ID: 1762

AQSQID: 560130099

Site Name: South Pass

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

Updated: April 10, 2021, 12:43 p.m.

Location: Lander (Atlantic City Rd), WY

Reporting: True, Located: True

Current AQI: 44.0

Lander (Atlantic City Rd) WY, US: 42.5275, -108.7203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 10, 2021, 10 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A N/A -2.0 μg/m3 (0) 44.0
 
April 10, 2021, 9 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A N/A -2.0 μg/m3 (0) 44.0
 
April 10, 2021, 8 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 0.0 μg/m3 (0) 43.0
 
April 10, 2021, 7 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 2.0 μg/m3 (9) 43.0
 
April 10, 2021, 6 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 2.0 μg/m3 (9) 43.0
 
April 10, 2021, 5 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A -2.0 μg/m3 (0) 45.0
 
April 10, 2021, 4 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 1.0 μg/m3 (5) 46.0
 
April 10, 2021, 3 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 4.0 μg/m3 (17) 47.0
 
April 10, 2021, 2 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A -1.0 μg/m3 (0) 49.0
 
April 10, 2021, 1 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 1.0 μg/m3 (5) 49.0
 
April 10, 2021, midnight 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -2.0 μg/m3 (0) 50.0
 
April 9, 2021, 11 p.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -3.0 μg/m3 (0) 50.0
 
April 9, 2021, 10 p.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -1.0 μg/m3 (0) 50.0
 
April 9, 2021, 9 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A -1.0 μg/m3 (0) 50.0
 
April 9, 2021, 8 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 0.0 μg/m3 (0) 51.0
 
April 9, 2021, 7 p.m. 0.3 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 1.0 μg/m3 (5) 55.0
 
April 9, 2021, 6 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 2.0 μg/m3 (9) 49.0
 
April 9, 2021, 5 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
April 9, 2021, 4 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
April 9, 2021, 3 p.m. 0.3 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 9, 2021, 2 p.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
April 9, 2021, 1 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A 1.0 μg/m3 (5) 45.0
 
April 9, 2021, noon 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 1.0 μg/m3 (5) 46.0
 
April 9, 2021, 11 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A 2.0 μg/m3 (9) 45.0
 
April 9, 2021, 10 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A 1.0 μg/m3 (5) 45.0
 
April 9, 2021, 9 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A -1.0 μg/m3 (0) 43.0
 
April 9, 2021, 8 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A -3.0 μg/m3 (0) 43.0
 
April 9, 2021, 7 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A -3.0 μg/m3 (0) 43.0
 
April 9, 2021, 6 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A N/A 1.0 μg/m3 (5) 42.0
 
April 9, 2021, 5 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
April 9, 2021, 4 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
April 9, 2021, 3 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 3.0 μg/m3 (13) 51.0
 
April 9, 2021, 2 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
April 9, 2021, 1 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A 2.0 μg/m3 (9) 48.0
 
April 9, 2021, midnight 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 3.0 μg/m3 (13) 47.0
 
April 8, 2021, 11 p.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A 2.0 μg/m3 (9) 45.0
 
April 8, 2021, 10 p.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A -1.0 μg/m3 (0) 46.0
 
April 8, 2021, 9 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
April 8, 2021, 8 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
April 8, 2021, 7 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 3.0 μg/m3 (13) 47.0
 
April 8, 2021, 6 p.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 3.0 μg/m3 (13) 47.0
 
April 8, 2021, 5 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 8, 2021, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A 2.0 μg/m3 (9) 45.0
 
April 8, 2021, 3 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A 3.0 μg/m3 (13) 45.0
 
April 8, 2021, 2 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 8, 2021, 1 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 8, 2021, noon 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A N/A 1.0 μg/m3 (5) 48.0
 
April 8, 2021, 11 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 2.0 μg/m3 (9) 47.0
 
April 8, 2021, 10 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -2.0 μg/m3 (0) 47.0
 
April 8, 2021, 9 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A -3.0 μg/m3 (0) 48.0
 
April 8, 2021, 8 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 1.0 μg/m3 (5) 49.0
 
April 8, 2021, 7 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 4.0 μg/m3 (17) 49.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 8, 2021, 5 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
April 8, 2021, 4 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
April 8, 2021, 3 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
April 8, 2021, 2 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
April 8, 2021, 1 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
April 8, 2021, midnight 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -1.0 μg/m3 (0) 50.0
 
April 7, 2021, 11 p.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A -1.0 μg/m3 (0) 49.0
 
April 7, 2021, 10 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
April 7, 2021, 9 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
April 7, 2021, 8 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
April 7, 2021, 7 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A N/A -2.0 μg/m3 (0) 43.0
 
April 7, 2021, 6 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 7, 2021, 5 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 1.0 μg/m3 (5) 33.0
 
April 7, 2021, 4 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
April 7, 2021, 3 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
April 7, 2021, 2 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
April 7, 2021, 1 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A N/A -2.0 μg/m3 (0) 34.0
 
April 7, 2021, noon 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) N/A N/A -2.0 μg/m3 (0) 32.0
 
April 7, 2021, 11 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
April 7, 2021, 10 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A N/A 1.0 μg/m3 (5) 34.0
 
April 7, 2021, 9 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
April 7, 2021, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 7, 2021, 7 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 7, 2021, 6 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 7, 2021, 5 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
April 7, 2021, 4 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) N/A N/A 4.0 μg/m3 (17) 35.0
 
April 7, 2021, 3 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
April 7, 2021, 2 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
April 7, 2021, 1 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 7, 2021, midnight 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 6, 2021, 11 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
April 6, 2021, 10 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 6, 2021, 9 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
April 6, 2021, 8 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
April 6, 2021, 7 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 6, 2021, 6 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 6, 2021, 5 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 6, 2021, 4 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 6, 2021, 3 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
April 6, 2021, 2 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
April 6, 2021, 1 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 0.0 μg/m3 (0) 49.0
 
April 6, 2021, noon 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A -1.0 μg/m3 (0) 51.0
 
April 6, 2021, 11 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (45) N/A N/A -2.0 μg/m3 (0) 45.0
 
April 6, 2021, 10 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
April 6, 2021, 9 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
April 6, 2021, 8 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A -2.0 μg/m3 (0) 36.0
 
April 6, 2021, 7 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
April 6, 2021, 6 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A -3.0 μg/m3 (0) 37.0
 
April 6, 2021, 5 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 6, 2021, 4 a.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 6, 2021, 3 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 6, 2021, 2 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 0.0 μg/m3 (0) 42.0
 
April 6, 2021, 1 a.m. 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -3.0 μg/m3 (0) 47.0
 
April 6, 2021, midnight 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -3.0 μg/m3 (0) 47.0
 
April 5, 2021, 11 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -2.0 μg/m3 (0) 47.0
 
April 5, 2021, 10 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 0.0 μg/m3 (0) 49.0
 
April 5, 2021, 9 p.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A 1.0 μg/m3 (5) 48.0
 
April 5, 2021, 8 p.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 1.0 μg/m3 (5) 46.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 5, 2021, 6 p.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
 
April 5, 2021, 5 p.m. 0.8 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
April 5, 2021, 4 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 5.0 μg/m3 (21) 46.0
 
April 5, 2021, 3 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 5, 2021, 2 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
April 5, 2021, 1 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 0.0 μg/m3 (0) 49.0
 
April 5, 2021, noon 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A N/A 0.0 μg/m3 (0) 49.0
 
April 5, 2021, 11 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -1.0 μg/m3 (0) 50.0
 
April 5, 2021, 10 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
April 5, 2021, 9 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
April 5, 2021, 8 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
April 5, 2021, 7 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
April 5, 2021, 6 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
 
April 5, 2021, 5 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
April 5, 2021, 4 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 3.0 μg/m3 (13) 51.0
 
April 5, 2021, 3 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
April 5, 2021, 2 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A -4.0 μg/m3 (0) 50.0
 
April 5, 2021, 1 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A -2.0 μg/m3 (0) 48.0
 
April 5, 2021, midnight 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -1.0 μg/m3 (0) 47.0
 
April 4, 2021, 11 p.m. 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A -1.0 μg/m3 (0) 47.0
 
April 4, 2021, 10 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 1.0 μg/m3 (5) 47.0
 
April 4, 2021, 9 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (47) N/A N/A 2.0 μg/m3 (9) 47.0
 
April 4, 2021, 8 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A -2.0 μg/m3 (0) 48.0
 
April 4, 2021, 7 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A 0.0 μg/m3 (0) 48.0
 
April 4, 2021, 6 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (48) N/A N/A 1.0 μg/m3 (5) 48.0
 
April 4, 2021, 5 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 3.0 μg/m3 (13) 46.0
 
April 4, 2021, 4 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
April 4, 2021, 3 p.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 4.0 μg/m3 (17) 49.0
 
April 4, 2021, 2 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 2.0 μg/m3 (9) 49.0
 
April 4, 2021, 1 p.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
April 4, 2021, noon 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
April 4, 2021, 11 a.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
April 4, 2021, 10 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 5.0 μg/m3 (21) 51.0
 
April 4, 2021, 9 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
April 4, 2021, 8 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 3.0 μg/m3 (13) 51.0
 
April 4, 2021, 7 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
April 4, 2021, 6 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 3.0 μg/m3 (13) 51.0
 
April 4, 2021, 5 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A N/A 3.0 μg/m3 (13) 50.0
 
April 4, 2021, 4 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
April 4, 2021, 3 a.m. 0.2 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
April 4, 2021, 2 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 55.0 ppb (51) N/A N/A 2.0 μg/m3 (9) 51.0
 
April 4, 2021, 1 a.m. 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 0.0 μg/m3 (0) 55.0
 
April 4, 2021, midnight 0.4 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 58.0 ppb (61) N/A N/A 3.0 μg/m3 (13) 61.0
 
April 3, 2021, 11 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 57.0 ppb (58) N/A N/A 3.0 μg/m3 (13) 58.0
 
April 3, 2021, 10 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 1.0 μg/m3 (5) 55.0
 
April 3, 2021, 9 p.m. 0.7 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A 3.0 μg/m3 (13) 58.0
 
April 3, 2021, 8 p.m. 0.5 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 1.0 μg/m3 (5) 55.0
 
April 3, 2021, 7 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 2.0 μg/m3 (9) 55.0
 
April 3, 2021, 6 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 5.0 μg/m3 (21) 55.0
 
April 3, 2021, 5 p.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
April 3, 2021, 4 p.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
April 3, 2021, 3 p.m. 0.5 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
April 3, 2021, 2 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A 4.0 μg/m3 (17) 55.0
 
April 3, 2021, 1 p.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A 3.0 μg/m3 (13) 61.0
 
April 3, 2021, noon 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (61) N/A N/A 3.0 μg/m3 (13) 61.0
 
April 3, 2021, 11 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A 4.0 μg/m3 (17) 65.0