ID: 1170

AQSQID: 000101701

Site Name: Quesnel Senior Secondary

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

Updated: Oct. 16, 2021, 6:02 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 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 68.5 μg/m3 (158) 158.0
 
July 14, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 91.7 μg/m3 (170) 170.0
 
July 14, 2021, 5 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 128.0 μg/m3 (189) 189.0
 
July 14, 2021, 4 p.m. N/A N/A N/A 26.0 ppb (25) N/A 4.0 ppb (6) 21.0 ppb (20) N/A N/A 73.8 μg/m3 (161) 161.0
 
July 14, 2021, 3 p.m. N/A N/A N/A 17.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 43.5 μg/m3 (121) 121.0
 
July 14, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A 1.0 ppb (2) 5.0 ppb (5) N/A N/A 29.5 μg/m3 (88) 88.0
 
July 14, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A 1.0 ppb (2) 3.0 ppb (3) N/A N/A 29.1 μg/m3 (87) 87.0
 
July 14, 2021, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 28.1 μg/m3 (85) 85.0
 
July 14, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 30.9 μg/m3 (91) 91.0
 
July 14, 2021, 10 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 32.0 μg/m3 (93) 93.0
 
July 14, 2021, 9 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 32.5 μg/m3 (94) 94.0
 
July 14, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 33.5 μg/m3 (97) 97.0
 
July 14, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 26.0 ppb (25) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 14, 2021, 6 a.m. N/A N/A N/A 14.0 ppb (14) N/A 1.0 ppb (2) 21.0 ppb (20) N/A N/A 36.9 μg/m3 (105) 105.0
 
July 14, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 26.9 μg/m3 (83) 83.0
 
July 14, 2021, 4 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 24.7 μg/m3 (78) 78.0
 
July 14, 2021, 3 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (23) N/A N/A 25.8 μg/m3 (80) 80.0
 
July 14, 2021, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 24.3 μg/m3 (77) 77.0
 
July 14, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 30.5 μg/m3 (90) 90.0
 
July 14, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 28.5 μg/m3 (86) 86.0
 
July 13, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 31.0 μg/m3 (91) 91.0
 
July 13, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 45.7 μg/m3 (127) 127.0
 
July 13, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 42.8 μg/m3 (119) 119.0
 
July 13, 2021, 8 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 36.7 μg/m3 (104) 104.0
 
July 13, 2021, 7 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 38.8 μg/m3 (110) 110.0
 
July 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 38.3 μg/m3 (108) 108.0
 
July 13, 2021, 5 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 24.0 ppb (23) N/A N/A 42.7 μg/m3 (119) 119.0
 
July 13, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 2.0 ppb (3) 19.0 ppb (18) N/A N/A 41.0 μg/m3 (115) 115.0
 
July 13, 2021, 3 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 37.3 μg/m3 (106) 106.0
 
July 13, 2021, 2 p.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 38.0 μg/m3 (108) 108.0
 
July 13, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 40.1 μg/m3 (113) 113.0
 
July 13, 2021, noon N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 42.0 μg/m3 (118) 118.0
 
July 13, 2021, 11 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 43.4 μg/m3 (121) 121.0
 
July 13, 2021, 10 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 43.1 μg/m3 (120) 120.0
 
July 13, 2021, 9 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 43.4 μg/m3 (121) 121.0
 
July 13, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 4.0 ppb (4) N/A N/A 44.4 μg/m3 (123) 123.0
 
July 13, 2021, 7 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 38.0 μg/m3 (108) 108.0
 
July 13, 2021, 6 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 35.5 μg/m3 (101) 101.0
 
July 13, 2021, 5 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 36.5 μg/m3 (104) 104.0
 
July 13, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 35.5 μg/m3 (101) 101.0
 
July 13, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 31.9 μg/m3 (93) 93.0
 
July 13, 2021, 2 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 34.3 μg/m3 (98) 98.0
 
July 13, 2021, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 30.9 μg/m3 (91) 91.0
 
July 13, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 31.3 μg/m3 (92) 92.0
 
July 12, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 34.7 μg/m3 (99) 99.0
 
July 12, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 44.4 μg/m3 (123) 123.0
 
July 12, 2021, 9 p.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 43.1 μg/m3 (120) 120.0
 
July 12, 2021, 8 p.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 28.7 μg/m3 (86) 86.0
 
July 12, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 22.2 μg/m3 (73) 73.0
 
July 12, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 100.8 μg/m3 (175) 175.0
 
July 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 77.8 μg/m3 (163) 163.0
 
July 12, 2021, 4 p.m. N/A N/A N/A 25.0 ppb (24) N/A 18.0 ppb (26) 18.0 ppb (17) N/A N/A 85.2 μg/m3 (167) 167.0
 
July 12, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 4.0 ppb (6) 16.0 ppb (15) N/A N/A 46.1 μg/m3 (128) 128.0
 
July 12, 2021, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 41.5 μg/m3 (116) 116.0
 
July 12, 2021, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (11) N/A N/A 35.7 μg/m3 (102) 102.0
 
July 12, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 35.7 μg/m3 (102) 102.0
 
July 12, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 6.0 ppb (6) N/A N/A 38.9 μg/m3 (110) 110.0
 
July 12, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 7.0 ppb (7) N/A N/A 39.5 μg/m3 (111) 111.0
 
July 12, 2021, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 35.7 μg/m3 (102) 102.0
 
July 12, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 35.7 μg/m3 (102) 102.0
 
July 12, 2021, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 38.5 μg/m3 (109) 109.0
 
July 12, 2021, 6 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 43.5 μg/m3 (121) 121.0
 
July 12, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 47.0 μg/m3 (130) 130.0
 
July 12, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 49.5 μg/m3 (136) 136.0
 
July 12, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 51.9 μg/m3 (142) 142.0
 
July 12, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 51.1 μg/m3 (140) 140.0
 
July 12, 2021, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 54.6 μg/m3 (149) 149.0
 
July 12, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 43.1 μg/m3 (120) 120.0
 
July 11, 2021, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 30.0 ppb (28) N/A N/A 33.8 μg/m3 (97) 97.0
 
July 11, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 31.2 μg/m3 (92) 92.0
 
July 11, 2021, 9 p.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 31.6 μg/m3 (93) 93.0
 
July 11, 2021, 8 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 38.6 μg/m3 (109) 109.0
 
July 11, 2021, 7 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 48.1 μg/m3 (133) 133.0
 
July 11, 2021, 6 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 49.3 μg/m3 (135) 135.0
 
July 11, 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 45.8 μg/m3 (127) 127.0
 
July 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.7 μg/m3 (102) 102.0
 
July 11, 2021, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 14.4 μg/m3 (56) 56.0
 
July 11, 2021, 2 p.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 12.2 μg/m3 (52) 52.0
 
July 11, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 9.4 μg/m3 (40) 40.0
 
July 11, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 10.6 μg/m3 (45) 45.0
 
July 11, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 12.1 μg/m3 (51) 51.0
 
July 11, 2021, 10 a.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 10.5 μg/m3 (44) 44.0
 
July 11, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 9.2 μg/m3 (39) 39.0
 
July 11, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 9.9 μg/m3 (42) 42.0
 
July 11, 2021, 7 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 11, 2021, 6 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 7.1 μg/m3 (30) 30.0
 
July 11, 2021, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (20) N/A N/A 7.7 μg/m3 (33) 33.0
 
July 11, 2021, 4 a.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 9.8 μg/m3 (41) 41.0
 
July 11, 2021, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 15.1 μg/m3 (58) 58.0
 
July 11, 2021, 2 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) N/A N/A 14.2 μg/m3 (56) 56.0
 
July 11, 2021, 1 a.m. N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 4.1 μg/m3 (18) 28.0
 
July 11, 2021, midnight N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (2) 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
July 10, 2021, 11 p.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 4.0 μg/m3 (17) 27.0
 
July 10, 2021, 10 p.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 5.7 μg/m3 (24) 28.0
 
July 10, 2021, 9 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 5.8 μg/m3 (25) 26.0
 
July 10, 2021, 8 p.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 5.6 μg/m3 (24) 27.0
 
July 10, 2021, 7 p.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 7.0 μg/m3 (30) 30.0
 
July 10, 2021, 6 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 11.5 μg/m3 (48) 48.0
 
July 10, 2021, 5 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 20.5 μg/m3 (69) 69.0
 
July 10, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 38.6 μg/m3 (109) 109.0
 
July 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 49.4 μg/m3 (136) 136.0
 
July 10, 2021, 2 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 48.7 μg/m3 (134) 134.0
 
July 10, 2021, 1 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 45.4 μg/m3 (126) 126.0
 
July 10, 2021, noon N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (12) N/A N/A 48.8 μg/m3 (134) 134.0
 
July 10, 2021, 11 a.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 49.8 μg/m3 (137) 137.0
 
July 10, 2021, 10 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 55.3 μg/m3 (150) 150.0
 
July 10, 2021, 9 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 55.1 μg/m3 (150) 150.0
 
July 10, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 75.8 μg/m3 (162) 162.0
 
July 10, 2021, 7 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 46.5 μg/m3 (129) 129.0
 
July 10, 2021, 6 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (16) N/A N/A 41.1 μg/m3 (115) 115.0
 
July 10, 2021, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 42.8 μg/m3 (119) 119.0
 
July 10, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 28.0 ppb (26) N/A N/A 43.3 μg/m3 (121) 121.0
 
July 10, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 42.0 ppb (39) N/A N/A 44.7 μg/m3 (124) 124.0
 
July 10, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A 1.0 ppb (2) 54.0 ppb (50) N/A N/A 49.1 μg/m3 (135) 135.0
 
July 10, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 44.4 μg/m3 (123) 123.0
 
July 10, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 42.0 μg/m3 (118) 118.0
 
July 9, 2021, 11 p.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 36.0 μg/m3 (103) 103.0
 
July 9, 2021, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 44.8 μg/m3 (124) 124.0
 
July 9, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 48.9 μg/m3 (134) 134.0
 
July 9, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 51.8 μg/m3 (142) 142.0
 
July 9, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 62.5 μg/m3 (155) 155.0
 
July 9, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 56.8 μg/m3 (152) 152.0
 
July 9, 2021, 5 p.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 28.7 μg/m3 (86) 86.0
 
July 9, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (19) N/A N/A 35.8 μg/m3 (102) 102.0
 
July 9, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 34.5 μg/m3 (99) 99.0
 
July 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.4 μg/m3 (90) 90.0
 
July 9, 2021, 1 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 28.1 μg/m3 (85) 85.0
 
July 9, 2021, noon N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 26.6 μg/m3 (82) 82.0
 
July 9, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 24.2 μg/m3 (77) 77.0
 
July 9, 2021, 10 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 21.4 μg/m3 (71) 71.0
 
July 9, 2021, 9 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 9, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 9, 2021, 7 a.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 7.0 ppb (7) N/A N/A 21.1 μg/m3 (70) 70.0
 
July 9, 2021, 6 a.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (9) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 9, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 20.9 μg/m3 (70) 70.0
 
July 9, 2021, 4 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 22.5 μg/m3 (73) 73.0
 
July 9, 2021, 3 a.m. N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 25.9 μg/m3 (81) 81.0
 
July 9, 2021, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) N/A N/A 26.2 μg/m3 (81) 81.0
 
July 9, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 9, 2021, midnight N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 53.9 μg/m3 (147) 147.0
 
July 8, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (2) 37.0 ppb (35) N/A N/A 54.2 μg/m3 (148) 148.0
 
July 8, 2021, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 81.7 μg/m3 (165) 165.0
 
July 8, 2021, 9 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 112.3 μg/m3 (181) 181.0
 
July 8, 2021, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 94.0 μg/m3 (171) 171.0
 
July 8, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 98.2 μg/m3 (174) 174.0
 
July 8, 2021, 6 p.m. N/A N/A N/A 10.0 ppb (10) N/A 1.0 ppb (2) 29.0 ppb (27) N/A N/A 46.3 μg/m3 (128) 128.0
 
July 8, 2021, 5 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 18.0 ppb (17) N/A N/A 26.5 μg/m3 (82) 82.0
 
July 8, 2021, 4 p.m. N/A N/A N/A 12.0 ppb (12) N/A 1.0 ppb (2) 12.0 ppb (12) N/A N/A 26.7 μg/m3 (82) 82.0
 
July 8, 2021, 3 p.m. N/A N/A N/A 11.0 ppb (11) N/A 1.0 ppb (2) 11.0 ppb (11) N/A N/A 25.4 μg/m3 (79) 79.0
 
July 8, 2021, 2 p.m. N/A N/A N/A 13.0 ppb (13) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 24.2 μg/m3 (77) 77.0
 
July 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
July 8, 2021, noon N/A N/A N/A 7.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 19.7 μg/m3 (67) 67.0
 
July 8, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 20.4 μg/m3 (69) 69.0
 
July 8, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 6.0 ppb (6) N/A N/A 21.3 μg/m3 (71) 71.0
 
July 8, 2021, 9 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 22.3 μg/m3 (73) 73.0
 
July 8, 2021, 8 a.m. N/A N/A N/A 12.0 ppb (12) N/A 0.0 ppb (0) 8.0 ppb (8) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 8, 2021, 7 a.m. N/A N/A N/A 17.0 ppb (17) N/A 1.0 ppb (2) 8.0 ppb (8) N/A N/A 22.7 μg/m3 (74) 74.0
 
July 8, 2021, 6 a.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 19.4 μg/m3 (67) 67.0
 
July 8, 2021, 5 a.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 20.0 μg/m3 (68) 68.0
 
July 8, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 25.1 μg/m3 (79) 79.0
 
July 8, 2021, 3 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 20.2 μg/m3 (69) 69.0
 
July 8, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 8, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 18.1 μg/m3 (64) 64.0
 
July 8, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 18.6 μg/m3 (65) 65.0
 
July 7, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 17.8 μg/m3 (63) 63.0
 
July 7, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 21.8 μg/m3 (72) 72.0
 
July 7, 2021, 9 p.m. N/A N/A N/A 9.0 ppb (9) N/A 1.0 ppb (2) 41.0 ppb (38) N/A N/A 28.5 μg/m3 (86) 86.0
 
July 7, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 23.0 μg/m3 (74) 74.0