ID: 1649

AQSQID: 000091101

Site Name: Elk Island

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

Updated: Sept. 21, 2020, 2:38 p.m.

Location: Improvement Dist No. 13 (Rng Rd 203 Rng Rd), CC

Reporting: True, Located: True

Current AQI: 15.0

Improvement Dist No. 13 (Rng Rd 203 Rng Rd) CC, CA: 53.6825, -112.8686

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.6 μg/m3 (15) 18.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.2 μg/m3 (13) 23.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.9 μg/m3 (16) 23.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 4.4 μg/m3 (18) 23.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.7 μg/m3 (32) 32.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 22.9 μg/m3 (73) 73.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 31.3 μg/m3 (91) 91.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 48.5 μg/m3 (132) 132.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 54.1 μg/m3 (146) 146.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 51.2 μg/m3 (139) 139.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 45.0 μg/m3 (124) 124.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 42.5 μg/m3 (118) 118.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 43.6 μg/m3 (120) 120.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 34.2 μg/m3 (97) 97.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 31.2 μg/m3 (91) 91.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 30.3 μg/m3 (89) 89.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 30.9 μg/m3 (90) 90.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 32.5 μg/m3 (94) 94.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 35.9 μg/m3 (101) 101.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 33.7 μg/m3 (96) 96.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 28.1 μg/m3 (84) 84.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 27.7 μg/m3 (83) 83.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 29.0 μg/m3 (86) 86.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 29.5 μg/m3 (87) 87.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 29.8 μg/m3 (88) 88.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 29.3 μg/m3 (87) 87.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 30.0 μg/m3 (88) 88.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 30.0 μg/m3 (88) 88.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 28.6 μg/m3 (85) 85.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 27.7 μg/m3 (83) 83.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 28.4 μg/m3 (85) 85.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (84) 84.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 29.7 μg/m3 (88) 88.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 30.9 μg/m3 (90) 90.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 34.4 μg/m3 (98) 98.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 36.7 μg/m3 (103) 103.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 31.0 μg/m3 (90) 90.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 29.5 μg/m3 (87) 87.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 29.3 μg/m3 (87) 87.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 29.6 μg/m3 (87) 87.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 26.3 μg/m3 (80) 80.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 26.2 μg/m3 (80) 80.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 26.2 μg/m3 (80) 80.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 6.1 μg/m3 (25) 28.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 6.3 μg/m3 (26) 27.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.5 μg/m3 (27) 27.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 16.5 μg/m3 (60) 60.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.4 μg/m3 (14) 16.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 3.8 μg/m3 (16) 16.0