ID: 1649

AQSQID: 000091101

Site Name: Elk Island

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

Updated: Dec. 4, 2020, 6:41 p.m.

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

Reporting: True, Located: True

Current AQI: 31.0

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
Dec. 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 5.6 μg/m3 (24) 24.0
 
Dec. 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 7.4 μg/m3 (31) 31.0
 
Dec. 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Dec. 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 10.2 μg/m3 (43) 43.0
 
Dec. 4, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
Dec. 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 7.5 μg/m3 (32) 32.0
 
Dec. 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 6.3 μg/m3 (27) 27.0
 
Dec. 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 6.8 μg/m3 (29) 29.0
 
Dec. 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 6.5 μg/m3 (28) 28.0
 
Dec. 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 6.9 μg/m3 (29) 29.0
 
Dec. 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 7.9 μg/m3 (33) 33.0
 
Dec. 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 10.0 μg/m3 (42) 42.0
 
Dec. 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 10.8 μg/m3 (46) 46.0
 
Dec. 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 10.4 μg/m3 (44) 44.0
 
Dec. 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 9.7 μg/m3 (41) 41.0
 
Dec. 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 9.4 μg/m3 (40) 40.0
 
Dec. 4, 2020, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 8.5 μg/m3 (36) 36.0
 
Dec. 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 8.8 μg/m3 (37) 37.0
 
Dec. 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 8.9 μg/m3 (38) 38.0
 
Dec. 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 7.6 μg/m3 (32) 32.0
 
Dec. 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 6.1 μg/m3 (26) 26.0
 
Dec. 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.5 μg/m3 (23) 23.0
 
Dec. 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
Dec. 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.7 μg/m3 (16) 20.0
 
Dec. 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.5 μg/m3 (15) 19.0
 
Dec. 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
Dec. 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Dec. 3, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Dec. 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
Dec. 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.6 μg/m3 (11) 32.0
 
Dec. 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.6 μg/m3 (7) 36.0
 
Dec. 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Dec. 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
Dec. 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.7 μg/m3 (8) 30.0
 
Dec. 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.8 μg/m3 (12) 26.0
 
Dec. 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.5 μg/m3 (15) 21.0
 
Dec. 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Dec. 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.2 μg/m3 (14) 21.0
 
Dec. 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.1 μg/m3 (13) 23.0
 
Dec. 3, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.2 μg/m3 (14) 22.0
 
Dec. 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.2 μg/m3 (14) 27.0
 
Dec. 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.3 μg/m3 (14) 30.0
 
Dec. 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.2 μg/m3 (14) 34.0
 
Dec. 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.2 μg/m3 (14) 32.0
 
Dec. 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
Dec. 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
Dec. 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.9 μg/m3 (13) 28.0
 
Dec. 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Dec. 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Dec. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.9 μg/m3 (17) 24.0
 
Dec. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Dec. 2, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 3.9 μg/m3 (17) 19.0
 
Dec. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.1 μg/m3 (18) 22.0
 
Dec. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Dec. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
Dec. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Dec. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.7 μg/m3 (16) 29.0
 
Dec. 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Dec. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
Dec. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
Dec. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.3 μg/m3 (6) 32.0
 
Dec. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.6 μg/m3 (7) 30.0
 
Dec. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.6 μg/m3 (7) 29.0
 
Dec. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.7 μg/m3 (8) 28.0
 
Dec. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 0.9 μg/m3 (4) 28.0
 
Dec. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
Dec. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.8 μg/m3 (4) 26.0
 
Dec. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.8 μg/m3 (4) 30.0
 
Dec. 1, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.9 μg/m3 (4) 31.0
 
Dec. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.3 μg/m3 (6) 27.0
 
Dec. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.3 μg/m3 (6) 29.0
 
Dec. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.3 μg/m3 (6) 31.0
 
Dec. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.1 μg/m3 (5) 31.0
 
Dec. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.4 μg/m3 (2) 32.0
 
Dec. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.4 μg/m3 (2) 33.0
 
Dec. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.9 μg/m3 (21) 26.0
 
Dec. 1, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.6 μg/m3 (20) 23.0
 
Nov. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.1 μg/m3 (22) 22.0
 
Nov. 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.7 μg/m3 (16) 29.0
 
Nov. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Nov. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.2 μg/m3 (10) 37.0
 
Nov. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 2.3 μg/m3 (10) 34.0
 
Nov. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.5 μg/m3 (11) 33.0
 
Nov. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.9 μg/m3 (13) 32.0
 
Nov. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.3 μg/m3 (14) 30.0
 
Nov. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
Nov. 30, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.4 μg/m3 (15) 28.0
 
Nov. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
Nov. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.5 μg/m3 (15) 29.0
 
Nov. 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.9 μg/m3 (17) 27.0
 
Nov. 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.1 μg/m3 (18) 27.0
 
Nov. 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Nov. 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Nov. 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Nov. 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Nov. 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Nov. 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
Nov. 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.6 μg/m3 (16) 29.0
 
Nov. 30, 2020, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.6 μg/m3 (16) 27.0
 
Nov. 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
Nov. 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0
 
Nov. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.7 μg/m3 (12) 29.0
 
Nov. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
Nov. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.6 μg/m3 (16) 25.0
 
Nov. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.4 μg/m3 (19) 25.0
 
Nov. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.3 μg/m3 (18) 24.0
 
Nov. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.4 μg/m3 (19) 22.0
 
Nov. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
Nov. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.4 μg/m3 (19) 25.0
 
Nov. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Nov. 29, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.6 μg/m3 (20) 26.0
 
Nov. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Nov. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Nov. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Nov. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
Nov. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.1 μg/m3 (18) 26.0
 
Nov. 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
Nov. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.6 μg/m3 (16) 24.0
 
Nov. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.9 μg/m3 (17) 24.0
 
Nov. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Nov. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
Nov. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Nov. 29, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
Nov. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.7 μg/m3 (12) 32.0
 
Nov. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.8 μg/m3 (12) 33.0
 
Nov. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.7 μg/m3 (12) 33.0
 
Nov. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.9 μg/m3 (13) 31.0
 
Nov. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
Nov. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
Nov. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.7 μg/m3 (8) 30.0
 
Nov. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.1 μg/m3 (9) 30.0
 
Nov. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
Nov. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
Nov. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
Nov. 28, 2020, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 11.1 μg/m3 (47) 47.0
 
Nov. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 13.4 μg/m3 (54) 54.0
 
Nov. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 9.4 μg/m3 (40) 40.0
 
Nov. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 8.0 μg/m3 (34) 34.0
 
Nov. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 8.4 μg/m3 (36) 36.0
 
Nov. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 7.2 μg/m3 (31) 31.0
 
Nov. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Nov. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
Nov. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.9 μg/m3 (13) 22.0
 
Nov. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Nov. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
Nov. 28, 2020, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.5 μg/m3 (7) 31.0
 
Nov. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.3 μg/m3 (6) 33.0
 
Nov. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
Nov. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.1 μg/m3 (5) 35.0
 
Nov. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
Nov. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.7 μg/m3 (3) 36.0
 
Nov. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.8 μg/m3 (4) 34.0
 
Nov. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
Nov. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.0 μg/m3 (5) 30.0
 
Nov. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.9 μg/m3 (4) 30.0
 
Nov. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.9 μg/m3 (4) 29.0
 
Nov. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 1.5 μg/m3 (7) 27.0
 
Nov. 27, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
Nov. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.4 μg/m3 (15) 22.0
 
Nov. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Nov. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.5 μg/m3 (15) 22.0
 
Nov. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.6 μg/m3 (16) 23.0
 
Nov. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
Nov. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.4 μg/m3 (15) 24.0
 
Nov. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.6 μg/m3 (16) 24.0
 
Nov. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Nov. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.2 μg/m3 (14) 28.0