AQSQID: 000100202

Site Name: Prg Plaza 400

Location: Prince George (Civic Centre), CC

Reporting: True, Located: True

Current AQI: 48.0

Prince George (Civic Centre) CC, CA: 53.9147, -122.7419

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 21, 2020, 4 a.m. N/A 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.2 μg/m3 (30) 30.0
 
Feb. 21, 2020, 3 a.m. N/A 0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 10.5 μg/m3 (44) 44.0
 
Feb. 21, 2020, 2 a.m. N/A 0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 10.3 μg/m3 (43) 43.0
 
Feb. 21, 2020, 1 a.m. N/A 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
Feb. 21, 2020, midnight N/A 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
Feb. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Feb. 20, 2020, 10 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.4 μg/m3 (10) 30.0
 
Feb. 20, 2020, 9 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.5 μg/m3 (10) 29.0
 
Feb. 20, 2020, 8 p.m. N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.5 μg/m3 (10) 28.0
 
Feb. 20, 2020, 7 p.m. N/A 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.1 μg/m3 (13) 28.0
 
Feb. 20, 2020, 6 p.m. N/A 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 5.8 μg/m3 (24) 26.0
 
Feb. 20, 2020, 5 p.m. N/A 2.9 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 13.9 μg/m3 (54) 54.0
 
Feb. 20, 2020, 4 p.m. N/A 2.3 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 9.5 μg/m3 (40) 40.0
 
Feb. 20, 2020, 3 p.m. N/A 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 9.0 μg/m3 (38) 38.0
 
Feb. 20, 2020, 2 p.m. N/A 1.5 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 15.5 μg/m3 (57) 57.0
 
Feb. 20, 2020, 1 p.m. N/A 0.4 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 7.1 μg/m3 (30) 30.0
 
Feb. 20, 2020, noon N/A 1.3 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 7.9 μg/m3 (33) 33.0
 
Feb. 20, 2020, 11 a.m. N/A 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Feb. 20, 2020, 10 a.m. N/A 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 4.4 μg/m3 (18) 25.0
 
Feb. 20, 2020, 9 a.m. N/A 0.2 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 8.5 μg/m3 (35) 35.0
 
Feb. 20, 2020, 8 a.m. N/A 0.2 ppb (0) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 8.5 μg/m3 (35) 35.0
 
Feb. 20, 2020, 7 a.m. N/A 3.0 ppb (3) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 12.1 μg/m3 (50) 50.0
 
Feb. 20, 2020, 6 a.m. N/A 4.6 ppb (4) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A 9.8 μg/m3 (41) 41.0
 
Feb. 20, 2020, 5 a.m. N/A 3.2 ppb (3) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 9.0 ppb (7) N/A N/A 11.4 μg/m3 (48) 48.0
 
Feb. 20, 2020, 4 a.m. N/A 2.0 ppb (2) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A 8.3 μg/m3 (35) 35.0
 
Feb. 20, 2020, 3 a.m. N/A 12.7 ppb (12) N/A 31.0 ppb (29) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 6.5 μg/m3 (27) 29.0
 
Feb. 20, 2020, 2 a.m. N/A 12.9 ppb (12) N/A 29.0 ppb (27) N/A 3.0 ppb (4) 8.0 ppb (6) N/A N/A 5.1 μg/m3 (21) 27.0
 
Feb. 20, 2020, 1 a.m. N/A 13.7 ppb (13) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 3.7 μg/m3 (15) 23.0
 
Feb. 20, 2020, midnight N/A 5.1 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Feb. 19, 2020, 11 p.m. N/A 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Feb. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Feb. 19, 2020, 9 p.m. N/A 2.5 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
Feb. 19, 2020, 8 p.m. N/A 5.2 ppb (5) N/A 9.0 ppb (8) N/A 7.0 ppb (10) 27.0 ppb (21) N/A N/A 12.6 μg/m3 (51) 51.0
 
Feb. 19, 2020, 7 p.m. N/A 13.1 ppb (12) N/A 15.0 ppb (14) N/A 7.0 ppb (10) 18.0 ppb (14) N/A N/A 23.0 μg/m3 (73) 73.0
 
Feb. 19, 2020, 6 p.m. N/A 22.2 ppb (21) N/A 19.0 ppb (18) N/A 5.0 ppb (7) 11.0 ppb (8) N/A N/A 36.1 μg/m3 (102) 102.0
 
Feb. 19, 2020, 5 p.m. N/A 25.7 ppb (24) N/A 20.0 ppb (19) N/A 6.0 ppb (9) 8.0 ppb (6) N/A N/A 39.5 μg/m3 (110) 110.0
 
Feb. 19, 2020, 4 p.m. N/A 27.1 ppb (25) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 4.0 ppb (3) N/A N/A 31.8 μg/m3 (92) 92.0
 
Feb. 19, 2020, 3 p.m. N/A 35.0 ppb (32) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 31.0 μg/m3 (90) 90.0
 
Feb. 19, 2020, 2 p.m. N/A 23.6 ppb (22) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 31.1 μg/m3 (91) 91.0
 
Feb. 19, 2020, 1 p.m. N/A 17.5 ppb (16) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 31.7 μg/m3 (92) 92.0
 
Feb. 19, 2020, noon N/A 23.5 ppb (22) N/A 24.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 29.9 μg/m3 (88) 88.0
 
Feb. 19, 2020, 11 a.m. N/A 21.5 ppb (20) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 34.8 μg/m3 (99) 99.0
 
Feb. 19, 2020, 10 a.m. N/A 5.5 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 30.4 μg/m3 (89) 89.0
 
Feb. 19, 2020, 9 a.m. N/A 19.5 ppb (18) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 30.3 μg/m3 (89) 89.0
 
Feb. 19, 2020, 8 a.m. N/A 27.9 ppb (26) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 22.2 μg/m3 (72) 72.0
 
Feb. 19, 2020, 7 a.m. N/A 21.4 ppb (20) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 16.5 μg/m3 (60) 60.0
 
Feb. 19, 2020, 6 a.m. N/A 5.7 ppb (5) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 14.4 μg/m3 (55) 55.0
 
Feb. 19, 2020, 5 a.m. N/A 1.1 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 12.5 μg/m3 (51) 51.0
 
Feb. 19, 2020, 4 a.m. N/A 1.0 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 14.9 μg/m3 (56) 56.0
 
Feb. 19, 2020, 3 a.m. N/A 0.6 ppb (1) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 16.0 ppb (12) N/A N/A 11.9 μg/m3 (50) 50.0
 
Feb. 19, 2020, 2 a.m. N/A 4.1 ppb (4) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.7 μg/m3 (36) 36.0
 
Feb. 19, 2020, 1 a.m. N/A 2.4 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 15.1 μg/m3 (57) 57.0
 
Feb. 19, 2020, midnight N/A 1.9 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 13.9 μg/m3 (54) 54.0
 
Feb. 18, 2020, 11 p.m. N/A 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Feb. 18, 2020, 10 p.m. N/A 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A 1.7 μg/m3 (7) 27.0
 
Feb. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Feb. 18, 2020, 8 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Feb. 18, 2020, 7 p.m. N/A 2.3 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Feb. 18, 2020, 6 p.m. N/A 13.6 ppb (13) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 8.7 μg/m3 (36) 36.0
 
Feb. 18, 2020, 5 p.m. N/A 37.9 ppb (35) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 13.9 μg/m3 (54) 54.0
 
Feb. 18, 2020, 4 p.m. N/A 68.7 ppb (66) N/A 39.0 ppb (36) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 11.4 μg/m3 (48) 66.0
 
Feb. 18, 2020, 3 p.m. N/A 48.5 ppb (45) N/A 39.0 ppb (36) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 8.7 μg/m3 (36) 45.0
 
Feb. 18, 2020, 2 p.m. N/A 29.5 ppb (27) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 6.9 μg/m3 (29) 32.0
 
Feb. 18, 2020, 1 p.m. N/A 1.3 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Feb. 18, 2020, noon N/A 4.1 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.8 μg/m3 (12) 20.0
 
Feb. 18, 2020, 11 a.m. N/A 6.6 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Feb. 18, 2020, 10 a.m. N/A 8.8 ppb (8) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Feb. 18, 2020, 9 a.m. N/A 17.3 ppb (16) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.2 μg/m3 (13) 20.0
 
Feb. 18, 2020, 8 a.m. N/A 14.7 ppb (14) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Feb. 18, 2020, 7 a.m. N/A 16.0 ppb (15) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 5.3 μg/m3 (22) 28.0
 
Feb. 18, 2020, 6 a.m. N/A 10.2 ppb (9) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 8.3 μg/m3 (35) 35.0
 
Feb. 18, 2020, 5 a.m. N/A 5.4 ppb (5) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 5.5 μg/m3 (23) 23.0
 
Feb. 18, 2020, 4 a.m. N/A 4.0 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.5 μg/m3 (15) 18.0
 
Feb. 18, 2020, 3 a.m. N/A 2.8 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.6 μg/m3 (11) 20.0
 
Feb. 18, 2020, 2 a.m. N/A 5.2 ppb (5) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
Feb. 18, 2020, 1 a.m. N/A 10.6 ppb (10) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Feb. 18, 2020, midnight N/A 8.3 ppb (8) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Feb. 17, 2020, 11 p.m. N/A 5.2 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
Feb. 17, 2020, 10 p.m. N/A 3.9 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.4 μg/m3 (18) 24.0
 
Feb. 17, 2020, 9 p.m. N/A 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
Feb. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Feb. 17, 2020, 7 p.m. N/A 10.9 ppb (10) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 6.7 μg/m3 (28) 28.0
 
Feb. 17, 2020, 6 p.m. N/A 37.1 ppb (34) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 17.1 μg/m3 (61) 61.0
 
Feb. 17, 2020, 5 p.m. N/A 29.2 ppb (27) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 20.2 μg/m3 (67) 67.0
 
Feb. 17, 2020, 4 p.m. N/A 36.1 ppb (33) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 12.1 μg/m3 (50) 50.0
 
Feb. 17, 2020, 3 p.m. N/A 35.5 ppb (33) N/A 33.0 ppb (31) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 10.1 μg/m3 (42) 42.0
 
Feb. 17, 2020, 2 p.m. N/A 25.4 ppb (24) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 10.4 μg/m3 (43) 43.0
 
Feb. 17, 2020, 1 p.m. N/A 10.5 ppb (10) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 9.9 μg/m3 (41) 41.0
 
Feb. 17, 2020, noon N/A 4.9 ppb (5) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 7.3 μg/m3 (30) 30.0
 
Feb. 17, 2020, 11 a.m. N/A 4.1 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 7.9 μg/m3 (33) 33.0
 
Feb. 17, 2020, 10 a.m. N/A 0.2 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 6.6 μg/m3 (28) 28.0
 
Feb. 17, 2020, 9 a.m. N/A 0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Feb. 17, 2020, 8 a.m. N/A 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Feb. 17, 2020, 7 a.m. N/A 0.3 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.5 μg/m3 (15) 21.0
 
Feb. 17, 2020, 6 a.m. N/A 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Feb. 17, 2020, 5 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
Feb. 17, 2020, 4 a.m. N/A 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
Feb. 17, 2020, 3 a.m. N/A 2.4 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
Feb. 17, 2020, 2 a.m. N/A 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 11.8 μg/m3 (49) 49.0
 
Feb. 17, 2020, 1 a.m. N/A 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 14.1 μg/m3 (54) 54.0
 
Feb. 17, 2020, midnight N/A 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.9 μg/m3 (20) 24.0
 
Feb. 16, 2020, 11 p.m. N/A 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 3.8 μg/m3 (16) 27.0
 
Feb. 16, 2020, 10 p.m. N/A 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 2.6 μg/m3 (11) 27.0
 
Feb. 16, 2020, 9 p.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.9 μg/m3 (8) 26.0
 
Feb. 16, 2020, 8 p.m. N/A 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Feb. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Feb. 16, 2020, 6 p.m. N/A 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.9 μg/m3 (12) 25.0
 
Feb. 16, 2020, 5 p.m. N/A 1.2 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Feb. 16, 2020, 4 p.m. N/A 2.2 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.4 μg/m3 (18) 19.0
 
Feb. 16, 2020, 3 p.m. N/A 4.3 ppb (4) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 7.2 μg/m3 (30) 30.0
 
Feb. 16, 2020, 2 p.m. N/A 0.2 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 10.7 μg/m3 (45) 45.0
 
Feb. 16, 2020, 1 p.m. N/A 0.8 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 9.4 μg/m3 (39) 39.0
 
Feb. 16, 2020, noon N/A 0.8 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 7.5 μg/m3 (31) 31.0
 
Feb. 16, 2020, 11 a.m. N/A 0.9 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Feb. 16, 2020, 10 a.m. N/A 0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.7 μg/m3 (15) 24.0
 
Feb. 16, 2020, 9 a.m. N/A -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Feb. 16, 2020, 8 a.m. N/A -0.1 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Feb. 16, 2020, 7 a.m. N/A 0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
Feb. 16, 2020, 6 a.m. N/A 2.7 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.8 μg/m3 (12) 28.0
 
Feb. 16, 2020, 5 a.m. N/A 2.1 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Feb. 16, 2020, 4 a.m. N/A 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.9 μg/m3 (20) 28.0
 
Feb. 16, 2020, 3 a.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
Feb. 16, 2020, 2 a.m. N/A 1.3 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 5.6 μg/m3 (23) 26.0
 
Feb. 16, 2020, 1 a.m. N/A 4.4 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Feb. 16, 2020, midnight N/A 8.8 ppb (8) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
Feb. 15, 2020, 11 p.m. N/A 9.5 ppb (9) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Feb. 15, 2020, 10 p.m. N/A 7.8 ppb (7) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 1.5 μg/m3 (6) 27.0
 
Feb. 15, 2020, 9 p.m. N/A 5.8 ppb (5) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
Feb. 15, 2020, 8 p.m. N/A 4.2 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 1.4 μg/m3 (6) 27.0
 
Feb. 15, 2020, 7 p.m. N/A 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 2.0 μg/m3 (8) 24.0
 
Feb. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Feb. 15, 2020, 5 p.m. N/A 3.3 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
Feb. 15, 2020, 4 p.m. N/A 2.1 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Feb. 15, 2020, 3 p.m. N/A 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Feb. 15, 2020, 2 p.m. N/A 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Feb. 15, 2020, 1 p.m. N/A 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.1 μg/m3 (13) 23.0
 
Feb. 15, 2020, noon N/A 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.9 μg/m3 (8) 25.0
 
Feb. 15, 2020, 11 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Feb. 15, 2020, 10 a.m. N/A -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Feb. 15, 2020, 9 a.m. N/A 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 3.1 μg/m3 (13) 27.0
 
Feb. 15, 2020, 8 a.m. N/A 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 3.0 μg/m3 (12) 27.0
 
Feb. 15, 2020, 7 a.m. N/A 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 2.5 μg/m3 (10) 27.0
 
Feb. 15, 2020, 6 a.m. N/A 0.2 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
Feb. 15, 2020, 5 a.m. N/A 0.3 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.6 μg/m3 (23) 23.0
 
Feb. 15, 2020, 4 a.m. N/A 0.8 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 6.9 μg/m3 (29) 29.0
 
Feb. 15, 2020, 3 a.m. N/A 0.8 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 7.5 μg/m3 (31) 31.0
 
Feb. 15, 2020, 2 a.m. N/A 0.4 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 7.1 μg/m3 (30) 30.0
 
Feb. 15, 2020, 1 a.m. N/A 5.6 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 6.1 μg/m3 (25) 25.0
 
Feb. 15, 2020, midnight N/A 5.7 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
Feb. 14, 2020, 11 p.m. N/A 7.6 ppb (7) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.2 μg/m3 (5) 25.0
 
Feb. 14, 2020, 10 p.m. N/A 5.9 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Feb. 14, 2020, 9 p.m. N/A 3.6 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 1.2 μg/m3 (5) 26.0
 
Feb. 14, 2020, 8 p.m. N/A 4.1 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.7 μg/m3 (7) 24.0
 
Feb. 14, 2020, 7 p.m. N/A 4.9 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
Feb. 14, 2020, 6 p.m. N/A 7.0 ppb (6) N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
Feb. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Feb. 14, 2020, 4 p.m. N/A 1.9 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.4 μg/m3 (14) 20.0
 
Feb. 14, 2020, 3 p.m. N/A 0.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.4 μg/m3 (10) 20.0
 
Feb. 14, 2020, 2 p.m. N/A 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.6 μg/m3 (15) 21.0
 
Feb. 14, 2020, 1 p.m. N/A 2.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.7 μg/m3 (11) 24.0
 
Feb. 14, 2020, noon N/A 8.0 ppb (7) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
Feb. 14, 2020, 11 a.m. N/A 2.8 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Feb. 14, 2020, 10 a.m. N/A 2.1 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Feb. 14, 2020, 9 a.m. N/A 0.2 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 7.6 μg/m3 (32) 32.0
 
Feb. 14, 2020, 8 a.m. N/A 1.0 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.4 μg/m3 (31) 31.0
 
Feb. 14, 2020, 7 a.m. N/A 0.4 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
Feb. 14, 2020, 6 a.m. N/A 1.2 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
Feb. 14, 2020, 5 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0