AQSQID: 560350101

Site Name: Pinedale Gaseous

Location: Pinedale (Stuart St), WY

Reporting: True, Located: True

Current AQI: 33.0

Pinedale (Stuart St) WY, US: 42.8698, -109.8708

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 25, 2020, 9 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, 8 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
Jan. 25, 2020, 7 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A 1.0 μg/m3 (4) 30.0
 
Jan. 25, 2020, 6 a.m. 1.0 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
 
Jan. 25, 2020, 5 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 25, 2020, 4 a.m. 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Jan. 25, 2020, 3 a.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 5.0 μg/m3 (21) 30.0
 
Jan. 25, 2020, 2 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 22.0 μg/m3 (71) 71.0
 
Jan. 25, 2020, 1 a.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, midnight 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A -4.0 μg/m3 (0) 33.0
 
Jan. 24, 2020, 11 p.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A -2.0 μg/m3 (0) 35.0
 
Jan. 24, 2020, 10 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 (0) 34.0
 
Jan. 24, 2020, 9 p.m. 2.2 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A -4.0 μg/m3 (0) 35.0
 
Jan. 24, 2020, 8 p.m. 4.1 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 3.0 μg/m3 (12) 34.0
 
Jan. 24, 2020, 7 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Jan. 24, 2020, 6 p.m. 1.8 ppb (2) 0.7 ppb (1) 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
 
Jan. 24, 2020, 5 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
Jan. 24, 2020, 4 p.m. 8.9 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 24, 2020, 3 p.m. 17.9 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 2 p.m. 17.3 ppb (16) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 24, 2020, 1 p.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 24, 2020, noon 0.6 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 (0) 31.0
 
Jan. 24, 2020, 11 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A -2.0 μg/m3 (0) 32.0
 
Jan. 24, 2020, 10 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
Jan. 24, 2020, 9 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A -1.0 μg/m3 (0) 31.0
 
Jan. 24, 2020, 8 a.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
Jan. 24, 2020, 7 a.m. 0.0 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
Jan. 24, 2020, 6 a.m. 0.0 ppb (0) -0.3 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
 
Jan. 24, 2020, 5 a.m. 0.2 ppb (0) -0.1 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
 
Jan. 24, 2020, 4 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 6.0 μg/m3 (25) 34.0
 
Jan. 24, 2020, 3 a.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
 
Jan. 24, 2020, 2 a.m. 0.6 ppb (1) 0.0 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
 
Jan. 24, 2020, 1 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 1.0 μg/m3 (4) 35.0
 
Jan. 24, 2020, midnight 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 2.0 μg/m3 (8) 35.0
 
Jan. 23, 2020, 11 p.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
Jan. 23, 2020, 10 p.m. 1.2 ppb (1) 0.5 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
 
Jan. 23, 2020, 9 p.m. 7.6 ppb (7) 3.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Jan. 23, 2020, 8 p.m. 7.0 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
Jan. 23, 2020, 7 p.m. 4.8 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A -3.0 μg/m3 (0) 36.0
 
Jan. 23, 2020, 6 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A -3.0 μg/m3 (0) 36.0
 
Jan. 23, 2020, 5 p.m. 2.9 ppb (3) 1.0 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
 
Jan. 23, 2020, 4 p.m. 3.5 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 23, 2020, 3 p.m. 2.5 ppb (2) 0.3 ppb (0) 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
 
Jan. 23, 2020, 2 p.m. 1.3 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
 
Jan. 23, 2020, 1 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
Jan. 23, 2020, noon 1.2 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
 
Jan. 23, 2020, 11 a.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 (0) 35.0
 
Jan. 23, 2020, 10 a.m. 1.3 ppb (1) -0.2 ppb (0) 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
 
Jan. 23, 2020, 9 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
Jan. 23, 2020, 8 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
Jan. 23, 2020, 7 a.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 5 a.m. 0.6 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
 
Jan. 23, 2020, 4 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 0.0 μg/m3 (0) 38.0
 
Jan. 23, 2020, 3 a.m. 1.1 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
 
Jan. 23, 2020, 2 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Jan. 23, 2020, 1 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Jan. 23, 2020, midnight 0.4 ppb (0) 0.0 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
 
Jan. 22, 2020, 11 p.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 -1.0 μg/m3 (0) 40.0
 
Jan. 22, 2020, 10 p.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 -3.0 μg/m3 (0) 41.0
 
Jan. 22, 2020, 9 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A -2.0 μg/m3 (0) 42.0
 
Jan. 22, 2020, 8 p.m. 0.9 ppb (1) 0.3 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
 
Jan. 22, 2020, 7 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 N/A 42.0
 
Jan. 22, 2020, 6 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) N/A N/A -2.0 μg/m3 (0) 42.0
 
Jan. 22, 2020, 5 p.m. 4.7 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 1.0 μg/m3 (4) 42.0
 
Jan. 22, 2020, 4 p.m. 14.9 ppb (14) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 22, 2020, 3 p.m. 12.6 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 43.0 ppb (33) N/A N/A 7.0 μg/m3 (29) 33.0
 
Jan. 22, 2020, 2 p.m. 12.9 ppb (12) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 38.0 ppb (29) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 1 p.m. 6.7 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Jan. 22, 2020, noon 6.9 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 46.0 ppb (35) N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 11 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 10 a.m. 6.3 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 9 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 8 a.m. 6.1 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 52.0 ppb (40) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 7 a.m. 8.7 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 51.0 ppb (39) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 22, 2020, 6 a.m. 7.4 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 55.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 5 a.m. 10.6 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 63.0 ppb (48) N/A N/A 20.0 μg/m3 (67) 67.0
 
Jan. 22, 2020, 4 a.m. 10.7 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) N/A N/A 24.0 μg/m3 (76) 76.0
 
Jan. 22, 2020, 3 a.m. 10.8 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 64.0 ppb (49) N/A N/A 18.0 μg/m3 (63) 63.0
 
Jan. 22, 2020, 2 a.m. 11.7 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) N/A N/A 21.0 μg/m3 (69) 69.0
 
Jan. 22, 2020, 1 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
Jan. 22, 2020, midnight 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 66.0 ppb (51) N/A N/A 8.0 μg/m3 (33) 51.0
 
Jan. 21, 2020, 11 p.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 70.0 ppb (54) N/A N/A 5.0 μg/m3 (21) 54.0
 
Jan. 21, 2020, 10 p.m. 4.3 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (50) N/A N/A 0.0 μg/m3 (0) 50.0
 
Jan. 21, 2020, 9 p.m. 2.1 ppb (2) 0.6 ppb (1) 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
 
Jan. 21, 2020, 8 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
Jan. 21, 2020, 7 p.m. 2.9 ppb (3) 1.1 ppb (1) 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
 
Jan. 21, 2020, 6 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
Jan. 21, 2020, 5 p.m. 3.5 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
Jan. 21, 2020, 4 p.m. 6.8 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) N/A N/A 1.0 μg/m3 (4) 34.0
 
Jan. 21, 2020, 3 p.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A 3.0 μg/m3 (12) 33.0
 
Jan. 21, 2020, 2 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
Jan. 21, 2020, 1 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Jan. 21, 2020, noon 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Jan. 21, 2020, 11 a.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
 
Jan. 21, 2020, 10 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Jan. 21, 2020, 9 a.m. 1.6 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 2.0 μg/m3 (8) 35.0
 
Jan. 21, 2020, 8 a.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Jan. 21, 2020, 7 a.m. 5.9 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 48.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
Jan. 21, 2020, 6 a.m. 9.2 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 5 a.m. 12.6 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 44.0 ppb (34) N/A N/A 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 4 a.m. 20.7 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 34.0 ppb (26) N/A N/A 29.0 μg/m3 (86) 86.0
 
Jan. 21, 2020, 3 a.m. 14.9 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 37.0 ppb (28) N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 2 a.m. 11.8 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 44.0 ppb (34) N/A N/A 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, 1 a.m. 20.5 ppb (19) 1.1 ppb (1) N/A 19.0 ppb (18) N/A N/A 44.0 ppb (34) N/A N/A 23.0 μg/m3 (73) 73.0
 
Jan. 21, 2020, midnight 10.9 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 46.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Jan. 20, 2020, 11 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A -2.0 μg/m3 (0) 39.0
 
Jan. 20, 2020, 10 p.m. 5.6 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) N/A N/A -4.0 μg/m3 (0) 38.0
 
Jan. 20, 2020, 9 p.m. 4.6 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A -4.0 μg/m3 (0) 38.0
 
Jan. 20, 2020, 8 p.m. 3.5 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 2.0 μg/m3 (8) 38.0
 
Jan. 20, 2020, 7 p.m. 6.6 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A N/A 2.0 μg/m3 (8) 36.0
 
Jan. 20, 2020, 6 p.m. 3.2 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
Jan. 20, 2020, 5 p.m. 4.6 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 1.0 μg/m3 (4) 35.0
 
Jan. 20, 2020, 4 p.m. 7.5 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 20, 2020, 3 p.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Jan. 20, 2020, 2 p.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 N/A 37.0
 
Jan. 20, 2020, 1 p.m. 0.7 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
 
Jan. 20, 2020, noon 0.4 ppb (0) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 20, 2020, 10 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 20, 2020, 9 a.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 N/A 35.0
 
Jan. 20, 2020, 8 a.m. 0.4 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 20, 2020, 7 a.m. 0.6 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
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A
Jan. 20, 2020, 5 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
Jan. 20, 2020, 4 a.m. 1.5 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A 2.0 μg/m3 (8) 33.0
 
Jan. 20, 2020, 3 a.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 1.0 μg/m3 (4) 35.0
 
Jan. 20, 2020, 2 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 20, 2020, 1 a.m. 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Jan. 20, 2020, midnight 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
Jan. 19, 2020, 11 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
Jan. 19, 2020, 10 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 7.0 μg/m3 (29) 40.0
 
Jan. 19, 2020, 9 p.m. 1.6 ppb (1) 0.6 ppb (1) 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
 
Jan. 19, 2020, 8 p.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 (0) 37.0
 
Jan. 19, 2020, 7 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 19, 2020, 6 p.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 19, 2020, 5 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 19, 2020, 4 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A -4.0 μg/m3 (0) 32.0
 
Jan. 19, 2020, 3 p.m. 1.6 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
 
Jan. 19, 2020, 2 p.m. 0.9 ppb (1) 0.0 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
 
Jan. 19, 2020, 1 p.m. 1.1 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 (0) 32.0
 
Jan. 19, 2020, noon 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A -1.0 μg/m3 (0) 29.0
 
Jan. 19, 2020, 11 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) N/A N/A -3.0 μg/m3 (0) 28.0
 
Jan. 19, 2020, 10 a.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 19, 2020, 9 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
Jan. 19, 2020, 8 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
Jan. 19, 2020, 7 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A -1.0 μg/m3 (0) 29.0
 
Jan. 19, 2020, 6 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A -1.0 μg/m3 (0) 33.0
 
Jan. 19, 2020, 5 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 -3.0 μg/m3 (0) 34.0
 
Jan. 19, 2020, 4 a.m. 1.5 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
 
Jan. 19, 2020, 3 a.m. 1.6 ppb (1) 0.2 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
 
Jan. 19, 2020, 2 a.m. 1.5 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
 
Jan. 19, 2020, 1 a.m. 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 3.0 μg/m3 (12) 35.0
 
Jan. 19, 2020, midnight 1.2 ppb (1) 0.3 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
 
Jan. 18, 2020, 11 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A -3.0 μg/m3 (0) 35.0
 
Jan. 18, 2020, 10 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
 
Jan. 18, 2020, 9 p.m. 1.4 ppb (1) 0.6 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
 
Jan. 18, 2020, 8 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Jan. 18, 2020, 7 p.m. 3.0 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Jan. 18, 2020, 6 p.m. 1.4 ppb (1) 0.6 ppb (1) 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
 
Jan. 18, 2020, 5 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) N/A N/A -4.0 μg/m3 (0) 33.0
 
Jan. 18, 2020, 4 p.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 18, 2020, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Jan. 18, 2020, 2 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 -4.0 μg/m3 (0) 34.0
 
Jan. 18, 2020, 1 p.m. 0.5 ppb (0) -0.3 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
 
Jan. 18, 2020, 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 N/A 34.0
 
Jan. 18, 2020, 11 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Jan. 18, 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 (0) 32.0