AQSQID: 000100202

Site Name: Prg Plaza 400

Location: Prince George, CC

Reporting: True, Located: True

Current AQI: 19.0

Prince George CC, CA: 53.9147, -122.7419

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 3 p.m. N/A 1.5 ppb (1) N/A 12.0 ppb (11) N/A 5.0 ppb (7) 22.0 ppb (17) N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 19, 2019, 2 p.m. N/A 3.3 ppb (3) N/A 14.0 ppb (13) N/A 5.0 ppb (7) 15.0 ppb (12) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 19, 2019, 1 p.m. N/A 15.7 ppb (15) N/A 24.0 ppb (22) N/A 9.0 ppb (13) 6.0 ppb (5) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 19, 2019, noon N/A 39.2 ppb (36) N/A 29.0 ppb (27) N/A 7.0 ppb (10) 1.0 ppb (1) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2019, 11 a.m. N/A 12.4 ppb (11) N/A 23.0 ppb (21) N/A 7.0 ppb (10) 2.0 ppb (2) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 19, 2019, 10 a.m. N/A 16.6 ppb (15) N/A 24.0 ppb (22) N/A 7.0 ppb (10) 3.0 ppb (2) N/A N/A 20.6 μg/m3 (68) 68.0
 
Jan. 19, 2019, 9 a.m. N/A 3.1 ppb (3) N/A 15.0 ppb (14) N/A 4.0 ppb (6) 6.0 ppb (5) N/A N/A 17.9 μg/m3 (63) 63.0
 
Jan. 19, 2019, 8 a.m. N/A 27.2 ppb (25) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 15.9 μg/m3 (58) 58.0
 
Jan. 19, 2019, 7 a.m. N/A 19.3 ppb (18) N/A 20.0 ppb (19) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 19, 2019, 6 a.m. N/A 35.1 ppb (32) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 12.6 μg/m3 (51) 51.0
 
Jan. 19, 2019, 5 a.m. N/A 34.2 ppb (32) N/A 23.0 ppb (21) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 19, 2019, 4 a.m. N/A 23.8 ppb (22) N/A 23.0 ppb (21) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 14.3 μg/m3 (55) 55.0
 
Jan. 19, 2019, 3 a.m. N/A 10.7 ppb (10) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 19, 2019, 2 a.m. N/A 4.8 ppb (4) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 19, 2019, midnight N/A 6.5 ppb (6) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 8.0 ppb (6) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 18, 2019, 11 p.m. N/A 4.1 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 18, 2019, 10 p.m. N/A 4.9 ppb (5) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 18, 2019, 9 p.m. N/A 8.3 ppb (8) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 8 p.m. N/A 5.4 ppb (5) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 7 p.m. N/A 8.3 ppb (8) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 18, 2019, 6 p.m. N/A 8.3 ppb (8) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2019, 5 p.m. N/A 5.8 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 18, 2019, 4 p.m. N/A 6.0 ppb (6) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2019, 3 p.m. N/A 7.5 ppb (7) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 18, 2019, 2 p.m. N/A 1.8 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 18, 2019, 1 p.m. N/A 1.5 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 8.4 μg/m3 (35) 35.0
 
Jan. 18, 2019, noon N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 11 a.m. N/A 0.6 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2019, 10 a.m. N/A 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 18, 2019, 9 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2019, 8 a.m. N/A 1.3 ppb (1) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 18, 2019, 7 a.m. N/A 2.3 ppb (2) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 18, 2019, 6 a.m. N/A 2.8 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 6.3 μg/m3 (26) 26.0
 
Jan. 18, 2019, 5 a.m. N/A 2.2 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 18, 2019, 4 a.m. N/A 1.5 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2019, 3 a.m. N/A 1.3 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2019, 2 a.m. N/A 1.6 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2019, 1 a.m. N/A 1.7 ppb (2) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 17, 2019, 11 p.m. N/A 3.1 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, 10 p.m. N/A 2.7 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, 9 p.m. N/A 3.4 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 8 p.m. N/A 3.7 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 7 p.m. N/A 4.7 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 17, 2019, 6 p.m. N/A 4.9 ppb (5) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 4.1 μg/m3 (17) 17.0
 
Jan. 17, 2019, 5 p.m. N/A 4.9 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 4 p.m. N/A 3.2 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 3.9 μg/m3 (16) 16.0
 
Jan. 17, 2019, 3 p.m. N/A 2.7 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 2 p.m. N/A 2.2 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 1 p.m. N/A 2.0 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, noon N/A 2.2 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 17, 2019, 11 a.m. N/A 2.3 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, 10 a.m. N/A 2.3 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2019, 9 a.m. N/A 3.5 ppb (3) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 8 a.m. N/A 5.2 ppb (5) N/A 13.0 ppb (12) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2019, 7 a.m. N/A 17.2 ppb (16) N/A 23.0 ppb (21) N/A 4.0 ppb (6) 5.0 ppb (4) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 17, 2019, 6 a.m. N/A 19.4 ppb (18) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 17, 2019, 5 a.m. N/A 40.1 ppb (37) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 17, 2019, 4 a.m. N/A 28.0 ppb (26) N/A 23.0 ppb (21) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 13.1 μg/m3 (52) 52.0
 
Jan. 17, 2019, 3 a.m. N/A 29.0 ppb (27) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 12.3 μg/m3 (51) 51.0
 
Jan. 17, 2019, 2 a.m. N/A 22.9 ppb (21) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 1 a.m. N/A 15.9 ppb (15) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, midnight N/A 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 10 p.m. N/A 5.5 ppb (5) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2019, 9 p.m. N/A 10.6 ppb (10) N/A 12.0 ppb (11) N/A 4.0 ppb (6) 10.0 ppb (8) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 16, 2019, 8 p.m. N/A 8.3 ppb (8) N/A 10.0 ppb (9) N/A 4.0 ppb (6) 10.0 ppb (8) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 16, 2019, 7 p.m. N/A 7.4 ppb (7) N/A 11.0 ppb (10) N/A 4.0 ppb (6) 11.0 ppb (8) N/A N/A 14.5 μg/m3 (55) 55.0
 
Jan. 16, 2019, 6 p.m. N/A 5.4 ppb (5) N/A 10.0 ppb (9) N/A 4.0 ppb (6) 10.0 ppb (8) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 16, 2019, 5 p.m. N/A 5.1 ppb (5) N/A 11.0 ppb (10) N/A 4.0 ppb (6) 9.0 ppb (7) N/A N/A 17.8 μg/m3 (62) 62.0
 
Jan. 16, 2019, 4 p.m. N/A 4.4 ppb (4) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 9.0 ppb (7) N/A N/A 16.2 μg/m3 (59) 59.0
 
Jan. 16, 2019, 3 p.m. N/A 5.8 ppb (5) N/A 13.0 ppb (12) N/A 5.0 ppb (7) 6.0 ppb (5) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 16, 2019, 2 p.m. N/A 3.7 ppb (3) N/A 19.0 ppb (18) N/A 7.0 ppb (10) 3.0 ppb (2) N/A N/A 17.2 μg/m3 (61) 61.0
 
Jan. 16, 2019, 1 p.m. N/A 3.3 ppb (3) N/A 18.0 ppb (17) N/A 6.0 ppb (9) 3.0 ppb (2) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 16, 2019, noon N/A 2.2 ppb (2) N/A 17.0 ppb (16) N/A 6.0 ppb (9) 4.0 ppb (3) N/A N/A 16.4 μg/m3 (59) 59.0
 
Jan. 16, 2019, 11 a.m. N/A 3.9 ppb (4) N/A 19.0 ppb (18) N/A 7.0 ppb (10) 2.0 ppb (2) N/A N/A 17.4 μg/m3 (61) 61.0
 
Jan. 16, 2019, 10 a.m. N/A 4.2 ppb (4) N/A 20.0 ppb (19) N/A 9.0 ppb (13) 1.0 ppb (1) N/A N/A 16.7 μg/m3 (60) 60.0
 
Jan. 16, 2019, 9 a.m. N/A 3.7 ppb (3) N/A 20.0 ppb (19) N/A 8.0 ppb (11) 1.0 ppb (1) N/A N/A 17.5 μg/m3 (62) 62.0
 
Jan. 16, 2019, 8 a.m. N/A 5.0 ppb (5) N/A 19.0 ppb (18) N/A 6.0 ppb (9) 2.0 ppb (2) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 16, 2019, 7 a.m. N/A 3.9 ppb (4) N/A 17.0 ppb (16) N/A 5.0 ppb (7) 2.0 ppb (2) N/A N/A 20.9 μg/m3 (69) 69.0
 
Jan. 16, 2019, 6 a.m. N/A 5.7 ppb (5) N/A 17.0 ppb (16) N/A 5.0 ppb (7) 2.0 ppb (2) N/A N/A 23.3 μg/m3 (74) 74.0
 
Jan. 16, 2019, 5 a.m. N/A 5.0 ppb (5) N/A 18.0 ppb (17) N/A 6.0 ppb (9) 2.0 ppb (2) N/A N/A 23.5 μg/m3 (74) 74.0
 
Jan. 16, 2019, 4 a.m. N/A 7.9 ppb (7) N/A 16.0 ppb (15) N/A 7.0 ppb (10) 4.0 ppb (3) N/A N/A 18.9 μg/m3 (65) 65.0
 
Jan. 16, 2019, 3 a.m. N/A 12.5 ppb (12) N/A 21.0 ppb (19) N/A 8.0 ppb (11) 1.0 ppb (1) N/A N/A 28.8 μg/m3 (86) 86.0
 
Jan. 16, 2019, 2 a.m. N/A 12.7 ppb (12) N/A 21.0 ppb (19) N/A 5.0 ppb (7) 0.0 ppb (0) N/A N/A 27.7 μg/m3 (83) 83.0
 
Jan. 16, 2019, 1 a.m. N/A 13.0 ppb (12) N/A 22.0 ppb (20) N/A 5.0 ppb (7) 0.0 ppb (0) N/A N/A 29.0 μg/m3 (86) 86.0
 
Jan. 16, 2019, midnight N/A 10.7 ppb (10) N/A 20.0 ppb (19) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 24.6 μg/m3 (77) 77.0
 
Jan. 15, 2019, 11 p.m. N/A 13.8 ppb (13) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
Jan. 15, 2019, 9 p.m. N/A 11.7 ppb (11) N/A 12.0 ppb (11) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 15, 2019, 8 p.m. N/A 13.2 ppb (12) N/A 13.0 ppb (12) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 16.3 μg/m3 (59) 59.0
 
Jan. 15, 2019, 7 p.m. N/A 9.2 ppb (9) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 15, 2019, 6 p.m. N/A 8.8 ppb (8) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 15, 2019, 5 p.m. N/A 9.5 ppb (9) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 15, 2019, 4 p.m. N/A 13.7 ppb (13) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 17.6 μg/m3 (62) 62.0
 
Jan. 15, 2019, 3 p.m. N/A 17.6 ppb (16) N/A 18.0 ppb (17) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 19.7 μg/m3 (66) 66.0
 
Jan. 15, 2019, 2 p.m. N/A 20.9 ppb (19) N/A 18.0 ppb (17) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2019, 1 p.m. N/A 18.8 ppb (17) N/A 17.0 ppb (16) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 15, 2019, noon N/A 20.8 ppb (19) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 19.9 μg/m3 (67) 67.0
 
Jan. 15, 2019, 11 a.m. N/A 20.8 ppb (19) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 18.5 μg/m3 (64) 64.0
 
Jan. 15, 2019, 10 a.m. N/A 22.9 ppb (21) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 20.1 μg/m3 (67) 67.0
 
Jan. 15, 2019, 9 a.m. N/A 36.5 ppb (34) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 15, 2019, 8 a.m. N/A 46.5 ppb (43) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 31.3 μg/m3 (91) 91.0
 
Jan. 15, 2019, 7 a.m. N/A 56.4 ppb (53) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 25.9 μg/m3 (80) 80.0
 
Jan. 15, 2019, 6 a.m. N/A 95.5 ppb (94) N/A 26.0 ppb (24) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 22.1 μg/m3 (71) 94.0
 
Jan. 15, 2019, 5 a.m. N/A 115.0 ppb (103) N/A 33.0 ppb (31) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 25.1 μg/m3 (78) 103.0
 
Jan. 15, 2019, 4 a.m. N/A 110.2 ppb (102) N/A 30.0 ppb (28) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 33.6 μg/m3 (96) 102.0
 
Jan. 15, 2019, 3 a.m. N/A 80.1 ppb (78) N/A 28.0 ppb (26) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 23.2 μg/m3 (74) 78.0
 
Jan. 15, 2019, 2 a.m. N/A 100.2 ppb (99) N/A 30.0 ppb (28) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 23.5 μg/m3 (74) 99.0
 
Jan. 15, 2019, 1 a.m. N/A 75.7 ppb (73) N/A 31.0 ppb (29) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 17.0 μg/m3 (61) 73.0
 
Jan. 15, 2019, midnight N/A 23.8 ppb (22) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 14, 2019, 11 p.m. N/A 12.0 ppb (11) N/A 18.0 ppb (17) N/A 3.0 ppb (4) 9.0 ppb (7) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 14, 2019, 10 p.m. N/A 14.0 ppb (13) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 14, 2019, 8 p.m. N/A 14.8 ppb (14) N/A 13.0 ppb (12) N/A 3.0 ppb (4) 9.0 ppb (7) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 14, 2019, 7 p.m. N/A 20.3 ppb (19) N/A 14.0 ppb (13) N/A 3.0 ppb (4) 7.0 ppb (5) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 14, 2019, 6 p.m. N/A 40.7 ppb (38) N/A 17.0 ppb (16) N/A 4.0 ppb (6) 3.0 ppb (2) N/A N/A 24.1 μg/m3 (76) 76.0
 
Jan. 14, 2019, 5 p.m. N/A 45.8 ppb (42) N/A 16.0 ppb (15) N/A 4.0 ppb (6) 2.0 ppb (2) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 14, 2019, 4 p.m. N/A 58.8 ppb (55) N/A 18.0 ppb (17) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 21.4 μg/m3 (70) 70.0
 
Jan. 14, 2019, 3 p.m. N/A 57.1 ppb (53) N/A 18.0 ppb (17) N/A 5.0 ppb (7) 1.0 ppb (1) N/A N/A 27.7 μg/m3 (83) 83.0
 
Jan. 14, 2019, 2 p.m. N/A 48.9 ppb (45) N/A 17.0 ppb (16) N/A 5.0 ppb (7) 1.0 ppb (1) N/A N/A 24.4 μg/m3 (76) 76.0
 
Jan. 14, 2019, 1 p.m. N/A 45.4 ppb (42) N/A 17.0 ppb (16) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 27.7 μg/m3 (83) 83.0
 
Jan. 14, 2019, noon N/A 35.4 ppb (33) N/A 17.0 ppb (16) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 32.5 μg/m3 (94) 94.0
 
Jan. 14, 2019, 11 a.m. N/A 52.6 ppb (49) N/A 18.0 ppb (17) N/A 4.0 ppb (6) 1.0 ppb (1) N/A N/A 29.4 μg/m3 (87) 87.0
 
Jan. 14, 2019, 10 a.m. N/A 54.3 ppb (50) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 27.8 μg/m3 (84) 84.0
 
Jan. 14, 2019, 9 a.m. N/A 53.8 ppb (50) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 24.3 μg/m3 (76) 76.0
 
Jan. 14, 2019, 8 a.m. N/A 41.6 ppb (39) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 26.3 μg/m3 (80) 80.0
 
Jan. 14, 2019, 7 a.m. N/A 40.7 ppb (38) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 19.6 μg/m3 (66) 66.0
 
Jan. 14, 2019, 6 a.m. N/A 26.7 ppb (25) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 14, 2019, 5 a.m. N/A 11.9 ppb (11) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2019, 4 a.m. N/A 12.4 ppb (11) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 17.1 μg/m3 (61) 61.0
 
Jan. 14, 2019, 3 a.m. N/A 20.6 ppb (19) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 17.6 μg/m3 (62) 62.0
 
Jan. 14, 2019, 2 a.m. N/A 23.7 ppb (22) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 15.3 μg/m3 (57) 57.0
 
Jan. 14, 2019, 1 a.m. N/A 8.1 ppb (8) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 4.0 ppb (3) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2019, midnight N/A 5.8 ppb (5) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 12.1 μg/m3 (50) 50.0
 
Jan. 13, 2019, 11 p.m. N/A 13.1 ppb (12) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 4.0 ppb (3) N/A N/A 16.3 μg/m3 (59) 59.0
 
Jan. 13, 2019, 10 p.m. N/A 6.4 ppb (6) N/A 14.0 ppb (13) N/A 7.0 ppb (10) 10.0 ppb (8) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 13, 2019, 9 p.m. N/A 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2019, 7 p.m. N/A 14.0 ppb (13) N/A 19.0 ppb (18) N/A 5.0 ppb (7) 14.0 ppb (11) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 13, 2019, 6 p.m. N/A 12.2 ppb (11) N/A 14.0 ppb (13) N/A 4.0 ppb (6) 11.0 ppb (8) N/A N/A 14.6 μg/m3 (56) 56.0
 
Jan. 13, 2019, 5 p.m. N/A 16.1 ppb (15) N/A 15.0 ppb (14) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 15.8 μg/m3 (58) 58.0
 
Jan. 13, 2019, 4 p.m. N/A 18.7 ppb (17) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 16.6 μg/m3 (60) 60.0
 
Jan. 13, 2019, 3 p.m. N/A 26.7 ppb (25) N/A 24.0 ppb (22) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 12.9 μg/m3 (52) 52.0
 
Jan. 13, 2019, 2 p.m. N/A 24.6 ppb (23) N/A 25.0 ppb (23) N/A 4.0 ppb (6) 3.0 ppb (2) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 13, 2019, 1 p.m. N/A 24.3 ppb (23) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 14.3 μg/m3 (55) 55.0
 
Jan. 13, 2019, noon N/A 31.9 ppb (30) N/A 18.0 ppb (17) N/A 3.0 ppb (4) 1.0 ppb (1) N/A N/A 17.1 μg/m3 (61) 61.0
 
Jan. 13, 2019, 11 a.m. N/A 7.6 ppb (7) N/A 13.0 ppb (12) N/A 3.0 ppb (4) 3.0 ppb (2) N/A N/A 10.2 μg/m3 (42) 42.0
 
Jan. 13, 2019, 10 a.m. N/A 1.9 ppb (2) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 10.4 μg/m3 (43) 43.0
 
Jan. 13, 2019, 9 a.m. N/A 5.1 ppb (5) N/A 13.0 ppb (12) N/A 5.0 ppb (7) 4.0 ppb (3) N/A N/A 11.4 μg/m3 (48) 48.0
 
Jan. 13, 2019, 8 a.m. N/A 4.6 ppb (4) N/A 12.0 ppb (11) N/A 6.0 ppb (9) 5.0 ppb (4) N/A N/A 18.4 μg/m3 (64) 64.0
 
Jan. 13, 2019, 7 a.m. N/A 4.5 ppb (4) N/A 11.0 ppb (10) N/A 4.0 ppb (6) 4.0 ppb (3) N/A N/A 19.3 μg/m3 (66) 66.0
 
Jan. 13, 2019, 6 a.m. N/A 14.1 ppb (13) N/A 14.0 ppb (13) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 13, 2019, 5 a.m. N/A 13.1 ppb (12) N/A 17.0 ppb (16) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 19.6 μg/m3 (66) 66.0
 
Jan. 13, 2019, 4 a.m. N/A 8.3 ppb (8) N/A 14.0 ppb (13) N/A 5.0 ppb (7) 3.0 ppb (2) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 13, 2019, 3 a.m. N/A 5.2 ppb (5) N/A 13.0 ppb (12) N/A 4.0 ppb (6) 3.0 ppb (2) N/A N/A 15.9 μg/m3 (58) 58.0
 
Jan. 13, 2019, 2 a.m. N/A 16.2 ppb (15) N/A 14.0 ppb (13) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 18.5 μg/m3 (64) 64.0
 
Jan. 13, 2019, 1 a.m. N/A 4.2 ppb (4) N/A 13.0 ppb (12) N/A 3.0 ppb (4) 4.0 ppb (3) N/A N/A 15.6 μg/m3 (58) 58.0
 
Jan. 13, 2019, midnight N/A 3.2 ppb (3) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 13.1 μg/m3 (52) 52.0
 
Jan. 12, 2019, 11 p.m. N/A 5.4 ppb (5) N/A 12.0 ppb (11) N/A 3.0 ppb (4) 7.0 ppb (5) N/A N/A 13.3 μg/m3 (53) 53.0
 
Jan. 12, 2019, 10 p.m. N/A 6.3 ppb (6) N/A 11.0 ppb (10) N/A 3.0 ppb (4) 8.0 ppb (6) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 12, 2019, 9 p.m. N/A 6.4 ppb (6) N/A 11.0 ppb (10) N/A 4.0 ppb (6) 11.0 ppb (8) N/A N/A 14.4 μg/m3 (55) 55.0
 
Jan. 12, 2019, 8 p.m. N/A 8.7 ppb (8) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A N/A 16.8 μg/m3 (60) 60.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Jan. 12, 2019, 6 p.m. N/A 10.8 ppb (10) N/A 12.0 ppb (11) N/A 3.0 ppb (4) 3.0 ppb (2) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 12, 2019, 5 p.m. N/A 7.5 ppb (7) N/A 12.0 ppb (11) N/A 4.0 ppb (6) 4.0 ppb (3) N/A N/A 15.7 μg/m3 (58) 58.0
 
Jan. 12, 2019, 4 p.m. N/A 5.5 ppb (5) N/A 15.0 ppb (14) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 11.9 μg/m3 (50) 50.0