ID: 1166

AQSQID: 000100202

Site Name: Prg Plaza 400

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 28, 2020, 8:38 p.m.

Location: Prince George (Civic Centre), CC

Reporting: True, Located: True

Current AQI: 15.0

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
Sept. 28, 2020, 8 p.m. N/A 3.8 ppb (4) N/A 7.0 ppb (6) N/A N/A 11.0 ppb (8) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 28, 2020, 6 p.m. N/A 2.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 28, 2020, 5 p.m. N/A 3.5 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 28, 2020, 4 p.m. N/A 3.8 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 28, 2020, 3 p.m. N/A 2.9 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 28, 2020, 2 p.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 28, 2020, 1 p.m. N/A 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 28, 2020, noon N/A 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 28, 2020, 11 a.m. N/A 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 2.7 μg/m3 (11) 14.0
 
Sept. 28, 2020, 10 a.m. N/A 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.7 μg/m3 (11) 15.0
 
Sept. 28, 2020, 9 a.m. N/A 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
Sept. 28, 2020, 8 a.m. N/A 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.4 μg/m3 (10) 17.0
 
Sept. 28, 2020, 7 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
Sept. 28, 2020, 6 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.9 μg/m3 (12) 17.0
 
Sept. 28, 2020, 5 a.m. N/A -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 28, 2020, 4 a.m. N/A 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Sept. 28, 2020, 3 a.m. N/A 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
Sept. 28, 2020, 2 a.m. N/A 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
Sept. 28, 2020, 1 a.m. N/A 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
Sept. 28, 2020, midnight N/A 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.3 μg/m3 (14) 15.0
 
Sept. 27, 2020, 11 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
Sept. 27, 2020, 10 p.m. N/A 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
Sept. 27, 2020, 9 p.m. N/A 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
Sept. 27, 2020, 8 p.m. N/A 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
Sept. 27, 2020, 7 p.m. N/A 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (15) N/A N/A 2.5 μg/m3 (10) 15.0
 
Sept. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 27, 2020, 5 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 2.7 μg/m3 (11) 13.0
 
Sept. 27, 2020, 4 p.m. N/A 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 27, 2020, 3 p.m. N/A 6.9 ppb (6) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 27, 2020, 2 p.m. N/A 9.2 ppb (9) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 27, 2020, 1 p.m. N/A 5.7 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 27, 2020, noon N/A 3.3 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 27, 2020, 11 a.m. N/A 2.6 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 27, 2020, 10 a.m. N/A 1.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 27, 2020, 9 a.m. N/A 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 27, 2020, 8 a.m. N/A 0.5 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 27, 2020, 7 a.m. N/A 1.2 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 27, 2020, 6 a.m. N/A 2.8 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 5 a.m. N/A 1.9 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 27, 2020, 4 a.m. N/A 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 27, 2020, 3 a.m. N/A 0.4 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 27, 2020, 2 a.m. N/A 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 27, 2020, 1 a.m. N/A 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.3 μg/m3 (18) 23.0
 
Sept. 27, 2020, midnight N/A 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
Sept. 26, 2020, 11 p.m. N/A 1.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.4 μg/m3 (10) 23.0
 
Sept. 26, 2020, 10 p.m. N/A 1.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 2.4 μg/m3 (10) 25.0
 
Sept. 26, 2020, 9 p.m. N/A 1.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 2.3 μg/m3 (10) 27.0
 
Sept. 26, 2020, 8 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 2.4 μg/m3 (10) 27.0
 
Sept. 26, 2020, 7 p.m. N/A 1.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 2.4 μg/m3 (10) 26.0
 
Sept. 26, 2020, 6 p.m. N/A 1.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A 2.3 μg/m3 (10) 24.0
 
Sept. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 26, 2020, 4 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
Sept. 26, 2020, 3 p.m. N/A 4.3 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 26, 2020, 2 p.m. N/A 1.4 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 26, 2020, 1 p.m. N/A 1.7 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 26, 2020, noon N/A 1.9 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 26, 2020, 11 a.m. N/A 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 26, 2020, 10 a.m. N/A 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 26, 2020, 9 a.m. N/A 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 26, 2020, 8 a.m. N/A 1.0 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 26, 2020, 7 a.m. N/A 0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 26, 2020, 6 a.m. N/A 0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 26, 2020, 5 a.m. N/A 0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 26, 2020, 4 a.m. N/A -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 26, 2020, 3 a.m. N/A 0.4 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 26, 2020, 2 a.m. N/A 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 26, 2020, 1 a.m. N/A 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.3 μg/m3 (18) 20.0
 
Sept. 26, 2020, midnight N/A 3.2 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Sept. 25, 2020, 11 p.m. N/A 3.2 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.7 μg/m3 (11) 23.0
 
Sept. 25, 2020, 10 p.m. N/A 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
Sept. 25, 2020, 9 p.m. N/A 3.3 ppb (3) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 19.0 ppb (15) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 25, 2020, 8 p.m. N/A 2.8 ppb (3) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 25, 2020, 7 p.m. N/A 2.9 ppb (3) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 25, 2020, 6 p.m. N/A 2.6 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 25, 2020, 5 p.m. N/A 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 25, 2020, 3 p.m. N/A 1.4 ppb (1) N/A 5.0 ppb (5) N/A 3.0 ppb (4) 21.0 ppb (16) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 25, 2020, 2 p.m. N/A 4.6 ppb (4) N/A 8.0 ppb (7) N/A 4.0 ppb (6) 11.0 ppb (8) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 25, 2020, 1 p.m. N/A 9.7 ppb (9) N/A 10.0 ppb (9) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 25, 2020, noon N/A 1.2 ppb (1) N/A 7.0 ppb (6) N/A 3.0 ppb (4) 2.0 ppb (2) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 25, 2020, 11 a.m. N/A 1.7 ppb (2) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 25, 2020, 10 a.m. N/A 3.1 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 25, 2020, 9 a.m. N/A 4.5 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 25, 2020, 8 a.m. N/A 3.4 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 2.0 ppb (2) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 25, 2020, 7 a.m. N/A 6.3 ppb (6) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 25, 2020, 6 a.m. N/A 10.4 ppb (10) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 5 a.m. N/A 5.5 ppb (5) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 25, 2020, 4 a.m. N/A 3.0 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 25, 2020, 3 a.m. N/A 2.0 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 25, 2020, 2 a.m. N/A 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 25, 2020, 1 a.m. N/A 1.2 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 25, 2020, midnight N/A 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
Sept. 24, 2020, 11 p.m. N/A 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 24, 2020, 10 p.m. N/A 1.8 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Sept. 24, 2020, 9 p.m. N/A 2.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Sept. 24, 2020, 8 p.m. N/A 2.1 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 1.9 μg/m3 (8) 16.0
 
Sept. 24, 2020, 7 p.m. N/A 1.7 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
Sept. 24, 2020, 6 p.m. N/A 3.2 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Sept. 24, 2020, 5 p.m. N/A 2.7 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 24, 2020, 4 p.m. N/A 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) N/A N/A 2.1 μg/m3 (9) 13.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 24, 2020, 2 p.m. N/A 1.2 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 24, 2020, 1 p.m. N/A 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 2.7 μg/m3 (11) 12.0
 
Sept. 24, 2020, noon N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 24, 2020, 11 a.m. N/A 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 24, 2020, 10 a.m. N/A 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 24, 2020, 9 a.m. N/A -0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 24, 2020, 8 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 24, 2020, 7 a.m. N/A 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 24, 2020, 6 a.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 3.9 μg/m3 (16) 20.0
 
Sept. 24, 2020, 5 a.m. N/A -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
Sept. 24, 2020, 4 a.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 4.7 μg/m3 (20) 22.0
 
Sept. 24, 2020, 3 a.m. N/A -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 24, 2020, 2 a.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
Sept. 24, 2020, 1 a.m. N/A -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 24, 2020, midnight N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
Sept. 23, 2020, 11 p.m. N/A 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.1 μg/m3 (17) 22.0
 
Sept. 23, 2020, 10 p.m. N/A 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 23, 2020, 9 p.m. N/A 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Sept. 23, 2020, 8 p.m. N/A 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.3 μg/m3 (18) 22.0
 
Sept. 23, 2020, 7 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 4.4 μg/m3 (18) 22.0
 
Sept. 23, 2020, 6 p.m. N/A 2.2 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 23, 2020, 5 p.m. N/A 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 23, 2020, 4 p.m. N/A 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 4.8 μg/m3 (20) 22.0
 
Sept. 23, 2020, 3 p.m. N/A 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 23, 2020, 1 p.m. N/A 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 23, 2020, noon N/A -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 23, 2020, 11 a.m. N/A -0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 23, 2020, 10 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 23, 2020, 9 a.m. N/A 3.1 ppb (3) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 23, 2020, 8 a.m. N/A 6.6 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 23, 2020, 7 a.m. N/A 24.5 ppb (23) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 23, 2020, 6 a.m. N/A 14.2 ppb (13) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 21.8 μg/m3 (71) 71.0
 
Sept. 23, 2020, 5 a.m. N/A 12.5 ppb (12) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 22.0 μg/m3 (71) 71.0
 
Sept. 23, 2020, 4 a.m. N/A 9.5 ppb (9) N/A 13.0 ppb (12) N/A 2.0 ppb (3) 0.0 ppb (0) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 23, 2020, 3 a.m. N/A 5.4 ppb (5) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A 21.5 μg/m3 (70) 70.0
 
Sept. 23, 2020, 2 a.m. N/A 2.2 ppb (2) N/A 13.0 ppb (12) N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 23, 2020, 1 a.m. N/A 2.9 ppb (3) N/A 11.0 ppb (10) N/A 5.0 ppb (7) 12.0 ppb (9) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 23, 2020, midnight N/A 2.3 ppb (2) N/A 7.0 ppb (6) N/A 8.0 ppb (11) 19.0 ppb (15) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 22, 2020, 11 p.m. N/A 2.0 ppb (2) N/A 5.0 ppb (5) N/A 4.0 ppb (6) 20.0 ppb (15) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 22, 2020, 10 p.m. N/A 2.0 ppb (2) N/A 4.0 ppb (4) N/A 8.0 ppb (11) 20.0 ppb (15) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 22, 2020, 9 p.m. N/A 3.1 ppb (3) N/A 5.0 ppb (5) N/A 12.0 ppb (17) 19.0 ppb (15) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 22, 2020, 8 p.m. N/A 3.1 ppb (3) N/A 4.0 ppb (4) N/A 7.0 ppb (10) 15.0 ppb (12) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 22, 2020, 7 p.m. N/A 3.4 ppb (3) N/A 3.0 ppb (3) N/A 3.0 ppb (4) 10.0 ppb (8) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 22, 2020, 6 p.m. N/A 5.9 ppb (5) N/A 3.0 ppb (3) N/A 3.0 ppb (4) 8.0 ppb (6) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 22, 2020, 5 p.m. N/A 8.6 ppb (8) N/A 5.0 ppb (5) N/A 4.0 ppb (6) 6.0 ppb (5) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 22, 2020, 4 p.m. N/A 12.4 ppb (11) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 22, 2020, 3 p.m. N/A 6.8 ppb (6) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 22, 2020, 2 p.m. N/A 4.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 1.0 ppb (1) N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 22, 2020, noon N/A 8.0 ppb (7) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 22, 2020, 11 a.m. N/A 1.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 1.0 ppb (1) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 22, 2020, 10 a.m. N/A 8.5 ppb (8) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 22, 2020, 9 a.m. N/A 5.4 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 22, 2020, 8 a.m. N/A 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 22, 2020, 7 a.m. N/A 0.9 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 22, 2020, 6 a.m. N/A 0.9 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 22, 2020, 5 a.m. N/A 1.2 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 22, 2020, 4 a.m. N/A 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 22, 2020, 3 a.m. N/A 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 22, 2020, 2 a.m. N/A 1.2 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 22, 2020, 1 a.m. N/A 1.2 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 22, 2020, midnight N/A 1.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 21, 2020, 11 p.m. N/A 1.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 21, 2020, 10 p.m. N/A 0.9 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 21, 2020, 9 p.m. N/A 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 6.9 μg/m3 (29) 29.0