AQSQID: 000091301

Site Name: Tomahawk

Location: Range Rd 90, CC

Reporting: True, Located: True

Current AQI: 36.0

Range Rd 90 CC, CA: 53.37, -115.1906

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.1 μg/m3 (17) 36.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.1 μg/m3 (13) 36.0
 
March 18, 2019, 10 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
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 8.5 μg/m3 (35) 35.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.5 μg/m3 (19) 35.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 3.9 μg/m3 (16) 36.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 3.0 μg/m3 (12) 44.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 2.8 μg/m3 (12) 45.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 2.6 μg/m3 (11) 45.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 2.2 μg/m3 (9) 44.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 2.3 μg/m3 (10) 45.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 2.0 μg/m3 (8) 46.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 1.9 μg/m3 (8) 46.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 1.7 μg/m3 (7) 45.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 1.6 μg/m3 (7) 45.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 1.7 μg/m3 (7) 45.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 1.7 μg/m3 (7) 44.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.2 μg/m3 (9) 41.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 4.3 μg/m3 (18) 34.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.6 μg/m3 (19) 32.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.1 μg/m3 (21) 32.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 6.8 μg/m3 (28) 36.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 6.2 μg/m3 (26) 37.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 5.7 μg/m3 (24) 38.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 4.2 μg/m3 (18) 39.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 4.7 μg/m3 (20) 41.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 5.6 μg/m3 (23) 42.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 4.0 μg/m3 (17) 44.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 3.3 μg/m3 (14) 45.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 2.9 μg/m3 (12) 45.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 1.9 μg/m3 (8) 45.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 2.0 μg/m3 (8) 44.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 2.4 μg/m3 (10) 43.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.9 μg/m3 (12) 42.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 7.3 μg/m3 (30) 30.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.9 μg/m3 (16) 31.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 5.3 μg/m3 (22) 30.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.7 μg/m3 (28) 32.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.4 μg/m3 (14) 39.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.2 μg/m3 (18) 38.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.1 μg/m3 (9) 42.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.0 μg/m3 (8) 42.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.1 μg/m3 (9) 42.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 2.1 μg/m3 (9) 42.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.0 μg/m3 (8) 41.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.0 μg/m3 (8) 41.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.9 μg/m3 (8) 40.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 1.9 μg/m3 (8) 39.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.6 μg/m3 (11) 35.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.1 μg/m3 (21) 37.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 5.9 μg/m3 (25) 38.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 3.6 μg/m3 (15) 41.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 7.9 μg/m3 (33) 35.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 4.7 μg/m3 (20) 35.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 8.0 μg/m3 (33) 37.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 5.2 μg/m3 (22) 37.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 3.8 μg/m3 (16) 39.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.4 μg/m3 (10) 41.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 1.7 μg/m3 (7) 42.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 3.1 μg/m3 (13) 42.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 1.4 μg/m3 (6) 40.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.2 μg/m3 (9) 39.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 1.7 μg/m3 (7) 38.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.9 μg/m3 (12) 35.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.2 μg/m3 (9) 29.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.6 μg/m3 (15) 26.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 2.4 μg/m3 (10) 28.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.7 μg/m3 (7) 32.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.1 μg/m3 (13) 30.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.5 μg/m3 (19) 30.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 4.4 μg/m3 (18) 32.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 5.4 μg/m3 (23) 33.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 4.9 μg/m3 (20) 35.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.3 μg/m3 (18) 36.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.0 μg/m3 (12) 37.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.7 μg/m3 (11) 36.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.1 μg/m3 (13) 29.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.3 μg/m3 (18) 26.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.5 μg/m3 (23) 29.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.9 μg/m3 (20) 29.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 2.5 μg/m3 (10) 32.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.8 μg/m3 (24) 32.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.2 μg/m3 (22) 34.0
 
March 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
March 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.5 μg/m3 (10) 35.0
 
March 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 2.2 μg/m3 (9) 35.0
 
March 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
March 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.2 μg/m3 (9) 36.0
 
March 13, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.6 μg/m3 (11) 38.0
 
March 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.5 μg/m3 (10) 39.0
 
March 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.5 μg/m3 (10) 39.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.5 μg/m3 (10) 40.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 2.4 μg/m3 (10) 40.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.4 μg/m3 (10) 39.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.2 μg/m3 (9) 38.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.2 μg/m3 (9) 36.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.7 μg/m3 (11) 32.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 2.9 μg/m3 (12) 28.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 3.8 μg/m3 (16) 29.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.7 μg/m3 (11) 33.0
 
March 12, 2019, 10 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
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.9 μg/m3 (20) 29.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
March 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 5.7 μg/m3 (24) 34.0
 
March 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
March 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
March 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 3.5 μg/m3 (15) 37.0
 
March 12, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 2.6 μg/m3 (11) 39.0
 
March 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
March 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
March 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 2.1 μg/m3 (9) 38.0
 
March 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 2.4 μg/m3 (10) 36.0
 
March 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.9 μg/m3 (12) 33.0
 
March 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
March 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 5.3 μg/m3 (22) 28.0
 
March 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
March 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 4.8 μg/m3 (20) 25.0
 
March 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.8 μg/m3 (32) 32.0
 
March 11, 2019, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.4 μg/m3 (27) 33.0
 
March 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.6 μg/m3 (28) 35.0
 
March 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
March 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 8.6 μg/m3 (36) 36.0
 
March 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 7.9 μg/m3 (33) 38.0
 
March 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.5 μg/m3 (35) 39.0
 
March 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 8.7 μg/m3 (36) 39.0
 
March 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 7.9 μg/m3 (33) 40.0