ID: 146

AQSQID: 060370016

Site Name: Glendora - Laurel

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

Updated: June 19, 2021, 9:51 a.m.

Location: Glendora (Downtown), CA

Reporting: True, Located: True

Current AQI: 54.0

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
June 19, 2021, 8 a.m. 15.2 ppb (15) 1.1 ppb (2) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.26 ppb (4) 24.0 μg/m3 (23) 13.1 μg/m3 (54) 54.0
 
June 19, 2021, 7 a.m. 16.4 ppb (16) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.27 ppb (4) 25.0 μg/m3 (24) 16.6 μg/m3 (61) 61.0
 
June 19, 2021, 6 a.m. 15.4 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.27 ppb (4) 32.0 μg/m3 (30) 13.7 μg/m3 (55) 55.0
 
June 19, 2021, 5 a.m. 15.7 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (15) N/A N/A 14.0 ppb (13) 0.27 ppb (4) 27.0 μg/m3 (25) 14.4 μg/m3 (56) 56.0
 
June 19, 2021, 4 a.m. 14.6 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) 0.25 ppb (3) 31.0 μg/m3 (29) 13.6 μg/m3 (55) 55.0
 
June 19, 2021, 3 a.m. 14.4 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) 0.27 ppb (4) 36.0 μg/m3 (34) 19.3 μg/m3 (67) 67.0
 
June 19, 2021, 2 a.m. 13.8 ppb (14) 1.3 ppb (2) N/A 13.0 ppb (13) N/A N/A 35.0 ppb (33) 0.25 ppb (3) 38.0 μg/m3 (36) 15.6 μg/m3 (59) 59.0
 
June 19, 2021, 1 a.m. 13.3 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (12) N/A N/A 43.0 ppb (40) 0.25 ppb (3) 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
June 19, 2021, midnight 14.8 ppb (14) 2.2 ppb (3) N/A 13.0 ppb (13) N/A N/A 53.0 ppb (50) 0.27 ppb (4) 52.0 μg/m3 (49) 15.3 μg/m3 (58) 58.0
 
June 18, 2021, 11 p.m. 18.3 ppb (18) 2.7 ppb (3) N/A 16.0 ppb (16) N/A N/A 63.0 ppb (78) 0.3 ppb (4) 65.0 μg/m3 (56) 26.0 μg/m3 (81) 81.0
 
June 18, 2021, 10 p.m. 14.6 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (13) N/A N/A 82.0 ppb (107) 0.34 ppb (4) 60.0 μg/m3 (54) 19.7 μg/m3 (67) 107.0
 
June 18, 2021, 9 p.m. 14.0 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 81.0 ppb (107) 0.34 ppb (4) N/A 24.0 μg/m3 (77) 107.0
 
June 18, 2021, 8 p.m. 17.5 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (15) N/A N/A 60.0 ppb (68) 0.34 ppb (4) 66.0 μg/m3 (57) 20.5 μg/m3 (69) 69.0
 
June 18, 2021, 7 p.m. 19.9 ppb (19) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 47.0 ppb (44) 0.33 ppb (4) 76.0 μg/m3 (62) 23.2 μg/m3 (75) 75.0
 
June 18, 2021, 6 p.m. 21.4 ppb (21) 5.8 ppb (6) N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.32 ppb (4) N/A 19.5 μg/m3 (67) 67.0
 
June 18, 2021, 5 p.m. 22.8 ppb (22) 8.8 ppb (9) N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.31 ppb (4) -1.0 μg/m3 (0) N/A 22.0
 
June 18, 2021, 4 p.m. 21.9 ppb (21) 9.5 ppb (9) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) 0.29 ppb (4) 56.0 μg/m3 (52) 11.1 μg/m3 (47) 52.0
 
June 18, 2021, 3 p.m. 23.4 ppb (23) 10.6 ppb (10) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 1.85 ppb (22) 43.0 μg/m3 (40) 16.6 μg/m3 (61) 61.0
 
June 18, 2021, 2 p.m. 22.5 ppb (22) 8.1 ppb (8) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) 2.34 ppb (27) 40.0 μg/m3 (38) 12.6 μg/m3 (53) 53.0
 
June 18, 2021, 1 p.m. 17.8 ppb (17) 3.5 ppb (4) N/A 14.0 ppb (14) N/A N/A 5.0 ppb (5) 2.26 ppb (27) 32.0 μg/m3 (30) 10.7 μg/m3 (45) 45.0
 
June 18, 2021, noon 17.9 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 2.35 ppb (28) 30.0 μg/m3 (28) 16.4 μg/m3 (61) 61.0
 
June 18, 2021, 11 a.m. 16.5 ppb (16) 1.3 ppb (2) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 2.3 ppb (27) 24.0 μg/m3 (23) 17.9 μg/m3 (64) 64.0
 
June 18, 2021, 10 a.m. 16.7 ppb (16) 1.4 ppb (2) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 2.58 ppb (30) 28.0 μg/m3 (26) 13.9 μg/m3 (55) 55.0
 
June 18, 2021, 9 a.m. 16.3 ppb (16) 1.2 ppb (2) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) 2.65 ppb (30) 29.0 μg/m3 (27) 12.4 μg/m3 (52) 52.0
 
June 18, 2021, 8 a.m. 16.2 ppb (16) 1.2 ppb (2) N/A 15.0 ppb (15) N/A N/A 5.0 ppb (5) 2.3 ppb (27) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
June 18, 2021, 7 a.m. 17.3 ppb (17) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) 1.82 ppb (21) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
June 18, 2021, 6 a.m. 17.6 ppb (17) 1.1 ppb (2) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) 1.93 ppb (22) 26.0 μg/m3 (25) 16.9 μg/m3 (62) 62.0
 
June 18, 2021, 5 a.m. 20.7 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (8) 0.47 ppb (6) 32.0 μg/m3 (30) 14.4 μg/m3 (56) 56.0
 
June 18, 2021, 4 a.m. 22.1 ppb (21) 1.0 ppb (1) N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) 0.31 ppb (4) 37.0 μg/m3 (35) 15.6 μg/m3 (59) 59.0
 
June 18, 2021, 3 a.m. 20.0 ppb (19) 1.0 ppb (1) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (19) 0.27 ppb (4) 28.0 μg/m3 (26) 8.3 μg/m3 (35) 35.0
 
June 18, 2021, 2 a.m. 18.7 ppb (18) 1.4 ppb (2) N/A 17.0 ppb (17) N/A N/A 27.0 ppb (25) 0.26 ppb (4) 29.0 μg/m3 (27) 8.5 μg/m3 (36) 36.0
 
June 18, 2021, 1 a.m. 17.3 ppb (17) 2.1 ppb (2) N/A 15.0 ppb (15) N/A N/A 37.0 ppb (35) 0.25 ppb (3) 33.0 μg/m3 (31) 9.7 μg/m3 (41) 41.0
 
June 18, 2021, midnight 16.4 ppb (16) 2.2 ppb (3) N/A 14.0 ppb (14) N/A N/A 52.0 ppb (49) 0.26 ppb (4) 47.0 μg/m3 (44) 10.1 μg/m3 (43) 49.0
 
June 17, 2021, 11 p.m. 18.0 ppb (17) 2.6 ppb (3) N/A 15.0 ppb (15) N/A N/A 56.0 ppb (55) 0.26 ppb (4) 46.0 μg/m3 (43) 12.4 μg/m3 (52) 55.0
 
June 17, 2021, 10 p.m. 15.9 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (14) N/A N/A 79.0 ppb (106) 0.28 ppb (4) 56.0 μg/m3 (52) 8.0 μg/m3 (34) 106.0
 
June 17, 2021, 9 p.m. 12.8 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A N/A 93.0 ppb (113) 0.31 ppb (4) 67.0 μg/m3 (57) 16.1 μg/m3 (60) 113.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 16, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
June 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 56.0 μg/m3 (52) N/A 52.0
 
June 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.44 ppb (5) 71.0 μg/m3 (59) N/A 59.0
 
June 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.45 ppb (6) 64.0 μg/m3 (56) N/A 56.0
 
June 15, 2021, 8 p.m. 16.4 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (15) N/A N/A 101.0 ppb (117) 0.37 ppb (5) 63.0 μg/m3 (55) 15.1 μg/m3 (58) 117.0
 
June 15, 2021, 7 p.m. 15.7 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 74.0 ppb (103) 0.31 ppb (4) 54.0 μg/m3 (50) 9.7 μg/m3 (41) 103.0
 
June 15, 2021, 6 p.m. 30.1 ppb (29) 7.0 ppb (7) N/A 23.0 ppb (22) N/A N/A 49.0 ppb (46) 0.4 ppb (5) 80.0 μg/m3 (64) 16.6 μg/m3 (61) 64.0
 
June 15, 2021, 5 p.m. 35.4 ppb (34) 9.9 ppb (10) N/A 26.0 ppb (25) N/A N/A 33.0 ppb (31) 0.46 ppb (6) 75.0 μg/m3 (61) 12.4 μg/m3 (52) 61.0
 
June 15, 2021, 4 p.m. 29.4 ppb (28) 8.4 ppb (8) N/A 21.0 ppb (20) N/A N/A 25.0 ppb (24) 0.42 ppb (5) 38.0 μg/m3 (36) 10.4 μg/m3 (44) 44.0
 
June 15, 2021, 3 p.m. 22.7 ppb (22) 6.5 ppb (7) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) 0.36 ppb (5) 36.0 μg/m3 (34) 14.1 μg/m3 (56) 56.0
 
June 15, 2021, 2 p.m. 15.0 ppb (15) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.27 ppb (4) 17.0 μg/m3 (16) 6.1 μg/m3 (26) 26.0
 
June 15, 2021, 1 p.m. 13.9 ppb (14) 2.2 ppb (3) N/A 12.0 ppb (12) N/A N/A 11.0 ppb (11) 0.27 ppb (4) 18.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
June 15, 2021, noon 10.9 ppb (11) 1.2 ppb (2) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.22 ppb (3) 21.0 μg/m3 (20) 13.1 μg/m3 (54) 54.0
 
June 15, 2021, 11 a.m. 8.8 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 16.0 ppb (15) 0.2 ppb (3) 18.0 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
June 15, 2021, 10 a.m. 8.5 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.2 ppb (3) 17.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
June 15, 2021, 9 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) 0.2 ppb (3) 14.0 μg/m3 (13) 12.6 μg/m3 (53) 53.0
 
June 15, 2021, 8 a.m. 8.7 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) 0.21 ppb (3) 20.0 μg/m3 (19) 8.7 μg/m3 (37) 37.0
 
June 15, 2021, 7 a.m. 10.7 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.23 ppb (3) 24.0 μg/m3 (23) 10.4 μg/m3 (44) 44.0
 
June 15, 2021, 6 a.m. 12.1 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) 0.26 ppb (4) 25.0 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
June 15, 2021, 5 a.m. 11.3 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.25 ppb (3) 19.0 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
June 15, 2021, 4 a.m. 10.5 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.24 ppb (3) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
June 15, 2021, 3 a.m. 12.1 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) 0.24 ppb (3) 20.0 μg/m3 (19) 7.3 μg/m3 (31) 31.0
 
June 15, 2021, 2 a.m. 12.7 ppb (12) 1.3 ppb (2) N/A 11.0 ppb (11) N/A N/A 27.0 ppb (25) 0.24 ppb (3) 17.0 μg/m3 (16) 7.5 μg/m3 (32) 32.0
 
June 15, 2021, 1 a.m. 11.2 ppb (11) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.23 ppb (3) 21.0 μg/m3 (20) 9.4 μg/m3 (40) 40.0
 
June 15, 2021, midnight 10.0 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 48.0 ppb (45) 0.22 ppb (3) 30.0 μg/m3 (28) 9.0 μg/m3 (38) 45.0
 
June 14, 2021, 11 p.m. 10.5 ppb (10) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 70.0 ppb (100) 0.24 ppb (3) 42.0 μg/m3 (39) 13.4 μg/m3 (54) 100.0
 
June 14, 2021, 10 p.m. 16.4 ppb (16) 2.2 ppb (3) N/A 14.0 ppb (14) N/A N/A 78.0 ppb (105) 0.31 ppb (4) 65.0 μg/m3 (56) 16.0 μg/m3 (60) 105.0
 
June 14, 2021, 9 p.m. 14.8 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A 87.0 ppb (110) 0.34 ppb (4) 51.0 μg/m3 (48) 13.6 μg/m3 (55) 110.0
 
June 14, 2021, 8 p.m. 12.8 ppb (13) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 78.0 ppb (105) 0.3 ppb (4) 46.0 μg/m3 (43) 8.8 μg/m3 (37) 105.0
 
June 14, 2021, 7 p.m. 12.5 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 75.0 ppb (104) 0.31 ppb (4) 52.0 μg/m3 (49) 13.1 μg/m3 (54) 104.0
 
June 14, 2021, 6 p.m. 16.3 ppb (16) 2.9 ppb (3) N/A 13.0 ppb (13) N/A N/A 63.0 ppb (78) 0.35 ppb (4) 50.0 μg/m3 (47) 11.4 μg/m3 (48) 78.0
 
June 14, 2021, 5 p.m. 17.2 ppb (17) 3.4 ppb (4) N/A 14.0 ppb (14) N/A N/A 54.0 ppb (50) 0.36 ppb (5) 37.0 μg/m3 (35) 14.4 μg/m3 (56) 56.0
 
June 14, 2021, 4 p.m. 17.6 ppb (17) 3.9 ppb (4) N/A 14.0 ppb (14) N/A N/A 45.0 ppb (42) 0.34 ppb (4) 34.0 μg/m3 (32) 5.8 μg/m3 (25) 42.0
 
June 14, 2021, 3 p.m. 20.0 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (15) N/A N/A 32.0 ppb (30) 0.34 ppb (4) 35.0 μg/m3 (33) 9.2 μg/m3 (39) 39.0
 
June 14, 2021, 2 p.m. 22.7 ppb (22) 6.2 ppb (6) N/A 17.0 ppb (17) N/A N/A 21.0 ppb (20) 0.38 ppb (5) 26.0 μg/m3 (25) 13.7 μg/m3 (55) 55.0
 
June 14, 2021, 1 p.m. 7.7 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.22 ppb (3) 20.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
June 14, 2021, noon 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 19.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
June 14, 2021, 11 a.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
June 14, 2021, 10 a.m. 5.3 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 21.0 μg/m3 (20) 10.4 μg/m3 (44) 44.0
 
June 14, 2021, 9 a.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) 0.24 ppb (3) 21.0 μg/m3 (20) 9.2 μg/m3 (39) 39.0
 
June 14, 2021, 8 a.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.26 ppb (4) 20.0 μg/m3 (19) 9.7 μg/m3 (41) 41.0
 
June 14, 2021, 7 a.m. 7.8 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.24 ppb (3) 20.0 μg/m3 (19) 11.4 μg/m3 (48) 48.0
 
June 14, 2021, 6 a.m. 8.5 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.25 ppb (3) 24.0 μg/m3 (23) 16.6 μg/m3 (61) 61.0
 
June 14, 2021, 5 a.m. 9.1 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.26 ppb (4) 21.0 μg/m3 (20) 16.9 μg/m3 (62) 62.0
 
June 14, 2021, 4 a.m. 10.1 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.27 ppb (4) 29.0 μg/m3 (27) 11.6 μg/m3 (49) 49.0
 
June 14, 2021, 3 a.m. 9.1 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) 0.25 ppb (3) 25.0 μg/m3 (24) 10.4 μg/m3 (44) 44.0
 
June 14, 2021, 2 a.m. 9.1 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 56.0 ppb (55) 0.25 ppb (3) 22.0 μg/m3 (21) 9.2 μg/m3 (39) 55.0
 
June 14, 2021, 1 a.m. 7.9 ppb (8) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 70.0 ppb (100) 0.22 ppb (3) 28.0 μg/m3 (26) 10.4 μg/m3 (44) 100.0
 
June 14, 2021, midnight 9.3 ppb (9) 1.4 ppb (2) N/A 8.0 ppb (8) N/A N/A 78.0 ppb (105) 0.24 ppb (3) 37.0 μg/m3 (35) 15.1 μg/m3 (58) 105.0
 
June 13, 2021, 11 p.m. 9.0 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 92.0 ppb (113) 0.26 ppb (4) 42.0 μg/m3 (39) 11.2 μg/m3 (47) 113.0
 
June 13, 2021, 10 p.m. 6.8 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 99.0 ppb (116) 0.26 ppb (4) 34.0 μg/m3 (32) 10.6 μg/m3 (45) 116.0
 
June 13, 2021, 9 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 91.0 ppb (112) 0.23 ppb (3) 35.0 μg/m3 (33) 14.4 μg/m3 (56) 112.0
 
June 13, 2021, 8 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 86.0 ppb (109) 0.24 ppb (3) 35.0 μg/m3 (33) 17.4 μg/m3 (63) 109.0
 
June 13, 2021, 7 p.m. 6.2 ppb (6) 1.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 81.0 ppb (107) 0.25 ppb (3) 31.0 μg/m3 (29) 13.4 μg/m3 (54) 107.0
 
June 13, 2021, 6 p.m. 7.3 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 70.0 ppb (100) 0.27 ppb (4) 34.0 μg/m3 (32) 14.6 μg/m3 (57) 100.0
 
June 13, 2021, 5 p.m. 8.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (7) N/A N/A 57.0 ppb (58) 0.26 ppb (4) 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
June 13, 2021, 4 p.m. 11.4 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) 0.29 ppb (4) 39.0 μg/m3 (37) 17.4 μg/m3 (63) 63.0
 
June 13, 2021, 3 p.m. 12.4 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.31 ppb (4) 36.0 μg/m3 (34) 22.0 μg/m3 (72) 72.0
 
June 13, 2021, 2 p.m. 13.4 ppb (13) 3.7 ppb (4) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.29 ppb (4) 31.0 μg/m3 (29) 14.1 μg/m3 (56) 56.0
 
June 13, 2021, 1 p.m. 12.7 ppb (12) 2.2 ppb (3) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.31 ppb (4) 30.0 μg/m3 (28) 13.6 μg/m3 (55) 55.0
 
June 13, 2021, noon 12.2 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.32 ppb (4) 29.0 μg/m3 (27) 9.9 μg/m3 (42) 42.0
 
June 13, 2021, 11 a.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) 0.31 ppb (4) 27.0 μg/m3 (25) 18.3 μg/m3 (65) 65.0
 
June 13, 2021, 10 a.m. 8.6 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.27 ppb (4) 30.0 μg/m3 (28) 14.9 μg/m3 (57) 57.0
 
June 13, 2021, 9 a.m. 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.26 ppb (4) 24.0 μg/m3 (23) 10.8 μg/m3 (46) 46.0
 
June 13, 2021, 8 a.m. 6.4 ppb (7) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.23 ppb (3) 22.0 μg/m3 (21) 12.1 μg/m3 (51) 51.0
 
June 13, 2021, 7 a.m. 7.0 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) 0.25 ppb (3) 26.0 μg/m3 (25) 8.8 μg/m3 (37) 38.0
 
June 13, 2021, 6 a.m. 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) 0.25 ppb (3) 22.0 μg/m3 (21) 12.6 μg/m3 (53) 53.0
 
June 13, 2021, 5 a.m. 8.3 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.25 ppb (3) 25.0 μg/m3 (24) 10.9 μg/m3 (46) 46.0
 
June 13, 2021, 4 a.m. 8.1 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 42.0 ppb (39) 0.24 ppb (3) 26.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
June 13, 2021, 3 a.m. 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A 52.0 ppb (49) 0.23 ppb (3) 24.0 μg/m3 (23) 10.2 μg/m3 (43) 49.0
 
June 13, 2021, 2 a.m. 8.3 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 58.0 ppb (61) 0.24 ppb (3) 26.0 μg/m3 (25) 12.1 μg/m3 (51) 61.0
 
June 13, 2021, 1 a.m. 8.7 ppb (9) 1.2 ppb (2) N/A 7.0 ppb (7) N/A N/A 76.0 ppb (104) 0.24 ppb (3) 36.0 μg/m3 (34) 10.4 μg/m3 (44) 104.0
 
June 13, 2021, midnight 9.5 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 88.0 ppb (110) 0.26 ppb (4) 40.0 μg/m3 (38) 8.5 μg/m3 (36) 110.0
 
June 12, 2021, 11 p.m. 10.5 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A 96.0 ppb (115) 0.28 ppb (4) 53.0 μg/m3 (50) 17.3 μg/m3 (62) 115.0
 
June 12, 2021, 10 p.m. 9.7 ppb (10) 1.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 106.0 ppb (120) 0.31 ppb (4) 64.0 μg/m3 (56) 21.5 μg/m3 (71) 120.0
 
June 12, 2021, 9 p.m. 7.3 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 108.0 ppb (121) 0.3 ppb (4) 47.0 μg/m3 (44) 14.6 μg/m3 (57) 121.0
 
June 12, 2021, 8 p.m. 7.7 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 102.0 ppb (118) 0.31 ppb (4) 48.0 μg/m3 (45) 20.5 μg/m3 (69) 118.0
 
June 12, 2021, 7 p.m. 8.9 ppb (9) 1.3 ppb (2) N/A 8.0 ppb (8) N/A N/A 90.0 ppb (112) 0.32 ppb (4) 46.0 μg/m3 (43) 10.2 μg/m3 (43) 112.0
 
June 12, 2021, 6 p.m. 10.8 ppb (11) 1.7 ppb (2) N/A 9.0 ppb (9) N/A N/A 77.0 ppb (105) 0.33 ppb (4) 43.0 μg/m3 (40) 11.1 μg/m3 (47) 105.0
 
June 12, 2021, 5 p.m. 12.6 ppb (12) 2.2 ppb (3) N/A 10.0 ppb (10) N/A N/A 65.0 ppb (84) 0.34 ppb (4) 42.0 μg/m3 (39) 10.7 μg/m3 (45) 84.0
 
June 12, 2021, 4 p.m. 18.2 ppb (18) 3.7 ppb (4) N/A 15.0 ppb (15) N/A N/A 49.0 ppb (46) 0.4 ppb (5) 40.0 μg/m3 (38) 12.9 μg/m3 (53) 53.0
 
June 12, 2021, 3 p.m. 15.5 ppb (15) 3.4 ppb (4) N/A 12.0 ppb (12) N/A N/A 41.0 ppb (38) 0.35 ppb (4) 35.0 μg/m3 (33) 6.8 μg/m3 (29) 38.0
 
June 12, 2021, 2 p.m. 16.2 ppb (16) 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.38 ppb (5) 37.0 μg/m3 (35) 17.4 μg/m3 (63) 63.0
 
June 12, 2021, 1 p.m. 7.4 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.25 ppb (3) 22.0 μg/m3 (21) 14.4 μg/m3 (56) 56.0
 
June 12, 2021, noon 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.25 ppb (3) 24.0 μg/m3 (23) 12.6 μg/m3 (53) 53.0
 
June 12, 2021, 11 a.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.24 ppb (3) 26.0 μg/m3 (25) 13.9 μg/m3 (55) 55.0
 
June 12, 2021, 10 a.m. 7.0 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.25 ppb (3) 25.0 μg/m3 (24) 13.9 μg/m3 (55) 55.0
 
June 12, 2021, 9 a.m. 8.0 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) 0.26 ppb (4) 30.0 μg/m3 (28) 12.6 μg/m3 (53) 53.0