AQSQID: 060290014

Site Name: Bakersfield - California Ave

Location: Bakersfield (Oakdale Dr), CA

Reporting: True, Located: True

Current AQI: 37.0

Bakersfield (Oakdale Dr) CA, US: 35.3561, -119.0403

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 13, 2019, 3 a.m. 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 13, 2019, 2 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
April 13, 2019, 1 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
April 13, 2019, midnight 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
April 12, 2019, 11 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 12, 2019, 10 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
April 12, 2019, 9 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
April 12, 2019, 8 p.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
April 12, 2019, 7 p.m. 3.5 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
April 12, 2019, 6 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
April 12, 2019, 5 p.m. 3.4 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
April 12, 2019, 4 p.m. 5.1 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
April 12, 2019, 3 p.m. 18.7 ppb (17) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 12, 2019, 2 p.m. 35.6 ppb (33) 11.7 ppb (11) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 12, 2019, 1 p.m. 22.6 ppb (21) 3.8 ppb (4) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 12, 2019, 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
 
April 12, 2019, 11 a.m. 4.7 ppb (4) 0.4 ppb (0) 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
 
April 12, 2019, 10 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
April 12, 2019, 9 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
April 12, 2019, 8 a.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
April 12, 2019, 7 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
April 12, 2019, 6 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 12, 2019, 5 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 12, 2019, 4 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 12, 2019, 3 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
April 12, 2019, 2 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 12, 2019, 1 a.m. 4.2 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
April 12, 2019, midnight 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
April 11, 2019, 11 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
April 11, 2019, 10 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
April 11, 2019, 9 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
April 11, 2019, 8 p.m. 3.7 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 7.0 μg/m3 (29) 35.0
 
April 11, 2019, 7 p.m. 4.5 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 11, 2019, 6 p.m. 3.8 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 11, 2019, 5 p.m. 6.1 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 11, 2019, 4 p.m. N/A 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 11, 2019, 3 p.m. 50.4 ppb (47) 20.4 ppb (19) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) N/A N/A 15.0 μg/m3 (56) 56.0
 
April 11, 2019, 2 p.m. 69.4 ppb (66) 36.8 ppb (34) N/A 33.0 ppb (31) N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 66.0
 
April 11, 2019, 1 p.m. 52.3 ppb (48) 20.2 ppb (19) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) N/A N/A 10.0 μg/m3 (42) 48.0
 
April 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
April 11, 2019, 11 a.m. 34.0 ppb (31) 6.1 ppb (6) N/A 28.0 ppb (26) N/A N/A 2.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 31.0
 
April 11, 2019, 10 a.m. 20.4 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (6) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 11, 2019, 9 a.m. 19.4 ppb (18) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 11, 2019, 8 a.m. 19.5 ppb (18) 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 11, 2019, 7 a.m. 23.4 ppb (22) 1.1 ppb (1) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 11, 2019, 6 a.m. 11.4 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
April 11, 2019, 5 a.m. 13.6 ppb (13) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 11, 2019, 4 a.m. 12.9 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
April 11, 2019, 3 a.m. 6.1 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
April 11, 2019, 2 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 3.0 μg/m3 (12) 37.0
 
April 11, 2019, 1 a.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
April 11, 2019, midnight 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) N/A N/A 2.0 μg/m3 (8) 41.0
 
April 10, 2019, 11 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 3.0 μg/m3 (12) 41.0
 
April 10, 2019, 10 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 1.0 μg/m3 (4) 40.0
 
April 10, 2019, 9 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 10, 2019, 8 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
April 10, 2019, 7 p.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
April 10, 2019, 6 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
April 10, 2019, 5 p.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
April 10, 2019, 4 p.m. 6.7 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
April 10, 2019, 3 p.m. 22.6 ppb (21) 8.5 ppb (8) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 10, 2019, 2 p.m. 46.8 ppb (43) 21.7 ppb (20) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) N/A N/A 8.0 μg/m3 (33) 43.0
 
April 10, 2019, 1 p.m. 48.8 ppb (45) 17.6 ppb (16) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 45.0
 
April 10, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
April 10, 2019, 11 a.m. 23.1 ppb (21) 1.7 ppb (2) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 10, 2019, 10 a.m. 16.0 ppb (15) 1.8 ppb (2) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 10, 2019, 9 a.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
April 10, 2019, 8 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
April 10, 2019, 7 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
April 10, 2019, 6 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 10, 2019, 5 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
April 10, 2019, 4 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
April 10, 2019, 3 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 10, 2019, 2 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 10, 2019, 1 a.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 10, 2019, midnight 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 9, 2019, 11 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 9, 2019, 10 p.m. 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 9, 2019, 9 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
April 9, 2019, 8 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
April 9, 2019, 7 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
April 9, 2019, 6 p.m. 3.1 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
April 9, 2019, 5 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 9, 2019, 4 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
April 9, 2019, 3 p.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
April 9, 2019, 2 p.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
April 9, 2019, 1 p.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 9, 2019, 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
 
April 9, 2019, 11 a.m. 4.6 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 9, 2019, 10 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 9, 2019, 9 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 9, 2019, 8 a.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
April 9, 2019, 7 a.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 9, 2019, 6 a.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2019, 5 a.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 9, 2019, 4 a.m. 8.7 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 9, 2019, 3 a.m. 7.5 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 9, 2019, 2 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 9, 2019, 1 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 9, 2019, midnight 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
April 8, 2019, 11 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 8, 2019, 10 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 8, 2019, 9 p.m. 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 7.0 μg/m3 (29) 35.0
 
April 8, 2019, 8 p.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 8.0 μg/m3 (33) 37.0
 
April 8, 2019, 7 p.m. 4.9 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
April 8, 2019, 6 p.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 8, 2019, 5 p.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 8, 2019, 4 p.m. 9.7 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 8, 2019, 3 p.m. 17.4 ppb (16) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 8, 2019, 2 p.m. 23.7 ppb (22) 7.3 ppb (7) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 8, 2019, 1 p.m. 21.2 ppb (20) 3.6 ppb (3) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2019, 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
 
April 8, 2019, 11 a.m. 20.9 ppb (19) 1.2 ppb (1) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2019, 10 a.m. 23.9 ppb (22) 1.8 ppb (2) N/A 22.0 ppb (20) N/A N/A 4.0 ppb (3) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 8, 2019, 9 a.m. 18.9 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 8, 2019, 8 a.m. 13.5 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 8, 2019, 7 a.m. 14.1 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 8, 2019, 6 a.m. 13.6 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2019, 5 a.m. 25.7 ppb (24) 1.6 ppb (1) N/A 24.0 ppb (22) N/A N/A 13.0 ppb (10) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 8, 2019, 4 a.m. 18.5 ppb (17) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 8, 2019, 3 a.m. 10.0 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
April 8, 2019, 2 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
April 8, 2019, 1 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
April 8, 2019, midnight 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 3.0 μg/m3 (12) 37.0
 
April 7, 2019, 11 p.m. 3.0 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
April 7, 2019, 10 p.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2019, 9 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 7, 2019, 8 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 7, 2019, 7 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
April 7, 2019, 6 p.m. 5.1 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
April 7, 2019, 5 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 2.0 μg/m3 (8) 24.0
 
April 7, 2019, 4 p.m. 6.4 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
April 7, 2019, 3 p.m. 11.6 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 7, 2019, 2 p.m. 16.2 ppb (15) 5.2 ppb (5) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 7, 2019, 1 p.m. 19.8 ppb (18) 3.3 ppb (3) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 7, 2019, 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
 
April 7, 2019, 11 a.m. 13.8 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 7, 2019, 10 a.m. 18.9 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 7, 2019, 9 a.m. 18.2 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2019, 8 a.m. 18.5 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
April 7, 2019, 7 a.m. 18.4 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 7, 2019, 6 a.m. 16.7 ppb (15) 0.7 ppb (1) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) N/A N/A 15.0 μg/m3 (56) 56.0
 
April 7, 2019, 5 a.m. 24.9 ppb (23) 1.0 ppb (1) N/A 24.0 ppb (22) N/A N/A 23.0 ppb (18) N/A N/A 14.0 μg/m3 (54) 54.0
 
April 7, 2019, 4 a.m. 20.4 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 31.0 ppb (24) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 7, 2019, 3 a.m. 8.7 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
April 7, 2019, 2 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
April 7, 2019, 1 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
April 7, 2019, midnight 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
April 6, 2019, 11 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
April 6, 2019, 10 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 6, 2019, 9 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 3.0 μg/m3 (12) 39.0
 
April 6, 2019, 8 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
April 6, 2019, 7 p.m. 3.1 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
April 6, 2019, 6 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
April 6, 2019, 5 p.m. 5.2 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
April 6, 2019, 4 p.m. 11.7 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
April 6, 2019, 3 p.m. 24.4 ppb (23) 10.8 ppb (10) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 6, 2019, 2 p.m. 46.4 ppb (43) 27.8 ppb (26) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 6, 2019, 1 p.m. 40.7 ppb (38) 20.7 ppb (19) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 8.0 μg/m3 (33) 38.0
 
April 6, 2019, 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
 
April 6, 2019, 11 a.m. 32.3 ppb (30) 12.2 ppb (11) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) N/A N/A 7.0 μg/m3 (29) 30.0
 
April 6, 2019, 10 a.m. 24.1 ppb (22) 3.6 ppb (3) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 6, 2019, 9 a.m. 10.0 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
April 6, 2019, 8 a.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2019, 7 a.m. 13.1 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 6, 2019, 6 a.m. 13.3 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 6, 2019, 5 a.m. 17.9 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
April 6, 2019, 4 a.m. 17.4 ppb (16) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0