AQSQID: 560350101

Site Name: Pinedale

Location: Pinedale, WY

Reporting: True, Located: True

Current AQI: 38.0

Pinedale WY, US: 42.8698, -109.8708

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 22, 2019, 4 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 22, 2019, 3 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 2.0 μg/m3 (8) 37.0
 
March 22, 2019, 2 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 1.0 μg/m3 (4) 41.0
 
March 22, 2019, 1 a.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
March 22, 2019, midnight 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
March 21, 2019, 11 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 7.0 μg/m3 (29) 43.0
 
March 21, 2019, 10 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 3.0 μg/m3 (12) 45.0
 
March 21, 2019, 9 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A -4.0 μg/m3 (0) 44.0
 
March 21, 2019, 8 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A -3.0 μg/m3 (0) 43.0
 
March 21, 2019, 7 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
March 21, 2019, 6 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 21, 2019, 5 p.m. 2.6 ppb (2) 1.3 ppb (1) 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 21, 2019, 4 p.m. 2.3 ppb (2) 1.0 ppb (1) 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
 
March 21, 2019, 3 p.m. 1.5 ppb (1) 0.5 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
 
March 21, 2019, 2 p.m. 0.9 ppb (1) 0.0 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 21, 2019, 1 p.m. 1.1 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 (0) 34.0
 
March 21, 2019, noon 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A -4.0 μg/m3 (0) 34.0
 
March 21, 2019, 11 a.m. 0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A -4.0 μg/m3 (0) 35.0
 
March 21, 2019, 10 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 21, 2019, 9 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 21, 2019, 8 a.m. 0.3 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A -4.0 μg/m3 (0) 37.0
 
March 21, 2019, 7 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 21, 2019, 5 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A -3.0 μg/m3 (0) 42.0
 
March 21, 2019, 4 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 0.0 μg/m3 (0) 42.0
 
March 21, 2019, 3 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 2.0 μg/m3 (8) 43.0
 
March 21, 2019, 2 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 2.0 μg/m3 (8) 44.0
 
March 21, 2019, 1 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
March 21, 2019, midnight 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
March 20, 2019, 11 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (49) N/A N/A N/A 49.0
 
March 20, 2019, 10 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (47) N/A N/A 8.0 μg/m3 (33) 47.0
 
March 20, 2019, 9 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 61.0 ppb (47) N/A N/A 13.0 μg/m3 (52) 52.0
 
March 20, 2019, 8 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 21.0 μg/m3 (69) 69.0
 
March 20, 2019, 7 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 8.0 μg/m3 (33) 47.0
 
March 20, 2019, 6 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 0.0 μg/m3 (0) 44.0
 
March 20, 2019, 5 p.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
March 20, 2019, 4 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 8.0 μg/m3 (33) 41.0
 
March 20, 2019, 3 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
March 20, 2019, 2 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
March 20, 2019, 1 p.m. 1.1 ppb (1) 0.0 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
 
March 20, 2019, noon 0.8 ppb (1) 0.0 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
 
March 20, 2019, 11 a.m. 1.2 ppb (1) 0.0 ppb (0) 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 20, 2019, 10 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 3.0 μg/m3 (12) 41.0
 
March 20, 2019, 9 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 7.0 μg/m3 (29) 42.0
 
March 20, 2019, 8 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 20, 2019, 7 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 7.0 μg/m3 (29) 43.0
 
March 20, 2019, 6 a.m. 2.3 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) N/A N/A 9.0 μg/m3 (38) 45.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 15.0 μg/m3 (56) 56.0
 
March 20, 2019, 4 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A -3.0 μg/m3 (0) 42.0
 
March 20, 2019, 3 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
March 20, 2019, 2 a.m. 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 61.0 ppb (47) N/A N/A -3.0 μg/m3 (0) 47.0
 
March 20, 2019, 1 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A 5.0 μg/m3 (21) 52.0
 
March 20, 2019, midnight 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 69.0 ppb (53) N/A N/A 8.0 μg/m3 (33) 53.0
 
March 19, 2019, 11 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
March 19, 2019, 10 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
March 19, 2019, 9 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 8 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 30.0 μg/m3 (88) 88.0
 
March 19, 2019, 7 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 19, 2019, 6 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
March 19, 2019, 5 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 7.0 μg/m3 (29) 38.0
 
March 19, 2019, 4 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 7.0 μg/m3 (29) 38.0
 
March 19, 2019, 3 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
March 19, 2019, 2 p.m. 6.2 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 19, 2019, 1 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
March 19, 2019, noon 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
March 19, 2019, 10 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) N/A N/A 8.0 μg/m3 (33) 45.0
 
March 19, 2019, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) N/A N/A 10.0 μg/m3 (42) 45.0
 
March 19, 2019, 8 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
March 19, 2019, 7 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 17.0 μg/m3 (61) 61.0
 
March 19, 2019, 6 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 7.0 μg/m3 (29) 42.0
 
March 19, 2019, 5 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 7.0 μg/m3 (29) 44.0
 
March 19, 2019, 4 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 0.0 μg/m3 (0) 44.0
 
March 19, 2019, 3 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
March 19, 2019, 2 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (51) N/A N/A -1.0 μg/m3 (0) 51.0
 
March 19, 2019, 1 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (53) N/A N/A 4.0 μg/m3 (17) 53.0
 
March 19, 2019, midnight 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 68.0 ppb (52) N/A N/A 3.0 μg/m3 (12) 52.0
 
March 18, 2019, 11 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (51) N/A N/A 4.0 μg/m3 (17) 51.0
 
March 18, 2019, 10 p.m. 4.5 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (50) N/A N/A 7.0 μg/m3 (29) 50.0
 
March 18, 2019, 9 p.m. 4.6 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 62.0 ppb (48) N/A N/A 9.0 μg/m3 (38) 48.0
 
March 18, 2019, 8 p.m. 6.0 ppb (6) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 14.0 μg/m3 (54) 54.0
 
March 18, 2019, 7 p.m. 3.0 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 25.0 μg/m3 (78) 78.0
 
March 18, 2019, 6 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
March 18, 2019, 5 p.m. 2.7 ppb (3) 1.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 18, 2019, 4 p.m. 1.9 ppb (2) 0.6 ppb (1) 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
 
March 18, 2019, 3 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
March 18, 2019, 2 p.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
March 18, 2019, 1 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 18, 2019, noon 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
March 18, 2019, 11 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 4.0 μg/m3 (17) 38.0
 
March 18, 2019, 10 a.m. 1.2 ppb (1) 0.0 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 18, 2019, 9 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 3.0 μg/m3 (12) 38.0
 
March 18, 2019, 8 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
March 18, 2019, 7 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 2.0 μg/m3 (8) 42.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
March 18, 2019, 5 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 18, 2019, 4 a.m. 1.1 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
 
March 18, 2019, 3 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
March 18, 2019, 2 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A N/A 44.0
 
March 18, 2019, 1 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 61.0 ppb (47) N/A N/A 1.0 μg/m3 (4) 47.0
 
March 18, 2019, midnight 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 64.0 ppb (49) N/A N/A 0.0 μg/m3 (0) 49.0
 
March 17, 2019, 11 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
March 17, 2019, 10 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 9.0 μg/m3 (38) 46.0
 
March 17, 2019, 9 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) N/A N/A 29.0 μg/m3 (86) 86.0
 
March 17, 2019, 8 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 7.0 μg/m3 (29) 45.0
 
March 17, 2019, 7 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 44.0
 
March 17, 2019, 6 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 7.0 μg/m3 (29) 42.0
 
March 17, 2019, 5 p.m. 5.5 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 10.0 μg/m3 (42) 42.0
 
March 17, 2019, 4 p.m. 5.8 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 17.0 μg/m3 (61) 61.0
 
March 17, 2019, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 7.0 μg/m3 (29) 40.0
 
March 17, 2019, 2 p.m. 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
March 17, 2019, 1 p.m. 0.4 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 2.0 μg/m3 (8) 39.0
 
March 17, 2019, noon 0.4 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 1.0 μg/m3 (4) 38.0
 
March 17, 2019, 11 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
March 17, 2019, 10 a.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 (8) 37.0
 
March 17, 2019, 9 a.m. 1.0 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 17, 2019, 8 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
March 17, 2019, 7 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
March 17, 2019, 6 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 17, 2019, 5 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 22.0 μg/m3 (71) 71.0
 
March 17, 2019, 4 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 3.0 μg/m3 (12) 41.0
 
March 17, 2019, 3 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
March 17, 2019, 2 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
March 17, 2019, 1 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 2.0 μg/m3 (8) 46.0
 
March 17, 2019, midnight 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 5.0 μg/m3 (21) 47.0
 
March 16, 2019, 11 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0
 
March 16, 2019, 10 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (48) N/A N/A 8.0 μg/m3 (33) 48.0
 
March 16, 2019, 9 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (48) N/A N/A 12.0 μg/m3 (50) 50.0
 
March 16, 2019, 8 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) N/A N/A 19.0 μg/m3 (65) 65.0
 
March 16, 2019, 7 p.m. 4.1 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 44.0
 
March 16, 2019, 6 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
March 16, 2019, 5 p.m. 1.2 ppb (1) 0.4 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
 
March 16, 2019, 4 p.m. 1.9 ppb (2) 0.7 ppb (1) 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 16, 2019, 3 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
March 16, 2019, 2 p.m. 1.0 ppb (1) 0.0 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 16, 2019, 1 p.m. 0.2 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
March 16, 2019, noon 0.4 ppb (0) -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 16, 2019, 11 a.m. 0.2 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 (0) 37.0
 
March 16, 2019, 10 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
March 16, 2019, 9 a.m. 0.4 ppb (0) -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 16, 2019, 8 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 7.0 μg/m3 (29) 37.0
 
March 16, 2019, 7 a.m. 1.2 ppb (1) 0.0 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 16, 2019, 6 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
March 16, 2019, 5 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 8.0 μg/m3 (33) 43.0
 
March 16, 2019, 4 a.m. 7.6 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 53.0 ppb (41) N/A N/A 9.0 μg/m3 (38) 41.0
 
March 16, 2019, 3 a.m. 5.9 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 58.0 ppb (45) N/A N/A N/A 45.0
 
March 16, 2019, 2 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) N/A N/A N/A 48.0
 
March 16, 2019, 1 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 0.0 μg/m3 (0) 46.0
 
March 16, 2019, midnight 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 7.0 μg/m3 (29) 44.0
 
March 15, 2019, 11 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (41) N/A N/A 7.0 μg/m3 (29) 41.0
 
March 15, 2019, 10 p.m. 1.2 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 15, 2019, 9 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
March 15, 2019, 8 p.m. 0.9 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
 
March 15, 2019, 7 p.m. 1.2 ppb (1) 0.5 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
 
March 15, 2019, 6 p.m. 1.1 ppb (1) 0.3 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
 
March 15, 2019, 5 p.m. 1.3 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
March 15, 2019, 4 p.m. 1.4 ppb (1) 0.5 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
 
March 15, 2019, 3 p.m. 2.4 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
March 15, 2019, 2 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
March 15, 2019, 1 p.m. 1.4 ppb (1) 0.0 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
 
March 15, 2019, noon 0.5 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
March 15, 2019, 11 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 0.0 μg/m3 (0) 38.0
 
March 15, 2019, 10 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 4.0 μg/m3 (17) 37.0
 
March 15, 2019, 9 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 8.0 μg/m3 (33) 36.0
 
March 15, 2019, 8 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 11.0 μg/m3 (46) 46.0
 
March 15, 2019, 7 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
March 15, 2019, 6 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
March 15, 2019, 5 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0