μg/m3 (35) 17.4 μg/m3 (61) 61.0
 
July 1, 2020, 10 p.m. 7.9 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 69.0 ppb (53) 0.2 ppb (2) 35.0 μg/m3 (32) 21.0 μg/m3 (69) 69.0
 
July 1, 2020, 9 p.m. 9.4 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 58.0 ppb (45) 0.19 ppb (2) 36.0 μg/m3 (33) 18.4 μg/m3 (64) 64.0
 
July 1, 2020, 8 p.m. 8.6 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 52.0 ppb (40) 0.18 ppb (2) 43.0 μg/m3 (39) 14.8 μg/m3 (56) 56.0
 
July 1, 2020, 7 p.m. 7.5 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.17 ppb (2) 38.0 μg/m3 (35) 13.1 μg/m3 (52) 52.0
 
July 1, 2020, 6 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.16 ppb (2) 24.0 μg/m3 (22) 17.6 μg/m3 (62) 62.0
 
July 1, 2020, 5 p.m. 9.4 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.17 ppb (2) 38.0 μg/m3 (35) 16.9 μg/m3 (60) 60.0
 
July 1, 2020, 4 p.m. 9.3 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.19 ppb (2) 40.0 μg/m3 (36) 13.1 μg/m3 (52) 52.0
 
July 1, 2020, 3 p.m. 7.7 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.16 ppb (2) 29.0 μg/m3 (26) 11.9 μg/m3 (50) 50.0
 
July 1, 2020, 2 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.13 ppb (1) 24.0 μg/m3 (22) 17.1 μg/m3 (61) 61.0
 
July 1, 2020, 1 p.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.13 ppb (1) 24.0 μg/m3 (22) 15.6 μg/m3 (58) 58.0
 
July 1, 2020, noon 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.13 ppb (1) 15.0 μg/m3 (14) 12.9 μg/m3 (52) 52.0
 
July 1, 2020, 11 a.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.14 ppb (2) 17.0 μg/m3 (15) 12.6 μg/m3 (51) 51.0
 
July 1, 2020, 10 a.m. 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.15 ppb (2) 28.0 μg/m3 (25) 15.6 μg/m3 (58) 58.0
 
July 1, 2020, 9 a.m. 7.3 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) 0.15 ppb (2) 28.0 μg/m3 (25) 13.1 μg/m3 (52) 52.0
 
July 1, 2020, 8 a.m. 7.3 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.15 ppb (2) 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
July 1, 2020, 7 a.m. 6.8 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.14 ppb (2) 19.0 μg/m3 (17) 12.9 μg/m3 (52) 52.0
 
July 1, 2020, 6 a.m. 7.0 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.14 ppb (2) 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
July 1, 2020, 5 a.m. 7.7 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 21.0 μg/m3 (19) 12.9 μg/m3 (52) 52.0
 
July 1, 2020, 4 a.m. 8.9 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.14 ppb (2) 20.0 μg/m3 (18) 12.1 μg/m3 (50) 50.0
 
July 1, 2020, 3 a.m. 8.3 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.14 ppb (2) 23.0 μg/m3 (21) 10.4 μg/m3 (43) 43.0
 
July 1, 2020, 2 a.m. 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.14 ppb (2) 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
July 1, 2020, 1 a.m. 7.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) 0.14 ppb (2) 36.0 μg/m3 (33) 14.6 μg/m3 (56) 56.0
 
July 1, 2020, midnight 6.4 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (40) 0.15 ppb (2) 35.0 μg/m3 (32) 15.1 μg/m3 (57) 57.0
 
June 30, 2020, 11 p.m. 6.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 61.0 ppb (47) 0.16 ppb (2) 40.0 μg/m3 (36) 15.9 μg/m3 (58) 58.0
 
June 30, 2020, 10 p.m. 7.5 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 73.0 ppb (57) 0.18 ppb (2) 47.0 μg/m3 (43) 19.5 μg/m3 (66) 66.0
 
June 30, 2020, 9 p.m. 8.4 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 71.0 ppb (55) 0.19 ppb (2) 44.0 μg/m3 (40) 11.5 μg/m3 (48) 55.0
 
June 30, 2020, 8 p.m. 7.5 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 59.0 ppb (45) 0.17 ppb (2) 36.0 μg/m3 (33) 9.9 μg/m3 (41) 45.0
 
June 30, 2020, 7 p.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) 0.15 ppb (2) 37.0 μg/m3 (34) 9.9 μg/m3 (41) 41.0
 
June 30, 2020, 6 p.m. 8.4 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.15 ppb (2) 32.0 μg/m3 (29) 12.4 μg/m3 (51) 51.0
 
June 30, 2020, 5 p.m. 9.9 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.16 ppb (2) 25.0 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
June 30, 2020, 4 p.m. 9.9 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.15 ppb (2) 24.0 μg/m3 (22) 12.9 μg/m3 (52) 52.0
 
June 30, 2020, 3 p.m. 8.6 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.14 ppb (2) 24.0 μg/m3 (22) 11.9 μg/m3 (50) 50.0
 
June 30, 2020, 2 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.13 ppb (1) 20.0 μg/m3 (18) 10.9 μg/m3 (45) 45.0
 
June 30, 2020, 1 p.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.12 ppb (1) 17.0 μg/m3 (15) 11.4 μg/m3 (48) 48.0
 
June 30, 2020, noon 5.7 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.12 ppb (1) 18.0 μg/m3 (16) 16.1 μg/m3 (59) 59.0
 
June 30, 2020, 11 a.m. 11.0 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.14 ppb (2) 18.0 μg/m3 (16) 8.7 μg/m3 (36) 36.0
 
June 30, 2020, 10 a.m. 10.7 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.13 ppb (1) 19.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
June 30, 2020, 9 a.m. 10.0 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.13 ppb (1) 17.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0