AQSQID: 560130099

Site Name: South Pass

Location: Lander (Atlantic City Rd), WY

Reporting: True, Located: True

Current AQI: 35.0

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
March 30, 2020, 9 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 30, 2020, 8 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 30, 2020, 7 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 30, 2020, 6 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
March 30, 2020, 5 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 30, 2020, 4 a.m. 0.5 ppb (0) 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
 
March 30, 2020, 3 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 30, 2020, 2 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
March 30, 2020, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 30, 2020, midnight 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 1.0 μg/m3 (4) 34.0
 
March 29, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 29, 2020, 10 p.m. 0.5 ppb (0) 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
 
March 29, 2020, 9 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 0.0 μg/m3 (0) 34.0
 
March 29, 2020, 8 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
March 29, 2020, 7 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
 
March 29, 2020, 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 1.0 μg/m3 (4) 34.0
 
March 29, 2020, 5 p.m. 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 4.0 μg/m3 (17) 35.0
 
March 29, 2020, 4 p.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 5.0 μg/m3 (21) 35.0
 
March 29, 2020, 3 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (33) N/A N/A 1.0 μg/m3 (4) 33.0
 
March 29, 2020, 2 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 -2.0 μg/m3 (0) 33.0
 
March 29, 2020, 1 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
March 29, 2020, noon 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 29, 2020, 11 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
March 29, 2020, 10 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
March 29, 2020, 9 a.m. 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 (0) 33.0
 
March 29, 2020, 8 a.m. 0.4 ppb (0) 0.1 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
 
March 29, 2020, 7 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 29, 2020, 6 a.m. 0.4 ppb (0) 0.1 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
 
March 29, 2020, 5 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
March 29, 2020, 4 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 29, 2020, 3 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
March 29, 2020, 2 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 29, 2020, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 29, 2020, midnight 0.5 ppb (0) 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
 
March 28, 2020, 11 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 28, 2020, 10 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 28, 2020, 9 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 28, 2020, 8 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 28, 2020, 7 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 0.0 μg/m3 (0) 36.0
 
March 28, 2020, 6 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
March 28, 2020, 5 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 28, 2020, 4 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 28, 2020, 3 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 0.0 μg/m3 (0) 38.0
 
March 28, 2020, 2 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
March 28, 2020, 1 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 28, 2020, noon 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 0.0 μg/m3 (0) 38.0
 
March 28, 2020, 11 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 28, 2020, 10 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
March 28, 2020, 9 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 28, 2020, 8 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 28, 2020, 7 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 28, 2020, 6 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 28, 2020, 5 a.m. 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 -1.0 μg/m3 (0) 38.0
 
March 28, 2020, 4 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 1.0 μg/m3 (4) 41.0
 
March 28, 2020, 3 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
March 28, 2020, 2 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 3.0 μg/m3 (12) 41.0
 
March 28, 2020, 1 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 54.0 ppb (42) N/A N/A -2.0 μg/m3 (0) 42.0
 
March 28, 2020, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 27, 2020, 11 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 0.0 μg/m3 (0) 39.0
 
March 27, 2020, 10 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A 1.0 μg/m3 (4) 40.0
 
March 27, 2020, 9 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
March 27, 2020, 8 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
March 27, 2020, 7 p.m. 0.5 ppb (0) 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
 
March 27, 2020, 6 p.m. 0.8 ppb (1) 0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 27, 2020, 5 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
 
March 27, 2020, 4 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 1.0 μg/m3 (4) 36.0
 
March 27, 2020, 3 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A -1.0 μg/m3 (0) 36.0
 
March 27, 2020, 2 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
March 27, 2020, 1 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
March 27, 2020, noon 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 27, 2020, 11 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
March 27, 2020, 10 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
March 27, 2020, 9 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 27, 2020, 8 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 27, 2020, 7 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 27, 2020, 6 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 27, 2020, 5 a.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 27, 2020, 4 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
March 27, 2020, 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 -1.0 μg/m3 (0) 36.0
 
March 27, 2020, 2 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 27, 2020, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
March 27, 2020, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 10 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 26, 2020, 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 1.0 μg/m3 (4) 37.0
 
March 26, 2020, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 26, 2020, 7 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 26, 2020, 6 p.m. 0.4 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 5 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
March 26, 2020, 4 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 26, 2020, 3 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 2 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 26, 2020, 1 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 26, 2020, noon 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 26, 2020, 11 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 10 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
March 26, 2020, 9 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 26, 2020, 8 a.m. 0.6 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 (0) 38.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -2.0 μg/m3 (0) N/A
March 26, 2020, 6 a.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 26, 2020, 5 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 26, 2020, 4 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
March 26, 2020, 3 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
March 26, 2020, 2 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 26, 2020, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 26, 2020, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 25, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
March 25, 2020, 10 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A -3.0 μg/m3 (0) 41.0
 
March 25, 2020, 9 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 25, 2020, 8 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 1.0 μg/m3 (4) 39.0
 
March 25, 2020, 7 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 25, 2020, 6 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 0.0 μg/m3 (0) 38.0
 
March 25, 2020, 5 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 25, 2020, 4 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 25, 2020, 3 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 25, 2020, 2 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 1.0 μg/m3 (4) 39.0
 
March 25, 2020, 1 p.m. 1.4 ppb (1) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 1.0 μg/m3 (4) 40.0
 
March 25, 2020, noon 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
March 25, 2020, 11 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 0.0 μg/m3 (0) 38.0
 
March 25, 2020, 10 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 51.0 ppb (39) N/A N/A 1.0 μg/m3 (4) 39.0
 
March 25, 2020, 9 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 25, 2020, 8 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A -3.0 μg/m3 (0) 37.0
 
March 25, 2020, 7 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A -2.0 μg/m3 (0) 36.0
 
March 25, 2020, 6 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
March 25, 2020, 5 a.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 25, 2020, 4 a.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 1.0 μg/m3 (4) 37.0
 
March 25, 2020, 3 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 25, 2020, 2 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 25, 2020, 1 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
March 25, 2020, midnight 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 24, 2020, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (36) N/A N/A -2.0 μg/m3 (0) 36.0
 
March 24, 2020, 10 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 24, 2020, 9 p.m. 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 48.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
March 24, 2020, 8 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 24, 2020, 7 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 24, 2020, 6 p.m. 0.4 ppb (0) 0.1 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
 
March 24, 2020, 5 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 24, 2020, 4 p.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 1.0 μg/m3 (4) 35.0
 
March 24, 2020, 3 p.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
 
March 24, 2020, 2 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 24, 2020, 1 p.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 2.0 μg/m3 (8) 34.0
 
March 24, 2020, noon 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 24, 2020, 11 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
March 24, 2020, 10 a.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 2.0 μg/m3 (8) 32.0
 
March 24, 2020, 9 a.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
 
March 24, 2020, 8 a.m. 0.8 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
 
March 24, 2020, 7 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 -1.0 μg/m3 (0) 29.0
 
March 24, 2020, 6 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 24, 2020, 5 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 1.0 μg/m3 (4) 35.0
 
March 24, 2020, 4 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 24, 2020, 3 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 24, 2020, 2 a.m. 0.7 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
 
March 24, 2020, 1 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
March 24, 2020, midnight 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 1.0 μg/m3 (4) 38.0
 
March 23, 2020, 11 p.m. 0.9 ppb (1) 0.1 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
 
March 23, 2020, 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 3.0 μg/m3 (12) 38.0
 
March 23, 2020, 9 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A -2.0 μg/m3 (0) 37.0
 
March 23, 2020, 8 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
March 23, 2020, 7 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 23, 2020, 6 p.m. 1.0 ppb (1) 0.3 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
 
March 23, 2020, 5 p.m. 0.9 ppb (1) 0.3 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
 
March 23, 2020, 4 p.m. 2.8 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 23, 2020, 3 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 1.0 μg/m3 (4) 34.0
 
March 23, 2020, 2 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
March 23, 2020, 1 p.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
 
March 23, 2020, noon 0.8 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
 
March 23, 2020, 11 a.m. 0.8 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
 
March 23, 2020, 10 a.m. 0.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0