ID: 194

AQSQID: 060711004

Site Name: Upland

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

Updated: Sept. 20, 2021, 4:59 p.m.

Location: Upland (Los Olivos), CA

Reporting: True, Located: True

Current AQI: 83.0

Upland (Los Olivos) CA, US: 34.10366, -117.629096

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2021, 3 p.m. 38.2 ppb (37) 8.3 ppb (8) N/A 30.0 ppb (29) N/A N/A 18.0 ppb (17) 0.6 ppb (7) 60.0 μg/m3 (54) 27.0 μg/m3 (83) 83.0
 
Sept. 20, 2021, 2 p.m. 41.8 ppb (40) 8.5 ppb (9) N/A 33.0 ppb (32) N/A N/A 7.0 ppb (7) 0.76 ppb (10) 51.0 μg/m3 (48) 24.6 μg/m3 (78) 78.0
 
Sept. 20, 2021, 1 p.m. 32.2 ppb (31) 3.6 ppb (4) N/A 29.0 ppb (28) N/A N/A 7.0 ppb (7) 0.57 ppb (7) 41.0 μg/m3 (38) 19.6 μg/m3 (67) 67.0
 
Sept. 20, 2021, noon 26.2 ppb (25) 2.4 ppb (3) N/A 24.0 ppb (23) N/A N/A 12.0 ppb (12) 0.49 ppb (6) 37.0 μg/m3 (35) 15.8 μg/m3 (59) 59.0
 
Sept. 20, 2021, 11 a.m. 17.9 ppb (17) 0.4 ppb (1) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) 0.38 ppb (5) 34.0 μg/m3 (32) 17.3 μg/m3 (62) 62.0
 
Sept. 20, 2021, 10 a.m. 18.0 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) 0.43 ppb (5) 28.0 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
Sept. 20, 2021, 9 a.m. 19.2 ppb (19) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (16) 0.46 ppb (6) 31.0 μg/m3 (29) 30.7 μg/m3 (91) 91.0
 
Sept. 20, 2021, 8 a.m. 17.5 ppb (17) 0.5 ppb (1) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) 0.39 ppb (5) 35.0 μg/m3 (33) 19.9 μg/m3 (68) 68.0
 
Sept. 20, 2021, 7 a.m. 17.9 ppb (17) 0.3 ppb (1) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.42 ppb (5) 38.0 μg/m3 (36) 13.6 μg/m3 (55) 55.0
 
Sept. 20, 2021, 6 a.m. 17.0 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) 0.43 ppb (5) 44.0 μg/m3 (41) 15.3 μg/m3 (58) 58.0
 
Sept. 20, 2021, 5 a.m. 16.3 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 29.0 ppb (27) 0.34 ppb (4) 38.0 μg/m3 (36) 14.1 μg/m3 (56) 56.0
 
Sept. 20, 2021, 4 a.m. 15.0 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 36.0 ppb (34) 0.32 ppb (4) 31.0 μg/m3 (29) 12.6 μg/m3 (53) 53.0
 
Sept. 20, 2021, 3 a.m. 11.5 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 49.0 ppb (46) 0.27 ppb (4) 41.0 μg/m3 (38) 21.2 μg/m3 (71) 71.0
 
Sept. 20, 2021, 2 a.m. 11.4 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 55.0 ppb (51) 0.29 ppb (4) 36.0 μg/m3 (34) 12.6 μg/m3 (53) 53.0
 
Sept. 20, 2021, 1 a.m. 11.2 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A 68.0 ppb (94) 0.3 ppb (4) 44.0 μg/m3 (41) 14.4 μg/m3 (56) 94.0
 
Sept. 20, 2021, midnight 9.4 ppb (9) 0.5 ppb (1) N/A 9.0 ppb (9) N/A N/A 83.0 ppb (108) 0.28 ppb (4) 35.0 μg/m3 (33) 23.1 μg/m3 (75) 108.0
 
Sept. 19, 2021, 11 p.m. 7.2 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 84.0 ppb (108) 0.25 ppb (3) 35.0 μg/m3 (33) 15.6 μg/m3 (59) 108.0
 
Sept. 19, 2021, 10 p.m. 6.9 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 76.0 ppb (104) 0.22 ppb (3) 33.0 μg/m3 (31) 12.9 μg/m3 (53) 104.0
 
Sept. 19, 2021, 9 p.m. 6.3 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 70.0 ppb (100) 0.2 ppb (3) 26.0 μg/m3 (25) 9.4 μg/m3 (40) 100.0
 
Sept. 19, 2021, 8 p.m. 6.8 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 67.0 ppb (91) 0.2 ppb (3) 26.0 μg/m3 (25) 10.6 μg/m3 (45) 91.0
 
Sept. 19, 2021, 7 p.m. 7.2 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 63.0 ppb (78) 0.22 ppb (3) 28.0 μg/m3 (26) 12.9 μg/m3 (53) 78.0
 
Sept. 19, 2021, 6 p.m. 8.8 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A N/A 57.0 ppb (58) 0.26 ppb (4) 31.0 μg/m3 (29) 17.3 μg/m3 (62) 62.0
 
Sept. 19, 2021, 5 p.m. 12.8 ppb (13) 2.4 ppb (3) N/A 10.0 ppb (10) N/A N/A 43.0 ppb (40) 0.3 ppb (4) 34.0 μg/m3 (32) 23.6 μg/m3 (76) 76.0
 
Sept. 19, 2021, 4 p.m. 17.3 ppb (17) 4.1 ppb (4) N/A 13.0 ppb (13) N/A N/A 31.0 ppb (29) 0.35 ppb (4) 38.0 μg/m3 (36) 23.0 μg/m3 (74) 74.0
 
Sept. 19, 2021, 3 p.m. 32.2 ppb (31) 10.6 ppb (10) N/A 22.0 ppb (21) N/A N/A 15.0 ppb (14) 0.46 ppb (6) 44.0 μg/m3 (41) 19.9 μg/m3 (68) 68.0
 
Sept. 19, 2021, 2 p.m. 30.7 ppb (29) 8.1 ppb (8) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) 0.7 ppb (8) 43.0 μg/m3 (40) 21.9 μg/m3 (72) 72.0
 
Sept. 19, 2021, 1 p.m. 22.2 ppb (21) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.44 ppb (5) 29.0 μg/m3 (27) 9.7 μg/m3 (41) 41.0
 
Sept. 19, 2021, noon 22.1 ppb (21) 1.9 ppb (2) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) 0.42 ppb (5) 29.0 μg/m3 (27) 7.7 μg/m3 (33) 33.0
 
Sept. 19, 2021, 11 a.m. 19.9 ppb (19) 1.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) 0.39 ppb (5) 28.0 μg/m3 (26) 17.3 μg/m3 (62) 62.0
 
Sept. 19, 2021, 10 a.m. 20.8 ppb (20) 1.5 ppb (2) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (5) 0.45 ppb (6) 21.0 μg/m3 (20) 8.4 μg/m3 (36) 36.0
 
Sept. 19, 2021, 9 a.m. 22.3 ppb (22) 2.2 ppb (3) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.7 ppb (8) 24.0 μg/m3 (23) 3.6 μg/m3 (16) 23.0
 
Sept. 19, 2021, 8 a.m. 22.9 ppb (22) 2.9 ppb (3) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.53 ppb (6) 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
Sept. 19, 2021, 7 a.m. 19.2 ppb (19) 2.1 ppb (2) N/A 17.0 ppb (17) N/A N/A 6.0 ppb (6) 0.46 ppb (6) 31.0 μg/m3 (29) 22.1 μg/m3 (73) 73.0
 
Sept. 19, 2021, 6 a.m. 16.7 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.46 ppb (6) 30.0 μg/m3 (28) 10.1 μg/m3 (43) 43.0
 
Sept. 19, 2021, 5 a.m. 15.1 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.33 ppb (4) 30.0 μg/m3 (28) 9.6 μg/m3 (40) 40.0
 
Sept. 19, 2021, 4 a.m. 14.0 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.29 ppb (4) 29.0 μg/m3 (27) 10.9 μg/m3 (46) 46.0
 
Sept. 19, 2021, 3 a.m. 12.8 ppb (13) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.27 ppb (4) 27.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2021, 2 a.m. 12.9 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 41.0 ppb (38) 0.25 ppb (3) 31.0 μg/m3 (29) 16.1 μg/m3 (60) 60.0
 
Sept. 19, 2021, 1 a.m. 12.4 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 61.0 ppb (71) 0.29 ppb (4) 36.0 μg/m3 (34) 10.7 μg/m3 (45) 71.0
 
Sept. 19, 2021, midnight 10.1 ppb (10) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 75.0 ppb (104) 0.28 ppb (4) 34.0 μg/m3 (32) 9.4 μg/m3 (40) 104.0
 
Sept. 18, 2021, 11 p.m. 8.2 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (8) N/A N/A 79.0 ppb (106) 0.25 ppb (3) 38.0 μg/m3 (36) 22.4 μg/m3 (73) 106.0
 
Sept. 18, 2021, 10 p.m. 8.0 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 76.0 ppb (104) 0.23 ppb (3) 36.0 μg/m3 (34) 8.7 μg/m3 (37) 104.0
 
Sept. 18, 2021, 9 p.m. 7.7 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A 71.0 ppb (101) 0.24 ppb (3) 37.0 μg/m3 (35) 20.7 μg/m3 (70) 101.0
 
Sept. 18, 2021, 8 p.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 66.0 ppb (87) 0.25 ppb (3) 41.0 μg/m3 (38) 18.7 μg/m3 (65) 87.0
 
Sept. 18, 2021, 7 p.m. 10.5 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A N/A 58.0 ppb (61) 0.3 ppb (4) 38.0 μg/m3 (36) 14.4 μg/m3 (56) 61.0
 
Sept. 18, 2021, 6 p.m. 14.3 ppb (14) 2.7 ppb (3) N/A 12.0 ppb (12) N/A N/A 44.0 ppb (41) 0.35 ppb (4) 39.0 μg/m3 (37) 14.6 μg/m3 (57) 57.0
 
Sept. 18, 2021, 5 p.m. 16.0 ppb (16) 3.7 ppb (4) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.5 ppb (6) 46.0 μg/m3 (43) 18.2 μg/m3 (64) 64.0
 
Sept. 18, 2021, 4 p.m. 19.2 ppb (19) 5.6 ppb (6) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.42 ppb (5) 46.0 μg/m3 (43) 17.0 μg/m3 (62) 62.0
 
Sept. 18, 2021, 3 p.m. 23.9 ppb (23) 7.5 ppb (8) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) 0.43 ppb (5) 37.0 μg/m3 (35) 12.6 μg/m3 (53) 53.0
 
Sept. 18, 2021, 2 p.m. 27.2 ppb (26) 9.4 ppb (9) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (5) 0.53 ppb (6) 29.0 μg/m3 (27) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2021, 1 p.m. 20.4 ppb (20) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.42 ppb (5) 29.0 μg/m3 (27) 5.1 μg/m3 (22) 27.0
 
Sept. 18, 2021, noon 18.1 ppb (18) 1.3 ppb (2) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) 0.36 ppb (5) 27.0 μg/m3 (25) 8.9 μg/m3 (38) 38.0
 
Sept. 18, 2021, 11 a.m. 15.6 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.34 ppb (4) 28.0 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
Sept. 18, 2021, 10 a.m. 16.0 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) 0.33 ppb (4) 31.0 μg/m3 (29) 12.3 μg/m3 (52) 52.0
 
Sept. 18, 2021, 9 a.m. 16.1 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) 0.31 ppb (4) 29.0 μg/m3 (27) 12.3 μg/m3 (52) 52.0
 
Sept. 18, 2021, 8 a.m. 16.8 ppb (16) 0.4 ppb (1) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) 0.31 ppb (4) 32.0 μg/m3 (30) 11.3 μg/m3 (48) 48.0
 
Sept. 18, 2021, 7 a.m. 17.5 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 16.0 ppb (15) 0.31 ppb (4) 31.0 μg/m3 (29) 12.8 μg/m3 (53) 53.0
 
Sept. 18, 2021, 6 a.m. 16.9 ppb (16) 0.3 ppb (1) N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) 0.3 ppb (4) 33.0 μg/m3 (31) 14.8 μg/m3 (57) 57.0
 
Sept. 18, 2021, 5 a.m. 16.2 ppb (16) 0.3 ppb (1) N/A 16.0 ppb (16) N/A N/A 23.0 ppb (22) 0.28 ppb (4) 25.0 μg/m3 (24) 16.8 μg/m3 (61) 61.0
 
Sept. 18, 2021, 4 a.m. 16.3 ppb (16) 0.6 ppb (1) N/A 16.0 ppb (16) N/A N/A 26.0 ppb (25) 0.25 ppb (3) 30.0 μg/m3 (28) 8.4 μg/m3 (36) 36.0
 
Sept. 18, 2021, 3 a.m. 15.0 ppb (15) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 33.0 ppb (31) 0.26 ppb (4) 37.0 μg/m3 (35) 10.6 μg/m3 (45) 45.0
 
Sept. 18, 2021, 2 a.m. 16.6 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 41.0 ppb (38) 0.26 ppb (4) 38.0 μg/m3 (36) 11.6 μg/m3 (49) 49.0
 
Sept. 18, 2021, 1 a.m. 15.5 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (15) N/A N/A 57.0 ppb (58) 0.26 ppb (4) 39.0 μg/m3 (37) 10.2 μg/m3 (43) 58.0
 
Sept. 18, 2021, midnight 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 80.0 ppb (106) 0.24 ppb (3) 36.0 μg/m3 (34) 6.7 μg/m3 (28) 106.0
 
Sept. 17, 2021, 11 p.m. 10.1 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A 89.0 ppb (111) 0.28 ppb (4) 43.0 μg/m3 (40) 16.3 μg/m3 (60) 111.0
 
Sept. 17, 2021, 10 p.m. 11.7 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 85.0 ppb (109) 0.31 ppb (4) 43.0 μg/m3 (40) 22.2 μg/m3 (73) 109.0
 
Sept. 17, 2021, 9 p.m. 11.3 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 81.0 ppb (107) 0.32 ppb (4) 48.0 μg/m3 (45) 29.6 μg/m3 (88) 107.0
 
Sept. 17, 2021, 8 p.m. 11.6 ppb (11) 1.3 ppb (2) N/A 10.0 ppb (10) N/A N/A 70.0 ppb (100) 0.31 ppb (4) 49.0 μg/m3 (46) 21.4 μg/m3 (71) 100.0
 
Sept. 17, 2021, 7 p.m. 15.6 ppb (15) 2.3 ppb (3) N/A 13.0 ppb (13) N/A N/A 57.0 ppb (58) 0.31 ppb (4) 50.0 μg/m3 (47) 23.1 μg/m3 (75) 75.0
 
Sept. 17, 2021, 6 p.m. 19.2 ppb (19) 3.8 ppb (4) N/A 15.0 ppb (15) N/A N/A 45.0 ppb (42) 0.35 ppb (4) 59.0 μg/m3 (53) 30.2 μg/m3 (90) 90.0
 
Sept. 17, 2021, 5 p.m. 22.6 ppb (22) 5.9 ppb (6) N/A 17.0 ppb (17) N/A N/A 31.0 ppb (29) 0.37 ppb (5) 52.0 μg/m3 (49) 26.3 μg/m3 (81) 81.0
 
Sept. 17, 2021, 4 p.m. 24.2 ppb (23) 7.4 ppb (7) N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) 0.38 ppb (5) 54.0 μg/m3 (50) 24.6 μg/m3 (78) 78.0
 
Sept. 17, 2021, 3 p.m. 27.8 ppb (27) 9.1 ppb (9) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (14) 0.43 ppb (5) 49.0 μg/m3 (46) 21.9 μg/m3 (72) 72.0
 
Sept. 17, 2021, 2 p.m. 30.2 ppb (29) 8.1 ppb (8) N/A 22.0 ppb (21) N/A N/A 7.0 ppb (7) 0.45 ppb (6) 43.0 μg/m3 (40) 21.9 μg/m3 (72) 72.0
 
Sept. 17, 2021, 1 p.m. 20.6 ppb (20) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) 0.38 ppb (5) 42.0 μg/m3 (39) 24.1 μg/m3 (77) 77.0
 
Sept. 17, 2021, noon 18.0 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.35 ppb (4) 37.0 μg/m3 (35) 17.3 μg/m3 (62) 62.0
 
Sept. 17, 2021, 11 a.m. 15.6 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.32 ppb (4) 34.0 μg/m3 (32) 11.1 μg/m3 (47) 47.0
 
Sept. 17, 2021, 10 a.m. 22.6 ppb (22) 1.2 ppb (2) N/A 21.0 ppb (20) N/A N/A 4.0 ppb (4) 0.4 ppb (5) 25.0 μg/m3 (24) 8.9 μg/m3 (38) 38.0
 
Sept. 17, 2021, 9 a.m. 21.8 ppb (21) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.4 ppb (5) 32.0 μg/m3 (30) 10.1 μg/m3 (43) 43.0
 
Sept. 17, 2021, 8 a.m. 19.0 ppb (18) 1.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.41 ppb (5) 27.0 μg/m3 (25) 13.8 μg/m3 (55) 55.0
 
Sept. 17, 2021, 7 a.m. 16.5 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) 0.33 ppb (4) 29.0 μg/m3 (27) 12.6 μg/m3 (53) 53.0
 
Sept. 17, 2021, 6 a.m. 17.9 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 15.0 ppb (14) 0.34 ppb (4) 35.0 μg/m3 (33) 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2021, 5 a.m. 16.3 ppb (16) 0.5 ppb (1) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.31 ppb (4) 36.0 μg/m3 (34) 17.5 μg/m3 (63) 63.0
 
Sept. 17, 2021, 4 a.m. 17.9 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 28.0 ppb (26) 0.3 ppb (4) 36.0 μg/m3 (34) 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2021, 3 a.m. 15.7 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 38.0 ppb (36) 0.29 ppb (4) 42.0 μg/m3 (39) 17.5 μg/m3 (63) 63.0
 
Sept. 17, 2021, 2 a.m. 16.0 ppb (16) 0.7 ppb (1) N/A 15.0 ppb (15) N/A N/A 50.0 ppb (47) 0.28 ppb (4) 47.0 μg/m3 (44) 19.2 μg/m3 (66) 66.0
 
Sept. 17, 2021, 1 a.m. 13.9 ppb (14) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 74.0 ppb (103) 0.29 ppb (4) 52.0 μg/m3 (49) 19.7 μg/m3 (67) 103.0
 
Sept. 17, 2021, midnight 14.6 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (14) N/A N/A 80.0 ppb (106) 0.29 ppb (4) 48.0 μg/m3 (45) 12.1 μg/m3 (51) 106.0
 
Sept. 16, 2021, 11 p.m. 14.6 ppb (14) 1.2 ppb (2) N/A 13.0 ppb (13) N/A N/A 84.0 ppb (108) 0.29 ppb (4) 45.0 μg/m3 (42) 12.2 μg/m3 (52) 108.0
 
Sept. 16, 2021, 10 p.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A N/A 92.0 ppb (113) 0.3 ppb (4) 53.0 μg/m3 (50) 10.2 μg/m3 (43) 113.0
 
Sept. 16, 2021, 9 p.m. 12.7 ppb (12) 1.2 ppb (2) N/A 11.0 ppb (11) N/A N/A 80.0 ppb (106) 0.3 ppb (4) 56.0 μg/m3 (52) N/A 106.0
 
Sept. 16, 2021, 8 p.m. 13.3 ppb (13) 1.4 ppb (2) N/A 12.0 ppb (12) N/A N/A 77.0 ppb (105) 0.3 ppb (4) 52.0 μg/m3 (49) N/A 105.0
 
Sept. 16, 2021, 7 p.m. 17.7 ppb (17) 2.4 ppb (3) N/A 15.0 ppb (15) N/A N/A 62.0 ppb (74) 0.36 ppb (5) N/A N/A 74.0
 
Sept. 16, 2021, 6 p.m. 25.3 ppb (24) 5.4 ppb (6) N/A 20.0 ppb (19) N/A N/A 41.0 ppb (38) 0.4 ppb (5) N/A 35.8 μg/m3 (102) 102.0
 
Sept. 16, 2021, 5 p.m. 28.0 ppb (27) 7.5 ppb (8) N/A 21.0 ppb (20) N/A N/A 30.0 ppb (28) 0.41 ppb (5) N/A 33.3 μg/m3 (96) 96.0
 
Sept. 16, 2021, 4 p.m. 24.8 ppb (24) 7.1 ppb (7) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (21) 0.4 ppb (5) 65.0 μg/m3 (56) 24.1 μg/m3 (77) 77.0
 
Sept. 16, 2021, 3 p.m. 23.0 ppb (22) 5.1 ppb (5) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.38 ppb (5) 51.0 μg/m3 (48) 26.3 μg/m3 (81) 81.0
 
Sept. 16, 2021, 2 p.m. 19.7 ppb (19) 2.7 ppb (3) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.36 ppb (5) 45.0 μg/m3 (42) 15.0 μg/m3 (58) 58.0
 
Sept. 16, 2021, 1 p.m. 17.6 ppb (17) 1.2 ppb (2) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) 0.35 ppb (4) 43.0 μg/m3 (40) 14.6 μg/m3 (57) 57.0
 
Sept. 16, 2021, noon 15.1 ppb (15) 0.6 ppb (1) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.31 ppb (4) 35.0 μg/m3 (33) 21.2 μg/m3 (71) 71.0
 
Sept. 16, 2021, 11 a.m. 14.7 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) 0.31 ppb (4) 38.0 μg/m3 (36) 17.5 μg/m3 (63) 63.0
 
Sept. 16, 2021, 10 a.m. 14.3 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A N/A 13.0 ppb (13) 0.32 ppb (4) 37.0 μg/m3 (35) 19.4 μg/m3 (67) 67.0
 
Sept. 16, 2021, 9 a.m. 13.1 ppb (13) 0.3 ppb (1) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.31 ppb (4) 34.0 μg/m3 (32) 14.8 μg/m3 (57) 57.0
 
Sept. 16, 2021, 8 a.m. 15.2 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.33 ppb (4) 38.0 μg/m3 (36) 18.2 μg/m3 (64) 64.0
 
Sept. 16, 2021, 7 a.m. 18.4 ppb (18) 0.3 ppb (1) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) 0.36 ppb (5) 39.0 μg/m3 (37) 21.4 μg/m3 (71) 71.0
 
Sept. 16, 2021, 6 a.m. 19.5 ppb (19) 0.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) 0.38 ppb (5) 37.0 μg/m3 (35) 11.1 μg/m3 (47) 47.0
 
Sept. 16, 2021, 5 a.m. 20.2 ppb (20) 0.5 ppb (1) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (22) 0.36 ppb (5) 35.0 μg/m3 (33) 16.8 μg/m3 (61) 61.0
 
Sept. 16, 2021, 4 a.m. 20.4 ppb (20) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 29.0 ppb (27) 0.35 ppb (4) 41.0 μg/m3 (38) 21.6 μg/m3 (71) 71.0
 
Sept. 16, 2021, 3 a.m. 20.0 ppb (19) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 38.0 ppb (36) 0.33 ppb (4) 43.0 μg/m3 (40) 19.2 μg/m3 (66) 66.0
 
Sept. 16, 2021, 2 a.m. 17.7 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (17) N/A N/A 54.0 ppb (50) 0.3 ppb (4) 40.0 μg/m3 (38) 7.7 μg/m3 (33) 50.0
 
Sept. 16, 2021, 1 a.m. 14.1 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 76.0 ppb (104) 0.28 ppb (4) 43.0 μg/m3 (40) 16.3 μg/m3 (60) 104.0
 
Sept. 16, 2021, midnight 13.5 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (13) N/A N/A 87.0 ppb (110) 0.29 ppb (4) 48.0 μg/m3 (45) 11.7 μg/m3 (49) 110.0
 
Sept. 15, 2021, 11 p.m. 16.1 ppb (16) 1.3 ppb (2) N/A 15.0 ppb (15) N/A N/A 81.0 ppb (107) 0.3 ppb (4) 47.0 μg/m3 (44) 10.7 μg/m3 (45) 107.0
 
Sept. 15, 2021, 10 p.m. 11.8 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 87.0 ppb (110) 0.3 ppb (4) 44.0 μg/m3 (41) 8.0 μg/m3 (34) 110.0
 
Sept. 15, 2021, 9 p.m. 10.7 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 83.0 ppb (108) 0.29 ppb (4) 42.0 μg/m3 (39) 19.2 μg/m3 (66) 108.0
 
Sept. 15, 2021, 8 p.m. 13.0 ppb (13) 1.6 ppb (2) N/A 11.0 ppb (11) N/A N/A 71.0 ppb (101) 0.31 ppb (4) 52.0 μg/m3 (49) 16.1 μg/m3 (60) 101.0
 
Sept. 15, 2021, 7 p.m. 20.0 ppb (19) 3.3 ppb (4) N/A 17.0 ppb (17) N/A N/A 55.0 ppb (51) 0.36 ppb (5) 47.0 μg/m3 (44) 14.9 μg/m3 (57) 57.0
 
Sept. 15, 2021, 6 p.m. 26.9 ppb (26) 5.4 ppb (6) N/A 22.0 ppb (21) N/A N/A 46.0 ppb (43) 0.43 ppb (5) 58.0 μg/m3 (53) 23.3 μg/m3 (75) 75.0
 
Sept. 15, 2021, 5 p.m. 41.3 ppb (39) 12.8 ppb (13) N/A 28.0 ppb (27) N/A N/A 26.0 ppb (25) 0.5 ppb (6) 67.0 μg/m3 (57) 35.0 μg/m3 (100) 100.0
 
Sept. 15, 2021, 4 p.m. 56.8 ppb (54) 23.3 ppb (22) N/A 34.0 ppb (33) N/A N/A 14.0 ppb (13) 0.58 ppb (7) 70.0 μg/m3 (59) 24.5 μg/m3 (78) 78.0
 
Sept. 15, 2021, 3 p.m. 59.8 ppb (58) 27.6 ppb (27) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.65 ppb (8) 53.0 μg/m3 (50) 19.9 μg/m3 (68) 68.0
 
Sept. 15, 2021, 2 p.m. 56.7 ppb (54) 26.3 ppb (25) N/A 30.0 ppb (29) N/A N/A 3.0 ppb (3) 0.65 ppb (8) 43.0 μg/m3 (40) 22.4 μg/m3 (73) 73.0
 
Sept. 15, 2021, 1 p.m. 47.0 ppb (45) 19.9 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.61 ppb (7) 34.0 μg/m3 (32) 11.9 μg/m3 (50) 50.0
 
Sept. 15, 2021, noon 34.4 ppb (33) 7.5 ppb (8) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.46 ppb (6) 27.0 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
Sept. 15, 2021, 11 a.m. 27.4 ppb (26) 2.8 ppb (3) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.39 ppb (5) 35.0 μg/m3 (33) 16.1 μg/m3 (60) 60.0
 
Sept. 15, 2021, 10 a.m. 28.2 ppb (27) 4.1 ppb (4) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.38 ppb (5) 33.0 μg/m3 (31) 10.6 μg/m3 (45) 45.0
 
Sept. 15, 2021, 9 a.m. 24.2 ppb (23) 1.7 ppb (2) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.4 ppb (5) 32.0 μg/m3 (30) 11.3 μg/m3 (48) 48.0
 
Sept. 15, 2021, 8 a.m. 25.6 ppb (25) 1.6 ppb (2) N/A 24.0 ppb (23) N/A N/A 3.0 ppb (3) 0.41 ppb (5) 31.0 μg/m3 (29) 16.8 μg/m3 (61) 61.0
 
Sept. 15, 2021, 7 a.m. 26.3 ppb (25) 1.5 ppb (2) N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.39 ppb (5) 30.0 μg/m3 (28) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2021, 6 a.m. 27.0 ppb (26) 1.0 ppb (1) N/A 26.0 ppb (25) N/A N/A 8.0 ppb (8) 0.49 ppb (6) 36.0 μg/m3 (34) 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2021, 5 a.m. 25.8 ppb (25) 0.6 ppb (1) N/A 25.0 ppb (24) N/A N/A 18.0 ppb (17) 0.35 ppb (4) 36.0 μg/m3 (34) 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2021, 4 a.m. 20.7 ppb (20) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (25) 0.31 ppb (4) 30.0 μg/m3 (28) 9.9 μg/m3 (42) 42.0
 
Sept. 15, 2021, 3 a.m. 18.1 ppb (18) 1.3 ppb (2) N/A 17.0 ppb (17) N/A N/A 34.0 ppb (32) 0.28 ppb (4) 31.0 μg/m3 (29) 4.7 μg/m3 (20) 32.0
 
Sept. 15, 2021, 2 a.m. 14.4 ppb (14) 1.0 ppb (1) N/A 13.0 ppb (13) N/A N/A 42.0 ppb (39) 0.24 ppb (3) 37.0 μg/m3 (35) 2.1 μg/m3 (9) 39.0
 
Sept. 15, 2021, 1 a.m. 12.2 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (12) N/A N/A 53.0 ppb (50) 0.23 ppb (3) 36.0 μg/m3 (34) 4.3 μg/m3 (18) 50.0
 
Sept. 15, 2021, midnight 12.6 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A 67.0 ppb (91) 0.23 ppb (3) 36.0 μg/m3 (34) 8.2 μg/m3 (35) 91.0
 
Sept. 14, 2021, 11 p.m. 11.9 ppb (12) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 95.0 ppb (114) 0.28 ppb (4) 39.0 μg/m3 (37) 9.2 μg/m3 (39) 114.0
 
Sept. 14, 2021, 10 p.m. 13.3 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (12) N/A N/A 91.0 ppb (112) 0.3 ppb (4) 31.0 μg/m3 (29) 7.3 μg/m3 (31) 112.0
 
Sept. 14, 2021, 9 p.m. 17.9 ppb (17) 1.8 ppb (2) N/A 16.0 ppb (16) N/A N/A 78.0 ppb (105) 0.34 ppb (4) 40.0 μg/m3 (38) 8.7 μg/m3 (37) 105.0
 
Sept. 14, 2021, 8 p.m. 23.2 ppb (22) 2.8 ppb (3) N/A 20.0 ppb (19) N/A N/A 67.0 ppb (91) 0.4 ppb (5) 43.0 μg/m3 (40) 10.0 μg/m3 (42) 91.0
 
Sept. 14, 2021, 7 p.m. 31.9 ppb (31) 4.5 ppb (5) N/A 27.0 ppb (26) N/A N/A 57.0 ppb (58) 0.43 ppb (5) N/A N/A 58.0
 
Sept. 14, 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
Sept. 14, 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
Sept. 14, 2021, 4 p.m. 41.7 ppb (40) 19.2 ppb (19) N/A 23.0 ppb (22) N/A N/A 12.0 ppb (12) N/A 85.0 μg/m3 (66) N/A 66.0
 
Sept. 13, 2021, 7 p.m. 17.8 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A N/A 59.0 ppb (65) N/A 37.0 μg/m3 (35) 14.4 μg/m3 (56) 65.0
 
Sept. 13, 2021, 6 p.m. 42.3 ppb (40) 9.9 ppb (10) N/A 32.0 ppb (31) N/A N/A 39.0 ppb (37) N/A 45.0 μg/m3 (42) 20.4 μg/m3 (69) 69.0
 
Sept. 13, 2021, 5 p.m. 60.9 ppb (59) 17.3 ppb (17) N/A 44.0 ppb (42) N/A N/A 28.0 ppb (26) N/A 55.0 μg/m3 (51) 19.7 μg/m3 (67) 67.0
 
Sept. 13, 2021, 4 p.m. 42.5 ppb (41) 11.2 ppb (11) N/A 31.0 ppb (30) N/A N/A 28.0 ppb (26) N/A 45.0 μg/m3 (42) 12.4 μg/m3 (52) 52.0
 
Sept. 13, 2021, 3 p.m. 45.1 ppb (43) 16.1 ppb (16) N/A 29.0 ppb (28) N/A N/A 16.0 ppb (15) N/A 41.0 μg/m3 (38) 17.3 μg/m3 (62) 62.0
 
Sept. 13, 2021, 2 p.m. 55.9 ppb (54) 23.2 ppb (22) N/A 33.0 ppb (32) N/A N/A 5.0 ppb (5) N/A 48.0 μg/m3 (45) 6.9 μg/m3 (29) 54.0
 
Sept. 13, 2021, 1 p.m. 45.0 ppb (43) 11.7 ppb (12) N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) N/A 28.0 μg/m3 (26) 13.1 μg/m3 (54) 54.0
 
Sept. 13, 2021, noon 31.5 ppb (30) 2.8 ppb (3) N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) N/A 30.0 μg/m3 (28) 8.9 μg/m3 (38) 38.0
 
Sept. 13, 2021, 11 a.m. 18.5 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (12) N/A 28.0 μg/m3 (26) 9.4 μg/m3 (40) 40.0
 
Sept. 13, 2021, 10 a.m. 18.2 ppb (18) 0.8 ppb (1) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) N/A 20.0 μg/m3 (19) 13.6 μg/m3 (55) 55.0
 
Sept. 13, 2021, 9 a.m. 25.3 ppb (24) 1.8 ppb (2) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) N/A 28.0 μg/m3 (26) 10.4 μg/m3 (44) 44.0
 
Sept. 13, 2021, 8 a.m. 24.3 ppb (23) 1.3 ppb (2) N/A 23.0 ppb (22) N/A N/A 7.0 ppb (7) N/A 30.0 μg/m3 (28) 8.4 μg/m3 (36) 36.0
 
Sept. 13, 2021, 7 a.m. 23.8 ppb (23) 1.5 ppb (2) N/A 22.0 ppb (21) N/A N/A 8.0 ppb (8) N/A 24.0 μg/m3 (23) 9.2 μg/m3 (39) 39.0
 
Sept. 13, 2021, 6 a.m. 20.3 ppb (20) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) N/A 41.0 μg/m3 (38) 11.6 μg/m3 (49) 49.0
 
Sept. 13, 2021, 5 a.m. 21.3 ppb (21) 0.7 ppb (1) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) N/A 41.0 μg/m3 (38) 11.7 μg/m3 (49) 49.0
 
Sept. 13, 2021, 4 a.m. 20.0 ppb (19) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (25) N/A 40.0 μg/m3 (38) 8.2 μg/m3 (35) 38.0
 
Sept. 13, 2021, 3 a.m. 15.7 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 41.0 ppb (38) N/A 35.0 μg/m3 (33) 1.9 μg/m3 (8) 38.0
 
Sept. 13, 2021, 2 a.m. 12.9 ppb (13) 0.7 ppb (1) N/A 12.0 ppb (12) N/A N/A 52.0 ppb (49) N/A 19.0 μg/m3 (18) -0.2 μg/m3 (0) 49.0
 
Sept. 13, 2021, 1 a.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 61.0 ppb (71) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 71.0
 
Sept. 13, 2021, midnight 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A 70.0 ppb (100) N/A 27.0 μg/m3 (25) 11.0 μg/m3 (46) 100.0
 
Sept. 12, 2021, 11 p.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (97) N/A 23.0 μg/m3 (22) 10.7 μg/m3 (45) 97.0
 
Sept. 12, 2021, 10 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (84) N/A 13.0 μg/m3 (13) 6.5 μg/m3 (28) 84.0
 
Sept. 12, 2021, 9 p.m. 5.4 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (97) N/A 14.0 μg/m3 (13) 5.5 μg/m3 (23) 97.0
 
Sept. 12, 2021, 8 p.m. 5.8 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (81) N/A 13.0 μg/m3 (13) 6.0 μg/m3 (25) 81.0