AQSQID: 000100202

Site Name: Prg Plaza 400

Location: Prince George, CC

Reporting: True, Located: True

Current AQI: 45.0

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
Oct. 8, 2019, 4 a.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.2 μg/m3 (18) 18.0
 
Oct. 8, 2019, 3 a.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 16.0
 
Oct. 8, 2019, 2 a.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.9 μg/m3 (12) 15.0
 
Oct. 8, 2019, 1 a.m. N/A 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Oct. 8, 2019, midnight N/A 8.0 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Oct. 7, 2019, 11 p.m. N/A 2.9 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.8 μg/m3 (8) 24.0
 
Oct. 7, 2019, 10 p.m. N/A 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
Oct. 7, 2019, 9 p.m. N/A 2.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Oct. 7, 2019, 8 p.m. N/A 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.1 μg/m3 (9) 23.0
 
Oct. 7, 2019, 7 p.m. N/A 2.8 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
Oct. 7, 2019, 6 p.m. N/A 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Oct. 7, 2019, 5 p.m. N/A 2.8 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
Oct. 7, 2019, 4 p.m. N/A 1.2 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
Oct. 7, 2019, 3 p.m. N/A 1.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Oct. 7, 2019, 2 p.m. N/A 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 7, 2019, 1 p.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 7, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 7, 2019, 11 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 7, 2019, 10 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.1 μg/m3 (17) 17.0
 
Oct. 7, 2019, 9 a.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.4 μg/m3 (18) 18.0
 
Oct. 7, 2019, 8 a.m. N/A 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.8 μg/m3 (16) 18.0
 
Oct. 7, 2019, 7 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
Oct. 7, 2019, 6 a.m. N/A 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
Oct. 7, 2019, 5 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Oct. 7, 2019, 4 a.m. N/A 0.7 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 5.6 μg/m3 (23) 23.0
 
Oct. 7, 2019, 3 a.m. N/A 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
Oct. 7, 2019, 2 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Oct. 7, 2019, 1 a.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Oct. 7, 2019, midnight N/A 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.8 μg/m3 (12) 19.0
 
Oct. 6, 2019, 11 p.m. N/A 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
Oct. 6, 2019, 10 p.m. N/A 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.5 μg/m3 (10) 19.0
 
Oct. 6, 2019, 9 p.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
Oct. 6, 2019, 8 p.m. N/A 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.9 μg/m3 (12) 19.0
 
Oct. 6, 2019, 7 p.m. N/A 1.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
Oct. 6, 2019, 6 p.m. N/A 1.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.2 μg/m3 (22) 22.0
 
Oct. 6, 2019, 5 p.m. N/A 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Oct. 6, 2019, 4 p.m. N/A 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 6.5 μg/m3 (27) 27.0
 
Oct. 6, 2019, 3 p.m. N/A 4.7 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 6, 2019, 2 p.m. N/A 7.4 ppb (7) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 9.7 μg/m3 (40) 40.0
 
Oct. 6, 2019, 1 p.m. N/A 7.2 ppb (7) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 14.0 μg/m3 (54) 54.0
 
Oct. 6, 2019, noon N/A 3.8 ppb (4) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) N/A N/A 12.3 μg/m3 (51) 51.0
 
Oct. 6, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 16.8 μg/m3 (60) 60.0
 
Oct. 6, 2019, 10 a.m. N/A 2.2 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 12.3 μg/m3 (51) 51.0
 
Oct. 6, 2019, 9 a.m. N/A 1.1 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
Oct. 6, 2019, 8 a.m. N/A 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 6, 2019, 7 a.m. N/A 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 8.4 μg/m3 (35) 35.0
 
Oct. 6, 2019, 6 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 6, 2019, 5 a.m. N/A 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 7.3 μg/m3 (30) 30.0
 
Oct. 6, 2019, 4 a.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 6, 2019, 3 a.m. N/A 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 6, 2019, 2 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 6, 2019, 1 a.m. N/A 3.9 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
Oct. 6, 2019, midnight N/A 3.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.2 μg/m3 (9) 22.0
 
Oct. 5, 2019, 11 p.m. N/A 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
Oct. 5, 2019, 10 p.m. N/A 2.5 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Oct. 5, 2019, 9 p.m. N/A 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Oct. 5, 2019, 8 p.m. N/A 2.4 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Oct. 5, 2019, 7 p.m. N/A 3.8 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.1 μg/m3 (9) 20.0
 
Oct. 5, 2019, 6 p.m. N/A 2.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Oct. 5, 2019, 5 p.m. N/A 4.1 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.6 μg/m3 (15) 15.0
 
Oct. 5, 2019, 4 p.m. N/A 8.0 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 4.0 μg/m3 (17) 17.0
 
Oct. 5, 2019, 3 p.m. N/A 8.8 ppb (8) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 15.3 μg/m3 (57) 57.0
 
Oct. 5, 2019, 2 p.m. N/A 7.8 ppb (7) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 9.4 μg/m3 (39) 39.0
 
Oct. 5, 2019, 1 p.m. N/A 6.0 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 8.7 μg/m3 (36) 36.0
 
Oct. 5, 2019, noon N/A 3.2 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 7.7 μg/m3 (32) 32.0
 
Oct. 5, 2019, 11 a.m. N/A 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 5.0 ppb (4) N/A N/A 8.2 μg/m3 (34) 34.0
 
Oct. 5, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
Oct. 5, 2019, 9 a.m. N/A 3.2 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 6.1 μg/m3 (25) 25.0
 
Oct. 5, 2019, 8 a.m. N/A 5.6 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 5, 2019, 7 a.m. N/A 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 5.9 μg/m3 (25) 25.0
 
Oct. 5, 2019, 6 a.m. N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 5, 2019, 5 a.m. N/A 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 7.6 μg/m3 (32) 32.0
 
Oct. 5, 2019, 4 a.m. N/A 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 6.1 μg/m3 (25) 25.0
 
Oct. 5, 2019, 3 a.m. N/A 1.5 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 5.4 μg/m3 (23) 23.0
 
Oct. 5, 2019, 2 a.m. N/A 3.0 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 10.4 μg/m3 (43) 43.0
 
Oct. 5, 2019, 1 a.m. N/A 3.4 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 12.4 μg/m3 (51) 51.0
 
Oct. 5, 2019, midnight N/A 6.3 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 6.1 μg/m3 (25) 25.0
 
Oct. 4, 2019, 11 p.m. N/A 2.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 2.9 μg/m3 (12) 13.0
 
Oct. 4, 2019, 10 p.m. N/A 4.1 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 4, 2019, 9 p.m. N/A 3.5 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.2 μg/m3 (13) 13.0
 
Oct. 4, 2019, 8 p.m. N/A 3.6 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 3.5 μg/m3 (15) 15.0
 
Oct. 4, 2019, 7 p.m. N/A 4.8 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 4.9 μg/m3 (20) 20.0
 
Oct. 4, 2019, 6 p.m. N/A 4.7 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 4, 2019, 5 p.m. N/A 3.2 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 6.3 μg/m3 (26) 26.0
 
Oct. 4, 2019, 4 p.m. N/A 5.4 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 6.5 μg/m3 (27) 27.0
 
Oct. 4, 2019, 3 p.m. N/A 9.3 ppb (9) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 7.3 μg/m3 (30) 30.0
 
Oct. 4, 2019, 2 p.m. N/A 4.0 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 7.6 μg/m3 (32) 32.0
 
Oct. 4, 2019, 1 p.m. N/A 1.1 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 6.6 μg/m3 (28) 28.0
 
Oct. 4, 2019, noon N/A 2.8 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 8.1 μg/m3 (34) 34.0
 
Oct. 4, 2019, 11 a.m. N/A 2.9 ppb (3) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 8.3 μg/m3 (35) 35.0
 
Oct. 4, 2019, 10 a.m. N/A 3.8 ppb (4) N/A 12.0 ppb (11) N/A N/A 5.0 ppb (4) N/A N/A 9.9 μg/m3 (41) 41.0
 
Oct. 4, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Oct. 4, 2019, 8 a.m. N/A 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 6.8 μg/m3 (28) 28.0
 
Oct. 4, 2019, 7 a.m. N/A 1.1 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 4, 2019, 6 a.m. N/A 2.3 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 4, 2019, 5 a.m. N/A 1.1 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 7.3 μg/m3 (30) 30.0
 
Oct. 4, 2019, 4 a.m. N/A 1.9 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 9.1 μg/m3 (38) 38.0
 
Oct. 4, 2019, 3 a.m. N/A 1.1 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 9.1 μg/m3 (38) 38.0
 
Oct. 4, 2019, 2 a.m. N/A 0.9 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 5.7 μg/m3 (24) 24.0
 
Oct. 4, 2019, 1 a.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 4, 2019, midnight N/A 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 3, 2019, 11 p.m. N/A 2.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.1 μg/m3 (17) 17.0
 
Oct. 3, 2019, 10 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Oct. 3, 2019, 9 p.m. N/A 1.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 16.0
 
Oct. 3, 2019, 8 p.m. N/A 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.3 μg/m3 (18) 18.0
 
Oct. 3, 2019, 7 p.m. N/A 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.6 μg/m3 (19) 19.0
 
Oct. 3, 2019, 6 p.m. N/A 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.3 μg/m3 (22) 22.0
 
Oct. 3, 2019, 5 p.m. N/A 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 5.6 μg/m3 (23) 23.0
 
Oct. 3, 2019, 4 p.m. N/A 2.7 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 3, 2019, 3 p.m. N/A 6.1 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 3, 2019, 2 p.m. N/A 19.1 ppb (18) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.7 μg/m3 (58) 58.0
 
Oct. 3, 2019, 1 p.m. N/A 14.4 ppb (13) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.6 μg/m3 (56) 56.0
 
Oct. 3, 2019, noon N/A 23.4 ppb (22) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 12.6 μg/m3 (51) 51.0
 
Oct. 3, 2019, 11 a.m. N/A 11.9 ppb (11) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.1 μg/m3 (52) 52.0
 
Oct. 3, 2019, 10 a.m. N/A 14.7 ppb (14) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.5 μg/m3 (55) 55.0
 
Oct. 3, 2019, 9 a.m. N/A 6.5 ppb (6) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) N/A N/A 14.5 μg/m3 (55) 55.0
 
Oct. 3, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.3 μg/m3 (53) 53.0
 
Oct. 3, 2019, 7 a.m. N/A 4.1 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 11.1 μg/m3 (46) 46.0
 
Oct. 3, 2019, 6 a.m. N/A 7.1 ppb (7) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 12.7 μg/m3 (51) 51.0
 
Oct. 3, 2019, 5 a.m. N/A 14.3 ppb (13) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 16.5 μg/m3 (60) 60.0
 
Oct. 3, 2019, 4 a.m. N/A 9.2 ppb (9) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 14.7 μg/m3 (56) 56.0
 
Oct. 3, 2019, 3 a.m. N/A 5.3 ppb (5) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 13.7 μg/m3 (54) 54.0
 
Oct. 3, 2019, 2 a.m. N/A 1.7 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 10.6 μg/m3 (44) 44.0
 
Oct. 3, 2019, 1 a.m. N/A 1.4 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 10.7 μg/m3 (45) 45.0
 
Oct. 3, 2019, midnight N/A 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 7.0 μg/m3 (29) 29.0
 
Oct. 2, 2019, 11 p.m. N/A 2.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 6.7 μg/m3 (28) 28.0
 
Oct. 2, 2019, 10 p.m. N/A 4.1 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
Oct. 2, 2019, 9 p.m. N/A 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 7.2 μg/m3 (30) 30.0
 
Oct. 2, 2019, 8 p.m. N/A 2.3 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 7.1 μg/m3 (30) 30.0
 
Oct. 2, 2019, 7 p.m. N/A 2.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 8.9 μg/m3 (37) 37.0
 
Oct. 2, 2019, 6 p.m. N/A 15.4 ppb (14) N/A 15.0 ppb (14) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 23.2 μg/m3 (74) 74.0
 
Oct. 2, 2019, 5 p.m. N/A 14.1 ppb (13) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 29.3 μg/m3 (87) 87.0
 
Oct. 2, 2019, 4 p.m. N/A 17.8 ppb (16) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 29.1 μg/m3 (86) 86.0
 
Oct. 2, 2019, 3 p.m. N/A 32.3 ppb (30) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 24.6 μg/m3 (77) 77.0
 
Oct. 2, 2019, 2 p.m. N/A 20.4 ppb (19) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 23.2 μg/m3 (74) 74.0
 
Oct. 2, 2019, 1 p.m. N/A 21.1 ppb (20) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 22.8 μg/m3 (73) 73.0
 
Oct. 2, 2019, noon N/A 11.6 ppb (11) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 21.2 μg/m3 (70) 70.0
 
Oct. 2, 2019, 11 a.m. N/A 14.5 ppb (13) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 22.1 μg/m3 (71) 71.0
 
Oct. 2, 2019, 10 a.m. N/A 13.1 ppb (12) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 23.0 μg/m3 (73) 73.0
 
Oct. 2, 2019, 9 a.m. N/A 7.7 ppb (7) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 23.3 μg/m3 (74) 74.0
 
Oct. 2, 2019, 8 a.m. N/A 4.9 ppb (5) N/A 14.0 ppb (13) N/A N/A 2.0 ppb (2) N/A N/A 21.9 μg/m3 (71) 71.0
 
Oct. 2, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 21.9 μg/m3 (71) 71.0
 
Oct. 2, 2019, 6 a.m. N/A 0.9 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 21.2 μg/m3 (70) 70.0
 
Oct. 2, 2019, 5 a.m. N/A 2.1 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 20.0 μg/m3 (67) 67.0
 
Oct. 2, 2019, 4 a.m. N/A 3.1 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 18.1 μg/m3 (63) 63.0
 
Oct. 2, 2019, 3 a.m. N/A 0.7 ppb (1) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 8.0 ppb (6) N/A N/A 14.3 μg/m3 (55) 55.0
 
Oct. 2, 2019, 2 a.m. N/A 1.3 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 9.1 μg/m3 (38) 38.0
 
Oct. 2, 2019, 1 a.m. N/A 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 6.0 μg/m3 (25) 25.0
 
Oct. 2, 2019, midnight N/A 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.9 μg/m3 (20) 20.0
 
Oct. 1, 2019, 11 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
Oct. 1, 2019, 10 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.5 μg/m3 (23) 23.0
 
Oct. 1, 2019, 9 p.m. N/A 2.0 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 5.8 μg/m3 (24) 24.0
 
Oct. 1, 2019, 8 p.m. N/A 10.9 ppb (10) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 8.8 μg/m3 (37) 37.0
 
Oct. 1, 2019, 7 p.m. N/A 32.6 ppb (30) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 18.7 μg/m3 (64) 64.0
 
Oct. 1, 2019, 6 p.m. N/A 41.7 ppb (39) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 20.3 μg/m3 (68) 68.0
 
Oct. 1, 2019, 5 p.m. N/A 46.2 ppb (43) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 20.5 μg/m3 (68) 68.0
 
Oct. 1, 2019, 4 p.m. N/A 60.3 ppb (57) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 16.8 μg/m3 (60) 60.0
 
Oct. 1, 2019, 3 p.m. N/A 67.3 ppb (64) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 15.8 μg/m3 (58) 64.0
 
Oct. 1, 2019, 2 p.m. N/A 49.4 ppb (46) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 16.0 μg/m3 (59) 59.0
 
Oct. 1, 2019, 1 p.m. N/A 44.5 ppb (41) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 16.4 μg/m3 (59) 59.0
 
Oct. 1, 2019, noon N/A 30.7 ppb (28) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.8 μg/m3 (58) 58.0
 
Oct. 1, 2019, 11 a.m. N/A 14.2 ppb (13) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 14.3 μg/m3 (55) 55.0
 
Oct. 1, 2019, 10 a.m. N/A 27.2 ppb (25) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.1 μg/m3 (57) 57.0
 
Oct. 1, 2019, 9 a.m. N/A 17.0 ppb (16) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 16.2 μg/m3 (59) 59.0
 
Oct. 1, 2019, 8 a.m. N/A 35.1 ppb (32) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 18.0 μg/m3 (63) 63.0
 
Oct. 1, 2019, 7 a.m. N/A 21.3 ppb (20) N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) N/A N/A 12.3 μg/m3 (51) 51.0
 
Oct. 1, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Oct. 1, 2019, 5 a.m. N/A 12.5 ppb (12) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 11.9 μg/m3 (50) 50.0