ID: 1863

AQSQID: 560350101

Site Name: Pinedale Gaseous

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

Updated: April 20, 2021, 9:43 a.m.

Location: Pinedale (Stuart St), WY

Reporting: True, Located: True

Current AQI: 40.0

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
April 20, 2021, 7 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
April 20, 2021, 6 a.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
April 20, 2021, 5 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
April 20, 2021, 4 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 20, 2021, 3 a.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 20, 2021, 2 a.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
April 20, 2021, 1 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A -1.0 μg/m3 (0) 43.0
 
April 20, 2021, midnight 1.3 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A -3.0 μg/m3 (0) 43.0
 
April 19, 2021, 11 p.m. 0.9 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A -2.0 μg/m3 (0) 42.0
 
April 19, 2021, 10 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
April 19, 2021, 9 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A -2.0 μg/m3 (0) 39.0
 
April 19, 2021, 8 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 19, 2021, 7 p.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
April 19, 2021, 6 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0
 
April 19, 2021, 5 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
April 19, 2021, 4 p.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
April 19, 2021, 3 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
April 19, 2021, 2 p.m. 9.6 ppb (10) 3.6 ppb (4) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
April 19, 2021, 1 p.m. 4.1 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (15) N/A N/A 3.0 μg/m3 (13) 15.0
 
April 19, 2021, noon 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
April 19, 2021, 11 a.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
April 19, 2021, 10 a.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) N/A N/A 2.0 μg/m3 (9) 16.0
 
April 19, 2021, 9 a.m. 2.9 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) N/A N/A 2.0 μg/m3 (9) 15.0
 
April 19, 2021, 8 a.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (14) N/A N/A 2.0 μg/m3 (9) 14.0
 
April 19, 2021, 7 a.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
April 19, 2021, 6 a.m. 2.7 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
April 19, 2021, 4 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
April 19, 2021, 3 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
April 19, 2021, 2 a.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 19, 2021, 1 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 19, 2021, midnight 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 1.0 μg/m3 (5) 49.0
 
April 18, 2021, 11 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A 2.0 μg/m3 (9) 50.0
 
April 18, 2021, 10 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A 4.0 μg/m3 (17) 50.0
 
April 18, 2021, 9 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 3.0 μg/m3 (13) 49.0
 
April 18, 2021, 8 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 3.0 μg/m3 (13) 49.0
 
April 18, 2021, 7 p.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 3.0 μg/m3 (13) 49.0
 
April 18, 2021, 6 p.m. 1.4 ppb (2) 0.7 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 18, 2021, 5 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A N/A 0.0 μg/m3 (0) 48.0
 
April 18, 2021, 4 p.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A 0.0 μg/m3 (0) 44.0
 
April 18, 2021, 3 p.m. 1.6 ppb (2) 0.6 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 18, 2021, 2 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
April 18, 2021, 1 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 2.0 μg/m3 (9) 23.0
 
April 18, 2021, noon 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
April 18, 2021, 11 a.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
April 18, 2021, 10 a.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) N/A N/A 1.0 μg/m3 (5) 14.0
 
April 18, 2021, 9 a.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
April 18, 2021, 8 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
April 18, 2021, 7 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
April 18, 2021, 6 a.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 5 a.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 4 a.m. 2.6 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 3 a.m. 3.1 ppb (3) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
April 18, 2021, 2 a.m. 2.4 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
April 18, 2021, 1 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (65) N/A N/A 0.0 μg/m3 (0) 65.0
 
April 18, 2021, midnight 0.9 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (68) N/A N/A 0.0 μg/m3 (0) 68.0
 
April 17, 2021, 11 p.m. 0.9 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (58) N/A N/A 1.0 μg/m3 (5) 58.0
 
April 17, 2021, 10 p.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (55) N/A N/A 1.0 μg/m3 (5) 55.0
 
April 17, 2021, 9 p.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A 0.0 μg/m3 (0) 50.0
 
April 17, 2021, 8 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (50) N/A N/A -1.0 μg/m3 (0) 50.0
 
April 17, 2021, 7 p.m. 1.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A -2.0 μg/m3 (0) 50.0
 
April 17, 2021, 6 p.m. 1.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
April 17, 2021, 5 p.m. 1.3 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 3.0 μg/m3 (13) 49.0
 
April 17, 2021, 4 p.m. 1.2 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A N/A 1.0 μg/m3 (5) 49.0
 
April 17, 2021, 3 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A 1.0 μg/m3 (5) 45.0
 
April 17, 2021, 2 p.m. 1.6 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
April 17, 2021, 1 p.m. 2.1 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A -1.0 μg/m3 (0) 23.0
 
April 17, 2021, noon 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 0.0 μg/m3 (0) 23.0
 
April 17, 2021, 11 a.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A -3.0 μg/m3 (0) 23.0
 
April 17, 2021, 10 a.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A -4.0 μg/m3 (0) 20.0
 
April 17, 2021, 9 a.m. 2.1 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
April 17, 2021, 8 a.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
April 17, 2021, 7 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 17, 2021, 6 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
April 17, 2021, 5 a.m. 2.2 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
April 17, 2021, 4 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
April 17, 2021, 3 a.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 17, 2021, 2 a.m. 1.7 ppb (2) 0.5 ppb (1) 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 17, 2021, 1 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A -1.0 μg/m3 (0) 41.0
 
April 17, 2021, midnight 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -2.0 μg/m3 (0) 39.0
 
April 16, 2021, 11 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
April 16, 2021, 10 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
April 16, 2021, 9 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 16, 2021, 8 p.m. 2.4 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 16, 2021, 7 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
April 16, 2021, 6 p.m. 1.6 ppb (2) 0.7 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 16, 2021, 5 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 16, 2021, 4 p.m. 1.3 ppb (2) 0.6 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 16, 2021, 3 p.m. 2.3 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
April 16, 2021, 2 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A N/A 0.0 μg/m3 (0) 33.0
 
April 16, 2021, 1 p.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
April 16, 2021, noon 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A 1.0 μg/m3 (5) 31.0
 
April 16, 2021, 11 a.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A N/A 2.0 μg/m3 (9) 32.0
 
April 16, 2021, 10 a.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A N/A 3.0 μg/m3 (13) 31.0
 
April 16, 2021, 9 a.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A 2.0 μg/m3 (9) 27.0
 
April 16, 2021, 8 a.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A N/A -1.0 μg/m3 (0) 28.0
 
April 16, 2021, 7 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A -2.0 μg/m3 (0) 34.0
 
April 16, 2021, 6 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 16, 2021, 5 a.m. 2.0 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
April 16, 2021, 4 a.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 16, 2021, 3 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 16, 2021, 2 a.m. 1.7 ppb (2) 0.5 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 16, 2021, 1 a.m. 1.9 ppb (2) 0.6 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 16, 2021, midnight 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 15, 2021, 11 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
April 15, 2021, 10 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
April 15, 2021, 9 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A -1.0 μg/m3 (0) 40.0
 
April 15, 2021, 8 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A -2.0 μg/m3 (0) 40.0
 
April 15, 2021, 7 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
April 15, 2021, 6 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
April 15, 2021, 5 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
April 15, 2021, 4 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A -1.0 μg/m3 (0) 41.0
 
April 15, 2021, 3 p.m. 2.2 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
April 15, 2021, 2 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -2.0 μg/m3 (0) 35.0
 
April 15, 2021, 1 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -2.0 μg/m3 (0) 35.0
 
April 15, 2021, noon 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A -1.0 μg/m3 (0) 34.0
 
April 15, 2021, 11 a.m. 1.6 ppb (2) 0.5 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 15, 2021, 10 a.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 15, 2021, 9 a.m. 1.1 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
April 15, 2021, 8 a.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
April 15, 2021, 7 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 15, 2021, 6 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 15, 2021, 5 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 15, 2021, 4 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 15, 2021, 3 a.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
April 15, 2021, 2 a.m. 2.0 ppb (2) 0.5 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 15, 2021, 1 a.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 15, 2021, midnight 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 14, 2021, 11 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
April 14, 2021, 10 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
April 14, 2021, 9 p.m. 1.4 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 14, 2021, 8 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 14, 2021, 7 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
April 14, 2021, 6 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
April 14, 2021, 5 p.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
April 14, 2021, 4 p.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
April 14, 2021, 3 p.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A N/A -3.0 μg/m3 (0) 40.0
 
April 14, 2021, 2 p.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
April 14, 2021, 1 p.m. 1.9 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
April 14, 2021, noon 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (5) 5.0
 
April 14, 2021, 11 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A 1.0 μg/m3 (5) 5.0
 
April 14, 2021, 10 a.m. 1.0 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A N/A -1.0 μg/m3 (0) 1.0
 
April 14, 2021, 9 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
April 14, 2021, 8 a.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 1.0 μg/m3 (5) 36.0
 
April 14, 2021, 7 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A N/A 1.0 μg/m3 (5) 37.0
 
April 14, 2021, 6 a.m. 1.0 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A 1.0 μg/m3 (5) 35.0
 
April 14, 2021, 5 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
April 14, 2021, 4 a.m. 1.6 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
April 14, 2021, 3 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
April 14, 2021, 2 a.m. 2.3 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
April 14, 2021, 1 a.m. 1.9 ppb (2) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
April 14, 2021, midnight 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A 3.0 μg/m3 (13) 44.0
 
April 13, 2021, 11 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
April 13, 2021, 10 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
April 13, 2021, 9 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A N/A 5.0 μg/m3 (21) 47.0
 
April 13, 2021, 8 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A N/A 4.0 μg/m3 (17) 45.0
 
April 13, 2021, 7 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
April 13, 2021, 6 p.m. 1.4 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
April 13, 2021, 5 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
April 13, 2021, 4 p.m. 2.3 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 13, 2021, 3 p.m. 2.0 ppb (2) 1.0 ppb (1) 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 13, 2021, 2 p.m. 6.1 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
April 13, 2021, 1 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
April 13, 2021, noon 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
April 13, 2021, 11 a.m. 1.7 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A N/A -2.0 μg/m3 (0) 30.0
 
April 13, 2021, 10 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A N/A -2.0 μg/m3 (0) 34.0
 
April 13, 2021, 9 a.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A N/A -1.0 μg/m3 (0) 35.0
 
April 13, 2021, 8 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A N/A 0.0 μg/m3 (0) 36.0