AQSQID: 060711004

Site Name: Upland

Location: Upland (Los Olivos), CA

Reporting: True, Located: True

Current AQI: 40.0

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
Jan. 27, 2020, 10 p.m. 8.0 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) 0.2 ppb (2) 21.0 μg/m3 (19) 9.7 μg/m3 (40) 40.0
 
Jan. 27, 2020, 9 p.m. 15.8 ppb (15) 3.3 ppb (3) N/A 13.0 ppb (12) N/A N/A 41.0 ppb (32) 0.3 ppb (3) 32.0 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
Jan. 27, 2020, 8 p.m. 17.0 ppb (16) 3.9 ppb (4) N/A 13.0 ppb (12) N/A N/A 39.0 ppb (30) 0.33 ppb (4) 31.0 μg/m3 (28) 11.6 μg/m3 (48) 48.0
 
Jan. 27, 2020, 7 p.m. 19.6 ppb (18) 4.5 ppb (4) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.35 ppb (4) 34.0 μg/m3 (31) 25.8 μg/m3 (79) 79.0
 
Jan. 27, 2020, 6 p.m. 24.4 ppb (23) 7.3 ppb (7) N/A 17.0 ppb (16) N/A N/A 27.0 ppb (21) 0.43 ppb (5) 49.0 μg/m3 (45) 36.5 μg/m3 (102) 102.0
 
Jan. 27, 2020, 5 p.m. 23.1 ppb (21) 7.5 ppb (7) N/A 16.0 ppb (15) N/A N/A 24.0 ppb (18) 0.41 ppb (5) 47.0 μg/m3 (43) 36.2 μg/m3 (102) 102.0
 
Jan. 27, 2020, 4 p.m. 22.8 ppb (21) 6.9 ppb (6) N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) 0.46 ppb (5) 53.0 μg/m3 (48) 40.9 μg/m3 (114) 114.0
 
Jan. 27, 2020, 3 p.m. 34.8 ppb (32) 13.2 ppb (12) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) 0.59 ppb (7) 41.0 μg/m3 (37) 22.8 μg/m3 (73) 73.0
 
Jan. 27, 2020, 2 p.m. 21.9 ppb (20) 3.0 ppb (3) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.5 ppb (6) 62.0 μg/m3 (54) 40.2 μg/m3 (112) 112.0
 
Jan. 27, 2020, 1 p.m. 16.2 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) 0.49 ppb (5) 69.0 μg/m3 (57) 49.9 μg/m3 (136) 136.0
 
Jan. 27, 2020, noon 14.7 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.44 ppb (5) 60.0 μg/m3 (52) 55.6 μg/m3 (150) 150.0
 
Jan. 27, 2020, 11 a.m. 15.3 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.44 ppb (5) 59.0 μg/m3 (52) 58.2 μg/m3 (151) 151.0
 
Jan. 27, 2020, 10 a.m. 11.4 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.43 ppb (5) 62.0 μg/m3 (54) 60.0 μg/m3 (152) 152.0
 
Jan. 27, 2020, 9 a.m. 9.5 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.42 ppb (5) 61.0 μg/m3 (53) 48.7 μg/m3 (133) 133.0
 
Jan. 27, 2020, 8 a.m. 9.6 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.43 ppb (5) 62.0 μg/m3 (54) 55.8 μg/m3 (150) 150.0
 
Jan. 27, 2020, 7 a.m. 13.2 ppb (12) 1.4 ppb (1) N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) 0.43 ppb (5) 55.0 μg/m3 (50) 42.2 μg/m3 (117) 117.0
 
Jan. 27, 2020, 6 a.m. 13.7 ppb (13) 0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.46 ppb (5) 62.0 μg/m3 (54) 46.0 μg/m3 (126) 126.0
 
Jan. 27, 2020, 5 a.m. 21.2 ppb (20) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.54 ppb (6) 57.0 μg/m3 (51) 52.7 μg/m3 (143) 143.0
 
Jan. 27, 2020, 4 a.m. 25.6 ppb (24) 1.9 ppb (2) N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.59 ppb (7) 52.0 μg/m3 (47) 38.0 μg/m3 (106) 106.0
 
Jan. 27, 2020, 3 a.m. 27.3 ppb (25) 2.3 ppb (2) N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) 0.6 ppb (7) 54.0 μg/m3 (49) 46.5 μg/m3 (128) 128.0
 
Jan. 27, 2020, 2 a.m. 22.9 ppb (21) 1.1 ppb (1) N/A 22.0 ppb (20) N/A N/A 18.0 ppb (14) 0.54 ppb (6) 93.0 μg/m3 (69) 83.4 μg/m3 (165) 165.0
 
Jan. 27, 2020, 1 a.m. 15.7 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) 0.44 ppb (5) 71.0 μg/m3 (58) 62.9 μg/m3 (154) 154.0
 
Jan. 27, 2020, midnight 12.5 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) 0.41 ppb (5) 47.0 μg/m3 (43) 37.7 μg/m3 (106) 106.0
 
Jan. 26, 2020, 11 p.m. 10.1 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.4 ppb (4) 39.0 μg/m3 (35) 26.3 μg/m3 (80) 80.0
 
Jan. 26, 2020, 10 p.m. 12.0 ppb (11) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.43 ppb (5) 44.0 μg/m3 (40) 39.7 μg/m3 (110) 110.0
 
Jan. 26, 2020, 9 p.m. 15.1 ppb (14) 4.2 ppb (4) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.47 ppb (5) 51.0 μg/m3 (46) 43.1 μg/m3 (119) 119.0
 
Jan. 26, 2020, 8 p.m. 20.8 ppb (19) 7.1 ppb (7) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) 0.52 ppb (6) 54.0 μg/m3 (49) 46.5 μg/m3 (128) 128.0
 
Jan. 26, 2020, 7 p.m. 25.7 ppb (24) 9.4 ppb (9) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.54 ppb (6) 48.0 μg/m3 (44) 44.8 μg/m3 (123) 123.0
 
Jan. 26, 2020, 6 p.m. 28.6 ppb (26) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.54 ppb (6) 45.0 μg/m3 (41) 43.3 μg/m3 (120) 120.0
 
Jan. 26, 2020, 5 p.m. 26.4 ppb (24) 8.8 ppb (8) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.52 ppb (6) 35.0 μg/m3 (32) 27.8 μg/m3 (84) 84.0
 
Jan. 26, 2020, 4 p.m. 23.6 ppb (22) 6.3 ppb (6) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.51 ppb (6) 33.0 μg/m3 (30) 27.0 μg/m3 (82) 82.0
 
Jan. 26, 2020, 3 p.m. 36.8 ppb (34) 13.2 ppb (12) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.65 ppb (7) 36.0 μg/m3 (33) 23.0 μg/m3 (73) 73.0
 
Jan. 26, 2020, 2 p.m. 19.8 ppb (18) 3.8 ppb (4) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.46 ppb (5) 29.0 μg/m3 (26) 14.1 μg/m3 (54) 54.0
 
Jan. 26, 2020, 1 p.m. 14.1 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.48 ppb (5) 23.0 μg/m3 (21) 14.1 μg/m3 (54) 54.0
 
Jan. 26, 2020, noon 24.3 ppb (23) 6.3 ppb (6) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.5 ppb (6) 25.0 μg/m3 (23) 12.6 μg/m3 (51) 51.0
 
Jan. 26, 2020, 11 a.m. 32.8 ppb (30) 9.1 ppb (8) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.64 ppb (7) 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
Jan. 26, 2020, 10 a.m. 37.9 ppb (35) 11.5 ppb (11) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.74 ppb (8) 43.0 μg/m3 (39) 25.6 μg/m3 (79) 79.0
 
Jan. 26, 2020, 9 a.m. 41.0 ppb (38) 12.2 ppb (11) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.81 ppb (9) 42.0 μg/m3 (38) 26.5 μg/m3 (81) 81.0
 
Jan. 26, 2020, 8 a.m. 37.9 ppb (35) 10.5 ppb (10) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 0.75 ppb (8) 41.0 μg/m3 (37) 24.1 μg/m3 (76) 76.0
 
Jan. 26, 2020, 7 a.m. 41.8 ppb (39) 9.5 ppb (9) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.8 ppb (9) 46.0 μg/m3 (42) 31.4 μg/m3 (91) 91.0
 
Jan. 26, 2020, 6 a.m. 49.1 ppb (45) 16.0 ppb (15) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.91 ppb (10) 56.0 μg/m3 (50) 33.6 μg/m3 (96) 96.0
 
Jan. 26, 2020, 5 a.m. 56.3 ppb (52) 21.1 ppb (20) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.97 ppb (11) 57.0 μg/m3 (51) 34.8 μg/m3 (99) 99.0
 
Jan. 26, 2020, 4 a.m. 44.7 ppb (41) 9.0 ppb (8) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.86 ppb (10) 57.0 μg/m3 (51) 28.6 μg/m3 (85) 85.0
 
Jan. 26, 2020, 3 a.m. 42.2 ppb (39) 6.2 ppb (6) N/A 36.0 ppb (33) N/A N/A 7.0 ppb (5) 0.81 ppb (9) 57.0 μg/m3 (51) 38.5 μg/m3 (108) 108.0
 
Jan. 26, 2020, 2 a.m. 35.5 ppb (33) 1.6 ppb (1) N/A 34.0 ppb (31) N/A N/A 17.0 ppb (13) 0.69 ppb (8) 57.0 μg/m3 (51) 31.1 μg/m3 (91) 91.0
 
Jan. 26, 2020, 1 a.m. 33.3 ppb (31) 0.8 ppb (1) N/A 33.0 ppb (31) N/A N/A 20.0 ppb (15) 0.63 ppb (7) 45.0 μg/m3 (41) 32.3 μg/m3 (93) 93.0
 
Jan. 26, 2020, midnight 25.4 ppb (24) 1.8 ppb (2) N/A 24.0 ppb (22) N/A N/A 30.0 ppb (23) 0.5 ppb (6) 34.0 μg/m3 (31) 18.2 μg/m3 (63) 63.0
 
Jan. 25, 2020, 11 p.m. 22.7 ppb (21) 3.5 ppb (3) N/A 19.0 ppb (18) N/A N/A 35.0 ppb (27) 0.42 ppb (5) 26.0 μg/m3 (24) 7.9 μg/m3 (33) 33.0
 
Jan. 25, 2020, 10 p.m. 21.1 ppb (20) 4.3 ppb (4) N/A 17.0 ppb (16) N/A N/A 37.0 ppb (28) 0.39 ppb (4) 25.0 μg/m3 (23) 3.8 μg/m3 (16) 28.0
 
Jan. 25, 2020, 9 p.m. 16.6 ppb (15) 3.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 40.0 ppb (31) 0.31 ppb (3) 27.0 μg/m3 (25) 2.3 μg/m3 (10) 31.0
 
Jan. 25, 2020, 8 p.m. 20.5 ppb (19) 5.6 ppb (5) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.34 ppb (4) 23.0 μg/m3 (21) 3.6 μg/m3 (15) 28.0
 
Jan. 25, 2020, 7 p.m. 25.1 ppb (23) 8.0 ppb (7) N/A 17.0 ppb (16) N/A N/A 29.0 ppb (22) 0.36 ppb (4) 26.0 μg/m3 (24) 17.0 μg/m3 (61) 61.0
 
Jan. 25, 2020, 6 p.m. 18.4 ppb (17) 5.9 ppb (5) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) 0.31 ppb (3) 22.0 μg/m3 (20) 10.4 μg/m3 (43) 43.0
 
Jan. 25, 2020, 5 p.m. 20.2 ppb (19) 6.6 ppb (6) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) 0.32 ppb (4) 22.0 μg/m3 (20) 8.4 μg/m3 (35) 35.0
 
Jan. 25, 2020, 4 p.m. 30.5 ppb (28) 11.5 ppb (11) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.42 ppb (5) 26.0 μg/m3 (24) 11.3 μg/m3 (47) 47.0
 
Jan. 25, 2020, 3 p.m. 51.8 ppb (48) 25.5 ppb (24) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.72 ppb (8) 33.0 μg/m3 (30) 7.9 μg/m3 (33) 48.0
 
Jan. 25, 2020, 2 p.m. 30.0 ppb (28) 5.3 ppb (5) N/A 25.0 ppb (23) N/A N/A 4.0 ppb (3) 0.61 ppb (7) 22.0 μg/m3 (20) 2.1 μg/m3 (9) 28.0
 
Jan. 25, 2020, 1 p.m. 28.2 ppb (26) 3.0 ppb (3) N/A 25.0 ppb (23) N/A N/A 4.0 ppb (3) 0.38 ppb (4) 21.0 μg/m3 (19) 3.8 μg/m3 (16) 26.0
 
Jan. 25, 2020, noon 26.1 ppb (24) 2.0 ppb (2) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.37 ppb (4) 24.0 μg/m3 (22) 9.6 μg/m3 (40) 40.0
 
Jan. 25, 2020, 11 a.m. 29.6 ppb (27) 2.1 ppb (2) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) 0.4 ppb (4) 29.0 μg/m3 (26) 9.9 μg/m3 (41) 41.0
 
Jan. 25, 2020, 10 a.m. 30.4 ppb (28) 2.1 ppb (2) N/A 28.0 ppb (26) N/A N/A 4.0 ppb (3) 0.45 ppb (5) 30.0 μg/m3 (27) 7.9 μg/m3 (33) 33.0
 
Jan. 25, 2020, 9 a.m. 38.9 ppb (36) 7.1 ppb (7) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.5 ppb (6) 32.0 μg/m3 (29) 7.9 μg/m3 (33) 36.0
 
Jan. 25, 2020, 8 a.m. 36.9 ppb (34) 5.4 ppb (5) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.52 ppb (6) 43.0 μg/m3 (39) 18.9 μg/m3 (65) 65.0
 
Jan. 25, 2020, 7 a.m. 40.8 ppb (38) 9.1 ppb (8) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.61 ppb (7) 27.0 μg/m3 (25) 7.5 μg/m3 (31) 38.0
 
Jan. 25, 2020, 6 a.m. 42.9 ppb (40) 11.1 ppb (10) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.72 ppb (8) 33.0 μg/m3 (30) 6.2 μg/m3 (26) 40.0
 
Jan. 25, 2020, 5 a.m. 57.5 ppb (54) 24.6 ppb (23) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.75 ppb (8) 33.0 μg/m3 (30) 9.9 μg/m3 (41) 54.0
 
Jan. 25, 2020, 4 a.m. 54.8 ppb (51) 18.0 ppb (17) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 0.75 ppb (8) 39.0 μg/m3 (35) 11.7 μg/m3 (49) 51.0
 
Jan. 25, 2020, 3 a.m. 74.0 ppb (71) 28.8 ppb (27) N/A 45.0 ppb (42) N/A N/A 1.0 ppb (1) 0.96 ppb (11) 55.0 μg/m3 (50) 17.9 μg/m3 (63) 71.0
 
Jan. 25, 2020, 2 a.m. 43.1 ppb (40) 3.8 ppb (4) N/A 39.0 ppb (36) N/A N/A 8.0 ppb (6) 0.62 ppb (7) 38.0 μg/m3 (35) 9.2 μg/m3 (38) 40.0
 
Jan. 25, 2020, 1 a.m. 34.3 ppb (32) 1.3 ppb (1) N/A 33.0 ppb (31) N/A N/A 19.0 ppb (15) 0.53 ppb (6) 38.0 μg/m3 (35) 4.4 μg/m3 (18) 35.0
 
Jan. 25, 2020, midnight 24.7 ppb (23) 1.6 ppb (1) N/A 23.0 ppb (21) N/A N/A 31.0 ppb (24) 0.37 ppb (4) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Jan. 24, 2020, 11 p.m. 22.2 ppb (21) 3.4 ppb (3) N/A 19.0 ppb (18) N/A N/A 35.0 ppb (27) 0.33 ppb (4) 23.0 μg/m3 (21) 6.2 μg/m3 (26) 27.0
 
Jan. 24, 2020, 10 p.m. 19.1 ppb (18) 4.0 ppb (4) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.29 ppb (3) 20.0 μg/m3 (18) 2.1 μg/m3 (9) 28.0
 
Jan. 24, 2020, 9 p.m. 12.2 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 43.0 ppb (33) 0.2 ppb (2) 15.0 μg/m3 (14) -2.5 μg/m3 (0) 33.0
 
Jan. 24, 2020, 8 p.m. 23.3 ppb (22) 7.1 ppb (7) N/A 16.0 ppb (15) N/A N/A 34.0 ppb (26) 0.27 ppb (3) 20.0 μg/m3 (18) 1.9 μg/m3 (8) 26.0
 
Jan. 24, 2020, 7 p.m. 34.5 ppb (32) 12.8 ppb (12) N/A 22.0 ppb (20) N/A N/A 25.0 ppb (19) 0.32 ppb (4) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 32.0
 
Jan. 24, 2020, 6 p.m. 18.8 ppb (17) 5.9 ppb (5) N/A 13.0 ppb (12) N/A N/A 30.0 ppb (23) 0.27 ppb (3) 12.0 μg/m3 (11) 3.8 μg/m3 (16) 23.0
 
Jan. 24, 2020, 5 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.3 ppb (3) 9.0 μg/m3 (8) 2.3 μg/m3 (10) 21.0
 
Jan. 24, 2020, 4 p.m. 54.5 ppb (51) 27.5 ppb (25) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.66 ppb (7) 34.0 μg/m3 (31) 1.9 μg/m3 (8) 51.0
 
Jan. 24, 2020, 3 p.m. 70.4 ppb (67) 36.6 ppb (34) N/A 34.0 ppb (31) N/A N/A 2.0 ppb (2) 0.67 ppb (7) 22.0 μg/m3 (20) -0.3 μg/m3 (0) 67.0
 
Jan. 24, 2020, 2 p.m. 54.2 ppb (50) 20.7 ppb (19) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.47 ppb (5) 20.0 μg/m3 (18) -1.5 μg/m3 (0) 50.0
 
Jan. 24, 2020, 1 p.m. 42.1 ppb (39) 11.9 ppb (11) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) 0.4 ppb (4) 13.0 μg/m3 (12) -1.1 μg/m3 (0) 39.0
 
Jan. 24, 2020, noon 22.2 ppb (21) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.28 ppb (3) 10.0 μg/m3 (9) 0.1 μg/m3 (0) 21.0
 
Jan. 24, 2020, 11 a.m. 16.0 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.23 ppb (3) 10.0 μg/m3 (9) 2.1 μg/m3 (9) 15.0
 
Jan. 24, 2020, 10 a.m. 20.7 ppb (19) 1.5 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.36 ppb (4) 42.0 μg/m3 (38) 3.6 μg/m3 (15) 38.0
 
Jan. 24, 2020, 9 a.m. 27.4 ppb (25) 2.2 ppb (2) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) 0.36 ppb (4) 17.0 μg/m3 (15) 1.2 μg/m3 (5) 25.0
 
Jan. 24, 2020, 8 a.m. 28.5 ppb (26) 2.0 ppb (2) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 0.42 ppb (5) 26.0 μg/m3 (24) 4.8 μg/m3 (20) 26.0
 
Jan. 24, 2020, 7 a.m. 39.4 ppb (36) 6.9 ppb (6) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.51 ppb (6) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 36.0
 
Jan. 24, 2020, 6 a.m. 33.5 ppb (31) 6.4 ppb (6) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) 0.52 ppb (6) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 31.0
 
Jan. 24, 2020, 5 a.m. 32.2 ppb (30) 3.4 ppb (3) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) 0.44 ppb (5) 22.0 μg/m3 (20) 3.4 μg/m3 (14) 30.0
 
Jan. 24, 2020, 4 a.m. 31.7 ppb (29) 4.8 ppb (4) N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) 0.44 ppb (5) 23.0 μg/m3 (21) 3.4 μg/m3 (14) 29.0
 
Jan. 24, 2020, 3 a.m. 33.2 ppb (31) 4.7 ppb (4) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.57 ppb (6) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 31.0
 
Jan. 24, 2020, 2 a.m. 35.1 ppb (32) 3.6 ppb (3) N/A 32.0 ppb (30) N/A N/A 8.0 ppb (6) 0.53 ppb (6) 33.0 μg/m3 (30) 8.2 μg/m3 (34) 34.0
 
Jan. 24, 2020, 1 a.m. 27.9 ppb (26) 1.4 ppb (1) N/A 27.0 ppb (25) N/A N/A 21.0 ppb (16) 0.4 ppb (4) 23.0 μg/m3 (21) 5.5 μg/m3 (23) 26.0
 
Jan. 24, 2020, midnight 23.7 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 32.0 ppb (25) 0.38 ppb (4) 26.0 μg/m3 (24) 3.4 μg/m3 (14) 25.0
 
Jan. 23, 2020, 11 p.m. 17.9 ppb (17) 2.9 ppb (3) N/A 15.0 ppb (14) N/A N/A 37.0 ppb (28) 0.31 ppb (3) 19.0 μg/m3 (17) 1.4 μg/m3 (6) 28.0
 
Jan. 23, 2020, 10 p.m. 7.3 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.19 ppb (2) 12.0 μg/m3 (11) 1.1 μg/m3 (5) 33.0
 
Jan. 23, 2020, 9 p.m. 12.5 ppb (12) 3.3 ppb (3) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) 0.22 ppb (2) 20.0 μg/m3 (18) 1.9 μg/m3 (8) 29.0
 
Jan. 23, 2020, 8 p.m. 22.0 ppb (20) 6.7 ppb (6) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) 0.28 ppb (3) 19.0 μg/m3 (17) 4.5 μg/m3 (19) 24.0
 
Jan. 23, 2020, 7 p.m. 15.0 ppb (14) 4.4 ppb (4) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.24 ppb (3) 11.0 μg/m3 (10) 4.8 μg/m3 (20) 26.0
 
Jan. 23, 2020, 6 p.m. 20.3 ppb (19) 6.8 ppb (6) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.26 ppb (3) 15.0 μg/m3 (14) 4.3 μg/m3 (18) 22.0
 
Jan. 23, 2020, 5 p.m. 18.2 ppb (17) 6.3 ppb (6) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.29 ppb (3) 15.0 μg/m3 (14) 4.5 μg/m3 (19) 20.0
 
Jan. 23, 2020, 4 p.m. 64.5 ppb (61) 38.6 ppb (36) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.83 ppb (9) 38.0 μg/m3 (35) 2.3 μg/m3 (10) 61.0
 
Jan. 23, 2020, 3 p.m. 65.2 ppb (62) 34.9 ppb (32) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.67 ppb (7) 36.0 μg/m3 (33) 1.8 μg/m3 (8) 62.0
 
Jan. 23, 2020, 2 p.m. 45.9 ppb (42) 18.4 ppb (17) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) 0.49 ppb (5) 27.0 μg/m3 (25) 0.6 μg/m3 (2) 42.0
 
Jan. 23, 2020, 1 p.m. 28.1 ppb (26) 6.4 ppb (6) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) 0.37 ppb (4) 25.0 μg/m3 (23) -1.5 μg/m3 (0) 26.0
 
Jan. 23, 2020, noon 20.7 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) 0.3 ppb (3) 15.0 μg/m3 (14) 3.5 μg/m3 (15) 19.0
 
Jan. 23, 2020, 11 a.m. 17.0 ppb (16) 1.1 ppb (1) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) 0.23 ppb (3) 16.0 μg/m3 (15) 3.3 μg/m3 (14) 16.0
 
Jan. 23, 2020, 10 a.m. 15.8 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.23 ppb (3) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 9 a.m. 18.7 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.25 ppb (3) 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Jan. 23, 2020, 8 a.m. 17.5 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.28 ppb (3) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Jan. 23, 2020, 7 a.m. 44.5 ppb (41) 22.9 ppb (21) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.42 ppb (5) 18.0 μg/m3 (16) 8.2 μg/m3 (34) 41.0
 
Jan. 23, 2020, 6 a.m. 33.5 ppb (31) 8.4 ppb (8) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.49 ppb (5) 31.0 μg/m3 (28) 12.1 μg/m3 (50) 50.0
 
Jan. 23, 2020, 5 a.m. 38.5 ppb (36) 11.3 ppb (10) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.53 ppb (6) 30.0 μg/m3 (27) 13.9 μg/m3 (54) 54.0
 
Jan. 23, 2020, 4 a.m. 36.9 ppb (34) 11.6 ppb (11) N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) 0.5 ppb (6) 26.0 μg/m3 (24) 11.6 μg/m3 (48) 48.0
 
Jan. 23, 2020, 3 a.m. 24.5 ppb (23) 3.4 ppb (3) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) 0.38 ppb (4) 28.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Jan. 23, 2020, 2 a.m. 24.1 ppb (22) 1.4 ppb (1) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.4 ppb (4) 30.0 μg/m3 (27) 18.2 μg/m3 (63) 63.0
 
Jan. 23, 2020, 1 a.m. 20.6 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.33 ppb (4) 32.0 μg/m3 (29) 5.7 μg/m3 (24) 29.0
 
Jan. 23, 2020, midnight 11.8 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) 0.22 ppb (2) 26.0 μg/m3 (24) 6.2 μg/m3 (26) 26.0
 
Jan. 22, 2020, 11 p.m. 9.5 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 20.0 μg/m3 (18) 5.2 μg/m3 (22) 28.0
 
Jan. 22, 2020, 10 p.m. 9.5 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.2 ppb (2) 20.0 μg/m3 (18) 7.7 μg/m3 (32) 32.0
 
Jan. 22, 2020, 9 p.m. 10.3 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) 0.2 ppb (2) 19.0 μg/m3 (17) 10.6 μg/m3 (44) 44.0
 
Jan. 22, 2020, 8 p.m. 13.0 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.22 ppb (2) 26.0 μg/m3 (24) 11.7 μg/m3 (49) 49.0
 
Jan. 22, 2020, 7 p.m. 15.4 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.22 ppb (2) 22.0 μg/m3 (20) 14.4 μg/m3 (55) 55.0
 
Jan. 22, 2020, 6 p.m. 16.1 ppb (15) 4.5 ppb (4) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.23 ppb (3) 20.0 μg/m3 (18) 15.1 μg/m3 (57) 57.0
 
Jan. 22, 2020, 5 p.m. 28.2 ppb (26) 8.8 ppb (8) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.3 ppb (3) 31.0 μg/m3 (28) 19.4 μg/m3 (66) 66.0
 
Jan. 22, 2020, 4 p.m. 36.9 ppb (34) 10.6 ppb (10) N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.38 ppb (4) 35.0 μg/m3 (32) 17.3 μg/m3 (61) 61.0
 
Jan. 22, 2020, 3 p.m. 35.6 ppb (33) 7.4 ppb (7) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.37 ppb (4) 28.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 2 p.m. 36.2 ppb (34) 8.5 ppb (8) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.35 ppb (4) 34.0 μg/m3 (31) 17.3 μg/m3 (61) 61.0
 
Jan. 22, 2020, 1 p.m. 18.7 ppb (17) 1.9 ppb (2) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.29 ppb (3) 21.0 μg/m3 (19) 7.2 μg/m3 (30) 30.0
 
Jan. 22, 2020, noon 10.0 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.23 ppb (3) 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Jan. 22, 2020, 11 a.m. 8.6 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.21 ppb (2) 17.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
Jan. 22, 2020, 10 a.m. 9.6 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.23 ppb (3) 19.0 μg/m3 (17) 16.3 μg/m3 (59) 59.0
 
Jan. 22, 2020, 9 a.m. 13.8 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.23 ppb (3) 22.0 μg/m3 (20) 12.1 μg/m3 (50) 50.0
 
Jan. 22, 2020, 8 a.m. 16.3 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 17.0 ppb (13) 0.25 ppb (3) 21.0 μg/m3 (19) 8.7 μg/m3 (36) 36.0
 
Jan. 22, 2020, 7 a.m. 10.5 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.22 ppb (2) 18.0 μg/m3 (16) 3.6 μg/m3 (15) 18.0
 
Jan. 22, 2020, 6 a.m. 10.0 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.23 ppb (3) 19.0 μg/m3 (17) 0.9 μg/m3 (4) 19.0
 
Jan. 22, 2020, 5 a.m. 19.5 ppb (18) 0.7 ppb (1) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.27 ppb (3) 21.0 μg/m3 (19) 3.9 μg/m3 (16) 19.0
 
Jan. 22, 2020, 4 a.m. 15.9 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.24 ppb (3) 19.0 μg/m3 (17) 5.2 μg/m3 (22) 22.0
 
Jan. 22, 2020, 3 a.m. 13.5 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.22 ppb (2) 17.0 μg/m3 (15) 3.1 μg/m3 (13) 21.0
 
Jan. 22, 2020, 2 a.m. 12.5 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.2 ppb (2) 14.0 μg/m3 (13) 4.1 μg/m3 (17) 23.0
 
Jan. 22, 2020, 1 a.m. 15.9 ppb (15) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.27 ppb (3) 14.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
Jan. 22, 2020, midnight 17.6 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.26 ppb (3) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (19) 9.4 μg/m3 (39) 39.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.7 μg/m3 (36) 36.0
 
Jan. 21, 2020, 9 p.m. 13.1 ppb (12) 1.4 ppb (1) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 21.0 μg/m3 (19) 1.9 μg/m3 (8) 24.0
 
Jan. 21, 2020, 8 p.m. 12.0 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) 0.21 ppb (2) 15.0 μg/m3 (14) 0.9 μg/m3 (4) 25.0
 
Jan. 21, 2020, 7 p.m. 9.1 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) 0.19 ppb (2) 20.0 μg/m3 (18) 4.3 μg/m3 (18) 26.0
 
Jan. 21, 2020, 6 p.m. 10.6 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.2 ppb (2) 18.0 μg/m3 (16) 3.1 μg/m3 (13) 25.0
 
Jan. 21, 2020, 5 p.m. 12.0 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.19 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 24.0
 
Jan. 21, 2020, 4 p.m. 14.8 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.25 ppb (3) 14.0 μg/m3 (13) 9.7 μg/m3 (40) 40.0
 
Jan. 21, 2020, 3 p.m. 15.8 ppb (15) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.26 ppb (3) 15.0 μg/m3 (14) 12.4 μg/m3 (51) 51.0
 
Jan. 21, 2020, 2 p.m. 20.3 ppb (19) 2.2 ppb (2) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (8) 0.29 ppb (3) 20.0 μg/m3 (18) 8.7 μg/m3 (36) 36.0
 
Jan. 21, 2020, 1 p.m. 9.8 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.22 ppb (2) 17.0 μg/m3 (15) 0.9 μg/m3 (4) 18.0
 
Jan. 21, 2020, noon 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.2 ppb (2) 13.0 μg/m3 (12) 1.4 μg/m3 (6) 24.0
 
Jan. 21, 2020, 11 a.m. 7.7 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.19 ppb (2) 13.0 μg/m3 (12) 7.2 μg/m3 (30) 30.0
 
Jan. 21, 2020, 10 a.m. 7.8 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.22 ppb (2) 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2020, 9 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.19 ppb (2) 18.0 μg/m3 (16) 7.7 μg/m3 (32) 32.0
 
Jan. 21, 2020, 8 a.m. 10.5 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.27 ppb (3) 22.0 μg/m3 (20) 11.4 μg/m3 (48) 48.0
 
Jan. 21, 2020, 7 a.m. 18.5 ppb (17) 0.5 ppb (0) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) 0.41 ppb (5) 24.0 μg/m3 (22) 12.1 μg/m3 (50) 50.0
 
Jan. 21, 2020, 6 a.m. 22.3 ppb (21) 0.5 ppb (0) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.46 ppb (5) 27.0 μg/m3 (25) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 5 a.m. 47.3 ppb (44) 9.6 ppb (9) N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) 0.68 ppb (8) 39.0 μg/m3 (35) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 4 a.m. 65.6 ppb (62) 24.8 ppb (23) N/A 41.0 ppb (38) N/A N/A 1.0 ppb (1) 0.83 ppb (9) 49.0 μg/m3 (45) 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 3 a.m. 63.1 ppb (60) 21.4 ppb (20) N/A 42.0 ppb (39) N/A N/A 1.0 ppb (1) 0.8 ppb (9) 44.0 μg/m3 (40) 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 2 a.m. 49.2 ppb (46) 8.6 ppb (8) N/A 41.0 ppb (38) N/A N/A 3.0 ppb (2) 0.73 ppb (8) 41.0 μg/m3 (37) 19.7 μg/m3 (66) 66.0
 
Jan. 21, 2020, 1 a.m. 46.8 ppb (43) 6.9 ppb (6) N/A 40.0 ppb (37) N/A N/A 5.0 ppb (4) 0.64 ppb (7) 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, midnight 31.6 ppb (29) 2.2 ppb (2) N/A 29.0 ppb (27) N/A N/A 18.0 ppb (14) 0.47 ppb (5) 30.0 μg/m3 (27) 19.7 μg/m3 (66) 66.0
 
Jan. 20, 2020, 11 p.m. 29.1 ppb (27) 4.0 ppb (4) N/A 25.0 ppb (23) N/A N/A 22.0 ppb (17) 0.44 ppb (5) 28.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0