ID: 1170

AQSQID: 000101701

Site Name: Quesnel Senior Secondary

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

Updated: Aug. 1, 2021, 2:55 a.m.

Location: Quesnel (Callanan St), CC

Reporting: False, Located: True

Current AQI: None

Quesnel (Callanan St) CC, CA: 52.9822, -122.4922

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2021, 7 p.m. N/A N/A N/A 15.0 ppb (15) N/A 4.0 ppb (6) 42.0 ppb (39) N/A N/A 32.4 μg/m3 (94) 94.0
 
July 7, 2021, 6 p.m. N/A N/A N/A 13.0 ppb (13) N/A 2.0 ppb (3) 47.0 ppb (44) N/A N/A 48.2 μg/m3 (133) 133.0
 
July 7, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 36.0 ppb (34) N/A N/A 32.4 μg/m3 (94) 94.0
 
July 7, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A 4.0 ppb (6) 25.0 ppb (24) N/A N/A 35.8 μg/m3 (102) 102.0
 
July 7, 2021, 3 p.m. N/A N/A N/A 13.0 ppb (13) N/A 3.0 ppb (5) 16.0 ppb (15) N/A N/A 29.5 μg/m3 (88) 88.0
 
July 7, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 25.6 μg/m3 (80) 80.0
 
July 7, 2021, 1 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
July 7, 2021, 11 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 23.9 μg/m3 (76) 76.0
 
July 7, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 23.6 μg/m3 (76) 76.0
 
July 7, 2021, 9 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 26.9 μg/m3 (83) 83.0
 
July 7, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 25.8 μg/m3 (80) 80.0
 
July 7, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 21.9 μg/m3 (72) 72.0
 
July 7, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 18.8 μg/m3 (66) 66.0
 
July 7, 2021, 5 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 7, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 21.4 μg/m3 (71) 71.0
 
July 7, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 21.9 μg/m3 (72) 72.0
 
July 7, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 7, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 22.9 μg/m3 (74) 74.0
 
July 7, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 38.0 ppb (36) N/A N/A 22.2 μg/m3 (73) 73.0
 
July 6, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 6, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 13.9 μg/m3 (55) 55.0
 
July 6, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 11.1 μg/m3 (47) 47.0
 
July 6, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 6, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 12.8 μg/m3 (53) 53.0
 
July 6, 2021, 6 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 20.2 μg/m3 (69) 69.0
 
July 6, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 34.3 μg/m3 (98) 98.0
 
July 6, 2021, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 17.0 ppb (16) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 6, 2021, 3 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 14.0 ppb (13) N/A N/A 14.7 μg/m3 (57) 57.0
 
July 6, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 2.0 ppb (3) 16.0 ppb (15) N/A N/A 15.9 μg/m3 (59) 59.0
 
July 6, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 6, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 15.1 μg/m3 (58) 58.0
 
July 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
July 6, 2021, 10 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 9.7 μg/m3 (41) 41.0
 
July 6, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 6, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 6, 2021, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 6, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 6, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 13.4 μg/m3 (54) 54.0
 
July 6, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 10.2 μg/m3 (43) 43.0
 
July 6, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 9.8 μg/m3 (41) 41.0
 
July 6, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 6, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 8.9 μg/m3 (38) 38.0
 
July 6, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 5, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 5, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 4.7 μg/m3 (20) 25.0
 
July 5, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.8 μg/m3 (20) 24.0
 
July 5, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 4.6 μg/m3 (20) 21.0
 
July 5, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.3 μg/m3 (18) 18.0
 
July 5, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 5, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 5.5 μg/m3 (23) 23.0
 
July 5, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 6.3 μg/m3 (27) 27.0
 
July 5, 2021, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 5.3 μg/m3 (23) 23.0
 
July 5, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 5, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 4.6 μg/m3 (20) 20.0
 
July 5, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 5, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
July 5, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 5.2 μg/m3 (22) 22.0
 
July 5, 2021, 8 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 4.9 μg/m3 (21) 21.0
 
July 5, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 3.7 μg/m3 (16) 16.0
 
July 5, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 4.4 μg/m3 (19) 19.0
 
July 5, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 2.7 μg/m3 (12) 19.0
 
July 5, 2021, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
July 5, 2021, 3 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
July 5, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 3.6 μg/m3 (16) 19.0
 
July 5, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 2.0 ppb (3) 18.0 ppb (17) N/A N/A 6.3 μg/m3 (27) 27.0
 
July 5, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 4, 2021, 11 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
July 4, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 4, 2021, 9 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 4.5 μg/m3 (19) 19.0
 
July 4, 2021, 8 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 4.8 μg/m3 (20) 20.0
 
July 4, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 4, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 4, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 4, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 4, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 4.1 μg/m3 (18) 18.0
 
July 4, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 7.3 μg/m3 (31) 31.0
 
July 4, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 4, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 6.1 μg/m3 (26) 26.0
 
July 4, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 4.9 μg/m3 (21) 21.0
 
July 4, 2021, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 5.6 μg/m3 (24) 24.0
 
July 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
July 4, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 4, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 4, 2021, 6 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 10.7 μg/m3 (45) 45.0
 
July 4, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 4, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 18.6 μg/m3 (65) 65.0
 
July 4, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 21.8 μg/m3 (72) 72.0
 
July 4, 2021, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 26.4 μg/m3 (82) 82.0
 
July 4, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 23.5 μg/m3 (75) 75.0
 
July 4, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 3, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 6.4 μg/m3 (27) 27.0
 
July 3, 2021, 10 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 5.7 μg/m3 (24) 24.0
 
July 3, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 11.8 μg/m3 (50) 50.0
 
July 3, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 3, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 25.4 μg/m3 (79) 79.0
 
July 3, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 28.4 μg/m3 (86) 86.0
 
July 3, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 27.5 μg/m3 (84) 84.0
 
July 3, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 3, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 3, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 8.2 μg/m3 (35) 35.0
 
July 3, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 3, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 3, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 3, 2021, 10 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 3, 2021, 9 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 17.7 μg/m3 (63) 63.0
 
July 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
July 3, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 3, 2021, 6 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 14.7 μg/m3 (57) 57.0
 
July 3, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 19.6 μg/m3 (67) 67.0
 
July 3, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 3, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 14.3 μg/m3 (56) 56.0
 
July 3, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 3, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
July 2, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
July 2, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
July 2, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 2.3 μg/m3 (10) 21.0
 
July 2, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
July 2, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 3.0 μg/m3 (13) 22.0
 
July 2, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 3.1 μg/m3 (13) 21.0
 
July 2, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (22) N/A N/A 4.4 μg/m3 (19) 22.0
 
July 2, 2021, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
July 2, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 2, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 2, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 14.8 μg/m3 (57) 57.0
 
July 2, 2021, noon N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 2, 2021, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 11.7 μg/m3 (49) 49.0
 
July 2, 2021, 10 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 10.8 μg/m3 (46) 46.0
 
July 2, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
July 2, 2021, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 16.2 μg/m3 (60) 60.0
 
July 2, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 15.6 μg/m3 (59) 59.0
 
July 2, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 16.4 μg/m3 (61) 61.0
 
July 2, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) N/A N/A 17.4 μg/m3 (63) 63.0
 
July 2, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 19.1 μg/m3 (66) 66.0
 
July 2, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 12.4 μg/m3 (52) 52.0
 
July 2, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 1, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 9.5 μg/m3 (40) 40.0
 
July 1, 2021, 10 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 1, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 1, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 9.1 μg/m3 (38) 38.0
 
July 1, 2021, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 1, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 8.3 μg/m3 (35) 35.0
 
July 1, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.9 μg/m3 (33) 33.0
 
July 1, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 7.8 μg/m3 (33) 33.0
 
July 1, 2021, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 15.8 μg/m3 (59) 59.0
 
July 1, 2021, 2 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 1, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 12.9 μg/m3 (53) 53.0
 
July 1, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 12.6 μg/m3 (53) 53.0
 
July 1, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 12.3 μg/m3 (52) 52.0
 
July 1, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 11.3 μg/m3 (48) 48.0
 
July 1, 2021, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 13.2 μg/m3 (54) 54.0
 
July 1, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 1, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 12.2 μg/m3 (52) 52.0
 
July 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
July 1, 2021, 5 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 16.6 μg/m3 (61) 61.0
 
July 1, 2021, 4 a.m. N/A N/A N/A 8.0 ppb (8) N/A 1.0 ppb (2) 0.0 ppb (0) N/A N/A 14.5 μg/m3 (57) 57.0
 
July 1, 2021, 3 a.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 2.0 ppb (2) N/A N/A 15.7 μg/m3 (59) 59.0
 
July 1, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 13.8 μg/m3 (55) 55.0
 
July 1, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A 3.0 ppb (5) 9.0 ppb (9) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 1, 2021, midnight N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 15.1 μg/m3 (58) 58.0
 
June 30, 2021, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 14.1 μg/m3 (56) 56.0
 
June 30, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 13.3 μg/m3 (54) 54.0
 
June 30, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 11.9 μg/m3 (50) 50.0
 
June 30, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 11.1 μg/m3 (47) 47.0
 
June 30, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 11.1 μg/m3 (47) 47.0