ID: 139

AQSQID: 060290014

Site Name: Bakersfield - California Ave

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

Updated: July 28, 2021, 7:53 p.m.

Location: Bakersfield (Park Stockdale), CA

Reporting: True, Located: True

Current AQI: 61.0

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
July 28, 2021, 6 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (61) N/A N/A 8.0 μg/m3 (34) 61.0
 
July 28, 2021, 5 p.m. 4.5 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
July 28, 2021, 4 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
July 28, 2021, 3 p.m. 6.5 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
July 28, 2021, 2 p.m. 14.3 ppb (14) 2.2 ppb (3) N/A 12.0 ppb (12) N/A N/A 25.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 28, 2021, 1 p.m. 13.3 ppb (13) 1.2 ppb (2) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
July 28, 2021, 11 a.m. 6.9 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A N/A 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
July 28, 2021, 10 a.m. 5.6 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
July 28, 2021, 9 a.m. 4.6 ppb (5) 0.0 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
 
July 28, 2021, 8 a.m. 4.4 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
July 28, 2021, 7 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 28, 2021, 6 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 28, 2021, 5 a.m. 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 7.0 μg/m3 (30) 34.0
 
July 28, 2021, 4 a.m. 5.3 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A N/A 11.0 μg/m3 (46) 47.0
 
July 28, 2021, 3 a.m. 4.4 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (74) N/A N/A 11.0 μg/m3 (46) 74.0
 
July 28, 2021, 2 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (100) N/A N/A 8.0 μg/m3 (34) 100.0
 
July 28, 2021, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 77.0 ppb (105) N/A N/A 11.0 μg/m3 (46) 105.0
 
July 28, 2021, midnight 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 78.0 ppb (105) N/A N/A 15.0 μg/m3 (58) 105.0
 
July 27, 2021, 11 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 80.0 ppb (106) N/A N/A 18.0 μg/m3 (64) 106.0
 
July 27, 2021, 10 p.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 83.0 ppb (108) N/A N/A 15.0 μg/m3 (58) 108.0
 
July 27, 2021, 9 p.m. 4.6 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 81.0 ppb (107) N/A N/A 14.0 μg/m3 (55) 107.0
 
July 27, 2021, 8 p.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 70.0 ppb (100) N/A N/A 9.0 μg/m3 (38) 100.0
 
July 27, 2021, 7 p.m. 4.2 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 64.0 ppb (81) N/A N/A 11.0 μg/m3 (46) 81.0
 
July 27, 2021, 6 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
July 27, 2021, 5 p.m. 4.4 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
July 27, 2021, 4 p.m. 6.5 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
July 27, 2021, 3 p.m. 18.4 ppb (18) 4.3 ppb (5) N/A 14.0 ppb (14) N/A N/A 30.0 ppb (28) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 2 p.m. 27.3 ppb (26) 8.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 27, 2021, 1 p.m. 28.4 ppb (27) 8.3 ppb (8) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 27, 2021, 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
 
July 27, 2021, 11 a.m. 27.5 ppb (26) 5.2 ppb (5) N/A 22.0 ppb (21) N/A N/A 3.0 ppb (3) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 27, 2021, 10 a.m. 23.4 ppb (23) 3.3 ppb (4) N/A 20.0 ppb (19) N/A N/A 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 9 a.m. 13.1 ppb (13) 1.7 ppb (2) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 27, 2021, 8 a.m. 9.7 ppb (10) 1.6 ppb (2) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
July 27, 2021, 7 a.m. 10.4 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 6 a.m. 10.6 ppb (10) 0.9 ppb (1) 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
 
July 27, 2021, 5 a.m. 10.5 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 27, 2021, 4 a.m. 6.8 ppb (7) 0.3 ppb (1) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 27, 2021, 3 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 27, 2021, 2 a.m. 5.6 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 27, 2021, 1 a.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 27, 2021, midnight 4.9 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 11 p.m. 7.1 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 46.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 10 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
July 26, 2021, 9 p.m. 7.6 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
July 26, 2021, 8 p.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) N/A N/A 7.0 μg/m3 (30) 39.0
 
July 26, 2021, 7 p.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
July 26, 2021, 6 p.m. 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
July 26, 2021, 5 p.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) N/A N/A 8.0 μg/m3 (34) 41.0
 
July 26, 2021, 4 p.m. 7.1 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 26, 2021, 3 p.m. 22.0 ppb (21) 5.0 ppb (5) N/A 17.0 ppb (17) N/A N/A 18.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 2 p.m. 29.1 ppb (28) 4.1 ppb (4) N/A 25.0 ppb (24) N/A N/A 11.0 ppb (11) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 1 p.m. 21.3 ppb (21) 1.1 ppb (2) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 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
 
July 26, 2021, 11 a.m. 4.8 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
July 26, 2021, 10 a.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 26, 2021, 9 a.m. 3.2 ppb (4) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 26, 2021, 8 a.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 26, 2021, 7 a.m. 2.7 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 26, 2021, 6 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 5 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
July 26, 2021, 4 a.m. 3.7 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
July 26, 2021, 3 a.m. 4.1 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 58.0 ppb (61) N/A N/A 9.0 μg/m3 (38) 61.0
 
July 26, 2021, 2 a.m. 2.3 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (78) N/A N/A 10.0 μg/m3 (42) 78.0
 
July 26, 2021, 1 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) N/A N/A 9.0 μg/m3 (38) 68.0
 
July 26, 2021, midnight 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (58) N/A N/A 9.0 μg/m3 (38) 58.0
 
July 25, 2021, 11 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A 8.0 μg/m3 (34) 58.0
 
July 25, 2021, 10 p.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A 6.0 μg/m3 (25) 50.0
 
July 25, 2021, 9 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
July 25, 2021, 8 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A 7.0 μg/m3 (30) 50.0
 
July 25, 2021, 7 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 5.0 μg/m3 (21) 49.0
 
July 25, 2021, 6 p.m. 1.8 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 5.0 μg/m3 (21) 46.0
 
July 25, 2021, 5 p.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
July 25, 2021, 4 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
July 25, 2021, 3 p.m. 11.1 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 25, 2021, 2 p.m. 22.5 ppb (22) 4.7 ppb (5) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 25, 2021, 1 p.m. 22.1 ppb (21) 1.5 ppb (2) N/A 21.0 ppb (20) N/A N/A 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 11 a.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
July 25, 2021, 10 a.m. 5.5 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
July 25, 2021, 9 a.m. 4.4 ppb (5) -0.1 ppb (0) 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
 
July 25, 2021, 8 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 25, 2021, 7 a.m. 4.6 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
July 25, 2021, 6 a.m. 4.2 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 7.0 μg/m3 (30) 34.0
 
July 25, 2021, 5 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 4 a.m. 7.6 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 25, 2021, 3 a.m. 6.8 ppb (7) -0.2 ppb (0) N/A 7.0 ppb (7) N/A N/A 51.0 ppb (48) N/A N/A 9.0 μg/m3 (38) 48.0
 
July 25, 2021, 2 a.m. 2.9 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (68) N/A N/A 6.0 μg/m3 (25) 68.0
 
July 25, 2021, 1 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 10.0 μg/m3 (42) 78.0
 
July 25, 2021, midnight 1.4 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 11.0 μg/m3 (46) 78.0
 
July 24, 2021, 11 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 63.0 ppb (78) N/A N/A 5.0 μg/m3 (21) 78.0
 
July 24, 2021, 10 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 6.0 μg/m3 (25) 84.0
 
July 24, 2021, 9 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 10.0 μg/m3 (42) 87.0
 
July 24, 2021, 8 p.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 13.0 μg/m3 (53) 84.0
 
July 24, 2021, 7 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 12.0 μg/m3 (50) 78.0
 
July 24, 2021, 6 p.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (68) N/A N/A 10.0 μg/m3 (42) 68.0
 
July 24, 2021, 5 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 9.0 μg/m3 (38) 51.0
 
July 24, 2021, 4 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) N/A N/A 9.0 μg/m3 (38) 43.0
 
July 24, 2021, 3 p.m. 19.0 ppb (18) 3.9 ppb (4) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 2 p.m. 27.4 ppb (26) 5.5 ppb (6) N/A 22.0 ppb (21) N/A N/A 16.0 ppb (15) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 1 p.m. 23.7 ppb (23) 2.4 ppb (3) N/A 21.0 ppb (20) N/A N/A 15.0 ppb (14) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 11 a.m. 6.8 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
July 24, 2021, 10 a.m. 7.4 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
July 24, 2021, 9 a.m. 6.4 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
July 24, 2021, 8 a.m. 4.7 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
July 24, 2021, 7 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 6 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 5 a.m. 4.1 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 24, 2021, 4 a.m. 8.1 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
July 24, 2021, 3 a.m. 5.6 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) N/A N/A 7.0 μg/m3 (30) 46.0
 
July 24, 2021, 2 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (71) N/A N/A 8.0 μg/m3 (34) 71.0
 
July 24, 2021, 1 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (81) N/A N/A 6.0 μg/m3 (25) 81.0
 
July 24, 2021, midnight 2.2 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 8.0 μg/m3 (34) 84.0
 
July 23, 2021, 11 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (78) N/A N/A 9.0 μg/m3 (38) 78.0
 
July 23, 2021, 10 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (74) N/A N/A 9.0 μg/m3 (38) 74.0
 
July 23, 2021, 9 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 7.0 μg/m3 (30) 84.0
 
July 23, 2021, 8 p.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 8.0 μg/m3 (34) 87.0
 
July 23, 2021, 7 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 67.0 ppb (91) N/A N/A 11.0 μg/m3 (46) 91.0
 
July 23, 2021, 6 p.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (91) N/A N/A 9.0 μg/m3 (38) 91.0
 
July 23, 2021, 5 p.m. 5.3 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (74) N/A N/A 10.0 μg/m3 (42) 74.0
 
July 23, 2021, 4 p.m. 8.7 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 50.0 ppb (47) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 3 p.m. 27.8 ppb (27) 6.4 ppb (7) N/A 21.0 ppb (20) N/A N/A 26.0 ppb (25) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 2 p.m. 38.0 ppb (36) 12.9 ppb (13) N/A 25.0 ppb (24) N/A N/A 12.0 ppb (12) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 23, 2021, 1 p.m. 41.8 ppb (40) 14.3 ppb (14) N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 11 a.m. 10.3 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A 19.0 ppb (18) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 10 a.m. 7.0 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 9 a.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 8 a.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 7 a.m. 6.2 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 23, 2021, 6 a.m. 4.4 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
July 23, 2021, 5 a.m. 7.2 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 4 a.m. 10.1 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 44.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 3 a.m. 5.6 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (55) N/A N/A 8.0 μg/m3 (34) 55.0
 
July 23, 2021, 2 a.m. 3.2 ppb (4) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (81) N/A N/A 6.0 μg/m3 (25) 81.0
 
July 23, 2021, 1 a.m. 2.3 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (87) N/A N/A 7.0 μg/m3 (30) 87.0
 
July 23, 2021, midnight 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 6.0 μg/m3 (25) 87.0
 
July 22, 2021, 11 p.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 65.0 ppb (84) N/A N/A 5.0 μg/m3 (21) 84.0
 
July 22, 2021, 10 p.m. 1.6 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (87) N/A N/A 7.0 μg/m3 (30) 87.0
 
July 22, 2021, 9 p.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (94) N/A N/A 11.0 μg/m3 (46) 94.0
 
July 22, 2021, 8 p.m. 3.3 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) N/A N/A 11.0 μg/m3 (46) 97.0
 
July 22, 2021, 7 p.m. 3.2 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (97) N/A N/A 9.0 μg/m3 (38) 97.0
 
July 22, 2021, 6 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 67.0 ppb (91) N/A N/A 10.0 μg/m3 (42) 91.0
 
July 22, 2021, 5 p.m. 8.7 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A N/A 58.0 ppb (61) N/A N/A 11.0 μg/m3 (46) 61.0
 
July 22, 2021, 4 p.m. 20.4 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (17) N/A N/A 39.0 ppb (37) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 3 p.m. 21.5 ppb (21) 4.6 ppb (5) N/A 17.0 ppb (17) N/A N/A 28.0 ppb (26) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 2 p.m. 28.4 ppb (27) 8.1 ppb (8) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (15) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 22, 2021, 1 p.m. 12.2 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 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
 
July 22, 2021, 11 a.m. 11.3 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 10 a.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 9 a.m. 12.7 ppb (12) 0.5 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 8 a.m. 11.9 ppb (12) 0.4 ppb (1) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 7 a.m. 11.8 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 22, 2021, 6 a.m. 11.5 ppb (11) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 22, 2021, 5 a.m. 10.8 ppb (11) 0.1 ppb (1) N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 22, 2021, 4 a.m. 8.1 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 22, 2021, 3 a.m. 3.9 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
July 22, 2021, 2 a.m. 2.5 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) N/A N/A 6.0 μg/m3 (25) 51.0
 
July 22, 2021, 1 a.m. 2.2 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 6.0 μg/m3 (25) 55.0
 
July 22, 2021, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 9.0 μg/m3 (38) 51.0
 
July 21, 2021, 11 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (55) N/A N/A 8.0 μg/m3 (34) 55.0
 
July 21, 2021, 10 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
July 21, 2021, 9 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A N/A 8.0 μg/m3 (34) 50.0
 
July 21, 2021, 8 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A N/A 10.0 μg/m3 (42) 49.0
 
July 21, 2021, 7 p.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 18.0 μg/m3 (64) 64.0