AQSQID: 060290014

Site Name: Bakersfield - California Ave

Location: Bakersfield (Park Stockdale), CA

Reporting: True, Located: True

Current AQI: 71.0

Bakersfield (Park Stockdale) CA, US: 35.356615, -119.062613

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2020, 6 p.m. 11.3 ppb (10) 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 5 p.m. 17.8 ppb (16) 9.9 ppb (9) N/A 8.0 ppb (7) N/A N/A 6.0 ppb (5) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2020, 4 p.m. 19.7 ppb (18) 10.3 ppb (10) N/A 9.0 ppb (8) N/A N/A 4.0 ppb (3) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2020, 3 p.m. 14.7 ppb (14) 4.6 ppb (4) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2020, 2 p.m. 15.2 ppb (14) 6.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 3.0 ppb (2) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2020, 1 p.m. 18.9 ppb (18) 9.1 ppb (8) N/A 10.0 ppb (9) N/A N/A 2.0 ppb (2) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (88) 88.0
 
Jan. 20, 2020, 11 a.m. 7.1 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 7.0 ppb (5) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 10 a.m. 11.9 ppb (11) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A 5.0 ppb (4) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2020, 9 a.m. 13.2 ppb (12) 5.7 ppb (5) N/A 8.0 ppb (7) N/A N/A 4.0 ppb (3) N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 8 a.m. 8.3 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 7 a.m. 7.8 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 7.0 ppb (5) N/A N/A 28.0 μg/m3 (84) 84.0
 
Jan. 20, 2020, 6 a.m. 10.4 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 6.0 ppb (5) N/A N/A 28.0 μg/m3 (84) 84.0
 
Jan. 20, 2020, 5 a.m. 11.3 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 20, 2020, 4 a.m. 8.8 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 3 a.m. 8.4 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 23.0 μg/m3 (73) 73.0
 
Jan. 20, 2020, 2 a.m. 7.6 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 20, 2020, 1 a.m. 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) N/A N/A 27.0 μg/m3 (82) 82.0
 
Jan. 20, 2020, midnight 9.1 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 11 p.m. 6.8 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 10 p.m. 6.2 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2020, 9 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 8 p.m. 5.5 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 7 p.m. 6.0 ppb (6) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 6 p.m. 7.2 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2020, 5 p.m. 9.4 ppb (9) 4.9 ppb (5) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 4 p.m. 11.6 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 19, 2020, 3 p.m. 10.4 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 2 p.m. 7.6 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 1 p.m. 10.4 ppb (10) 4.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 19, 2020, 11 a.m. 7.0 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 10 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2020, 9 a.m. 8.3 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, 8 a.m. 10.9 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 7 a.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 6 a.m. 6.8 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2020, 5 a.m. 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2020, 4 a.m. 9.3 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2020, 3 a.m. 15.9 ppb (15) 3.5 ppb (3) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 19, 2020, 2 a.m. 17.5 ppb (16) 5.5 ppb (5) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2020, 1 a.m. 13.7 ppb (13) 2.1 ppb (2) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2020, midnight 16.4 ppb (15) 5.1 ppb (5) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2020, 11 p.m. 14.2 ppb (13) 5.5 ppb (5) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2020, 10 p.m. 8.3 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 18, 2020, 9 p.m. 14.7 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2020, 8 p.m. 27.3 ppb (25) 11.1 ppb (10) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) N/A N/A 25.0 μg/m3 (78) 78.0
 
Jan. 18, 2020, 7 p.m. 30.8 ppb (29) 16.5 ppb (15) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2020, 6 p.m. 30.7 ppb (28) 15.5 ppb (14) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 18, 2020, 5 p.m. 26.8 ppb (25) 14.3 ppb (13) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2020, 4 p.m. 47.4 ppb (44) 31.4 ppb (29) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 3 p.m. 28.2 ppb (26) 12.2 ppb (11) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2020, 2 p.m. 30.4 ppb (28) 14.3 ppb (13) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 1 p.m. 40.2 ppb (37) 19.8 ppb (18) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 11 a.m. 40.2 ppb (37) 22.6 ppb (21) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 10 a.m. 29.0 ppb (27) 13.0 ppb (12) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 9 a.m. 28.0 ppb (26) 10.2 ppb (9) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 8 a.m. 17.6 ppb (16) 3.8 ppb (4) N/A 14.0 ppb (13) N/A N/A 4.0 ppb (3) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2020, 7 a.m. 22.1 ppb (20) 4.5 ppb (4) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2020, 6 a.m. 16.1 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 5 a.m. 19.2 ppb (18) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2020, 4 a.m. 19.4 ppb (18) 9.3 ppb (9) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 3 a.m. 21.8 ppb (20) 4.3 ppb (4) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 2 a.m. 18.2 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 1 a.m. 15.5 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Jan. 18, 2020, midnight 8.2 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Jan. 17, 2020, 11 p.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2020, 10 p.m. 10.7 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Jan. 17, 2020, 9 p.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 17, 2020, 8 p.m. 10.1 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Jan. 17, 2020, 7 p.m. 15.4 ppb (14) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 6 p.m. 30.0 ppb (28) 13.6 ppb (13) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 5 p.m. 57.9 ppb (54) 35.8 ppb (33) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) N/A N/A N/A 54.0
 
Jan. 17, 2020, 4 p.m. 63.0 ppb (60) 39.6 ppb (37) N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) N/A N/A 11.0 μg/m3 (46) 60.0
 
Jan. 17, 2020, 3 p.m. 74.3 ppb (72) 50.1 ppb (46) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 72.0
 
Jan. 17, 2020, 2 p.m. 85.8 ppb (84) 54.5 ppb (51) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 84.0
 
Jan. 17, 2020, 1 p.m. 56.1 ppb (52) 29.7 ppb (28) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 4.0 μg/m3 (17) 52.0
 
Jan. 17, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 11 a.m. 20.3 ppb (19) 4.0 ppb (4) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 10 a.m. 25.0 ppb (23) 5.0 ppb (5) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A 3.0 μg/m3 (12) 23.0
 
Jan. 17, 2020, 9 a.m. 20.7 ppb (19) 2.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) N/A N/A 3.0 μg/m3 (12) 19.0
 
Jan. 17, 2020, 8 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Jan. 17, 2020, 7 a.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 17, 2020, 6 a.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Jan. 17, 2020, 5 a.m. 7.2 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Jan. 17, 2020, 4 a.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 17, 2020, 3 a.m. 3.9 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 17, 2020, 2 a.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Jan. 17, 2020, 1 a.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, midnight 17.6 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 16, 2020, 11 p.m. 14.4 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2020, 10 p.m. 6.9 ppb (6) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 9 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 8 p.m. 3.9 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 7 p.m. 24.0 ppb (22) 10.6 ppb (10) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 16, 2020, 6 p.m. 47.6 ppb (44) 28.9 ppb (27) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A N/A 25.0 μg/m3 (78) 78.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) N/A N/A 44.0 μg/m3 (121) 121.0
 
Jan. 16, 2020, 4 p.m. 65.8 ppb (63) 46.6 ppb (43) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 16, 2020, 3 p.m. 70.9 ppb (68) 52.6 ppb (49) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2020, 2 p.m. 76.4 ppb (74) 56.9 ppb (53) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2020, 1 p.m. 79.1 ppb (77) 61.1 ppb (58) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 29.0 μg/m3 (86) 86.0
 
Jan. 16, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (84) 84.0
 
Jan. 16, 2020, 11 a.m. 53.5 ppb (50) 37.4 ppb (35) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 25.0 μg/m3 (78) 78.0
 
Jan. 16, 2020, 10 a.m. 76.2 ppb (74) 57.9 ppb (54) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2020, 9 a.m. 77.1 ppb (75) 56.4 ppb (53) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 31.0 μg/m3 (90) 90.0
 
Jan. 16, 2020, 8 a.m. 75.3 ppb (73) 53.5 ppb (50) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) N/A N/A 32.0 μg/m3 (93) 93.0
 
Jan. 16, 2020, 7 a.m. 71.7 ppb (69) 48.9 ppb (45) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 34.0 μg/m3 (97) 97.0
 
Jan. 16, 2020, 6 a.m. 88.9 ppb (87) 59.7 ppb (56) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 32.0 μg/m3 (93) 93.0
 
Jan. 16, 2020, 5 a.m. 61.1 ppb (58) 33.6 ppb (31) N/A 28.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 16, 2020, 4 a.m. 45.8 ppb (42) 15.8 ppb (15) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2020, 3 a.m. 30.2 ppb (28) 3.6 ppb (3) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 16, 2020, 2 a.m. 18.0 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 16, 2020, 1 a.m. 12.7 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 16, 2020, midnight 7.8 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 11 p.m. 9.3 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2020, 10 p.m. 7.1 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 9 p.m. 5.4 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 15, 2020, 8 p.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 15, 2020, 7 p.m. 8.4 ppb (8) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2020, 6 p.m. 26.6 ppb (25) 14.6 ppb (14) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A N/A N/A 25.0
 
Jan. 15, 2020, 5 p.m. 42.5 ppb (39) 27.1 ppb (25) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 15, 2020, 4 p.m. 64.7 ppb (61) 47.5 ppb (44) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 15, 2020, 3 p.m. 85.9 ppb (84) 66.3 ppb (63) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 19.0 μg/m3 (65) 84.0
 
Jan. 15, 2020, 2 p.m. 60.5 ppb (57) 42.2 ppb (39) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (56) 57.0
 
Jan. 15, 2020, 1 p.m. 48.6 ppb (45) 32.0 ppb (30) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 15, 2020, 11 a.m. 28.6 ppb (26) 12.2 ppb (11) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 15, 2020, 10 a.m. 26.3 ppb (24) 8.7 ppb (8) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 15, 2020, 9 a.m. 23.0 ppb (21) 5.7 ppb (5) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 15, 2020, 8 a.m. 20.7 ppb (19) 6.4 ppb (6) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 15, 2020, 7 a.m. 18.4 ppb (17) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 6 a.m. 12.8 ppb (12) 2.3 ppb (2) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2020, 5 a.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 4 a.m. 12.3 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 15, 2020, 3 a.m. 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 15, 2020, 2 a.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, 1 a.m. 9.7 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2020, midnight 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 11 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Jan. 14, 2020, 10 p.m. 5.6 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Jan. 14, 2020, 9 p.m. 6.3 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2020, 8 p.m. 7.4 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, 7 p.m. 10.4 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 6 p.m. 21.4 ppb (20) 9.7 ppb (9) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) N/A N/A 23.0 μg/m3 (73) 73.0
 
Jan. 14, 2020, 4 p.m. 75.2 ppb (73) 54.2 ppb (50) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) N/A N/A 12.0 μg/m3 (50) 73.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 2 p.m. 87.4 ppb (86) 66.6 ppb (63) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 86.0
 
Jan. 14, 2020, 1 p.m. 80.5 ppb (78) 60.1 ppb (56) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (50) 78.0
 
Jan. 14, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2020, 11 a.m. 70.2 ppb (67) 46.8 ppb (43) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (56) 67.0
 
Jan. 14, 2020, 10 a.m. 46.7 ppb (43) 25.4 ppb (24) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 14, 2020, 9 a.m. 29.7 ppb (28) 13.0 ppb (12) N/A 17.0 ppb (16) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 8 a.m. 31.4 ppb (29) 15.2 ppb (14) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 7 a.m. 35.7 ppb (33) 16.8 ppb (16) N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2020, 6 a.m. 58.0 ppb (54) 33.6 ppb (31) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (52) 54.0
 
Jan. 14, 2020, 5 a.m. 55.8 ppb (52) 25.6 ppb (24) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 52.0
 
Jan. 14, 2020, 4 a.m. 40.6 ppb (38) 14.2 ppb (13) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 38.0
 
Jan. 14, 2020, 3 a.m. 23.1 ppb (21) 4.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, 2 a.m. 24.4 ppb (23) 3.6 ppb (3) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 23.0
 
Jan. 14, 2020, 1 a.m. 11.5 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 14, 2020, midnight 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 11 p.m. 3.9 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 10 p.m. 5.6 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Jan. 13, 2020, 9 p.m. 7.6 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2020, 8 p.m. 9.6 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2020, 7 p.m. 13.0 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0