AQSQID: 060658005

Site Name: Mira Loma - Van Buren

Location: Riverside Co, CA

Reporting: True, Located: True

Current AQI: 56.0

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
June 13, 2019, 9 a.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.12 ppb (1) 36.0 μg/m3 (33) 16.5 μg/m3 (60) 60.0
 
June 13, 2019, 8 a.m. 6.9 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.12 ppb (1) 29.0 μg/m3 (26) 11.6 μg/m3 (48) 48.0
 
June 13, 2019, 7 a.m. 8.5 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.13 ppb (1) 27.0 μg/m3 (25) 16.5 μg/m3 (60) 60.0
 
June 13, 2019, 6 a.m. 11.1 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.16 ppb (2) 37.0 μg/m3 (34) 12.6 μg/m3 (51) 51.0
 
June 13, 2019, 5 a.m. 11.5 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.16 ppb (2) 40.0 μg/m3 (36) 12.6 μg/m3 (51) 51.0
 
June 13, 2019, 4 a.m. 11.7 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) 0.16 ppb (2) 72.0 μg/m3 (58) 11.4 μg/m3 (48) 58.0
 
June 13, 2019, 3 a.m. 9.4 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 53.0 ppb (41) 0.15 ppb (2) 75.0 μg/m3 (60) 17.0 μg/m3 (61) 61.0
 
June 13, 2019, 2 a.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 69.0 ppb (53) 0.16 ppb (2) 93.0 μg/m3 (69) 20.0 μg/m3 (67) 69.0
 
June 13, 2019, 1 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 77.0 ppb (60) 0.17 ppb (2) 52.0 μg/m3 (47) 13.6 μg/m3 (53) 60.0
 
June 13, 2019, midnight 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 82.0 ppb (64) 0.15 ppb (2) 54.0 μg/m3 (49) 12.1 μg/m3 (50) 64.0
 
June 12, 2019, 11 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 89.0 ppb (70) 0.16 ppb (2) 69.0 μg/m3 (57) 18.3 μg/m3 (63) 70.0
 
June 12, 2019, 10 p.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 90.0 ppb (71) 0.14 ppb (2) 74.0 μg/m3 (60) 19.5 μg/m3 (66) 71.0
 
June 12, 2019, 9 p.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 91.0 ppb (72) 0.17 ppb (2) 85.0 μg/m3 (65) 16.7 μg/m3 (60) 72.0
 
June 12, 2019, 8 p.m. 9.3 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 94.0 ppb (74) 0.24 ppb (3) 78.0 μg/m3 (62) 22.2 μg/m3 (72) 74.0
 
June 12, 2019, 7 p.m. 9.9 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 90.0 ppb (71) 0.22 ppb (2) 79.0 μg/m3 (62) 16.5 μg/m3 (60) 71.0
 
June 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (71) 23.6 μg/m3 (75) 75.0
 
June 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (65) 23.1 μg/m3 (74) 74.0
 
June 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (56) 23.3 μg/m3 (74) 74.0
 
June 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 66.0 μg/m3 (56) 16.7 μg/m3 (60) 60.0
 
June 12, 2019, 2 p.m. 25.4 ppb (24) 8.7 ppb (8) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.27 ppb (3) 90.0 μg/m3 (68) 16.3 μg/m3 (59) 68.0
 
June 12, 2019, 1 p.m. 34.3 ppb (32) 13.6 ppb (13) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.39 ppb (4) 91.0 μg/m3 (68) 17.5 μg/m3 (62) 68.0
 
June 12, 2019, noon 27.1 ppb (25) 7.4 ppb (7) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.35 ppb (4) 57.0 μg/m3 (51) 16.7 μg/m3 (60) 60.0
 
June 12, 2019, 11 a.m. 14.7 ppb (14) 2.5 ppb (2) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.19 ppb (2) 30.0 μg/m3 (27) 12.3 μg/m3 (51) 51.0
 
June 12, 2019, 10 a.m. 12.3 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.15 ppb (2) 34.0 μg/m3 (31) 12.4 μg/m3 (51) 51.0
 
June 12, 2019, 9 a.m. 11.1 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.14 ppb (2) 37.0 μg/m3 (34) 11.9 μg/m3 (50) 50.0
 
June 12, 2019, 8 a.m. 10.4 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.13 ppb (1) 41.0 μg/m3 (37) 13.1 μg/m3 (52) 52.0
 
June 12, 2019, 7 a.m. 10.2 ppb (9) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) 0.14 ppb (2) 45.0 μg/m3 (41) 13.1 μg/m3 (52) 52.0
 
June 12, 2019, 6 a.m. 10.3 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.14 ppb (2) 46.0 μg/m3 (42) 19.0 μg/m3 (65) 65.0
 
June 12, 2019, 5 a.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 49.0 ppb (38) 0.15 ppb (2) 55.0 μg/m3 (50) 10.4 μg/m3 (43) 50.0
 
June 12, 2019, 4 a.m. 10.0 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 54.0 ppb (42) 0.16 ppb (2) 43.0 μg/m3 (39) 11.6 μg/m3 (48) 48.0
 
June 12, 2019, 3 a.m. 10.0 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 58.0 ppb (45) 0.17 ppb (2) 54.0 μg/m3 (49) 11.6 μg/m3 (48) 49.0
 
June 12, 2019, 2 a.m. 11.1 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 66.0 ppb (51) 0.21 ppb (2) 72.0 μg/m3 (58) 13.3 μg/m3 (53) 58.0
 
June 12, 2019, 1 a.m. 9.4 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 86.0 ppb (68) 0.2 ppb (2) 69.0 μg/m3 (57) 15.0 μg/m3 (56) 68.0
 
June 12, 2019, midnight 8.3 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 105.0 ppb (83) 0.21 ppb (2) 69.0 μg/m3 (57) 14.8 μg/m3 (56) 83.0
 
June 11, 2019, 11 p.m. 8.2 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 109.0 ppb (87) 0.25 ppb (3) 88.0 μg/m3 (66) 21.4 μg/m3 (70) 87.0
 
June 11, 2019, 10 p.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 23.3 μg/m3 (74) 74.0
 
June 11, 2019, 9 p.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) 0.08 ppb (1) N/A 9.0 μg/m3 (38) 53.0
 
June 11, 2019, 8 p.m. 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 68.0 ppb (52) 0.09 ppb (1) N/A 9.6 μg/m3 (40) 52.0
 
June 11, 2019, 7 p.m. 11.1 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 75.0 ppb (58) 0.14 ppb (2) N/A 16.2 μg/m3 (59) 59.0
 
June 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 11.5 μg/m3 (48) 50.0
 
June 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
June 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (58) 16.2 μg/m3 (59) 59.0
 
June 11, 2019, 3 p.m. 32.6 ppb (30) 9.3 ppb (9) N/A 23.0 ppb (21) N/A N/A 25.0 ppb (19) 0.38 ppb (4) 57.0 μg/m3 (51) 17.2 μg/m3 (61) 61.0
 
June 11, 2019, 2 p.m. 36.3 ppb (34) 14.1 ppb (13) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.39 ppb (4) 58.0 μg/m3 (52) 22.1 μg/m3 (71) 71.0
 
June 11, 2019, 1 p.m. 28.7 ppb (27) 9.5 ppb (9) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (5) 0.34 ppb (4) 59.0 μg/m3 (52) 17.0 μg/m3 (61) 61.0
 
June 11, 2019, noon 26.7 ppb (25) 8.3 ppb (8) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.32 ppb (4) 50.0 μg/m3 (45) 17.5 μg/m3 (62) 62.0
 
June 11, 2019, 11 a.m. 17.6 ppb (16) 2.5 ppb (2) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.23 ppb (3) 38.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
June 11, 2019, 10 a.m. 20.1 ppb (19) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.26 ppb (3) 39.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
June 11, 2019, 9 a.m. 24.5 ppb (23) 2.6 ppb (2) N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.34 ppb (4) 51.0 μg/m3 (46) 17.3 μg/m3 (61) 61.0
 
June 11, 2019, 8 a.m. 29.1 ppb (27) 4.7 ppb (4) N/A 24.0 ppb (22) N/A N/A 7.0 ppb (5) 0.43 ppb (5) 69.0 μg/m3 (57) 19.7 μg/m3 (66) 66.0
 
June 11, 2019, 7 a.m. 30.7 ppb (28) 4.8 ppb (4) N/A 26.0 ppb (24) N/A N/A 10.0 ppb (8) 0.55 ppb (6) 78.0 μg/m3 (62) 20.5 μg/m3 (68) 68.0
 
June 11, 2019, 6 a.m. 33.8 ppb (31) 4.1 ppb (4) N/A 30.0 ppb (28) N/A N/A 10.0 ppb (8) 0.66 ppb (7) 86.0 μg/m3 (66) 19.0 μg/m3 (65) 66.0
 
June 11, 2019, 5 a.m. 29.8 ppb (28) 2.2 ppb (2) N/A 28.0 ppb (26) N/A N/A 21.0 ppb (16) 0.51 ppb (6) 87.0 μg/m3 (66) 22.1 μg/m3 (71) 71.0
 
June 11, 2019, 4 a.m. 25.1 ppb (23) 1.5 ppb (1) N/A 24.0 ppb (22) N/A N/A 37.0 ppb (28) 0.49 ppb (5) 76.0 μg/m3 (60) 23.1 μg/m3 (74) 74.0
 
June 11, 2019, 3 a.m. 18.5 ppb (17) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 51.0 ppb (39) 0.3 ppb (3) 114.0 μg/m3 (80) 14.5 μg/m3 (55) 80.0
 
June 11, 2019, 2 a.m. 9.6 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 69.0 ppb (53) 0.2 ppb (2) 79.0 μg/m3 (62) 10.6 μg/m3 (44) 62.0
 
June 11, 2019, 1 a.m. 7.0 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 73.0 ppb (57) 0.15 ppb (2) 52.0 μg/m3 (47) 5.6 μg/m3 (23) 57.0
 
June 11, 2019, midnight 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 65.0 ppb (50) 0.11 ppb (1) 34.0 μg/m3 (31) 1.9 μg/m3 (8) 50.0
 
June 10, 2019, 11 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) 0.1 ppb (1) 33.0 μg/m3 (30) 2.6 μg/m3 (11) 48.0
 
June 10, 2019, 10 p.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) 0.08 ppb (1) 44.0 μg/m3 (40) 6.3 μg/m3 (26) 48.0
 
June 10, 2019, 9 p.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 76.0 ppb (59) 0.12 ppb (1) 56.0 μg/m3 (50) 7.0 μg/m3 (29) 59.0
 
June 10, 2019, 8 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (54) 0.08 ppb (1) 31.0 μg/m3 (28) 6.5 μg/m3 (27) 54.0
 
June 10, 2019, 7 p.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) 0.09 ppb (1) 30.0 μg/m3 (27) 8.5 μg/m3 (35) 53.0
 
June 10, 2019, 6 p.m. 12.6 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 71.0 ppb (55) 0.21 ppb (2) 63.0 μg/m3 (54) 12.1 μg/m3 (50) 55.0
 
June 10, 2019, 5 p.m. 18.6 ppb (17) 3.0 ppb (3) N/A 16.0 ppb (15) N/A N/A 57.0 ppb (44) 0.27 ppb (3) 62.0 μg/m3 (54) 13.1 μg/m3 (52) 54.0
 
June 10, 2019, 4 p.m. 28.4 ppb (26) 6.8 ppb (6) N/A 22.0 ppb (20) N/A N/A 37.0 ppb (28) 0.33 ppb (4) 64.0 μg/m3 (54) 11.8 μg/m3 (49) 54.0
 
June 10, 2019, 3 p.m. 39.0 ppb (36) 13.4 ppb (12) N/A 26.0 ppb (24) N/A N/A 22.0 ppb (17) 0.41 ppb (5) 86.0 μg/m3 (66) 19.0 μg/m3 (65) 66.0
 
June 10, 2019, 2 p.m. 41.9 ppb (39) 15.5 ppb (14) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.49 ppb (5) 67.0 μg/m3 (56) 23.1 μg/m3 (74) 74.0
 
June 10, 2019, 1 p.m. 46.9 ppb (43) 23.4 ppb (22) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.51 ppb (6) 103.0 μg/m3 (74) 23.8 μg/m3 (75) 75.0
 
June 10, 2019, noon 35.6 ppb (33) 14.1 ppb (13) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.48 ppb (5) 49.0 μg/m3 (45) 19.5 μg/m3 (66) 66.0
 
June 10, 2019, 11 a.m. 15.5 ppb (14) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.27 ppb (3) 44.0 μg/m3 (40) 16.8 μg/m3 (60) 60.0
 
June 10, 2019, 10 a.m. 13.3 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.24 ppb (3) 43.0 μg/m3 (39) 18.5 μg/m3 (64) 64.0
 
June 10, 2019, 9 a.m. 10.8 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.22 ppb (2) 44.0 μg/m3 (40) 14.6 μg/m3 (56) 56.0
 
June 10, 2019, 8 a.m. 11.1 ppb (10) 2.4 ppb (2) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.2 ppb (2) 46.0 μg/m3 (42) 15.8 μg/m3 (58) 58.0
 
June 10, 2019, 7 a.m. 11.7 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) 0.24 ppb (3) 35.0 μg/m3 (32) 15.6 μg/m3 (58) 58.0
 
June 10, 2019, 6 a.m. 11.6 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) 0.23 ppb (3) 44.0 μg/m3 (40) 17.8 μg/m3 (62) 62.0
 
June 10, 2019, 5 a.m. 12.4 ppb (11) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 43.0 ppb (33) 0.25 ppb (3) 50.0 μg/m3 (45) 17.5 μg/m3 (62) 62.0
 
June 10, 2019, 4 a.m. 12.1 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 46.0 ppb (35) 0.24 ppb (3) 55.0 μg/m3 (50) 16.8 μg/m3 (60) 60.0
 
June 10, 2019, 3 a.m. 11.0 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 62.0 ppb (48) 0.27 ppb (3) 73.0 μg/m3 (59) 21.2 μg/m3 (70) 70.0
 
June 10, 2019, 2 a.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 83.0 ppb (65) 0.25 ppb (3) 75.0 μg/m3 (60) 17.0 μg/m3 (61) 65.0
 
June 10, 2019, 1 a.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 79.0 ppb (62) 0.16 ppb (2) 60.0 μg/m3 (52) 13.5 μg/m3 (53) 62.0
 
June 10, 2019, midnight 6.0 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 88.0 ppb (69) 0.18 ppb (2) 60.0 μg/m3 (52) 13.3 μg/m3 (53) 69.0
 
June 9, 2019, 11 p.m. 5.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 88.0 ppb (69) 0.21 ppb (2) 65.0 μg/m3 (55) 17.8 μg/m3 (62) 69.0
 
June 9, 2019, 10 p.m. 5.7 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 85.0 ppb (67) 0.2 ppb (2) 66.0 μg/m3 (56) 8.3 μg/m3 (35) 67.0
 
June 9, 2019, 9 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 70.0 ppb (54) 0.11 ppb (1) 33.0 μg/m3 (30) 7.8 μg/m3 (32) 54.0
 
June 9, 2019, 8 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (56) 0.14 ppb (2) 32.0 μg/m3 (29) 10.1 μg/m3 (42) 56.0
 
June 9, 2019, 7 p.m. 9.8 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 74.0 ppb (57) 0.23 ppb (3) 52.0 μg/m3 (47) 10.4 μg/m3 (43) 57.0
 
June 9, 2019, 6 p.m. 11.6 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 57.0 ppb (44) 0.27 ppb (3) 69.0 μg/m3 (57) 18.5 μg/m3 (64) 64.0
 
June 9, 2019, 5 p.m. 10.2 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.25 ppb (3) 71.0 μg/m3 (58) 17.5 μg/m3 (62) 62.0
 
June 9, 2019, 4 p.m. 11.4 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.25 ppb (3) 48.0 μg/m3 (44) 19.0 μg/m3 (65) 65.0
 
June 9, 2019, 3 p.m. 10.6 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.24 ppb (3) 33.0 μg/m3 (30) 20.2 μg/m3 (67) 67.0
 
June 9, 2019, 2 p.m. 8.6 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.2 ppb (2) 36.0 μg/m3 (33) 12.3 μg/m3 (51) 51.0
 
June 9, 2019, 1 p.m. 10.0 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.21 ppb (2) 40.0 μg/m3 (36) 7.1 μg/m3 (30) 36.0
 
June 9, 2019, noon 9.3 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.21 ppb (2) 34.0 μg/m3 (31) 6.6 μg/m3 (28) 31.0
 
June 9, 2019, 11 a.m. 8.6 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.21 ppb (2) 30.0 μg/m3 (27) 11.2 μg/m3 (47) 47.0
 
June 9, 2019, 10 a.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.2 ppb (2) 34.0 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
June 9, 2019, 9 a.m. 9.3 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.19 ppb (2) 31.0 μg/m3 (28) 13.1 μg/m3 (52) 52.0
 
June 9, 2019, 8 a.m. 13.8 ppb (13) 3.4 ppb (3) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.23 ppb (3) 42.0 μg/m3 (38) 13.8 μg/m3 (54) 54.0
 
June 9, 2019, 7 a.m. 12.5 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.21 ppb (2) 35.0 μg/m3 (32) 9.9 μg/m3 (41) 41.0
 
June 9, 2019, 6 a.m. 10.3 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.19 ppb (2) 35.0 μg/m3 (32) 7.8 μg/m3 (32) 32.0
 
June 9, 2019, 5 a.m. 9.4 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.17 ppb (2) 43.0 μg/m3 (39) 9.9 μg/m3 (41) 41.0
 
June 9, 2019, 4 a.m. 7.5 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.15 ppb (2) 28.0 μg/m3 (25) 11.1 μg/m3 (46) 46.0
 
June 9, 2019, 3 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (34) 0.18 ppb (2) 40.0 μg/m3 (36) 9.7 μg/m3 (40) 40.0
 
June 9, 2019, 2 a.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) 0.15 ppb (2) 65.0 μg/m3 (55) 9.7 μg/m3 (40) 55.0
 
June 9, 2019, 1 a.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.2 ppb (2) 49.0 μg/m3 (45) 10.4 μg/m3 (43) 45.0
 
June 9, 2019, midnight 5.0 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.17 ppb (2) 58.0 μg/m3 (52) 8.8 μg/m3 (37) 52.0
 
June 8, 2019, 11 p.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 74.0 ppb (57) 0.18 ppb (2) 49.0 μg/m3 (45) 11.6 μg/m3 (48) 57.0
 
June 8, 2019, 10 p.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 74.0 ppb (57) 0.19 ppb (2) 52.0 μg/m3 (47) 13.1 μg/m3 (52) 57.0
 
June 8, 2019, 9 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 76.0 ppb (59) 0.18 ppb (2) 55.0 μg/m3 (50) 10.8 μg/m3 (45) 59.0
 
June 8, 2019, 8 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 78.0 ppb (61) 0.22 ppb (2) 47.0 μg/m3 (43) 16.7 μg/m3 (60) 61.0
 
June 8, 2019, 7 p.m. 9.4 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 66.0 ppb (51) 0.23 ppb (3) 63.0 μg/m3 (54) 20.2 μg/m3 (67) 67.0
 
June 8, 2019, 6 p.m. 7.7 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) 0.2 ppb (2) 50.0 μg/m3 (45) 19.7 μg/m3 (66) 66.0
 
June 8, 2019, 5 p.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.2 ppb (2) 43.0 μg/m3 (39) 17.5 μg/m3 (62) 62.0
 
June 8, 2019, 4 p.m. 7.8 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.19 ppb (2) 43.0 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
June 8, 2019, 3 p.m. 7.7 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.2 ppb (2) 34.0 μg/m3 (31) 16.3 μg/m3 (59) 59.0
 
June 8, 2019, 2 p.m. 7.3 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.19 ppb (2) 37.0 μg/m3 (34) 24.5 μg/m3 (77) 77.0
 
June 8, 2019, 1 p.m. 6.8 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) 41.0 μg/m3 (37) 22.1 μg/m3 (71) 71.0
 
June 8, 2019, noon 7.9 ppb (7) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.2 ppb (2) 33.0 μg/m3 (30) 20.0 μg/m3 (67) 67.0
 
June 8, 2019, 11 a.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.17 ppb (2) 32.0 μg/m3 (29) 17.5 μg/m3 (62) 62.0
 
June 8, 2019, 10 a.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.15 ppb (2) 27.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
June 8, 2019, 9 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.15 ppb (2) 28.0 μg/m3 (25) 20.5 μg/m3 (68) 68.0
 
June 8, 2019, 8 a.m. 6.3 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.15 ppb (2) 26.0 μg/m3 (24) 14.1 μg/m3 (54) 54.0
 
June 8, 2019, 7 a.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.15 ppb (2) 28.0 μg/m3 (25) 13.3 μg/m3 (53) 53.0
 
June 8, 2019, 6 a.m. 6.9 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.14 ppb (2) 24.0 μg/m3 (22) 16.8 μg/m3 (60) 60.0
 
June 8, 2019, 5 a.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.13 ppb (1) 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
June 8, 2019, 4 a.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.14 ppb (2) 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
June 8, 2019, 3 a.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 42.0 ppb (32) 0.15 ppb (2) 31.0 μg/m3 (28) 9.7 μg/m3 (40) 40.0
 
June 8, 2019, 2 a.m. 6.9 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.15 ppb (2) 34.0 μg/m3 (31) 9.9 μg/m3 (41) 41.0
 
June 8, 2019, 1 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (45) 0.14 ppb (2) 38.0 μg/m3 (35) 9.9 μg/m3 (41) 45.0
 
June 8, 2019, midnight 5.7 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.19 ppb (2) 41.0 μg/m3 (37) 10.1 μg/m3 (42) 48.0
 
June 7, 2019, 11 p.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 64.0 ppb (49) 0.15 ppb (2) 43.0 μg/m3 (39) 12.1 μg/m3 (50) 50.0
 
June 7, 2019, 10 p.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.16 ppb (2) 53.0 μg/m3 (48) 12.8 μg/m3 (52) 52.0
 
June 7, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (50) 13.3 μg/m3 (53) 53.0
 
June 7, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 13.3 μg/m3 (53) 53.0
 
June 7, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (43) 22.8 μg/m3 (73) 73.0
 
June 7, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (39) 16.5 μg/m3 (60) 60.0
 
June 7, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (66) 24.1 μg/m3 (76) 76.0
 
June 7, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (36) 20.2 μg/m3 (67) 67.0
 
June 7, 2019, 3 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.19 ppb (2) 38.0 μg/m3 (35) 21.2 μg/m3 (70) 70.0
 
June 7, 2019, 2 p.m. 9.2 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 41.0 μg/m3 (37) 20.7 μg/m3 (69) 69.0
 
June 7, 2019, 1 p.m. 8.2 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 35.0 μg/m3 (32) 18.5 μg/m3 (64) 64.0
 
June 7, 2019, noon 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.15 ppb (2) 32.0 μg/m3 (29) 19.0 μg/m3 (65) 65.0
 
June 7, 2019, 11 a.m. 5.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.13 ppb (1) 32.0 μg/m3 (29) 17.3 μg/m3 (61) 61.0
 
June 7, 2019, 10 a.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.13 ppb (1) 25.0 μg/m3 (23) 13.9 μg/m3 (54) 54.0
 
June 7, 2019, 9 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.13 ppb (1) 28.0 μg/m3 (25) 18.8 μg/m3 (64) 64.0
 
June 7, 2019, 8 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.11 ppb (1) 22.0 μg/m3 (20) 16.8 μg/m3 (60) 60.0
 
June 7, 2019, 7 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.1 ppb (1) 20.0 μg/m3 (18) 9.7 μg/m3 (40) 40.0
 
June 7, 2019, 6 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.11 ppb (1) 20.0 μg/m3 (18) 12.1 μg/m3 (50) 50.0
 
June 7, 2019, 5 a.m. 5.5 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.11 ppb (1) 16.0 μg/m3 (15) 9.9 μg/m3 (41) 41.0
 
June 7, 2019, 4 a.m. 5.5 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.12 ppb (1) 22.0 μg/m3 (20) 5.6 μg/m3 (23) 26.0
 
June 7, 2019, 3 a.m. 5.7 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.11 ppb (1) 30.0 μg/m3 (27) 6.8 μg/m3 (28) 28.0
 
June 7, 2019, 2 a.m. 6.9 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.15 ppb (2) 37.0 μg/m3 (34) 9.9 μg/m3 (41) 41.0
 
June 7, 2019, 1 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.13 ppb (1) 55.0 μg/m3 (50) 8.8 μg/m3 (37) 50.0
 
June 7, 2019, midnight 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 61.0 ppb (47) 0.15 ppb (2) 64.0 μg/m3 (54) 10.6 μg/m3 (44) 54.0
 
June 6, 2019, 11 p.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 73.0 ppb (57) 0.18 ppb (2) 58.0 μg/m3 (52) 14.3 μg/m3 (55) 57.0
 
June 6, 2019, 10 p.m. 6.7 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 78.0 ppb (61) 0.19 ppb (2) 61.0 μg/m3 (53) 18.5 μg/m3 (64) 64.0
 
June 6, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (52) 13.0 μg/m3 (52) 52.0
 
June 6, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (54) 10.1 μg/m3 (42) 54.0
 
June 6, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (57) 24.0 μg/m3 (76) 76.0
 
June 6, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.0 μg/m3 (54) 21.7 μg/m3 (71) 71.0
 
June 6, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (52) 23.3 μg/m3 (74) 74.0
 
June 6, 2019, 4 p.m. 14.3 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.23 ppb (3) 52.0 μg/m3 (47) 22.6 μg/m3 (73) 73.0
 
June 6, 2019, 3 p.m. 14.1 ppb (13) 3.5 ppb (3) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.22 ppb (2) 45.0 μg/m3 (41) 25.0 μg/m3 (78) 78.0
 
June 6, 2019, 2 p.m. 11.0 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.2 ppb (2) 44.0 μg/m3 (40) 26.7 μg/m3 (81) 81.0
 
June 6, 2019, 1 p.m. 9.6 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.18 ppb (2) 33.0 μg/m3 (30) 24.5 μg/m3 (77) 77.0
 
June 6, 2019, noon 5.9 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.16 ppb (2) 25.0 μg/m3 (23) 16.3 μg/m3 (59) 59.0
 
June 6, 2019, 11 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.17 ppb (2) 30.0 μg/m3 (27) 17.5 μg/m3 (62) 62.0
 
June 6, 2019, 10 a.m. 6.6 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.15 ppb (2) 38.0 μg/m3 (35) 15.3 μg/m3 (57) 57.0