ID: 139

AQSQID: 060290014

Site Name: Bakersfield - California Ave

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

Updated: Oct. 19, 2021, 11:02 a.m.

Location: Bakersfield (Park Stockdale), CA

Reporting: True, Located: True

Current AQI: 62.0

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
Oct. 19, 2021, 9 a.m. 31.2 ppb (30) 11.7 ppb (12) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 19, 2021, 8 a.m. 26.5 ppb (25) 5.7 ppb (6) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 7 a.m. 22.8 ppb (22) 2.5 ppb (3) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 6 a.m. 21.8 ppb (21) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 5 a.m. 23.1 ppb (22) 1.8 ppb (2) N/A 21.0 ppb (20) N/A N/A 6.0 ppb (6) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 19, 2021, 4 a.m. 36.5 ppb (35) 4.2 ppb (4) N/A 32.0 ppb (31) N/A N/A 3.0 ppb (3) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 19, 2021, 3 a.m. 18.7 ppb (18) 1.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 19, 2021, 2 a.m. 9.8 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
Oct. 19, 2021, 1 a.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) N/A N/A -3.0 μg/m3 (0) 31.0
 
Oct. 19, 2021, midnight 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A -3.0 μg/m3 (0) 33.0
 
Oct. 18, 2021, 11 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
Oct. 18, 2021, 10 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Oct. 18, 2021, 9 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Oct. 18, 2021, 8 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Oct. 18, 2021, 7 p.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Oct. 18, 2021, 6 p.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Oct. 18, 2021, 5 p.m. 3.3 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
Oct. 18, 2021, 4 p.m. 5.4 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
Oct. 18, 2021, 3 p.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
Oct. 18, 2021, 2 p.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
Oct. 18, 2021, 1 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
Oct. 18, 2021, 11 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Oct. 18, 2021, 10 a.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 9 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 24.0 μg/m3 (77) 77.0
 
Oct. 18, 2021, 8 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 24.0 μg/m3 (77) 77.0
 
Oct. 18, 2021, 7 a.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A N/A 22.0 μg/m3 (72) 72.0
 
Oct. 18, 2021, 6 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 18, 2021, 5 a.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 18, 2021, 4 a.m. 3.5 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 18, 2021, 3 a.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
Oct. 18, 2021, 2 a.m. 1.1 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
Oct. 18, 2021, 1 a.m. 2.0 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
Oct. 18, 2021, midnight 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A N/A -3.0 μg/m3 (0) 44.0
 
Oct. 17, 2021, 11 p.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A -3.0 μg/m3 (0) 46.0
 
Oct. 17, 2021, 10 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 0.0 μg/m3 (0) 46.0
 
Oct. 17, 2021, 9 p.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 2.0 μg/m3 (9) 47.0
 
Oct. 17, 2021, 8 p.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
Oct. 17, 2021, 7 p.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
Oct. 17, 2021, 6 p.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
Oct. 17, 2021, 5 p.m. 11.9 ppb (12) 2.6 ppb (3) 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
 
Oct. 17, 2021, 4 p.m. 26.3 ppb (25) 8.8 ppb (9) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 17, 2021, 3 p.m. 45.9 ppb (44) 19.8 ppb (19) N/A 26.0 ppb (25) N/A N/A 7.0 ppb (7) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 17, 2021, 2 p.m. 41.6 ppb (40) 15.3 ppb (15) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 17, 2021, 1 p.m. 31.8 ppb (30) 5.7 ppb (6) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 17, 2021, 11 a.m. 30.8 ppb (30) 2.5 ppb (3) 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
 
Oct. 17, 2021, 10 a.m. 31.6 ppb (30) 3.5 ppb (4) N/A 28.0 ppb (27) N/A N/A 5.0 ppb (5) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 17, 2021, 9 a.m. 37.7 ppb (36) 6.9 ppb (7) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 17, 2021, 8 a.m. 37.8 ppb (36) 4.4 ppb (5) N/A 33.0 ppb (32) N/A N/A 2.0 ppb (2) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 17, 2021, 7 a.m. 40.9 ppb (39) 5.0 ppb (5) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 17, 2021, 6 a.m. 31.2 ppb (30) 2.4 ppb (3) N/A 29.0 ppb (28) N/A N/A 10.0 ppb (10) N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 17, 2021, 5 a.m. 18.9 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 17, 2021, 4 a.m. 13.4 ppb (13) 0.5 ppb (1) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 17, 2021, 3 a.m. 12.1 ppb (12) 0.3 ppb (1) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 17, 2021, 2 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
Oct. 17, 2021, 1 a.m. 8.8 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Oct. 17, 2021, midnight 4.4 ppb (5) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A N/A 6.0 μg/m3 (25) 45.0
 
Oct. 16, 2021, 11 p.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A N/A 6.0 μg/m3 (25) 48.0
 
Oct. 16, 2021, 10 p.m. 3.9 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) N/A N/A 5.0 μg/m3 (21) 47.0
 
Oct. 16, 2021, 9 p.m. 3.5 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
Oct. 16, 2021, 8 p.m. 3.3 ppb (4) 0.2 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
 
Oct. 16, 2021, 7 p.m. 7.3 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
Oct. 16, 2021, 6 p.m. 21.6 ppb (21) 5.0 ppb (5) N/A 17.0 ppb (17) N/A N/A 33.0 ppb (31) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 5 p.m. 21.0 ppb (20) 5.3 ppb (5) N/A 16.0 ppb (16) N/A N/A 27.0 ppb (25) N/A N/A 20.0 μg/m3 (68) 68.0
 
Oct. 16, 2021, 4 p.m. 23.6 ppb (23) 7.0 ppb (7) N/A 17.0 ppb (17) N/A N/A 20.0 ppb (19) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 3 p.m. 35.6 ppb (34) 15.0 ppb (15) N/A 21.0 ppb (20) N/A N/A 9.0 ppb (9) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 2 p.m. 72.1 ppb (71) 48.0 ppb (46) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) N/A N/A 18.0 μg/m3 (64) 71.0
 
Oct. 16, 2021, 1 p.m. 67.8 ppb (66) 44.7 ppb (43) N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) N/A N/A 61.0 μg/m3 (154) 154.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 16, 2021, 11 a.m. 47.8 ppb (46) 23.1 ppb (22) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 16, 2021, 10 a.m. 45.8 ppb (44) 19.2 ppb (19) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 16, 2021, 9 a.m. 45.0 ppb (43) 18.2 ppb (18) N/A 27.0 ppb (26) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 8 a.m. 46.7 ppb (45) 16.5 ppb (16) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (60) 60.0
 
Oct. 16, 2021, 7 a.m. 39.8 ppb (38) 11.6 ppb (11) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 16, 2021, 6 a.m. 34.3 ppb (33) 5.1 ppb (5) N/A 29.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A 19.0 μg/m3 (66) 66.0
 
Oct. 16, 2021, 5 a.m. 37.3 ppb (36) 4.5 ppb (5) N/A 33.0 ppb (32) N/A N/A 3.0 ppb (3) N/A N/A 22.0 μg/m3 (72) 72.0
 
Oct. 16, 2021, 4 a.m. 39.2 ppb (37) 2.7 ppb (3) N/A 37.0 ppb (35) N/A N/A 8.0 ppb (8) N/A N/A 22.0 μg/m3 (72) 72.0
 
Oct. 16, 2021, 3 a.m. 23.1 ppb (22) 0.6 ppb (1) N/A 23.0 ppb (22) N/A N/A 24.0 ppb (23) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 16, 2021, 2 a.m. 16.4 ppb (16) 0.1 ppb (1) N/A 16.0 ppb (16) N/A N/A 31.0 ppb (29) N/A N/A 22.0 μg/m3 (72) 72.0
 
Oct. 16, 2021, 1 a.m. 8.5 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 42.0 ppb (39) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 16, 2021, midnight 4.4 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A N/A 9.0 μg/m3 (38) 47.0
 
Oct. 15, 2021, 11 p.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) N/A N/A 4.0 μg/m3 (17) 48.0
 
Oct. 15, 2021, 10 p.m. 5.2 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
Oct. 15, 2021, 9 p.m. 6.6 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
Oct. 15, 2021, 8 p.m. 7.1 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
Oct. 15, 2021, 7 p.m. 13.7 ppb (13) 2.3 ppb (3) N/A 12.0 ppb (12) N/A N/A 42.0 ppb (39) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 6 p.m. 21.0 ppb (20) 4.9 ppb (5) N/A 16.0 ppb (16) N/A N/A 33.0 ppb (31) N/A N/A 12.0 μg/m3 (50) 50.0
 
Oct. 15, 2021, 5 p.m. 37.0 ppb (35) 12.8 ppb (13) N/A 24.0 ppb (23) N/A N/A 19.0 ppb (18) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 4 p.m. 48.8 ppb (47) 21.2 ppb (20) N/A 28.0 ppb (27) N/A N/A 11.0 ppb (11) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 15, 2021, 3 p.m. 66.0 ppb (64) 36.5 ppb (35) N/A 30.0 ppb (29) N/A N/A 5.0 ppb (5) N/A N/A 19.0 μg/m3 (66) 66.0
 
Oct. 15, 2021, 2 p.m. 85.7 ppb (85) 57.2 ppb (55) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (60) 85.0
 
Oct. 15, 2021, 1 p.m. 62.8 ppb (61) 32.6 ppb (31) N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (53) 61.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 11 a.m. 36.8 ppb (35) 6.4 ppb (7) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 10 a.m. 25.6 ppb (25) 1.4 ppb (2) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 9 a.m. 32.7 ppb (31) 2.1 ppb (2) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 8 a.m. 33.9 ppb (32) 2.5 ppb (3) N/A 32.0 ppb (31) N/A N/A 5.0 ppb (5) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 15, 2021, 7 a.m. 30.3 ppb (29) 1.6 ppb (2) N/A 29.0 ppb (28) N/A N/A 9.0 ppb (9) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 15, 2021, 6 a.m. 28.4 ppb (27) 1.5 ppb (2) N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 15, 2021, 5 a.m. 29.6 ppb (28) 1.6 ppb (2) N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) N/A N/A 19.0 μg/m3 (66) 66.0
 
Oct. 15, 2021, 4 a.m. 38.3 ppb (37) 3.9 ppb (4) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) N/A N/A 23.0 μg/m3 (74) 74.0
 
Oct. 15, 2021, 3 a.m. 21.0 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (18) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 15, 2021, 2 a.m. 16.3 ppb (16) 0.3 ppb (1) N/A 16.0 ppb (16) N/A N/A 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 15, 2021, 1 a.m. 9.5 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (10) N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, midnight 5.2 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Oct. 14, 2021, 11 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 2.0 μg/m3 (9) 43.0
 
Oct. 14, 2021, 10 p.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 2.0 μg/m3 (9) 43.0
 
Oct. 14, 2021, 9 p.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
Oct. 14, 2021, 8 p.m. 4.2 ppb (4) 0.4 ppb (1) 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
 
Oct. 14, 2021, 7 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 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 6 p.m. 7.2 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (29) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 5 p.m. 10.6 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 4 p.m. 21.2 ppb (20) 7.8 ppb (8) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 14, 2021, 3 p.m. 46.1 ppb (44) 25.2 ppb (24) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 14, 2021, 2 p.m. 73.6 ppb (72) 48.6 ppb (46) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 72.0
 
Oct. 14, 2021, 1 p.m. 55.6 ppb (53) 28.8 ppb (28) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 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
 
Oct. 14, 2021, 11 a.m. 36.7 ppb (35) 10.6 ppb (10) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 14, 2021, 10 a.m. 37.1 ppb (35) 9.0 ppb (9) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 14, 2021, 9 a.m. 36.6 ppb (35) 7.3 ppb (7) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (58) 58.0
 
Oct. 14, 2021, 8 a.m. 37.8 ppb (36) 7.0 ppb (7) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 14, 2021, 7 a.m. 41.2 ppb (39) 6.7 ppb (7) N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 18.0 μg/m3 (64) 64.0
 
Oct. 14, 2021, 6 a.m. 43.9 ppb (42) 7.7 ppb (8) N/A 36.0 ppb (34) N/A N/A 1.0 ppb (1) N/A N/A 21.0 μg/m3 (70) 70.0
 
Oct. 14, 2021, 5 a.m. 59.6 ppb (57) 18.7 ppb (18) N/A 41.0 ppb (39) N/A N/A 1.0 ppb (1) N/A N/A 17.0 μg/m3 (62) 62.0
 
Oct. 14, 2021, 4 a.m. 45.1 ppb (43) 8.2 ppb (8) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 14, 2021, 3 a.m. 24.3 ppb (23) 0.8 ppb (1) N/A 24.0 ppb (23) N/A N/A 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 14, 2021, 2 a.m. 13.1 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 1 a.m. 7.4 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Oct. 14, 2021, midnight 3.4 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Oct. 13, 2021, 11 p.m. 2.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
Oct. 13, 2021, 10 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
Oct. 13, 2021, 9 p.m. 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
 
Oct. 13, 2021, 8 p.m. 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
 
Oct. 13, 2021, 7 p.m. 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
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Oct. 13, 2021, 4 p.m. 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
 
Oct. 13, 2021, 3 p.m. 27.9 ppb (27) 8.7 ppb (9) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) N/A N/A 14.0 μg/m3 (55) 55.0
 
Oct. 13, 2021, 2 p.m. 43.4 ppb (41) 13.5 ppb (13) N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) N/A N/A 9.0 μg/m3 (38) 41.0
 
Oct. 13, 2021, 1 p.m. 37.0 ppb (35) 7.1 ppb (7) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 35.0
 
Oct. 13, 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
 
Oct. 13, 2021, 11 a.m. 16.8 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 11.0 ppb (11) N/A N/A 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 10 a.m. 27.6 ppb (27) 2.5 ppb (3) N/A 25.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 9 a.m. 25.2 ppb (24) 1.7 ppb (2) N/A 24.0 ppb (23) N/A N/A 3.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 24.0
 
Oct. 13, 2021, 8 a.m. 22.9 ppb (22) 1.2 ppb (2) N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 13, 2021, 7 a.m. 17.9 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 6 a.m. 14.7 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 5 a.m. 28.8 ppb (28) 3.9 ppb (4) N/A 25.0 ppb (24) N/A N/A 9.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
Oct. 13, 2021, 4 a.m. 34.2 ppb (33) 2.4 ppb (3) N/A 32.0 ppb (31) N/A N/A 5.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 3 a.m. 20.4 ppb (20) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (15) N/A N/A 13.0 μg/m3 (53) 53.0
 
Oct. 13, 2021, 2 a.m. 9.2 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) N/A N/A 1.0 μg/m3 (5) 27.0
 
Oct. 13, 2021, 1 a.m. 3.5 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
Oct. 13, 2021, midnight 1.6 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Oct. 12, 2021, 11 p.m. 1.6 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
Oct. 12, 2021, 10 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
Oct. 12, 2021, 9 p.m. 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
Oct. 12, 2021, 8 p.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
Oct. 12, 2021, 7 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Oct. 12, 2021, 6 p.m. 2.5 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Oct. 12, 2021, 5 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 4 p.m. 6.8 ppb (7) 2.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Oct. 12, 2021, 3 p.m. 31.0 ppb (30) 15.3 ppb (15) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 2021, 2 p.m. 36.7 ppb (35) 14.8 ppb (14) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) N/A N/A 8.0 μg/m3 (34) 35.0
 
Oct. 12, 2021, 1 p.m. 17.2 ppb (17) 6.9 ppb (7) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 12, 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
 
Oct. 12, 2021, 11 a.m. 6.5 ppb (7) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 12, 2021, 10 a.m. 2.6 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0