AQSQID: 560130099

Site Name: South Pass

Location: Fremont Co, WY

Reporting: True, Located: True

Current AQI: 31.0

Fremont Co WY, US: 42.5275, -108.7203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 17, 2019, 10 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
July 17, 2019, 9 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
July 17, 2019, 8 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 17, 2019, 7 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 17, 2019, 6 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 17, 2019, 5 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 3.0 μg/m3 (12) 34.0
 
July 17, 2019, 4 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
July 17, 2019, 3 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 3.0 μg/m3 (12) 36.0
 
July 17, 2019, 2 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 17, 2019, 1 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
July 17, 2019, midnight 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
July 16, 2019, 11 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 3.0 μg/m3 (12) 42.0
 
July 16, 2019, 10 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
July 16, 2019, 9 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
July 16, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 16, 2019, 7 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
July 16, 2019, 6 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 16, 2019, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 16, 2019, 4 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
July 16, 2019, 3 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
July 16, 2019, 2 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 5.0 μg/m3 (21) 31.0
 
July 16, 2019, 1 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 16, 2019, noon 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 16, 2019, 11 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 16, 2019, 10 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
July 16, 2019, 9 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
July 16, 2019, 8 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 16, 2019, 7 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
July 16, 2019, 6 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 16, 2019, 5 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 16, 2019, 4 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
July 16, 2019, 3 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 16, 2019, 2 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 16, 2019, 1 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
July 16, 2019, midnight 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 15, 2019, 11 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
July 15, 2019, 10 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
July 15, 2019, 9 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
July 15, 2019, 8 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
July 15, 2019, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 15, 2019, 6 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 15, 2019, 5 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 15, 2019, 4 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 15, 2019, 3 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
July 15, 2019, 2 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 1 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 15, 2019, noon 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 15, 2019, 11 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 15, 2019, 10 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 15, 2019, 9 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 15, 2019, 8 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 15, 2019, 6 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 2.0 μg/m3 (8) 31.0
 
July 15, 2019, 5 a.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 15, 2019, 4 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 15, 2019, 3 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 15, 2019, 2 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 15, 2019, 1 a.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 15, 2019, midnight 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 14, 2019, 11 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 14, 2019, 10 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 14, 2019, 9 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 14, 2019, 8 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 14, 2019, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 14, 2019, 6 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 14, 2019, 5 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 14, 2019, 4 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 14, 2019, 3 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 2 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
July 14, 2019, 1 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
July 14, 2019, noon 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 14, 2019, 11 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 14, 2019, 10 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 14, 2019, 9 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 14, 2019, 8 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
July 14, 2019, 7 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
July 14, 2019, 6 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 14, 2019, 5 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
July 14, 2019, 4 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 14, 2019, 3 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 14, 2019, 2 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 14, 2019, 1 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 14, 2019, midnight 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
July 13, 2019, 11 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 13, 2019, 10 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
July 13, 2019, 9 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 13, 2019, 8 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
July 13, 2019, 7 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 13, 2019, 6 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
July 13, 2019, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 13, 2019, 4 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
July 13, 2019, 3 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 13, 2019, 2 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
July 13, 2019, 1 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
July 13, 2019, noon 0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
July 13, 2019, 11 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
July 13, 2019, 10 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
July 13, 2019, 9 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 13, 2019, 8 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 13, 2019, 7 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A -2.0 μg/m3 (0) 30.0
 
July 13, 2019, 6 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 13, 2019, 5 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
July 13, 2019, 4 a.m. 1.1 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
July 13, 2019, 3 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 7.0 μg/m3 (29) 31.0
 
July 13, 2019, 2 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 13, 2019, 1 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
July 13, 2019, midnight 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 12, 2019, 11 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
July 12, 2019, 10 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 12, 2019, 9 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
July 12, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 12, 2019, 7 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
July 12, 2019, 6 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 12, 2019, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 12, 2019, 4 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
July 12, 2019, 3 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 2 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2019, 1 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 12, 2019, noon 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 11 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
July 12, 2019, 10 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
July 12, 2019, 9 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 12, 2019, 8 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
July 12, 2019, 6 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
July 12, 2019, 5 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 12, 2019, 4 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
July 12, 2019, 3 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A -2.0 μg/m3 (0) 33.0
 
July 12, 2019, 2 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 3.0 μg/m3 (12) 34.0
 
July 12, 2019, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 12, 2019, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
July 11, 2019, 11 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 2.0 μg/m3 (8) 34.0
 
July 11, 2019, 10 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
July 11, 2019, 9 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
July 11, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
July 11, 2019, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 11, 2019, 6 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
July 11, 2019, 5 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
July 11, 2019, 4 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
July 11, 2019, 3 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 11, 2019, 2 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 11, 2019, 1 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 11, 2019, noon 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
July 11, 2019, 11 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 2.0 μg/m3 (8) 41.0
 
July 11, 2019, 10 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
July 11, 2019, 9 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 3.0 μg/m3 (12) 36.0
 
July 11, 2019, 8 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
July 11, 2019, 7 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
July 11, 2019, 6 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
July 11, 2019, 5 a.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 11, 2019, 4 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
July 11, 2019, 3 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
July 11, 2019, 2 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
July 11, 2019, 1 a.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
July 11, 2019, midnight 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
July 10, 2019, 11 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
July 10, 2019, 10 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
July 10, 2019, 9 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 10, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
July 10, 2019, 7 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 10, 2019, 6 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 3.0 μg/m3 (12) 37.0
 
July 10, 2019, 5 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
July 10, 2019, 4 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A 7.0 μg/m3 (29) 33.0
 
July 10, 2019, 3 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
July 10, 2019, 2 p.m. 7.9 ppb (7) 5.1 ppb (5) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
July 10, 2019, 1 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
July 10, 2019, noon 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 5.0 μg/m3 (21) 29.0
 
July 10, 2019, 11 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0