AQSQID: 060658005

Site Name: Mira Loma - Van Buren

Location: Riverside Co, CA

Reporting: True, Located: True

Current AQI: 70.0

Riverside Co CA, US: 33.996387, -117.4925

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2019, 11 a.m. 19.1 ppb (18) 4.1 ppb (4) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.15 ppb (2) 33.0 μg/m3 (30) -1.1 μg/m3 (0) 30.0
 
Jan. 24, 2019, 10 a.m. 73.0 ppb (70) 48.0 ppb (44) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.57 ppb (6) 36.0 μg/m3 (33) 20.2 μg/m3 (67) 70.0
 
Jan. 24, 2019, 9 a.m. 91.8 ppb (90) 66.7 ppb (64) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.83 ppb (9) 44.0 μg/m3 (40) 12.8 μg/m3 (52) 90.0
 
Jan. 24, 2019, 8 a.m. 91.6 ppb (90) 64.6 ppb (61) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.78 ppb (9) 52.0 μg/m3 (47) 21.4 μg/m3 (70) 90.0
 
Jan. 24, 2019, 7 a.m. 76.3 ppb (74) 49.2 ppb (46) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.82 ppb (9) 46.0 μg/m3 (42) 23.0 μg/m3 (73) 74.0
 
Jan. 24, 2019, 6 a.m. 95.6 ppb (94) 70.7 ppb (68) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.96 ppb (11) 62.0 μg/m3 (54) 25.7 μg/m3 (79) 94.0
 
Jan. 24, 2019, 5 a.m. 107.2 ppb (101) 77.5 ppb (75) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 1.02 ppb (11) 64.0 μg/m3 (54) 19.5 μg/m3 (66) 101.0
 
Jan. 24, 2019, 4 a.m. 103.2 ppb (100) 72.8 ppb (70) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.99 ppb (11) 73.0 μg/m3 (59) 20.0 μg/m3 (67) 100.0
 
Jan. 24, 2019, 3 a.m. 102.4 ppb (100) 69.3 ppb (66) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 1.0 ppb (11) 89.0 μg/m3 (67) 16.5 μg/m3 (60) 100.0
 
Jan. 24, 2019, 2 a.m. 62.0 ppb (59) 24.7 ppb (23) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.66 ppb (7) 63.0 μg/m3 (54) 13.6 μg/m3 (53) 59.0
 
Jan. 24, 2019, 1 a.m. 48.7 ppb (45) 13.9 ppb (13) N/A 35.0 ppb (32) N/A N/A 9.0 ppb (7) 0.48 ppb (5) 58.0 μg/m3 (52) 6.1 μg/m3 (25) 52.0
 
Jan. 24, 2019, midnight 16.1 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 28.0 μg/m3 (25) 1.9 μg/m3 (8) 25.0
 
Jan. 23, 2019, 11 p.m. 12.3 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.15 ppb (2) 18.0 μg/m3 (16) 4.9 μg/m3 (20) 28.0
 
Jan. 23, 2019, 10 p.m. 13.7 ppb (13) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) 0.14 ppb (2) 15.0 μg/m3 (14) 3.6 μg/m3 (15) 29.0
 
Jan. 23, 2019, 9 p.m. 12.8 ppb (12) 3.5 ppb (3) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) 0.15 ppb (2) 14.0 μg/m3 (13) 0.4 μg/m3 (2) 28.0
 
Jan. 23, 2019, 8 p.m. 12.7 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.13 ppb (1) 16.0 μg/m3 (15) 0.6 μg/m3 (2) 28.0
 
Jan. 23, 2019, 7 p.m. 11.4 ppb (11) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.12 ppb (1) 26.0 μg/m3 (24) 7.1 μg/m3 (30) 30.0
 
Jan. 23, 2019, 6 p.m. 22.5 ppb (21) 7.9 ppb (7) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) 0.18 ppb (2) 18.0 μg/m3 (16) 12.1 μg/m3 (50) 50.0
 
Jan. 23, 2019, 5 p.m. 48.8 ppb (45) 22.9 ppb (21) N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) 0.3 ppb (3) 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
Jan. 23, 2019, 4 p.m. 66.1 ppb (63) 36.4 ppb (34) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) 0.44 ppb (5) 35.0 μg/m3 (32) 8.0 μg/m3 (33) 63.0
 
Jan. 23, 2019, 3 p.m. 75.9 ppb (73) 44.0 ppb (41) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.6 ppb (7) 48.0 μg/m3 (44) 6.3 μg/m3 (26) 73.0
 
Jan. 23, 2019, 2 p.m. 81.1 ppb (79) 46.1 ppb (43) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 49.0 μg/m3 (45) 4.3 μg/m3 (18) 79.0
 
Jan. 23, 2019, 1 p.m. 74.9 ppb (72) 36.3 ppb (34) N/A 39.0 ppb (36) N/A N/A 2.0 ppb (2) 0.43 ppb (5) 32.0 μg/m3 (29) 1.7 μg/m3 (7) 72.0
 
Jan. 23, 2019, noon 17.9 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.13 ppb (1) 8.0 μg/m3 (7) -0.3 μg/m3 (0) 18.0
 
Jan. 23, 2019, 11 a.m. 5.2 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.07 ppb (1) 9.0 μg/m3 (8) -2.3 μg/m3 (0) 30.0
 
Jan. 23, 2019, 10 a.m. 3.2 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.06 ppb (1) 7.0 μg/m3 (6) -0.3 μg/m3 (0) 32.0
 
Jan. 23, 2019, 9 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.07 ppb (1) 5.0 μg/m3 (5) 0.9 μg/m3 (4) 30.0
 
Jan. 23, 2019, 8 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.06 ppb (1) 6.0 μg/m3 (5) -1.1 μg/m3 (0) 33.0
 
Jan. 23, 2019, 7 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.06 ppb (1) 7.0 μg/m3 (6) -0.6 μg/m3 (0) 33.0
 
Jan. 23, 2019, 6 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.06 ppb (1) 8.0 μg/m3 (7) -0.3 μg/m3 (0) 34.0
 
Jan. 23, 2019, 5 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.06 ppb (1) 15.0 μg/m3 (14) 1.2 μg/m3 (5) 34.0
 
Jan. 23, 2019, 4 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.06 ppb (1) 36.0 μg/m3 (33) 0.4 μg/m3 (2) 33.0
 
Jan. 23, 2019, 3 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.07 ppb (1) 21.0 μg/m3 (19) -0.1 μg/m3 (0) 31.0
 
Jan. 23, 2019, 2 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.07 ppb (1) 20.0 μg/m3 (18) 2.4 μg/m3 (10) 31.0
 
Jan. 23, 2019, 1 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.08 ppb (1) 13.0 μg/m3 (12) 2.2 μg/m3 (9) 31.0
 
Jan. 23, 2019, midnight 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.07 ppb (1) 19.0 μg/m3 (17) 0.4 μg/m3 (2) 32.0
 
Jan. 22, 2019, 11 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.07 ppb (1) 32.0 μg/m3 (29) 1.1 μg/m3 (5) 32.0
 
Jan. 22, 2019, 10 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.07 ppb (1) 54.0 μg/m3 (49) 2.9 μg/m3 (12) 49.0
 
Jan. 22, 2019, 9 p.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.07 ppb (1) 52.0 μg/m3 (47) 2.9 μg/m3 (12) 47.0
 
Jan. 22, 2019, 8 p.m. 4.1 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.06 ppb (1) 44.0 μg/m3 (40) 0.6 μg/m3 (2) 40.0
 
Jan. 22, 2019, 7 p.m. 4.5 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.07 ppb (1) 41.0 μg/m3 (37) -0.7 μg/m3 (0) 37.0
 
Jan. 22, 2019, 6 p.m. 4.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.07 ppb (1) 26.0 μg/m3 (24) 1.9 μg/m3 (8) 31.0
 
Jan. 22, 2019, 5 p.m. 3.3 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.07 ppb (1) 24.0 μg/m3 (22) 5.8 μg/m3 (24) 31.0
 
Jan. 22, 2019, 4 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.07 ppb (1) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 3.1 μg/m3 (13) 18.0
 
Jan. 22, 2019, 2 p.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.07 ppb (1) 24.0 μg/m3 (22) 1.1 μg/m3 (5) 29.0
 
Jan. 22, 2019, 1 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.07 ppb (1) 26.0 μg/m3 (24) 2.1 μg/m3 (9) 29.0
 
Jan. 22, 2019, noon 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.06 ppb (1) 25.0 μg/m3 (23) 1.9 μg/m3 (8) 29.0
 
Jan. 22, 2019, 11 a.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.06 ppb (1) 16.0 μg/m3 (15) -0.1 μg/m3 (0) 28.0
 
Jan. 22, 2019, 10 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.06 ppb (1) 17.0 μg/m3 (15) 3.8 μg/m3 (16) 28.0
 
Jan. 22, 2019, 9 a.m. 38.9 ppb (36) 16.8 ppb (16) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.45 ppb (5) 26.0 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
Jan. 22, 2019, 8 a.m. 35.9 ppb (33) 13.6 ppb (13) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.45 ppb (5) 27.0 μg/m3 (25) 11.6 μg/m3 (48) 48.0
 
Jan. 22, 2019, 7 a.m. 36.0 ppb (33) 11.1 ppb (10) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.52 ppb (6) 23.0 μg/m3 (21) 13.6 μg/m3 (53) 53.0
 
Jan. 22, 2019, 6 a.m. 37.3 ppb (35) 13.0 ppb (12) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.52 ppb (6) 30.0 μg/m3 (27) 10.6 μg/m3 (44) 44.0
 
Jan. 22, 2019, 5 a.m. 35.7 ppb (33) 9.7 ppb (9) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.4 ppb (4) 39.0 μg/m3 (35) 6.6 μg/m3 (28) 35.0
 
Jan. 22, 2019, 4 a.m. 19.3 ppb (18) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 15.0 ppb (12) 0.31 ppb (3) 34.0 μg/m3 (31) 5.9 μg/m3 (25) 31.0
 
Jan. 22, 2019, 3 a.m. 22.0 ppb (20) 2.8 ppb (3) N/A 19.0 ppb (18) N/A N/A 18.0 ppb (14) 0.26 ppb (3) 28.0 μg/m3 (25) 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2019, 2 a.m. 12.0 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.18 ppb (2) 23.0 μg/m3 (21) 4.9 μg/m3 (20) 22.0
 
Jan. 22, 2019, 1 a.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.12 ppb (1) 22.0 μg/m3 (20) 2.9 μg/m3 (12) 28.0
 
Jan. 22, 2019, midnight 5.7 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.1 ppb (1) 26.0 μg/m3 (24) 3.7 μg/m3 (15) 30.0
 
Jan. 21, 2019, 11 p.m. 5.1 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.09 ppb (1) 21.0 μg/m3 (19) 4.4 μg/m3 (18) 31.0
 
Jan. 21, 2019, 10 p.m. 4.2 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 37.0 μg/m3 (34) 1.9 μg/m3 (8) 34.0
 
Jan. 21, 2019, 9 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 38.0 μg/m3 (35) -0.1 μg/m3 (0) 35.0
 
Jan. 21, 2019, 8 p.m. 4.3 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 18.0 μg/m3 (16) -0.4 μg/m3 (0) 32.0
 
Jan. 21, 2019, 7 p.m. 5.3 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.08 ppb (1) 9.0 μg/m3 (8) 0.9 μg/m3 (4) 32.0
 
Jan. 21, 2019, 6 p.m. 10.5 ppb (10) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.15 ppb (2) 17.0 μg/m3 (15) 2.4 μg/m3 (10) 26.0
 
Jan. 21, 2019, 5 p.m. 10.5 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.12 ppb (1) 20.0 μg/m3 (18) 1.9 μg/m3 (8) 25.0
 
Jan. 21, 2019, 4 p.m. 10.9 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.14 ppb (2) 16.0 μg/m3 (15) 3.4 μg/m3 (14) 23.0
 
Jan. 21, 2019, 3 p.m. 26.1 ppb (24) 5.2 ppb (5) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.24 ppb (3) 33.0 μg/m3 (30) 3.6 μg/m3 (15) 30.0
 
Jan. 21, 2019, 2 p.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.09 ppb (1) 18.0 μg/m3 (16) 2.7 μg/m3 (11) 25.0
 
Jan. 21, 2019, 1 p.m. 5.0 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.07 ppb (1) 16.0 μg/m3 (15) 3.9 μg/m3 (16) 26.0
 
Jan. 21, 2019, noon 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.09 ppb (1) 12.0 μg/m3 (11) 2.9 μg/m3 (12) 26.0
 
Jan. 21, 2019, 11 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.05 ppb (1) 13.0 μg/m3 (12) 4.4 μg/m3 (18) 27.0
 
Jan. 21, 2019, 10 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.06 ppb (1) 12.0 μg/m3 (11) 4.7 μg/m3 (20) 21.0
 
Jan. 21, 2019, 9 a.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.05 ppb (1) 12.0 μg/m3 (11) 3.7 μg/m3 (15) 18.0
 
Jan. 21, 2019, 8 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.05 ppb (1) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Jan. 21, 2019, 7 a.m. 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.06 ppb (1) 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
Jan. 21, 2019, 6 a.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.08 ppb (1) 11.0 μg/m3 (10) 2.2 μg/m3 (9) 13.0
 
Jan. 21, 2019, 5 a.m. 12.7 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.13 ppb (1) 18.0 μg/m3 (16) 2.4 μg/m3 (10) 16.0
 
Jan. 21, 2019, 4 a.m. 12.2 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.14 ppb (2) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Jan. 21, 2019, 3 a.m. 9.5 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.16 ppb (2) 22.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
Jan. 21, 2019, 2 a.m. 11.0 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.18 ppb (2) 24.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
Jan. 21, 2019, 1 a.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.2 ppb (2) 25.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2019, midnight 14.8 ppb (14) 1.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) 0.23 ppb (3) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, 11 p.m. 12.4 ppb (11) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) 0.22 ppb (2) 26.0 μg/m3 (24) 8.5 μg/m3 (35) 35.0
 
Jan. 20, 2019, 10 p.m. 8.1 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.15 ppb (2) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 28.0
 
Jan. 20, 2019, 9 p.m. 7.7 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.12 ppb (1) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 27.0
 
Jan. 20, 2019, 8 p.m. 11.6 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.14 ppb (2) 20.0 μg/m3 (18) 5.3 μg/m3 (22) 23.0
 
Jan. 20, 2019, 7 p.m. 19.6 ppb (18) 7.4 ppb (7) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.21 ppb (2) 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2019, 6 p.m. 41.3 ppb (38) 22.4 ppb (21) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.33 ppb (4) 27.0 μg/m3 (25) 11.1 μg/m3 (46) 46.0
 
Jan. 20, 2019, 5 p.m. 50.7 ppb (47) 30.6 ppb (28) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.38 ppb (4) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2019, 4 p.m. 73.3 ppb (71) 55.0 ppb (51) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.62 ppb (7) 29.0 μg/m3 (26) 14.5 μg/m3 (55) 71.0
 
Jan. 20, 2019, 3 p.m. 67.7 ppb (65) 54.2 ppb (50) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.78 ppb (9) 35.0 μg/m3 (32) 15.0 μg/m3 (56) 65.0
 
Jan. 20, 2019, 2 p.m. 52.8 ppb (49) 41.6 ppb (39) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 0.71 ppb (8) 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2019, 1 p.m. 53.7 ppb (50) 41.0 ppb (38) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.71 ppb (8) 28.0 μg/m3 (25) 20.0 μg/m3 (67) 67.0
 
Jan. 20, 2019, noon 53.2 ppb (49) 42.0 ppb (39) N/A 11.0 ppb (10) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 45.0 μg/m3 (41) 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2019, 11 a.m. 49.0 ppb (45) 35.2 ppb (33) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 37.0 μg/m3 (34) 25.3 μg/m3 (78) 78.0
 
Jan. 20, 2019, 10 a.m. 51.3 ppb (48) 34.1 ppb (32) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.79 ppb (9) 47.0 μg/m3 (43) 31.9 μg/m3 (92) 92.0
 
Jan. 20, 2019, 9 a.m. 42.8 ppb (40) 25.7 ppb (24) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.7 ppb (8) 42.0 μg/m3 (38) 22.1 μg/m3 (71) 71.0
 
Jan. 20, 2019, 8 a.m. 34.5 ppb (32) 16.4 ppb (15) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.64 ppb (7) 44.0 μg/m3 (40) 19.8 μg/m3 (67) 67.0
 
Jan. 20, 2019, 7 a.m. 34.0 ppb (31) 10.7 ppb (10) N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) 0.66 ppb (7) 62.0 μg/m3 (54) 27.7 μg/m3 (83) 83.0
 
Jan. 20, 2019, 6 a.m. 35.1 ppb (32) 9.7 ppb (9) N/A 25.0 ppb (23) N/A N/A 4.0 ppb (3) 0.55 ppb (6) 44.0 μg/m3 (40) 21.9 μg/m3 (71) 71.0
 
Jan. 20, 2019, 5 a.m. 28.5 ppb (26) 6.5 ppb (6) N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.43 ppb (5) 47.0 μg/m3 (43) 6.6 μg/m3 (28) 43.0
 
Jan. 20, 2019, 4 a.m. 39.1 ppb (36) 13.2 ppb (12) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.61 ppb (7) 50.0 μg/m3 (45) 16.3 μg/m3 (59) 59.0
 
Jan. 20, 2019, 3 a.m. 26.7 ppb (25) 4.8 ppb (4) N/A 22.0 ppb (20) N/A N/A 10.0 ppb (8) 0.53 ppb (6) 60.0 μg/m3 (52) 24.3 μg/m3 (76) 76.0
 
Jan. 20, 2019, 2 a.m. 16.5 ppb (15) 3.6 ppb (3) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.23 ppb (3) 15.0 μg/m3 (14) -0.3 μg/m3 (0) 18.0
 
Jan. 20, 2019, 1 a.m. 11.7 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.14 ppb (2) 8.0 μg/m3 (7) -2.3 μg/m3 (0) 24.0
 
Jan. 20, 2019, midnight 7.5 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.11 ppb (1) 8.0 μg/m3 (7) 1.2 μg/m3 (5) 27.0
 
Jan. 19, 2019, 11 p.m. 11.0 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) 0.17 ppb (2) 11.0 μg/m3 (10) 3.4 μg/m3 (14) 28.0
 
Jan. 19, 2019, 10 p.m. 13.1 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.15 ppb (2) 15.0 μg/m3 (14) 2.1 μg/m3 (9) 28.0
 
Jan. 19, 2019, 9 p.m. 15.3 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) 0.17 ppb (2) 18.0 μg/m3 (16) 1.9 μg/m3 (8) 25.0
 
Jan. 19, 2019, 8 p.m. 16.1 ppb (15) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.17 ppb (2) 16.0 μg/m3 (15) -1.1 μg/m3 (0) 24.0
 
Jan. 19, 2019, 7 p.m. 11.8 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.13 ppb (1) 14.0 μg/m3 (13) 1.1 μg/m3 (5) 24.0
 
Jan. 19, 2019, 6 p.m. 34.4 ppb (32) 15.5 ppb (14) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.31 ppb (3) 43.0 μg/m3 (39) 11.4 μg/m3 (48) 48.0
 
Jan. 19, 2019, 5 p.m. 48.1 ppb (45) 27.0 ppb (25) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) 0.37 ppb (4) 31.0 μg/m3 (28) 14.8 μg/m3 (56) 56.0
 
Jan. 19, 2019, 4 p.m. 62.3 ppb (59) 43.1 ppb (40) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) 0.43 ppb (5) 27.0 μg/m3 (25) 8.7 μg/m3 (36) 59.0
 
Jan. 19, 2019, 3 p.m. 78.9 ppb (76) 60.6 ppb (57) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.65 ppb (7) 30.0 μg/m3 (27) 5.3 μg/m3 (22) 76.0
 
Jan. 19, 2019, 2 p.m. 67.9 ppb (65) 53.7 ppb (50) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.64 ppb (7) 30.0 μg/m3 (27) 8.0 μg/m3 (33) 65.0
 
Jan. 19, 2019, 1 p.m. 53.0 ppb (49) 38.5 ppb (36) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.75 ppb (8) 24.0 μg/m3 (22) 9.6 μg/m3 (40) 49.0
 
Jan. 19, 2019, noon 55.0 ppb (51) 41.8 ppb (39) N/A 13.0 ppb (12) N/A N/A 2.0 ppb (2) 0.59 ppb (7) 21.0 μg/m3 (19) 11.4 μg/m3 (48) 51.0
 
Jan. 19, 2019, 11 a.m. 52.3 ppb (48) 35.6 ppb (33) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.54 ppb (6) 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
Jan. 19, 2019, 10 a.m. 53.9 ppb (50) 39.4 ppb (36) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) 0.59 ppb (7) 27.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Jan. 19, 2019, 9 a.m. 54.0 ppb (50) 37.3 ppb (35) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.67 ppb (7) 36.0 μg/m3 (33) 13.3 μg/m3 (53) 53.0
 
Jan. 19, 2019, 8 a.m. 54.0 ppb (50) 36.8 ppb (34) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.72 ppb (8) 44.0 μg/m3 (40) 14.3 μg/m3 (55) 55.0
 
Jan. 19, 2019, 7 a.m. 55.1 ppb (51) 37.1 ppb (34) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.75 ppb (8) 47.0 μg/m3 (43) 21.2 μg/m3 (70) 70.0
 
Jan. 19, 2019, 6 a.m. 44.8 ppb (41) 24.0 ppb (22) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.57 ppb (6) 46.0 μg/m3 (42) 17.6 μg/m3 (62) 62.0
 
Jan. 19, 2019, 5 a.m. 48.5 ppb (45) 28.3 ppb (26) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.66 ppb (7) 56.0 μg/m3 (50) 19.8 μg/m3 (67) 67.0
 
Jan. 19, 2019, 4 a.m. 51.0 ppb (47) 30.5 ppb (28) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.77 ppb (9) 71.0 μg/m3 (58) 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 3 a.m. 48.0 ppb (44) 26.0 ppb (24) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.85 ppb (9) 90.0 μg/m3 (68) 23.4 μg/m3 (74) 74.0
 
Jan. 19, 2019, 2 a.m. 36.5 ppb (34) 12.4 ppb (11) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 0.72 ppb (8) 84.0 μg/m3 (64) 30.4 μg/m3 (89) 89.0
 
Jan. 19, 2019, 1 a.m. 26.3 ppb (24) 5.3 ppb (5) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) 0.37 ppb (4) 59.0 μg/m3 (52) 11.1 μg/m3 (46) 52.0
 
Jan. 19, 2019, midnight 12.2 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 32.0 μg/m3 (29) 9.2 μg/m3 (38) 38.0
 
Jan. 18, 2019, 11 p.m. 10.1 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.13 ppb (1) 32.0 μg/m3 (29) 10.1 μg/m3 (42) 42.0
 
Jan. 18, 2019, 10 p.m. 9.1 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.15 ppb (2) 27.0 μg/m3 (25) 10.4 μg/m3 (43) 43.0
 
Jan. 18, 2019, 9 p.m. 7.9 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 29.0 μg/m3 (26) 10.1 μg/m3 (42) 42.0
 
Jan. 18, 2019, 8 p.m. 9.8 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.12 ppb (1) 31.0 μg/m3 (28) 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2019, 7 p.m. 11.7 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A N/A 22.0
 
Jan. 18, 2019, 6 p.m. 13.9 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A N/A 19.0
 
Jan. 18, 2019, 5 p.m. 14.1 ppb (13) 4.3 ppb (4) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.14 ppb (2) 23.0 μg/m3 (21) 11.3 μg/m3 (47) 47.0
 
Jan. 18, 2019, 4 p.m. 32.6 ppb (30) 15.5 ppb (14) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) 0.33 ppb (4) 32.0 μg/m3 (29) 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2019, 3 p.m. 39.4 ppb (36) 19.4 ppb (18) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.43 ppb (5) 25.0 μg/m3 (23) 9.9 μg/m3 (41) 41.0
 
Jan. 18, 2019, 2 p.m. 26.3 ppb (24) 9.3 ppb (9) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.35 ppb (4) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
Jan. 18, 2019, 1 p.m. 21.4 ppb (20) 3.4 ppb (3) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.29 ppb (3) 19.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2019, noon 16.0 ppb (15) 1.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 7.0 ppb (5) 0.23 ppb (3) 18.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2019, 11 a.m. 7.9 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.13 ppb (1) 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2019, 10 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.1 ppb (1) 19.0 μg/m3 (17) 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2019, 9 a.m. 8.9 ppb (8) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.12 ppb (1) 21.0 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
Jan. 18, 2019, 8 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 21.0 μg/m3 (19) 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2019, 7 a.m. 8.8 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.14 ppb (2) 22.0 μg/m3 (20) 8.1 μg/m3 (34) 34.0
 
Jan. 18, 2019, 6 a.m. 12.3 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.18 ppb (2) 17.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2019, 5 a.m. 7.8 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.12 ppb (1) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Jan. 18, 2019, 4 a.m. 8.1 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.11 ppb (1) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2019, 3 a.m. 9.7 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.16 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 23.0
 
Jan. 18, 2019, 2 a.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.16 ppb (2) 6.0 μg/m3 (5) 4.9 μg/m3 (20) 20.0
 
Jan. 18, 2019, 1 a.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.1 ppb (1) 5.0 μg/m3 (5) 3.4 μg/m3 (14) 18.0
 
Jan. 18, 2019, midnight 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.09 ppb (1) 8.0 μg/m3 (7) 3.2 μg/m3 (13) 19.0
 
Jan. 17, 2019, 11 p.m. 6.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.08 ppb (1) 2.0 μg/m3 (2) 0.8 μg/m3 (3) 19.0
 
Jan. 17, 2019, 10 p.m. 6.0 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.12 ppb (1) 2.0 μg/m3 (2) 2.6 μg/m3 (11) 19.0
 
Jan. 17, 2019, 9 p.m. 8.0 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.12 ppb (1) 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
Jan. 17, 2019, 8 p.m. 10.1 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.14 ppb (2) 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
Jan. 17, 2019, 7 p.m. 12.0 ppb (11) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.15 ppb (2) 4.0 μg/m3 (4) 2.6 μg/m3 (11) 15.0
 
Jan. 17, 2019, 6 p.m. 10.7 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.17 ppb (2) 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
Jan. 17, 2019, 5 p.m. 16.2 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 7.0 μg/m3 (6) 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, 4 p.m. 22.3 ppb (21) 4.6 ppb (4) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.23 ppb (3) 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
Jan. 17, 2019, 3 p.m. 29.1 ppb (27) 9.1 ppb (8) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.35 ppb (4) 11.0 μg/m3 (10) 6.3 μg/m3 (26) 27.0
 
Jan. 17, 2019, 2 p.m. 16.4 ppb (15) 2.6 ppb (2) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.21 ppb (2) 10.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
Jan. 17, 2019, 1 p.m. 18.2 ppb (17) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A 4.0 ppb (3) 0.35 ppb (4) 5.0 μg/m3 (5) 3.7 μg/m3 (15) 17.0
 
Jan. 17, 2019, noon 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.16 ppb (2) 8.0 μg/m3 (7) 3.9 μg/m3 (16) 16.0