ID: 2668

AQSQID: 560090010

Site Name: Converse County Long-Term

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

Updated: May 28, 2022, 12:41 p.m.

Location: Douglas (Highland Loop Rd), WY

Reporting: True, Located: True

Current AQI: 25.0

Douglas (Highland Loop Rd) WY, US: 43.1, -105.5

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 28, 2022, 10 a.m. 3.0 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.09 ppb (2) 15.0 μg/m3 (14) N/A 25.0
 
May 28, 2022, 9 a.m. 3.4 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.09 ppb (2) 22.0 μg/m3 (21) N/A 29.0
 
May 28, 2022, 8 a.m. 2.7 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 29.0
 
May 28, 2022, 7 a.m. 6.1 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 25.0
 
May 28, 2022, 7 a.m. 6.1 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (25) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 25.0
 
May 28, 2022, 6 a.m. 8.0 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.09 ppb (2) 9.0 μg/m3 (9) N/A 25.0
 
May 28, 2022, 6 a.m. 8.0 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (8) N/A N/A 26.0 ppb (25) 0.09 ppb (2) 9.0 μg/m3 (9) N/A 25.0
 
May 28, 2022, 5 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.08 ppb (2) 20.0 μg/m3 (19) N/A 30.0
 
May 28, 2022, 5 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.08 ppb (2) 20.0 μg/m3 (19) N/A 30.0
 
May 28, 2022, 3 a.m. 1.2 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.08 ppb (2) 20.0 μg/m3 (19) N/A 33.0
 
May 27, 2022, 7 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 294.0 μg/m3 (171) N/A 171.0
 
May 27, 2022, 6 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 328.0 μg/m3 (188) N/A 188.0
 
May 27, 2022, 5 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.08 ppb (2) 252.0 μg/m3 (150) N/A 150.0
 
May 27, 2022, 4 p.m. 4.3 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) 0.08 ppb (2) 290.0 μg/m3 (169) N/A 169.0
 
May 27, 2022, 3 p.m. 3.8 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.07 ppb (2) 575.0 μg/m3 (471) N/A 471.0
 
May 27, 2022, 2 p.m. 2.5 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.07 ppb (2) 268.0 μg/m3 (158) N/A 158.0
 
May 27, 2022, 5 a.m. 5.7 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.09 ppb (2) 45.0 μg/m3 (42) N/A 42.0
 
May 27, 2022, 4 a.m. 2.4 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.07 ppb (2) 27.0 μg/m3 (25) N/A 35.0
 
May 27, 2022, 3 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) 0.08 ppb (2) 69.0 μg/m3 (58) N/A 58.0
 
May 27, 2022, 2 a.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.07 ppb (2) 0.0 μg/m3 (0) N/A 37.0
 
May 27, 2022, 1 a.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) 0.08 ppb (2) N/A N/A 37.0
 
May 27, 2022, midnight 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 41.0
 
May 26, 2022, 11 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.09 ppb (2) 3.0 μg/m3 (3) N/A 42.0
 
May 26, 2022, 10 p.m. -0.1 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) 0.09 ppb (2) 4.0 μg/m3 (4) N/A 43.0
 
May 26, 2022, 9 p.m. -0.1 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.09 ppb (2) 7.0 μg/m3 (7) N/A 41.0
 
May 26, 2022, 8 p.m. -0.1 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.09 ppb (2) 9.0 μg/m3 (9) N/A 41.0
 
May 26, 2022, 7 p.m. 0.3 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.09 ppb (2) 43.0 μg/m3 (40) N/A 40.0
 
May 26, 2022, 6 p.m. 0.0 ppb (0) -0.5 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.09 ppb (2) 18.0 μg/m3 (17) N/A 39.0
 
May 26, 2022, 5 p.m. 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.09 ppb (2) 9.0 μg/m3 (9) N/A 39.0
 
May 26, 2022, 4 p.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.09 ppb (2) 37.0 μg/m3 (35) N/A 38.0
 
May 26, 2022, 3 p.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.09 ppb (2) 98.0 μg/m3 (73) N/A 73.0
 
May 26, 2022, 2 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 215.0 μg/m3 (131) N/A 131.0
 
May 26, 2022, 5 a.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 3.0 μg/m3 (3) N/A 35.0
 
May 26, 2022, 4 a.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 38.0
 
May 26, 2022, 1 a.m. -0.1 ppb (0) -0.5 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.08 ppb (2) 2.0 μg/m3 (2) N/A 35.0
 
May 26, 2022, midnight 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 42.0
 
May 25, 2022, 11 p.m. 0.0 ppb (0) -0.4 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 2.0 μg/m3 (2) N/A 44.0
 
May 25, 2022, 10 p.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 45.0
 
May 25, 2022, 8 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 54.0 μg/m3 (50) N/A 50.0
 
May 25, 2022, 7 p.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.11 ppb (2) 42.0 μg/m3 (39) N/A 45.0
 
May 25, 2022, 6 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.11 ppb (2) 9.0 μg/m3 (9) N/A 45.0
 
May 25, 2022, 6 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.11 ppb (2) 9.0 μg/m3 (9) N/A 45.0
 
May 25, 2022, 5 p.m. 0.2 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 8.0 μg/m3 (8) N/A 42.0
 
May 25, 2022, 5 p.m. 0.2 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 8.0 μg/m3 (8) N/A 42.0
 
May 25, 2022, 4 p.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.1 ppb (2) 15.0 μg/m3 (14) N/A 40.0
 
May 25, 2022, 3 p.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 12.0 μg/m3 (12) N/A 38.0
 
May 25, 2022, 5 a.m. 1.0 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 33.0
 
May 25, 2022, 4 a.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.08 ppb (2) 1.0 μg/m3 (1) N/A 37.0
 
May 25, 2022, 1 a.m. 0.3 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 39.0
 
May 25, 2022, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.09 ppb (2) 3.0 μg/m3 (3) N/A 41.0
 
May 24, 2022, 9 p.m. 0.2 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.11 ppb (2) N/A N/A 43.0
 
May 24, 2022, 8 p.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.11 ppb (2) 105.0 μg/m3 (76) N/A 76.0
 
May 24, 2022, 7 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 77.0 μg/m3 (62) N/A 62.0
 
May 24, 2022, 6 p.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 123.0 μg/m3 (85) N/A 85.0
 
May 24, 2022, 5 p.m. 4.9 ppb (5) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.11 ppb (2) 72.0 μg/m3 (60) N/A 60.0
 
May 24, 2022, 4 p.m. 5.1 ppb (5) 1.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.1 ppb (2) 30.0 μg/m3 (28) N/A 39.0
 
May 24, 2022, 3 p.m. 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 56.0 μg/m3 (52) N/A 52.0
 
May 24, 2022, 2 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.08 ppb (2) 15.0 μg/m3 (14) N/A 31.0
 
May 24, 2022, 1 p.m. 3.8 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.08 ppb (2) 29.0 μg/m3 (27) N/A 27.0
 
May 24, 2022, noon 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 21.0
 
May 24, 2022, 10 a.m. 0.7 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.09 ppb (2) 1.0 μg/m3 (1) N/A 39.0
 
May 24, 2022, 9 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.07 ppb (2) 1.0 μg/m3 (1) N/A 32.0
 
May 24, 2022, 8 a.m. 1.3 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.08 ppb (2) 4.0 μg/m3 (4) N/A 30.0
 
May 24, 2022, 6 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) 0.08 ppb (2) 5.0 μg/m3 (5) N/A 31.0
 
May 24, 2022, 5 a.m. 1.1 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.08 ppb (2) 11.0 μg/m3 (11) N/A 30.0
 
May 24, 2022, 4 a.m. 1.2 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.08 ppb (2) 7.0 μg/m3 (7) N/A 30.0
 
May 24, 2022, 3 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.09 ppb (2) 9.0 μg/m3 (9) N/A 32.0
 
May 24, 2022, 2 a.m. 1.6 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 7.0 μg/m3 (7) N/A 38.0
 
May 24, 2022, 2 a.m. 1.6 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 7.0 μg/m3 (7) N/A 38.0
 
May 24, 2022, 1 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 41.0
 
May 24, 2022, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 46.0
 
May 24, 2022, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 46.0
 
May 23, 2022, 11 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 47.0
 
May 23, 2022, 11 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 47.0
 
May 23, 2022, 7 p.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.11 ppb (2) 9.0 μg/m3 (9) N/A 46.0
 
May 23, 2022, 6 p.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) 5.0 μg/m3 (5) N/A 39.0
 
May 23, 2022, 2 p.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.08 ppb (2) 5.0 μg/m3 (5) N/A 28.0
 
May 23, 2022, 10 a.m. 3.2 ppb (4) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.14 ppb (2) 41.0 μg/m3 (38) N/A 38.0
 
May 23, 2022, 10 a.m. 3.2 ppb (4) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) 0.14 ppb (2) 41.0 μg/m3 (38) N/A 38.0
 
May 23, 2022, 9 a.m. 1.3 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.08 ppb (2) 4.0 μg/m3 (4) N/A 28.0
 
May 23, 2022, 3 a.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.09 ppb (2) 11.0 μg/m3 (11) N/A 38.0
 
May 23, 2022, 2 a.m. 0.8 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.09 ppb (2) 32.0 μg/m3 (30) N/A 37.0
 
May 23, 2022, 1 a.m. 0.7 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.1 ppb (2) 26.0 μg/m3 (25) N/A 41.0
 
May 23, 2022, midnight 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.1 ppb (2) 18.0 μg/m3 (17) N/A 48.0
 
May 22, 2022, 11 p.m. 0.4 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 89.0 μg/m3 (68) N/A 68.0
 
May 22, 2022, 9 p.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.1 ppb (2) 73.0 μg/m3 (60) N/A 60.0
 
May 22, 2022, 8 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.1 ppb (2) N/A N/A 45.0
 
May 22, 2022, 7 p.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.11 ppb (2) 87.0 μg/m3 (67) N/A 67.0
 
May 22, 2022, 6 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.1 ppb (2) 12.0 μg/m3 (12) N/A 43.0
 
May 22, 2022, 5 p.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 60.0 μg/m3 (54) N/A 54.0
 
May 22, 2022, 4 p.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.1 ppb (2) 17.0 μg/m3 (16) N/A 41.0
 
May 22, 2022, 3 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.09 ppb (2) 27.0 μg/m3 (25) N/A 40.0
 
May 22, 2022, 2 p.m. 1.9 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 16.0 μg/m3 (15) N/A 35.0
 
May 22, 2022, 1 p.m. 6.7 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.09 ppb (2) 13.0 μg/m3 (13) N/A 28.0
 
May 22, 2022, noon 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (27) 0.09 ppb (2) 23.0 μg/m3 (22) N/A 27.0
 
May 22, 2022, 11 a.m. 3.5 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.09 ppb (2) 15.0 μg/m3 (14) N/A 29.0
 
May 22, 2022, 10 a.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.12 ppb (2) 9.0 μg/m3 (9) N/A 26.0
 
May 22, 2022, 9 a.m. 4.0 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.09 ppb (2) 1.0 μg/m3 (1) N/A 30.0
 
May 22, 2022, 8 a.m. 4.6 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.09 ppb (2) 1.0 μg/m3 (1) N/A 28.0
 
May 22, 2022, 7 a.m. 3.1 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 31.0
 
May 22, 2022, 5 a.m. 2.5 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (32) 0.09 ppb (2) 16.0 μg/m3 (15) N/A 32.0
 
May 22, 2022, 3 a.m. 0.5 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.09 ppb (2) 2.0 μg/m3 (2) N/A 34.0
 
May 22, 2022, 2 a.m. 0.4 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 3.0 μg/m3 (3) N/A 35.0
 
May 22, 2022, 1 a.m. 0.1 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) 2.0 μg/m3 (2) N/A 38.0
 
May 22, 2022, midnight 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.11 ppb (2) 2.0 μg/m3 (2) N/A 39.0
 
May 21, 2022, 11 p.m. 0.6 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.11 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 21, 2022, 10 p.m. 0.4 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.11 ppb (2) -4.0 μg/m3 (0) N/A 40.0
 
May 21, 2022, 9 p.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.11 ppb (2) 0.0 μg/m3 (0) N/A 39.0
 
May 21, 2022, 8 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.11 ppb (2) 2.0 μg/m3 (2) N/A 39.0
 
May 21, 2022, 7 p.m. 0.4 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) 0.11 ppb (2) -2.0 μg/m3 (0) N/A 40.0
 
May 21, 2022, 6 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) 0.1 ppb (2) -2.0 μg/m3 (0) N/A 39.0
 
May 21, 2022, 5 p.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 21, 2022, 4 p.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 21, 2022, 3 p.m. 0.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 21, 2022, 2 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.1 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 21, 2022, 1 p.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) -3.0 μg/m3 (0) N/A 35.0
 
May 21, 2022, noon 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.08 ppb (2) -3.0 μg/m3 (0) N/A 26.0
 
May 21, 2022, 10 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.1 ppb (2) -4.0 μg/m3 (0) N/A 29.0
 
May 21, 2022, 9 a.m. 1.4 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.09 ppb (2) 2.0 μg/m3 (2) N/A 28.0
 
May 21, 2022, 8 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 25.0
 
May 21, 2022, 4 a.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) 0.09 ppb (2) 6.0 μg/m3 (6) N/A 34.0
 
May 21, 2022, 3 a.m. 0.4 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 33.0
 
May 21, 2022, 2 a.m. 0.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) 5.0 μg/m3 (5) N/A 35.0
 
May 21, 2022, 1 a.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 38.0
 
May 21, 2022, midnight 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.1 ppb (2) 5.0 μg/m3 (5) N/A 38.0
 
May 20, 2022, 11 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.11 ppb (2) 2.0 μg/m3 (2) N/A 38.0
 
May 20, 2022, 10 p.m. 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) 0.11 ppb (2) -2.0 μg/m3 (0) N/A 40.0
 
May 20, 2022, 9 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.12 ppb (2) -3.0 μg/m3 (0) N/A 39.0
 
May 20, 2022, 7 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.12 ppb (2) 2.0 μg/m3 (2) N/A 36.0
 
May 20, 2022, 6 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) 0.12 ppb (2) 5.0 μg/m3 (5) N/A 38.0
 
May 20, 2022, 5 p.m. 0.1 ppb (1) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) 0.12 ppb (2) 1.0 μg/m3 (1) N/A 36.0
 
May 20, 2022, 4 p.m. 0.0 ppb (0) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) 0.12 ppb (2) 2.0 μg/m3 (2) N/A 35.0
 
May 20, 2022, 3 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (29) 0.12 ppb (2) 1.0 μg/m3 (1) N/A 29.0
 
May 20, 2022, 2 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (30) 0.12 ppb (2) 0.0 μg/m3 (0) N/A 30.0
 
May 20, 2022, 1 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) 0.11 ppb (2) 4.0 μg/m3 (4) N/A 32.0
 
May 20, 2022, 11 a.m. 0.6 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) 0.1 ppb (2) 1.0 μg/m3 (1) N/A 30.0
 
May 20, 2022, 10 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.1 ppb (2) 3.0 μg/m3 (3) N/A 32.0
 
May 20, 2022, 9 a.m. 0.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.1 ppb (2) 4.0 μg/m3 (4) N/A 36.0
 
May 20, 2022, 8 a.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.1 ppb (2) 2.0 μg/m3 (2) N/A 37.0
 
May 20, 2022, 7 a.m. 0.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 38.0
 
May 20, 2022, 6 a.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.09 ppb (2) 2.0 μg/m3 (2) N/A 36.0
 
May 20, 2022, 5 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) 0.09 ppb (2) 3.0 μg/m3 (3) N/A 33.0
 
May 20, 2022, 4 a.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 35.0
 
May 20, 2022, 3 a.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) 0.09 ppb (2) 0.0 μg/m3 (0) N/A 36.0
 
May 20, 2022, 2 a.m. 0.4 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 35.0
 
May 20, 2022, 1 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (36) 0.08 ppb (2) 3.0 μg/m3 (3) N/A 36.0
 
May 20, 2022, midnight 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) 0.08 ppb (2) 0.0 μg/m3 (0) N/A 38.0
 
May 19, 2022, 11 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.07 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 19, 2022, 11 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) 0.07 ppb (2) -2.0 μg/m3 (0) N/A 38.0
 
May 19, 2022, 10 p.m. 0.2 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) 0.07 ppb (2) 1.0 μg/m3 (1) N/A 39.0
 
May 19, 2022, 9 p.m. 0.1 ppb (1) -0.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) 0.07 ppb (2) 1.0 μg/m3 (1) N/A 41.0
 
May 19, 2022, 8 p.m. 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.08 ppb (2) 3.0 μg/m3 (3) N/A 42.0
 
May 19, 2022, 7 p.m. 0.0 ppb (0) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) 0.08 ppb (2) 4.0 μg/m3 (4) N/A 44.0
 
May 19, 2022, 4 p.m. 0.1 ppb (1) -0.3 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) 0.08 ppb (2) N/A N/A 43.0
 
May 19, 2022, 6 a.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) 0.07 ppb (2) N/A N/A 37.0
 
May 19, 2022, 5 a.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.08 ppb (2) N/A N/A 34.0
 
May 19, 2022, 4 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.08 ppb (2) N/A N/A 34.0
 
May 19, 2022, 3 a.m. 9.3 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.09 ppb (2) N/A N/A 29.0
 
May 19, 2022, 2 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (37) 0.09 ppb (2) N/A N/A 37.0
 
May 19, 2022, 1 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.08 ppb (2) N/A N/A 38.0
 
May 18, 2022, 11 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) 0.09 ppb (2) N/A N/A 43.0
 
May 18, 2022, 10 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.09 ppb (2) N/A N/A 44.0
 
May 18, 2022, 9 p.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) 0.09 ppb (2) N/A N/A 44.0
 
May 18, 2022, 8 p.m. 0.0 ppb (0) -0.5 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) 0.09 ppb (2) N/A N/A 42.0
 
May 18, 2022, 7 p.m. 0.6 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (41) 0.09 ppb (2) N/A N/A 41.0
 
May 18, 2022, 5 p.m. 0.5 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) 0.1 ppb (2) N/A N/A 38.0
 
May 18, 2022, 4 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) 0.09 ppb (2) N/A N/A 35.0
 
May 18, 2022, 3 p.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0