ID: 194

AQSQID: 060711004

Site Name: Upland

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

Updated: Sept. 21, 2020, 11:39 a.m.

Location: Upland (Los Olivos), CA

Reporting: True, Located: True

Current AQI: 36.0

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. 21, 2020, 10 a.m. 16.0 ppb (15) 1.5 ppb (1) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.45 ppb (5) 24.0 μg/m3 (22) 8.6 μg/m3 (36) 36.0
 
Sept. 21, 2020, 9 a.m. 15.8 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.49 ppb (5) 24.0 μg/m3 (22) 5.4 μg/m3 (23) 23.0
 
Sept. 21, 2020, 8 a.m. 14.0 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) 0.47 ppb (5) 33.0 μg/m3 (30) 19.6 μg/m3 (66) 66.0
 
Sept. 21, 2020, 7 a.m. 13.0 ppb (12) 0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.45 ppb (5) 32.0 μg/m3 (29) 12.5 μg/m3 (51) 51.0
 
Sept. 21, 2020, 6 a.m. 13.0 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.43 ppb (5) 33.0 μg/m3 (30) 13.8 μg/m3 (54) 54.0
 
Sept. 21, 2020, 5 a.m. 14.1 ppb (13) 0.1 ppb (0) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) 0.42 ppb (5) 39.0 μg/m3 (35) 9.1 μg/m3 (38) 38.0
 
Sept. 21, 2020, 4 a.m. 8.9 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.39 ppb (4) 38.0 μg/m3 (35) 3.8 μg/m3 (16) 35.0
 
Sept. 21, 2020, 3 a.m. 7.7 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.36 ppb (4) 34.0 μg/m3 (31) 20.9 μg/m3 (69) 69.0
 
Sept. 21, 2020, 2 a.m. 7.6 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 47.0 ppb (36) 0.34 ppb (4) 27.0 μg/m3 (25) 3.8 μg/m3 (16) 36.0
 
Sept. 21, 2020, 1 a.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (51) 0.29 ppb (3) 27.0 μg/m3 (25) 6.9 μg/m3 (29) 51.0
 
Sept. 21, 2020, midnight 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 71.0 ppb (55) 0.26 ppb (3) 29.0 μg/m3 (26) 9.4 μg/m3 (39) 55.0
 
Sept. 20, 2020, 11 p.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 73.0 ppb (57) 0.27 ppb (3) 47.0 μg/m3 (43) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2020, 10 p.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 83.0 ppb (65) 0.29 ppb (3) 37.0 μg/m3 (34) 14.3 μg/m3 (55) 65.0
 
Sept. 20, 2020, 9 p.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 84.0 ppb (66) 0.32 ppb (4) 29.0 μg/m3 (26) 15.3 μg/m3 (57) 66.0
 
Sept. 20, 2020, 8 p.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 92.0 ppb (72) 0.44 ppb (5) 40.0 μg/m3 (36) 14.8 μg/m3 (56) 72.0
 
Sept. 20, 2020, 7 p.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 71.0 ppb (55) 0.34 ppb (4) 27.0 μg/m3 (25) 13.8 μg/m3 (54) 55.0
 
Sept. 20, 2020, 6 p.m. 11.6 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 64.0 ppb (49) 0.41 ppb (5) 42.0 μg/m3 (38) 14.3 μg/m3 (55) 55.0
 
Sept. 20, 2020, 5 p.m. 15.1 ppb (14) 2.4 ppb (2) N/A 13.0 ppb (12) N/A N/A 48.0 ppb (37) 0.47 ppb (5) 42.0 μg/m3 (38) 26.0 μg/m3 (80) 80.0
 
Sept. 20, 2020, 4 p.m. 24.6 ppb (23) 5.8 ppb (5) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (25) 0.54 ppb (6) 53.0 μg/m3 (48) 22.3 μg/m3 (72) 72.0
 
Sept. 20, 2020, 3 p.m. 32.9 ppb (30) 9.9 ppb (9) N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.59 ppb (7) 49.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
Sept. 20, 2020, 2 p.m. 30.5 ppb (28) 8.7 ppb (8) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) 0.64 ppb (7) 36.0 μg/m3 (33) 11.5 μg/m3 (48) 48.0
 
Sept. 20, 2020, 1 p.m. 20.8 ppb (19) 2.9 ppb (3) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.44 ppb (5) 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2020, noon 20.7 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.44 ppb (5) 32.0 μg/m3 (29) 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 11 a.m. 12.4 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.34 ppb (4) 28.0 μg/m3 (25) 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2020, 10 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.38 ppb (4) 26.0 μg/m3 (24) 3.5 μg/m3 (15) 24.0
 
Sept. 20, 2020, 9 a.m. 18.0 ppb (17) 0.7 ppb (1) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.47 ppb (5) 24.0 μg/m3 (22) 2.8 μg/m3 (12) 22.0
 
Sept. 20, 2020, 8 a.m. 15.0 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.48 ppb (5) 29.0 μg/m3 (26) 2.8 μg/m3 (12) 26.0
 
Sept. 20, 2020, 7 a.m. 17.4 ppb (16) 0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.55 ppb (6) 30.0 μg/m3 (27) 2.3 μg/m3 (10) 27.0
 
Sept. 20, 2020, 6 a.m. 23.6 ppb (22) 1.3 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.67 ppb (7) 42.0 μg/m3 (38) 18.6 μg/m3 (64) 64.0
 
Sept. 20, 2020, 5 a.m. 19.4 ppb (18) 0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) 0.6 ppb (7) 47.0 μg/m3 (43) 14.5 μg/m3 (55) 55.0
 
Sept. 20, 2020, 4 a.m. 15.5 ppb (14) -0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) 0.53 ppb (6) 44.0 μg/m3 (40) 14.3 μg/m3 (55) 55.0
 
Sept. 20, 2020, 3 a.m. 14.4 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 44.0 ppb (34) 0.48 ppb (5) 45.0 μg/m3 (41) 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 2 a.m. 9.8 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 62.0 ppb (48) 0.45 ppb (5) 43.0 μg/m3 (39) 7.7 μg/m3 (32) 48.0
 
Sept. 20, 2020, 1 a.m. 6.3 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (52) 0.32 ppb (4) 33.0 μg/m3 (30) 2.4 μg/m3 (10) 52.0
 
Sept. 20, 2020, midnight 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.25 ppb (3) 23.0 μg/m3 (21) 3.8 μg/m3 (16) 48.0
 
Sept. 19, 2020, 11 p.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) 0.22 ppb (2) 24.0 μg/m3 (22) 7.5 μg/m3 (31) 48.0
 
Sept. 19, 2020, 10 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) 0.2 ppb (2) 20.0 μg/m3 (18) 7.5 μg/m3 (31) 47.0
 
Sept. 19, 2020, 9 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) 0.2 ppb (2) 18.0 μg/m3 (16) 6.7 μg/m3 (28) 46.0
 
Sept. 19, 2020, 8 p.m. 4.2 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 78.0 ppb (61) 0.26 ppb (3) 31.0 μg/m3 (28) 5.7 μg/m3 (24) 61.0
 
Sept. 19, 2020, 7 p.m. 5.9 ppb (5) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 67.0 ppb (52) 0.26 ppb (3) 32.0 μg/m3 (29) 6.7 μg/m3 (28) 52.0
 
Sept. 19, 2020, 6 p.m. 17.3 ppb (16) 2.4 ppb (2) N/A 15.0 ppb (14) N/A N/A 59.0 ppb (45) 0.36 ppb (4) 43.0 μg/m3 (39) 22.1 μg/m3 (71) 71.0
 
Sept. 19, 2020, 5 p.m. 36.0 ppb (33) 7.1 ppb (7) N/A 29.0 ppb (27) N/A N/A 42.0 ppb (32) 0.52 ppb (6) 51.0 μg/m3 (46) 18.2 μg/m3 (63) 63.0
 
Sept. 19, 2020, 4 p.m. 31.9 ppb (30) 6.2 ppb (6) N/A 26.0 ppb (24) N/A N/A 39.0 ppb (30) 0.54 ppb (6) 52.0 μg/m3 (47) 19.6 μg/m3 (66) 66.0
 
Sept. 19, 2020, 3 p.m. 29.0 ppb (27) 5.7 ppb (5) N/A 23.0 ppb (21) N/A N/A 30.0 ppb (23) 0.57 ppb (6) 54.0 μg/m3 (49) 17.6 μg/m3 (62) 62.0
 
Sept. 19, 2020, 2 p.m. 28.4 ppb (26) 5.5 ppb (5) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) 0.69 ppb (8) 45.0 μg/m3 (41) 26.5 μg/m3 (81) 81.0
 
Sept. 19, 2020, 1 p.m. 24.9 ppb (23) 0.8 ppb (1) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) 0.57 ppb (6) 39.0 μg/m3 (35) 22.5 μg/m3 (72) 72.0
 
Sept. 19, 2020, noon 21.4 ppb (20) 0.5 ppb (0) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.63 ppb (7) 44.0 μg/m3 (40) 22.5 μg/m3 (72) 72.0
 
Sept. 19, 2020, 11 a.m. 18.8 ppb (17) -0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.61 ppb (7) 62.0 μg/m3 (54) 30.7 μg/m3 (90) 90.0
 
Sept. 19, 2020, 10 a.m. 18.0 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.61 ppb (7) 59.0 μg/m3 (52) 29.2 μg/m3 (87) 87.0
 
Sept. 19, 2020, 9 a.m. 18.9 ppb (18) -0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.6 ppb (7) 55.0 μg/m3 (50) 32.0 μg/m3 (93) 93.0
 
Sept. 19, 2020, 8 a.m. 22.5 ppb (21) 0.3 ppb (0) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.62 ppb (7) 53.0 μg/m3 (48) 27.5 μg/m3 (83) 83.0
 
Sept. 19, 2020, 7 a.m. 29.1 ppb (27) 0.3 ppb (0) N/A 29.0 ppb (27) N/A N/A 20.0 ppb (15) 0.72 ppb (8) 44.0 μg/m3 (40) 21.8 μg/m3 (71) 71.0
 
Sept. 19, 2020, 6 a.m. 25.8 ppb (24) 0.0 ppb (0) N/A 26.0 ppb (24) N/A N/A 26.0 ppb (20) 0.63 ppb (7) 44.0 μg/m3 (40) 20.8 μg/m3 (69) 69.0
 
Sept. 19, 2020, 5 a.m. 21.0 ppb (19) 0.1 ppb (0) N/A 21.0 ppb (19) N/A N/A 34.0 ppb (26) 0.61 ppb (7) 58.0 μg/m3 (52) 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 4 a.m. 24.1 ppb (22) 1.0 ppb (1) N/A 23.0 ppb (21) N/A N/A 38.0 ppb (29) 0.6 ppb (7) 64.0 μg/m3 (54) 23.0 μg/m3 (73) 73.0
 
Sept. 19, 2020, 3 a.m. 17.2 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A 57.0 ppb (44) 0.45 ppb (5) 56.0 μg/m3 (50) 10.6 μg/m3 (44) 50.0
 
Sept. 19, 2020, 2 a.m. 15.5 ppb (14) -0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 73.0 ppb (57) 0.4 ppb (4) 39.0 μg/m3 (35) 10.1 μg/m3 (42) 57.0
 
Sept. 19, 2020, 1 a.m. 19.2 ppb (18) 0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 94.0 ppb (74) 0.48 ppb (5) 64.0 μg/m3 (54) 22.4 μg/m3 (72) 74.0
 
Sept. 19, 2020, midnight 7.4 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 74.0 ppb (57) 0.25 ppb (3) 29.0 μg/m3 (26) 5.8 μg/m3 (24) 57.0
 
Sept. 18, 2020, 11 p.m. 5.8 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 79.0 ppb (62) 0.22 ppb (2) 28.0 μg/m3 (25) 6.7 μg/m3 (28) 62.0
 
Sept. 18, 2020, 10 p.m. 9.3 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 85.0 ppb (67) 0.28 ppb (3) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 67.0
 
Sept. 18, 2020, 9 p.m. 11.4 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 76.0 ppb (59) 0.26 ppb (3) 21.0 μg/m3 (19) 7.5 μg/m3 (31) 59.0
 
Sept. 18, 2020, 8 p.m. 12.1 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 65.0 ppb (50) 0.24 ppb (3) 26.0 μg/m3 (24) 6.0 μg/m3 (25) 50.0
 
Sept. 18, 2020, 7 p.m. 12.4 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 64.0 ppb (49) 0.26 ppb (3) 23.0 μg/m3 (21) 9.2 μg/m3 (38) 49.0
 
Sept. 18, 2020, 6 p.m. 18.0 ppb (17) 2.2 ppb (2) N/A 16.0 ppb (15) N/A N/A 61.0 ppb (47) 0.31 ppb (3) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
Sept. 18, 2020, 5 p.m. 19.7 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A N/A 59.0 ppb (45) 0.4 ppb (4) 33.0 μg/m3 (30) 13.3 μg/m3 (53) 53.0
 
Sept. 18, 2020, 4 p.m. 31.8 ppb (29) 5.6 ppb (5) N/A 26.0 ppb (24) N/A N/A 42.0 ppb (32) 0.56 ppb (6) 38.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2020, 3 p.m. 65.7 ppb (62) 24.6 ppb (23) N/A 41.0 ppb (38) N/A N/A 14.0 ppb (11) 0.82 ppb (9) 67.0 μg/m3 (56) 20.1 μg/m3 (67) 67.0
 
Sept. 18, 2020, 2 p.m. 47.4 ppb (44) 13.3 ppb (12) N/A 34.0 ppb (31) N/A N/A 10.0 ppb (8) 0.67 ppb (7) 70.0 μg/m3 (58) 17.4 μg/m3 (61) 61.0
 
Sept. 18, 2020, 1 p.m. 42.7 ppb (40) 5.4 ppb (5) N/A 37.0 ppb (34) N/A N/A 7.0 ppb (5) 0.82 ppb (9) 68.0 μg/m3 (56) 13.3 μg/m3 (53) 56.0
 
Sept. 18, 2020, noon 28.8 ppb (27) 1.0 ppb (1) N/A 28.0 ppb (26) N/A N/A 15.0 ppb (12) 0.54 ppb (6) 39.0 μg/m3 (35) 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 11 a.m. 21.1 ppb (20) 0.2 ppb (0) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.47 ppb (5) 36.0 μg/m3 (33) 11.6 μg/m3 (48) 48.0
 
Sept. 18, 2020, 10 a.m. 20.6 ppb (19) 0.0 ppb (0) N/A 21.0 ppb (19) N/A N/A 20.0 ppb (15) 0.49 ppb (5) 37.0 μg/m3 (34) 13.8 μg/m3 (54) 54.0
 
Sept. 18, 2020, 9 a.m. 18.7 ppb (17) -0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) 0.43 ppb (5) 33.0 μg/m3 (30) 15.3 μg/m3 (57) 57.0
 
Sept. 18, 2020, 8 a.m. 25.1 ppb (23) 0.3 ppb (0) N/A 25.0 ppb (23) N/A N/A 17.0 ppb (13) 0.47 ppb (5) 40.0 μg/m3 (36) 13.5 μg/m3 (53) 53.0
 
Sept. 18, 2020, 7 a.m. 30.5 ppb (28) 0.7 ppb (1) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 0.54 ppb (6) 32.0 μg/m3 (29) 10.6 μg/m3 (44) 44.0
 
Sept. 18, 2020, 6 a.m. 33.1 ppb (31) 2.9 ppb (3) N/A 30.0 ppb (28) N/A N/A 10.0 ppb (8) 0.59 ppb (7) 41.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2020, 5 a.m. 32.6 ppb (30) 0.6 ppb (1) N/A 32.0 ppb (30) N/A N/A 15.0 ppb (12) 0.64 ppb (7) 44.0 μg/m3 (40) 14.5 μg/m3 (55) 55.0
 
Sept. 18, 2020, 4 a.m. 28.4 ppb (26) 0.6 ppb (1) N/A 28.0 ppb (26) N/A N/A 25.0 ppb (19) 0.61 ppb (7) 50.0 μg/m3 (45) 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2020, 3 a.m. 28.4 ppb (26) 0.0 ppb (0) N/A 28.0 ppb (26) N/A N/A 34.0 ppb (26) 0.51 ppb (6) 47.0 μg/m3 (43) 10.1 μg/m3 (42) 43.0
 
Sept. 18, 2020, 2 a.m. 24.7 ppb (23) 0.6 ppb (1) N/A 24.0 ppb (22) N/A N/A 49.0 ppb (38) 0.46 ppb (5) 39.0 μg/m3 (35) 11.4 μg/m3 (48) 48.0
 
Sept. 18, 2020, 1 a.m. 22.7 ppb (21) 0.2 ppb (0) N/A 22.0 ppb (20) N/A N/A 76.0 ppb (59) 0.44 ppb (5) 43.0 μg/m3 (39) 6.2 μg/m3 (26) 59.0
 
Sept. 18, 2020, midnight 15.0 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A 87.0 ppb (68) 0.33 ppb (4) 33.0 μg/m3 (30) 3.6 μg/m3 (15) 68.0
 
Sept. 17, 2020, 11 p.m. 11.5 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 98.0 ppb (78) 0.31 ppb (3) 35.0 μg/m3 (32) 19.9 μg/m3 (67) 78.0
 
Sept. 17, 2020, 10 p.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 88.0 ppb (69) 0.25 ppb (3) 30.0 μg/m3 (27) 8.9 μg/m3 (37) 69.0
 
Sept. 17, 2020, 9 p.m. 8.5 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 83.0 ppb (65) 0.26 ppb (3) 28.0 μg/m3 (25) 21.9 μg/m3 (71) 71.0
 
Sept. 17, 2020, 8 p.m. 7.5 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 72.0 ppb (56) 0.23 ppb (3) 23.0 μg/m3 (21) 17.2 μg/m3 (61) 61.0
 
Sept. 17, 2020, 7 p.m. 16.3 ppb (15) 2.2 ppb (2) N/A 14.0 ppb (13) N/A N/A 58.0 ppb (45) 0.31 ppb (3) 32.0 μg/m3 (29) 18.2 μg/m3 (63) 63.0
 
Sept. 17, 2020, 6 p.m. 18.6 ppb (17) 2.3 ppb (2) N/A 16.0 ppb (15) N/A N/A 63.0 ppb (48) 0.44 ppb (5) 50.0 μg/m3 (45) 25.8 μg/m3 (79) 79.0
 
Sept. 17, 2020, 5 p.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 68.0 ppb (52) 0.47 ppb (5) 53.0 μg/m3 (48) 38.7 μg/m3 (108) 108.0
 
Sept. 17, 2020, 4 p.m. 20.7 ppb (19) 2.3 ppb (2) N/A 18.0 ppb (17) N/A N/A 46.0 ppb (35) 0.6 ppb (7) 66.0 μg/m3 (56) 41.8 μg/m3 (116) 116.0
 
Sept. 17, 2020, 3 p.m. 33.1 ppb (31) 6.0 ppb (6) N/A 27.0 ppb (25) N/A N/A 23.0 ppb (18) 0.85 ppb (9) 63.0 μg/m3 (54) 36.2 μg/m3 (102) 102.0
 
Sept. 17, 2020, 2 p.m. 36.3 ppb (34) 6.6 ppb (6) N/A 30.0 ppb (28) N/A N/A 14.0 ppb (11) 0.71 ppb (8) 56.0 μg/m3 (50) 30.7 μg/m3 (90) 90.0
 
Sept. 17, 2020, 1 p.m. 28.6 ppb (26) 2.0 ppb (2) N/A 27.0 ppb (25) N/A N/A 17.0 ppb (13) 0.51 ppb (6) 52.0 μg/m3 (47) 24.7 μg/m3 (77) 77.0
 
Sept. 17, 2020, noon 24.7 ppb (23) 0.5 ppb (0) N/A 24.0 ppb (22) N/A N/A 19.0 ppb (15) 0.5 ppb (6) 55.0 μg/m3 (50) 22.0 μg/m3 (71) 71.0
 
Sept. 17, 2020, 11 a.m. 17.6 ppb (16) 0.0 ppb (0) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.39 ppb (4) 46.0 μg/m3 (42) 24.2 μg/m3 (76) 76.0
 
Sept. 17, 2020, 10 a.m. 20.0 ppb (19) 0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.37 ppb (4) 40.0 μg/m3 (36) 18.6 μg/m3 (64) 64.0
 
Sept. 17, 2020, 9 a.m. 28.6 ppb (26) 1.6 ppb (1) N/A 27.0 ppb (25) N/A N/A 16.0 ppb (12) 0.46 ppb (5) 40.0 μg/m3 (36) 26.2 μg/m3 (80) 80.0
 
Sept. 17, 2020, 8 a.m. 20.5 ppb (19) 0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (17) 0.47 ppb (5) 39.0 μg/m3 (35) 24.8 μg/m3 (77) 77.0
 
Sept. 17, 2020, 7 a.m. 18.2 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A N/A 29.0 ppb (22) 0.52 ppb (6) 42.0 μg/m3 (38) 23.3 μg/m3 (74) 74.0
 
Sept. 17, 2020, 2 a.m. 19.3 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 44.0 ppb (34) 0.4 ppb (4) 40.0 μg/m3 (36) 19.1 μg/m3 (65) 65.0
 
Sept. 17, 2020, 1 a.m. 13.8 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 67.0 ppb (52) 0.44 ppb (5) 56.0 μg/m3 (50) 18.2 μg/m3 (63) 63.0
 
Sept. 17, 2020, midnight 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 80.0 ppb (62) 0.37 ppb (4) 48.0 μg/m3 (44) 17.2 μg/m3 (61) 62.0
 
Sept. 16, 2020, 11 p.m. 9.3 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 122.0 ppb (98) 0.5 ppb (6) 75.0 μg/m3 (60) 36.0 μg/m3 (101) 101.0
 
Sept. 16, 2020, 10 p.m. 12.3 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 133.0 ppb (110) 0.62 ppb (7) 96.0 μg/m3 (70) 40.5 μg/m3 (112) 112.0
 
Sept. 16, 2020, 9 p.m. 8.4 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 97.0 ppb (77) 0.43 ppb (5) 61.0 μg/m3 (53) 28.1 μg/m3 (84) 84.0
 
Sept. 16, 2020, 8 p.m. 5.2 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (52) 0.3 ppb (3) 46.0 μg/m3 (42) 17.7 μg/m3 (62) 62.0
 
Sept. 16, 2020, 7 p.m. 12.3 ppb (11) 0.7 ppb (1) N/A 12.0 ppb (11) N/A N/A 70.0 ppb (54) 0.51 ppb (6) 71.0 μg/m3 (58) 36.7 μg/m3 (103) 103.0
 
Sept. 16, 2020, 6 p.m. 20.6 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 58.0 ppb (45) 0.55 ppb (6) 80.0 μg/m3 (62) 37.2 μg/m3 (104) 104.0
 
Sept. 16, 2020, 5 p.m. 11.7 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) 0.6 ppb (7) 66.0 μg/m3 (56) 39.7 μg/m3 (110) 110.0
 
Sept. 16, 2020, 4 p.m. 11.7 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 54.0 ppb (42) 0.6 ppb (7) 71.0 μg/m3 (58) 44.2 μg/m3 (122) 122.0
 
Sept. 16, 2020, 3 p.m. 32.7 ppb (30) 3.6 ppb (3) N/A 29.0 ppb (27) N/A N/A 25.0 ppb (19) 0.85 ppb (9) 85.0 μg/m3 (65) 48.9 μg/m3 (134) 134.0
 
Sept. 16, 2020, 2 p.m. 35.2 ppb (33) 2.4 ppb (2) N/A 33.0 ppb (31) N/A N/A 20.0 ppb (15) 0.75 ppb (8) 68.0 μg/m3 (56) 44.2 μg/m3 (122) 122.0
 
Sept. 16, 2020, 1 p.m. 31.7 ppb (29) 1.3 ppb (1) N/A 30.0 ppb (28) N/A N/A 19.0 ppb (15) 0.74 ppb (8) 75.0 μg/m3 (60) 44.7 μg/m3 (123) 123.0
 
Sept. 16, 2020, noon 22.9 ppb (21) 0.2 ppb (0) N/A 23.0 ppb (21) N/A N/A 25.0 ppb (19) 0.75 ppb (8) 77.0 μg/m3 (61) 52.8 μg/m3 (143) 143.0
 
Sept. 16, 2020, 11 a.m. 15.9 ppb (15) -0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 31.0 ppb (24) 0.76 ppb (8) 90.0 μg/m3 (68) 56.5 μg/m3 (151) 151.0
 
Sept. 16, 2020, 10 a.m. 16.2 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 33.0 ppb (25) 0.63 ppb (7) 68.0 μg/m3 (56) 41.1 μg/m3 (114) 114.0
 
Sept. 16, 2020, 9 a.m. 20.1 ppb (19) -0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (21) 0.66 ppb (7) 74.0 μg/m3 (60) 40.9 μg/m3 (114) 114.0
 
Sept. 16, 2020, 8 a.m. 19.9 ppb (18) 0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 30.0 ppb (23) 0.68 ppb (8) 68.0 μg/m3 (56) 38.1 μg/m3 (106) 106.0
 
Sept. 16, 2020, 7 a.m. 21.3 ppb (20) -0.1 ppb (0) N/A 21.0 ppb (19) N/A N/A 27.0 ppb (21) 0.74 ppb (8) 72.0 μg/m3 (58) 47.4 μg/m3 (130) 130.0
 
Sept. 16, 2020, 6 a.m. 24.3 ppb (23) 0.0 ppb (0) N/A 24.0 ppb (22) N/A N/A 27.0 ppb (21) 0.81 ppb (9) 76.0 μg/m3 (60) 46.9 μg/m3 (128) 128.0
 
Sept. 16, 2020, 5 a.m. 25.8 ppb (24) 0.0 ppb (0) N/A 26.0 ppb (24) N/A N/A 28.0 ppb (22) 0.86 ppb (10) 76.0 μg/m3 (60) 45.2 μg/m3 (124) 124.0
 
Sept. 16, 2020, 4 a.m. 31.1 ppb (29) 0.4 ppb (0) N/A 31.0 ppb (29) N/A N/A 24.0 ppb (18) 0.93 ppb (10) 81.0 μg/m3 (63) 35.7 μg/m3 (100) 100.0
 
Sept. 16, 2020, 3 a.m. 22.0 ppb (20) -0.1 ppb (0) N/A 22.0 ppb (20) N/A N/A 41.0 ppb (32) 0.75 ppb (8) 73.0 μg/m3 (59) 35.2 μg/m3 (99) 99.0
 
Sept. 16, 2020, 2 a.m. 20.8 ppb (19) 0.4 ppb (0) N/A 20.0 ppb (19) N/A N/A 55.0 ppb (42) 0.71 ppb (8) 76.0 μg/m3 (60) 34.5 μg/m3 (98) 98.0
 
Sept. 16, 2020, 1 a.m. 15.7 ppb (15) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 77.0 ppb (60) 0.65 ppb (7) 70.0 μg/m3 (58) 33.1 μg/m3 (95) 95.0
 
Sept. 16, 2020, midnight 16.1 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 94.0 ppb (74) 0.66 ppb (7) 71.0 μg/m3 (58) 34.3 μg/m3 (97) 97.0
 
Sept. 15, 2020, 11 p.m. 12.6 ppb (12) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 91.0 ppb (72) 0.49 ppb (5) 58.0 μg/m3 (52) 27.3 μg/m3 (83) 83.0
 
Sept. 15, 2020, 10 p.m. 9.8 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 91.0 ppb (72) 0.47 ppb (5) 64.0 μg/m3 (54) 30.4 μg/m3 (89) 89.0
 
Sept. 15, 2020, 9 p.m. 11.8 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 95.0 ppb (75) 0.55 ppb (6) 68.0 μg/m3 (56) 34.5 μg/m3 (98) 98.0
 
Sept. 15, 2020, 8 p.m. 13.9 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 91.0 ppb (72) 0.58 ppb (6) 66.0 μg/m3 (56) 31.6 μg/m3 (92) 92.0
 
Sept. 15, 2020, 7 p.m. 17.6 ppb (16) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 83.0 ppb (65) 0.58 ppb (6) 70.0 μg/m3 (58) 39.9 μg/m3 (111) 111.0
 
Sept. 15, 2020, 6 p.m. 20.9 ppb (19) 1.3 ppb (1) N/A 20.0 ppb (19) N/A N/A 80.0 ppb (62) 0.7 ppb (8) 85.0 μg/m3 (65) 47.5 μg/m3 (130) 130.0
 
Sept. 15, 2020, 5 p.m. 32.2 ppb (30) 3.4 ppb (3) N/A 29.0 ppb (27) N/A N/A 58.0 ppb (45) 0.82 ppb (9) 102.0 μg/m3 (74) 50.2 μg/m3 (137) 137.0
 
Sept. 15, 2020, 4 p.m. 42.6 ppb (39) 7.1 ppb (7) N/A 35.0 ppb (32) N/A N/A 33.0 ppb (25) 0.92 ppb (10) 109.0 μg/m3 (77) 56.6 μg/m3 (151) 151.0
 
Sept. 15, 2020, 3 p.m. 39.8 ppb (37) 6.4 ppb (6) N/A 33.0 ppb (31) N/A N/A 24.0 ppb (18) 0.97 ppb (11) 99.0 μg/m3 (72) 48.9 μg/m3 (134) 134.0
 
Sept. 15, 2020, 2 p.m. 55.7 ppb (52) 16.8 ppb (16) N/A 39.0 ppb (36) N/A N/A 6.0 ppb (5) 1.16 ppb (13) 88.0 μg/m3 (66) 43.5 μg/m3 (120) 120.0
 
Sept. 15, 2020, 1 p.m. 47.4 ppb (44) 9.4 ppb (9) N/A 38.0 ppb (35) N/A N/A 6.0 ppb (5) 1.01 ppb (11) 78.0 μg/m3 (62) 46.9 μg/m3 (128) 128.0
 
Sept. 15, 2020, noon 30.3 ppb (28) 1.4 ppb (1) N/A 29.0 ppb (27) N/A N/A 13.0 ppb (10) 0.94 ppb (10) 78.0 μg/m3 (62) 44.5 μg/m3 (122) 122.0
 
Sept. 15, 2020, 11 a.m. 22.4 ppb (21) -0.1 ppb (0) N/A 22.0 ppb (20) N/A N/A 21.0 ppb (16) 0.85 ppb (9) 79.0 μg/m3 (62) 45.2 μg/m3 (124) 124.0
 
Sept. 15, 2020, 10 a.m. 20.6 ppb (19) -0.1 ppb (0) N/A 21.0 ppb (19) N/A N/A 24.0 ppb (18) 0.84 ppb (9) 81.0 μg/m3 (63) 58.4 μg/m3 (152) 152.0
 
Sept. 15, 2020, 9 a.m. 19.5 ppb (18) -0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 26.0 ppb (20) 0.86 ppb (10) 83.0 μg/m3 (64) 51.1 μg/m3 (139) 139.0
 
Sept. 15, 2020, 8 a.m. 20.2 ppb (19) -0.2 ppb (0) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (21) 0.88 ppb (10) 80.0 μg/m3 (62) 56.5 μg/m3 (151) 151.0
 
Sept. 15, 2020, 7 a.m. 22.6 ppb (21) 0.0 ppb (0) N/A 23.0 ppb (21) N/A N/A 27.0 ppb (21) 0.99 ppb (11) 111.0 μg/m3 (78) 50.1 μg/m3 (136) 136.0
 
Sept. 15, 2020, 6 a.m. 24.3 ppb (23) 0.2 ppb (0) N/A 24.0 ppb (22) N/A N/A 23.0 ppb (18) 1.05 ppb (12) 89.0 μg/m3 (67) 50.3 μg/m3 (137) 137.0
 
Sept. 15, 2020, 5 a.m. 30.9 ppb (29) 0.8 ppb (1) N/A 30.0 ppb (28) N/A N/A 23.0 ppb (18) 1.16 ppb (13) 98.0 μg/m3 (72) 58.7 μg/m3 (152) 152.0
 
Sept. 15, 2020, 4 a.m. 29.3 ppb (27) 0.6 ppb (1) N/A 29.0 ppb (27) N/A N/A 37.0 ppb (28) 1.17 ppb (13) 109.0 μg/m3 (77) 64.8 μg/m3 (155) 155.0
 
Sept. 15, 2020, 3 a.m. 30.8 ppb (29) 1.0 ppb (1) N/A 30.0 ppb (28) N/A N/A 49.0 ppb (38) 1.22 ppb (14) 124.0 μg/m3 (84) 66.8 μg/m3 (156) 156.0
 
Sept. 15, 2020, 2 a.m. 21.4 ppb (20) -0.1 ppb (0) N/A 22.0 ppb (20) N/A N/A 85.0 ppb (67) 1.11 ppb (12) 124.0 μg/m3 (84) 81.2 μg/m3 (164) 164.0
 
Sept. 15, 2020, 1 a.m. 18.3 ppb (17) -0.1 ppb (0) N/A 18.0 ppb (17) N/A N/A 105.0 ppb (83) 0.98 ppb (11) 112.0 μg/m3 (78) 54.8 μg/m3 (148) 148.0
 
Sept. 15, 2020, midnight 15.9 ppb (15) 0.0 ppb (0) N/A 16.0 ppb (15) N/A N/A 113.0 ppb (90) 0.89 ppb (10) 85.0 μg/m3 (65) 42.1 μg/m3 (116) 116.0
 
Sept. 14, 2020, 11 p.m. 12.7 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 117.0 ppb (93) 0.72 ppb (8) 90.0 μg/m3 (68) 36.3 μg/m3 (102) 102.0
 
Sept. 14, 2020, 10 p.m. 9.8 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 116.0 ppb (92) 0.63 ppb (7) 86.0 μg/m3 (66) 39.0 μg/m3 (109) 109.0
 
Sept. 14, 2020, 9 p.m. 13.4 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 107.0 ppb (85) 0.71 ppb (8) 85.0 μg/m3 (65) 35.0 μg/m3 (99) 99.0
 
Sept. 14, 2020, 8 p.m. 20.1 ppb (19) 1.1 ppb (1) N/A 19.0 ppb (18) N/A N/A 86.0 ppb (68) 0.78 ppb (9) 85.0 μg/m3 (65) 41.4 μg/m3 (115) 115.0
 
Sept. 14, 2020, 7 p.m. 26.4 ppb (24) 2.0 ppb (2) N/A 24.0 ppb (22) N/A N/A 75.0 ppb (58) 0.81 ppb (9) 84.0 μg/m3 (64) 43.5 μg/m3 (120) 120.0
 
Sept. 14, 2020, 6 p.m. 35.8 ppb (33) 3.5 ppb (3) N/A 32.0 ppb (30) N/A N/A 63.0 ppb (48) 0.89 ppb (10) 102.0 μg/m3 (74) 51.4 μg/m3 (140) 140.0
 
Sept. 14, 2020, 5 p.m. 23.2 ppb (21) 1.8 ppb (2) N/A 21.0 ppb (19) N/A N/A 65.0 ppb (50) 0.82 ppb (9) 102.0 μg/m3 (74) 56.1 μg/m3 (150) 150.0
 
Sept. 14, 2020, 4 p.m. 21.0 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 54.0 ppb (42) 0.85 ppb (9) 91.0 μg/m3 (68) 52.6 μg/m3 (143) 143.0
 
Sept. 14, 2020, 3 p.m. 29.3 ppb (27) 2.8 ppb (3) N/A 27.0 ppb (25) N/A N/A 34.0 ppb (26) 1.1 ppb (12) 239.0 μg/m3 (142) 60.8 μg/m3 (153) 153.0
 
Sept. 14, 2020, 2 p.m. 34.5 ppb (32) 3.4 ppb (3) N/A 31.0 ppb (29) N/A N/A 19.0 ppb (15) 1.1 ppb (12) 94.0 μg/m3 (70) 53.8 μg/m3 (146) 146.0
 
Sept. 14, 2020, 1 p.m. 27.4 ppb (25) 1.0 ppb (1) N/A 26.0 ppb (24) N/A N/A 21.0 ppb (16) 0.93 ppb (10) 83.0 μg/m3 (64) 54.1 μg/m3 (146) 146.0
 
Sept. 14, 2020, noon 21.0 ppb (19) 0.1 ppb (0) N/A 21.0 ppb (19) N/A N/A 23.0 ppb (18) 0.89 ppb (10) 83.0 μg/m3 (64) 48.2 μg/m3 (132) 132.0
 
Sept. 14, 2020, 11 a.m. 20.1 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.83 ppb (9) 75.0 μg/m3 (60) 44.0 μg/m3 (121) 121.0
 
Sept. 14, 2020, 10 a.m. 20.1 ppb (19) 0.3 ppb (0) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (15) 0.98 ppb (11) 116.0 μg/m3 (80) 50.1 μg/m3 (136) 136.0
 
Sept. 14, 2020, 9 a.m. 16.8 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.94 ppb (10) 91.0 μg/m3 (68) 49.9 μg/m3 (136) 136.0
 
Sept. 14, 2020, 8 a.m. 17.7 ppb (16) -0.2 ppb (0) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.94 ppb (10) 68.0 μg/m3 (56) 49.6 μg/m3 (135) 135.0
 
Sept. 14, 2020, 7 a.m. 17.7 ppb (16) -0.1 ppb (0) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.95 ppb (11) 67.0 μg/m3 (56) 50.3 μg/m3 (137) 137.0