ID: 139

AQSQID: 060290014

Site Name: Bakersfield - California Ave

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

Updated: Jan. 22, 2021, 8:31 a.m.

Location: Bakersfield (Park Stockdale), CA

Reporting: True, Located: True

Current AQI: 53.0

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. 22, 2021, 6 a.m. 33.7 ppb (32) 6.6 ppb (7) N/A 27.0 ppb (26) N/A N/A 4.0 ppb (4) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 22, 2021, 5 a.m. 47.3 ppb (45) 16.4 ppb (16) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 22, 2021, 4 a.m. N/A 34.4 ppb (33) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) N/A N/A 26.0 μg/m3 (81) 81.0
 
Jan. 22, 2021, 3 a.m. 40.6 ppb (39) 9.9 ppb (10) N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 22, 2021, 2 a.m. 29.3 ppb (28) 1.2 ppb (2) N/A 28.0 ppb (27) N/A N/A 11.0 ppb (11) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 22, 2021, 1 a.m. 17.5 ppb (17) 0.4 ppb (1) N/A 17.0 ppb (17) N/A N/A 22.0 ppb (21) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2021, midnight 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
Jan. 21, 2021, 11 p.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
Jan. 21, 2021, 10 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Jan. 21, 2021, 9 p.m. 9.1 ppb (9) 1.8 ppb (2) N/A 7.0 ppb (7) N/A N/A 32.0 ppb (30) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 21, 2021, 8 p.m. 12.6 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2021, 7 p.m. 18.8 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A N/A 20.0 ppb (19) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 21, 2021, 6 p.m. 37.0 ppb (35) 17.1 ppb (17) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, 4 p.m. 111.7 ppb (104) 84.2 ppb (84) N/A 28.0 ppb (27) N/A N/A 2.0 ppb (2) N/A N/A 17.0 μg/m3 (62) 104.0
 
Jan. 21, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 21, 2021, 2 p.m. 95.0 ppb (95) 67.3 ppb (66) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 14.0 μg/m3 (55) 95.0
 
Jan. 21, 2021, 1 p.m. 109.5 ppb (103) 81.1 ppb (80) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (53) 103.0
 
Jan. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 21, 2021, 11 a.m. 77.8 ppb (77) 53.2 ppb (51) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (53) 77.0
 
Jan. 21, 2021, 10 a.m. 79.6 ppb (79) 51.0 ppb (49) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 16.0 μg/m3 (60) 79.0
 
Jan. 21, 2021, 9 a.m. 76.1 ppb (75) 49.1 ppb (47) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 22.0 μg/m3 (72) 75.0
 
Jan. 21, 2021, 8 a.m. 57.2 ppb (55) 32.9 ppb (32) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 21, 2021, 7 a.m. 51.2 ppb (49) 25.9 ppb (25) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) N/A N/A 20.0 μg/m3 (68) 68.0
 
Jan. 21, 2021, 6 a.m. 72.9 ppb (72) 41.9 ppb (40) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 25.0 μg/m3 (79) 79.0
 
Jan. 21, 2021, 5 a.m. 52.8 ppb (50) 21.6 ppb (21) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 21, 2021, 4 a.m. 32.1 ppb (31) 8.3 ppb (8) N/A 24.0 ppb (23) N/A N/A 9.0 ppb (9) N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2021, 3 a.m. 15.1 ppb (15) 0.4 ppb (1) N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 21, 2021, 2 a.m. 14.8 ppb (14) 0.2 ppb (1) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 21, 2021, 1 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2021, midnight 5.6 ppb (6) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 11 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2021, 10 p.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 9 p.m. 4.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Jan. 20, 2021, 8 p.m. 5.2 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 20, 2021, 7 p.m. 8.3 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2021, 6 p.m. 13.6 ppb (13) 5.1 ppb (5) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 5 p.m. N/A 10.0 ppb (10) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 20, 2021, 4 p.m. 62.9 ppb (61) 38.7 ppb (37) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) N/A N/A 23.0 μg/m3 (74) 74.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2021, 1 p.m. 29.8 ppb (29) 7.6 ppb (8) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (60) 60.0
 
Jan. 20, 2021, 11 a.m. 28.0 ppb (27) 7.5 ppb (8) N/A 21.0 ppb (20) N/A N/A 9.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, 10 a.m. 16.3 ppb (16) 2.4 ppb (3) N/A 14.0 ppb (14) N/A N/A 10.0 ppb (10) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, 9 a.m. 12.0 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 15.0 ppb (14) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, 8 a.m. 7.9 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 21.0 ppb (20) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, 7 a.m. 21.2 ppb (20) 8.4 ppb (8) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) N/A N/A 13.0 μg/m3 (53) 53.0
 
Jan. 20, 2021, 6 a.m. 12.0 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 20, 2021, 5 a.m. 10.1 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 20, 2021, 4 a.m. 4.8 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Jan. 20, 2021, 3 a.m. 7.8 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2021, 2 a.m. 5.0 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
Jan. 20, 2021, 1 a.m. 5.9 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2021, midnight 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
Jan. 19, 2021, 11 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 20.0 μg/m3 (68) 68.0
 
Jan. 19, 2021, 10 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2021, 9 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Jan. 19, 2021, 8 p.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Jan. 19, 2021, 7 p.m. 5.7 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
Jan. 19, 2021, 6 p.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
Jan. 19, 2021, 5 p.m. 8.1 ppb (8) 1.4 ppb (2) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 19, 2021, 4 p.m. 16.1 ppb (16) 4.8 ppb (5) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 19, 2021, 3 p.m. 11.8 ppb (12) 1.7 ppb (2) N/A 10.0 ppb (10) N/A N/A 17.0 ppb (16) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 2 p.m. 13.7 ppb (13) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2021, 1 p.m. 11.3 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 22.0 ppb (21) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (113) 113.0
 
Jan. 19, 2021, 11 a.m. 24.2 ppb (23) 3.5 ppb (4) N/A 21.0 ppb (20) N/A N/A 8.0 ppb (8) N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 19, 2021, 10 a.m. 20.6 ppb (20) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (10) N/A N/A 36.0 μg/m3 (103) 103.0
 
Jan. 19, 2021, 9 a.m. 36.8 ppb (35) 9.8 ppb (10) N/A 27.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 41.0 μg/m3 (115) 115.0
 
Jan. 19, 2021, 8 a.m. 45.0 ppb (43) 15.2 ppb (15) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 46.0 μg/m3 (127) 127.0
 
Jan. 19, 2021, 7 a.m. 40.6 ppb (39) 9.3 ppb (9) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 44.0 μg/m3 (122) 122.0
 
Jan. 19, 2021, 6 a.m. 39.9 ppb (38) 8.3 ppb (8) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 40.0 μg/m3 (113) 113.0
 
Jan. 19, 2021, 5 a.m. 36.0 ppb (34) 8.1 ppb (8) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) N/A N/A 45.0 μg/m3 (125) 125.0
 
Jan. 19, 2021, 4 a.m. 52.6 ppb (50) 15.5 ppb (15) N/A 37.0 ppb (35) N/A N/A 5.0 ppb (5) N/A N/A 58.0 μg/m3 (153) 153.0
 
Jan. 19, 2021, 3 a.m. 35.9 ppb (34) 4.4 ppb (5) N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) N/A N/A 51.0 μg/m3 (140) 140.0
 
Jan. 19, 2021, 2 a.m. 17.1 ppb (17) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 23.0 ppb (22) N/A N/A 42.0 μg/m3 (118) 118.0
 
Jan. 19, 2021, 1 a.m. 10.0 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 33.0 ppb (31) N/A N/A 40.0 μg/m3 (113) 113.0
 
Jan. 19, 2021, midnight 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) N/A N/A 37.0 μg/m3 (105) 105.0
 
Jan. 18, 2021, 11 p.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 38.0 μg/m3 (108) 108.0
 
Jan. 18, 2021, 10 p.m. 4.8 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 18, 2021, 9 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A N/A 32.0 μg/m3 (93) 93.0
 
Jan. 18, 2021, 8 p.m. 8.1 ppb (8) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A 33.0 ppb (31) N/A N/A 36.0 μg/m3 (103) 103.0
 
Jan. 18, 2021, 7 p.m. 13.7 ppb (13) 3.5 ppb (4) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) N/A N/A 34.0 μg/m3 (98) 98.0
 
Jan. 18, 2021, 6 p.m. 28.9 ppb (28) 10.5 ppb (10) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 18, 2021, 5 p.m. 52.5 ppb (50) 25.9 ppb (25) N/A 27.0 ppb (26) N/A N/A 8.0 ppb (8) N/A N/A 35.0 μg/m3 (100) 100.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 5.0 ppb (5) N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2021, 3 p.m. 95.7 ppb (96) 65.2 ppb (63) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 35.0 μg/m3 (100) 100.0
 
Jan. 18, 2021, 2 p.m. 76.6 ppb (76) 49.8 ppb (47) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 18, 2021, 1 p.m. 70.8 ppb (69) 42.2 ppb (40) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 37.0 μg/m3 (105) 105.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (100) 100.0
 
Jan. 18, 2021, 11 a.m. 34.9 ppb (33) 11.7 ppb (12) N/A 23.0 ppb (22) N/A N/A 2.0 ppb (2) N/A N/A 39.0 μg/m3 (110) 110.0
 
Jan. 18, 2021, 10 a.m. 34.4 ppb (33) 11.0 ppb (11) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 39.0 μg/m3 (110) 110.0
 
Jan. 18, 2021, 9 a.m. 30.3 ppb (29) 7.9 ppb (8) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) N/A N/A 43.0 μg/m3 (120) 120.0
 
Jan. 18, 2021, 8 a.m. 31.7 ppb (30) 8.2 ppb (8) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) N/A N/A 45.0 μg/m3 (125) 125.0
 
Jan. 18, 2021, 7 a.m. 44.4 ppb (42) 12.6 ppb (12) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) N/A N/A 53.0 μg/m3 (145) 145.0
 
Jan. 18, 2021, 6 a.m. 43.9 ppb (42) 11.0 ppb (11) N/A 33.0 ppb (32) N/A N/A 3.0 ppb (3) N/A N/A 43.0 μg/m3 (120) 120.0
 
Jan. 18, 2021, 5 a.m. 37.1 ppb (35) 5.6 ppb (6) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) N/A N/A 54.0 μg/m3 (147) 147.0
 
Jan. 18, 2021, 4 a.m. 29.8 ppb (29) 2.4 ppb (3) N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) N/A N/A 54.0 μg/m3 (147) 147.0
 
Jan. 18, 2021, 3 a.m. 37.1 ppb (35) 4.5 ppb (5) N/A 33.0 ppb (32) N/A N/A 9.0 ppb (9) N/A N/A 45.0 μg/m3 (125) 125.0
 
Jan. 18, 2021, 2 a.m. 17.1 ppb (17) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 23.0 ppb (22) N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 18, 2021, 1 a.m. 12.6 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 31.0 ppb (29) N/A N/A 38.0 μg/m3 (108) 108.0
 
Jan. 18, 2021, midnight 4.4 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 17, 2021, 11 p.m. 3.9 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 17, 2021, 10 p.m. 3.7 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2021, 9 p.m. 3.8 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 17, 2021, 8 p.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 30.0 μg/m3 (89) 89.0
 
Jan. 17, 2021, 7 p.m. 12.3 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A N/A 32.0 μg/m3 (93) 93.0
 
Jan. 17, 2021, 6 p.m. N/A 3.8 ppb (4) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) N/A N/A 40.0 μg/m3 (113) 113.0
 
Jan. 17, 2021, 4 p.m. 78.0 ppb (77) 48.7 ppb (46) N/A 29.0 ppb (28) N/A N/A 4.0 ppb (4) N/A N/A 50.0 μg/m3 (137) 137.0
 
Jan. 17, 2021, 3 p.m. 64.6 ppb (63) 40.7 ppb (39) N/A 24.0 ppb (23) N/A N/A 2.0 ppb (2) N/A N/A 44.0 μg/m3 (122) 122.0
 
Jan. 17, 2021, 2 p.m. 60.5 ppb (58) 37.0 ppb (35) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 57.0 μg/m3 (152) 152.0
 
Jan. 17, 2021, 1 p.m. 72.8 ppb (72) 44.1 ppb (42) N/A 29.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A 58.0 μg/m3 (153) 153.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (152) 152.0
 
Jan. 17, 2021, 11 a.m. 43.0 ppb (41) 15.8 ppb (15) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 69.0 μg/m3 (158) 158.0
 
Jan. 17, 2021, 10 a.m. 58.1 ppb (56) 30.3 ppb (29) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 67.0 μg/m3 (157) 157.0
 
Jan. 17, 2021, 9 a.m. 80.4 ppb (80) 49.6 ppb (47) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 79.0 μg/m3 (164) 164.0
 
Jan. 17, 2021, 8 a.m. 79.8 ppb (79) 48.2 ppb (46) N/A 32.0 ppb (31) N/A N/A 2.0 ppb (2) N/A N/A 62.0 μg/m3 (155) 155.0
 
Jan. 17, 2021, 7 a.m. 69.7 ppb (68) 38.6 ppb (37) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 64.0 μg/m3 (156) 156.0
 
Jan. 17, 2021, 6 a.m. 68.2 ppb (67) 32.1 ppb (31) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) N/A N/A 67.0 μg/m3 (157) 157.0
 
Jan. 17, 2021, 5 a.m. 60.9 ppb (59) 22.2 ppb (21) N/A 39.0 ppb (37) N/A N/A 2.0 ppb (2) N/A N/A 67.0 μg/m3 (157) 157.0
 
Jan. 17, 2021, 4 a.m. 59.2 ppb (57) 16.2 ppb (16) N/A 43.0 ppb (41) N/A N/A 3.0 ppb (3) N/A N/A 82.0 μg/m3 (165) 165.0
 
Jan. 17, 2021, 3 a.m. 70.3 ppb (69) 26.0 ppb (25) N/A 44.0 ppb (42) N/A N/A 2.0 ppb (2) N/A N/A 73.0 μg/m3 (161) 161.0
 
Jan. 17, 2021, 2 a.m. 49.3 ppb (47) 13.8 ppb (14) N/A 36.0 ppb (34) N/A N/A 8.0 ppb (8) N/A N/A 50.0 μg/m3 (137) 137.0
 
Jan. 17, 2021, 1 a.m. 23.3 ppb (22) 1.0 ppb (1) N/A 22.0 ppb (21) N/A N/A 24.0 ppb (23) N/A N/A 43.0 μg/m3 (120) 120.0
 
Jan. 17, 2021, midnight 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2021, 11 p.m. 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 16, 2021, 10 p.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (37) N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 16, 2021, 9 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 34.0 μg/m3 (98) 98.0
 
Jan. 16, 2021, 8 p.m. 6.4 ppb (7) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) N/A N/A 37.0 μg/m3 (105) 105.0
 
Jan. 16, 2021, 7 p.m. 11.9 ppb (12) 2.9 ppb (3) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A 46.0 μg/m3 (127) 127.0
 
Jan. 16, 2021, 6 p.m. 21.6 ppb (21) 7.6 ppb (8) N/A 14.0 ppb (14) N/A N/A 18.0 ppb (17) N/A N/A 46.0 μg/m3 (127) 127.0
 
Jan. 16, 2021, 5 p.m. 41.0 ppb (39) 19.4 ppb (19) N/A 22.0 ppb (21) N/A N/A 9.0 ppb (9) N/A N/A 65.0 μg/m3 (156) 156.0
 
Jan. 16, 2021, 4 p.m. 48.5 ppb (46) 24.3 ppb (23) N/A 24.0 ppb (23) N/A N/A 5.0 ppb (5) N/A N/A 55.0 μg/m3 (150) 150.0
 
Jan. 16, 2021, 3 p.m. 67.9 ppb (66) 40.5 ppb (39) N/A 27.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 52.0 μg/m3 (142) 142.0
 
Jan. 16, 2021, 2 p.m. 58.3 ppb (56) 32.1 ppb (31) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 49.0 μg/m3 (135) 135.0
 
Jan. 16, 2021, 1 p.m. 52.8 ppb (50) 23.0 ppb (22) N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A 49.0 μg/m3 (135) 135.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (140) 140.0
 
Jan. 16, 2021, 11 a.m. 62.8 ppb (61) 34.5 ppb (33) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 56.0 μg/m3 (152) 152.0
 
Jan. 16, 2021, 10 a.m. 51.3 ppb (49) 24.7 ppb (24) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 56.0 μg/m3 (152) 152.0
 
Jan. 16, 2021, 9 a.m. 53.0 ppb (50) 24.8 ppb (24) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 65.0 μg/m3 (156) 156.0
 
Jan. 16, 2021, 8 a.m. 73.8 ppb (73) 42.9 ppb (41) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 69.0 μg/m3 (158) 158.0
 
Jan. 16, 2021, 7 a.m. 59.0 ppb (57) 26.0 ppb (25) N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A 61.0 μg/m3 (154) 154.0
 
Jan. 16, 2021, 6 a.m. 34.1 ppb (33) 4.4 ppb (5) N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) N/A N/A 60.0 μg/m3 (154) 154.0
 
Jan. 16, 2021, 5 a.m. 50.0 ppb (48) 12.8 ppb (13) N/A 37.0 ppb (35) N/A N/A 3.0 ppb (3) N/A N/A 60.0 μg/m3 (154) 154.0
 
Jan. 16, 2021, 4 a.m. 33.1 ppb (32) 3.1 ppb (3) N/A 30.0 ppb (29) N/A N/A 9.0 ppb (9) N/A N/A 56.0 μg/m3 (152) 152.0
 
Jan. 16, 2021, 3 a.m. 25.8 ppb (25) 1.1 ppb (2) N/A 25.0 ppb (24) N/A N/A 16.0 ppb (15) N/A N/A 50.0 μg/m3 (137) 137.0
 
Jan. 16, 2021, 2 a.m. 31.4 ppb (30) 1.8 ppb (2) N/A 30.0 ppb (29) N/A N/A 16.0 ppb (15) N/A N/A 47.0 μg/m3 (130) 130.0
 
Jan. 16, 2021, 1 a.m. 20.8 ppb (20) 0.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 28.0 ppb (26) N/A N/A 44.0 μg/m3 (122) 122.0
 
Jan. 16, 2021, midnight 11.3 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) N/A N/A 47.0 μg/m3 (130) 130.0
 
Jan. 15, 2021, 11 p.m. 11.6 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (11) N/A N/A 42.0 ppb (39) N/A N/A 45.0 μg/m3 (125) 125.0
 
Jan. 15, 2021, 10 p.m. 14.5 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A 40.0 ppb (38) N/A N/A 42.0 μg/m3 (118) 118.0
 
Jan. 15, 2021, 9 p.m. 10.8 ppb (11) 1.5 ppb (2) N/A 9.0 ppb (9) N/A N/A 41.0 ppb (38) N/A N/A 41.0 μg/m3 (115) 115.0
 
Jan. 15, 2021, 8 p.m. 10.7 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A N/A 42.0 μg/m3 (118) 118.0
 
Jan. 15, 2021, 7 p.m. 13.8 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) N/A N/A 39.0 μg/m3 (110) 110.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) N/A N/A 39.0 μg/m3 (110) 110.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) N/A N/A 46.0 μg/m3 (127) 127.0
 
Jan. 15, 2021, 4 p.m. 109.0 ppb (103) 77.6 ppb (77) N/A 31.0 ppb (30) N/A N/A 3.0 ppb (3) N/A N/A 51.0 μg/m3 (140) 140.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A 48.0 μg/m3 (132) 132.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 1.0 ppb (1) N/A N/A 49.0 μg/m3 (135) 135.0
 
Jan. 15, 2021, 1 p.m. 72.8 ppb (72) 47.3 ppb (45) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 48.0 μg/m3 (132) 132.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (120) 120.0
 
Jan. 15, 2021, 11 a.m. 65.2 ppb (63) 39.1 ppb (37) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 48.0 μg/m3 (132) 132.0
 
Jan. 15, 2021, 10 a.m. 67.4 ppb (66) 40.3 ppb (39) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 51.0 μg/m3 (140) 140.0
 
Jan. 15, 2021, 9 a.m. 66.9 ppb (65) 38.9 ppb (37) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 53.0 μg/m3 (145) 145.0
 
Jan. 15, 2021, 8 a.m. 69.9 ppb (68) 35.7 ppb (34) N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) N/A N/A 55.0 μg/m3 (150) 150.0
 
Jan. 15, 2021, 7 a.m. 89.6 ppb (89) 55.6 ppb (53) N/A 34.0 ppb (33) N/A N/A 1.0 ppb (1) N/A N/A 65.0 μg/m3 (156) 156.0