ID: 2668

AQSQID: 560090010

Site Name: Converse County Long-Term

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

Updated: Sept. 27, 2020, 8:39 a.m.

Location: Douglas (Highland Loop Rd), WY

Reporting: True, Located: True

Current AQI: 29.0

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
Sept. 27, 2020, 7 a.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.08 ppb (1) 23.0 μg/m3 (21) N/A 29.0
 
Sept. 27, 2020, 6 a.m. 1.5 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.08 ppb (1) 22.0 μg/m3 (20) N/A 30.0
 
Sept. 27, 2020, 5 a.m. 2.7 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.08 ppb (1) 27.0 μg/m3 (25) N/A 28.0
 
Sept. 27, 2020, 4 a.m. 1.9 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.07 ppb (1) 25.0 μg/m3 (23) N/A 28.0
 
Sept. 27, 2020, 3 a.m. 1.9 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.06 ppb (1) 11.0 μg/m3 (10) N/A 28.0
 
Sept. 27, 2020, 2 a.m. 1.8 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.06 ppb (1) 6.0 μg/m3 (5) N/A 27.0
 
Sept. 27, 2020, 1 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.06 ppb (1) 8.0 μg/m3 (7) N/A 29.0
 
Sept. 27, 2020, midnight 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.06 ppb (1) 4.0 μg/m3 (4) N/A 32.0
 
Sept. 26, 2020, 11 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.05 ppb (1) 5.0 μg/m3 (5) N/A 33.0
 
Sept. 26, 2020, 10 p.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.05 ppb (1) 8.0 μg/m3 (7) N/A 32.0
 
Sept. 26, 2020, 9 p.m. 0.8 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.04 ppb (0) 13.0 μg/m3 (12) N/A 33.0
 
Sept. 26, 2020, 8 p.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.04 ppb (0) 16.0 μg/m3 (15) N/A 34.0
 
Sept. 26, 2020, 7 p.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.04 ppb (0) 8.0 μg/m3 (7) N/A 33.0
 
Sept. 26, 2020, 6 p.m. 0.9 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.06 ppb (1) N/A N/A 33.0
 
Sept. 26, 2020, 5 p.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) 0.06 ppb (1) 69.0 μg/m3 (57) N/A 57.0
 
Sept. 26, 2020, 4 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.07 ppb (1) 101.0 μg/m3 (73) N/A 73.0
 
Sept. 26, 2020, 3 p.m. 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.08 ppb (1) N/A N/A 33.0
 
Sept. 26, 2020, 2 p.m. 0.9 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 23.0 μg/m3 (21) N/A 32.0
 
Sept. 26, 2020, 1 p.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.07 ppb (1) 22.0 μg/m3 (20) N/A 32.0
 
Sept. 26, 2020, noon 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.07 ppb (1) 27.0 μg/m3 (25) N/A 32.0
 
Sept. 26, 2020, 11 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.09 ppb (1) 22.0 μg/m3 (20) N/A 32.0
 
Sept. 26, 2020, 10 a.m. 0.8 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) N/A 32.0
 
Sept. 26, 2020, 9 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A 17.0 μg/m3 (15) N/A 32.0
 
Sept. 26, 2020, 8 a.m. 0.9 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 23.0 μg/m3 (21) N/A 32.0
 
Sept. 26, 2020, 7 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.08 ppb (1) 18.0 μg/m3 (16) N/A 32.0
 
Sept. 26, 2020, 6 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.09 ppb (1) 19.0 μg/m3 (17) N/A 35.0
 
Sept. 26, 2020, 5 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.09 ppb (1) 21.0 μg/m3 (19) N/A 38.0
 
Sept. 26, 2020, 4 a.m. 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.09 ppb (1) 25.0 μg/m3 (23) N/A 39.0
 
Sept. 26, 2020, 3 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.09 ppb (1) 33.0 μg/m3 (30) N/A 38.0
 
Sept. 26, 2020, 2 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.09 ppb (1) 28.0 μg/m3 (25) N/A 38.0
 
Sept. 26, 2020, 1 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.09 ppb (1) 27.0 μg/m3 (25) N/A 38.0
 
Sept. 26, 2020, midnight 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.11 ppb (1) 46.0 μg/m3 (42) N/A 42.0
 
Sept. 25, 2020, 11 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) 0.1 ppb (1) 54.0 μg/m3 (49) N/A 49.0
 
Sept. 25, 2020, 10 p.m. 0.6 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) 0.09 ppb (1) 49.0 μg/m3 (45) N/A 45.0
 
Sept. 25, 2020, 9 p.m. 1.3 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.11 ppb (1) 53.0 μg/m3 (48) N/A 48.0
 
Sept. 25, 2020, 8 p.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) 0.12 ppb (1) 35.0 μg/m3 (32) N/A 42.0
 
Sept. 25, 2020, 7 p.m. 1.4 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.11 ppb (1) 22.0 μg/m3 (20) N/A 39.0
 
Sept. 25, 2020, 6 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.09 ppb (1) 30.0 μg/m3 (27) N/A 36.0
 
Sept. 25, 2020, 5 p.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
Sept. 25, 2020, 4 p.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.08 ppb (1) 15.0 μg/m3 (14) N/A 35.0
 
Sept. 25, 2020, 3 p.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.08 ppb (1) 26.0 μg/m3 (24) N/A 29.0
 
Sept. 25, 2020, 2 p.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) 0.09 ppb (1) 28.0 μg/m3 (25) N/A 28.0
 
Sept. 25, 2020, 1 p.m. 2.1 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.16 ppb (2) 36.0 μg/m3 (33) N/A 33.0
 
Sept. 25, 2020, noon 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.13 ppb (1) 27.0 μg/m3 (25) N/A 28.0
 
Sept. 25, 2020, 11 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) 0.14 ppb (2) 27.0 μg/m3 (25) N/A 28.0
 
Sept. 25, 2020, 10 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 60.0 μg/m3 (52) N/A 52.0
 
Sept. 25, 2020, 9 a.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 25, 2020, 8 a.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Sept. 25, 2020, 7 a.m. 1.6 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.11 ppb (1) 38.0 μg/m3 (35) N/A 35.0
 
Sept. 25, 2020, 6 a.m. 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.13 ppb (1) N/A N/A 32.0
 
Sept. 25, 2020, 5 a.m. 1.1 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
Sept. 25, 2020, 4 a.m. 1.2 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.13 ppb (1) 24.0 μg/m3 (22) N/A 34.0
 
Sept. 25, 2020, 3 a.m. 1.1 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.13 ppb (1) 25.0 μg/m3 (23) N/A 37.0
 
Sept. 25, 2020, 2 a.m. 1.2 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.14 ppb (2) N/A N/A 39.0
 
Sept. 25, 2020, 1 a.m. 0.9 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.14 ppb (2) 24.0 μg/m3 (22) N/A 42.0
 
Sept. 25, 2020, midnight 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.15 ppb (2) 33.0 μg/m3 (30) N/A 44.0
 
Sept. 24, 2020, 11 p.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) 0.15 ppb (2) 37.0 μg/m3 (34) N/A 45.0
 
Sept. 24, 2020, 10 p.m. 1.0 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.16 ppb (2) 33.0 μg/m3 (30) N/A 44.0
 
Sept. 24, 2020, 9 p.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) 0.15 ppb (2) 48.0 μg/m3 (44) N/A 44.0
 
Sept. 24, 2020, 8 p.m. 1.1 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) 0.14 ppb (2) 36.0 μg/m3 (33) N/A 43.0
 
Sept. 24, 2020, 7 p.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 55.0 ppb (42) 0.12 ppb (1) N/A N/A 42.0
 
Sept. 24, 2020, 6 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) 0.11 ppb (1) 24.0 μg/m3 (22) N/A 41.0
 
Sept. 24, 2020, 5 p.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.11 ppb (1) 32.0 μg/m3 (29) N/A 40.0
 
Sept. 24, 2020, 4 p.m. 2.0 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.12 ppb (1) 29.0 μg/m3 (26) N/A 36.0
 
Sept. 24, 2020, 3 p.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.12 ppb (1) 33.0 μg/m3 (30) N/A 34.0
 
Sept. 24, 2020, 2 p.m. 2.5 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.12 ppb (1) 21.0 μg/m3 (19) N/A 30.0
 
Sept. 24, 2020, 1 p.m. 2.1 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.13 ppb (1) 20.0 μg/m3 (18) N/A 30.0
 
Sept. 24, 2020, noon 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.13 ppb (1) 19.0 μg/m3 (17) N/A 33.0
 
Sept. 24, 2020, 11 a.m. 2.0 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.14 ppb (2) 20.0 μg/m3 (18) N/A 32.0
 
Sept. 24, 2020, 10 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 21.0 μg/m3 (19) N/A 32.0
 
Sept. 24, 2020, 9 a.m. 1.5 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) N/A 32.0
 
Sept. 24, 2020, 8 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.13 ppb (1) 22.0 μg/m3 (20) N/A 33.0
 
Sept. 24, 2020, 7 a.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.13 ppb (1) 26.0 μg/m3 (24) N/A 33.0
 
Sept. 24, 2020, 6 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.14 ppb (2) 27.0 μg/m3 (25) N/A 36.0
 
Sept. 24, 2020, 5 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) 0.15 ppb (2) 23.0 μg/m3 (21) N/A 38.0
 
Sept. 24, 2020, 4 a.m. 1.8 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) 0.17 ppb (2) 22.0 μg/m3 (20) N/A 37.0
 
Sept. 24, 2020, 3 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.16 ppb (2) 23.0 μg/m3 (21) N/A 35.0
 
Sept. 24, 2020, 2 a.m. 1.1 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.13 ppb (1) 18.0 μg/m3 (16) N/A 35.0
 
Sept. 24, 2020, 1 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) 0.12 ppb (1) 17.0 μg/m3 (15) N/A 38.0
 
Sept. 24, 2020, midnight 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.13 ppb (1) 11.0 μg/m3 (10) N/A 42.0
 
Sept. 23, 2020, 11 p.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.14 ppb (2) 20.0 μg/m3 (18) N/A 44.0
 
Sept. 23, 2020, 10 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.13 ppb (1) 20.0 μg/m3 (18) N/A 44.0
 
Sept. 23, 2020, 9 p.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) 0.13 ppb (1) 24.0 μg/m3 (22) N/A 44.0
 
Sept. 23, 2020, 8 p.m. 1.1 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) 0.12 ppb (1) 19.0 μg/m3 (17) N/A 43.0
 
Sept. 23, 2020, 7 p.m. 1.0 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.11 ppb (1) 21.0 μg/m3 (19) N/A 42.0
 
Sept. 23, 2020, 6 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) 0.08 ppb (1) N/A N/A 40.0
 
Sept. 23, 2020, 5 p.m. 1.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) 0.07 ppb (1) 18.0 μg/m3 (16) N/A 38.0
 
Sept. 23, 2020, 4 p.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.06 ppb (1) 15.0 μg/m3 (14) N/A 38.0
 
Sept. 23, 2020, 3 p.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.06 ppb (1) 17.0 μg/m3 (15) N/A 35.0
 
Sept. 23, 2020, 2 p.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.06 ppb (1) 13.0 μg/m3 (12) N/A 33.0
 
Sept. 23, 2020, 1 p.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.05 ppb (1) 29.0 μg/m3 (26) N/A 32.0
 
Sept. 23, 2020, noon 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.06 ppb (1) 11.0 μg/m3 (10) N/A 32.0
 
Sept. 23, 2020, 11 a.m. 1.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.07 ppb (1) 24.0 μg/m3 (22) N/A 33.0
 
Sept. 23, 2020, 10 a.m. 1.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) N/A 35.0
 
Sept. 23, 2020, 9 a.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 16.0 μg/m3 (15) N/A 35.0
 
Sept. 23, 2020, 8 a.m. 1.6 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.07 ppb (1) 20.0 μg/m3 (18) N/A 38.0
 
Sept. 23, 2020, 7 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.07 ppb (1) 13.0 μg/m3 (12) N/A 38.0
 
Sept. 23, 2020, 6 a.m. 1.0 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.08 ppb (1) 19.0 μg/m3 (17) N/A 39.0
 
Sept. 23, 2020, 5 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.09 ppb (1) N/A N/A 35.0
 
Sept. 23, 2020, 4 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.09 ppb (1) 19.0 μg/m3 (17) N/A 36.0
 
Sept. 23, 2020, 3 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) 0.1 ppb (1) 26.0 μg/m3 (24) N/A 37.0
 
Sept. 23, 2020, 2 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.13 ppb (1) 19.0 μg/m3 (17) N/A 40.0
 
Sept. 23, 2020, 1 a.m. 1.1 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 60.0 ppb (46) 0.14 ppb (2) 27.0 μg/m3 (25) N/A 46.0
 
Sept. 23, 2020, midnight 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) 0.14 ppb (2) 29.0 μg/m3 (26) N/A 45.0
 
Sept. 22, 2020, 11 p.m. 1.2 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) 0.15 ppb (2) 31.0 μg/m3 (28) N/A 45.0
 
Sept. 22, 2020, 10 p.m. 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) 0.16 ppb (2) 30.0 μg/m3 (27) N/A 45.0
 
Sept. 22, 2020, 9 p.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) 0.15 ppb (2) 33.0 μg/m3 (30) N/A 46.0
 
Sept. 22, 2020, 8 p.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 62.0 ppb (48) 0.15 ppb (2) 35.0 μg/m3 (32) N/A 48.0
 
Sept. 22, 2020, 7 p.m. 1.3 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.15 ppb (2) N/A N/A 47.0
 
Sept. 22, 2020, 6 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) 0.2 ppb (2) 36.0 μg/m3 (33) N/A 44.0
 
Sept. 22, 2020, 5 p.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) 0.2 ppb (2) 39.0 μg/m3 (35) N/A 42.0
 
Sept. 22, 2020, 4 p.m. 2.3 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) 0.13 ppb (1) 21.0 μg/m3 (19) N/A 40.0
 
Sept. 22, 2020, 3 p.m. 2.9 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) 0.13 ppb (1) 26.0 μg/m3 (24) N/A 36.0
 
Sept. 22, 2020, 2 p.m. 3.3 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.13 ppb (1) 20.0 μg/m3 (18) N/A 35.0
 
Sept. 22, 2020, 1 p.m. 2.0 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) 0.14 ppb (2) N/A N/A 37.0
 
Sept. 22, 2020, noon 4.1 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.14 ppb (2) 17.0 μg/m3 (15) N/A 35.0
 
Sept. 22, 2020, 11 a.m. 8.3 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 42.0 ppb (32) 0.16 ppb (2) 18.0 μg/m3 (16) N/A 32.0
 
Sept. 22, 2020, 10 a.m. 1.9 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A 14.0 μg/m3 (13) N/A 42.0
 
Sept. 22, 2020, 9 a.m. 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A 20.0 μg/m3 (18) N/A 44.0
 
Sept. 22, 2020, 8 a.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 59.0 ppb (45) 0.15 ppb (2) N/A N/A 45.0
 
Sept. 22, 2020, 7 a.m. 2.0 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 58.0 ppb (45) 0.14 ppb (2) 14.0 μg/m3 (13) N/A 45.0
 
Sept. 22, 2020, 6 a.m. 2.7 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 57.0 ppb (44) 0.15 ppb (2) 15.0 μg/m3 (14) N/A 44.0
 
Sept. 22, 2020, 5 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) 0.18 ppb (2) 18.0 μg/m3 (16) N/A 45.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) N/A 9.0
 
Sept. 22, 2020, 3 a.m. 5.1 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 58.0 ppb (45) 0.17 ppb (2) 21.0 μg/m3 (19) N/A 45.0
 
Sept. 22, 2020, 2 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 63.0 ppb (48) 0.16 ppb (2) 8.0 μg/m3 (7) N/A 48.0
 
Sept. 22, 2020, 1 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.17 ppb (2) 7.0 μg/m3 (6) N/A 47.0
 
Sept. 22, 2020, midnight 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 66.0 ppb (51) 0.17 ppb (2) N/A N/A 51.0
 
Sept. 21, 2020, 11 p.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 65.0 ppb (50) 0.17 ppb (2) 33.0 μg/m3 (30) N/A 50.0
 
Sept. 21, 2020, 10 p.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 64.0 ppb (49) 0.16 ppb (2) 15.0 μg/m3 (14) N/A 49.0
 
Sept. 21, 2020, 9 p.m. 1.0 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (48) 0.17 ppb (2) 12.0 μg/m3 (11) N/A 48.0
 
Sept. 21, 2020, 8 p.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.17 ppb (2) 19.0 μg/m3 (17) N/A 47.0
 
Sept. 21, 2020, 7 p.m. 1.1 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 59.0 ppb (45) 0.16 ppb (2) 23.0 μg/m3 (21) N/A 45.0
 
Sept. 21, 2020, 6 p.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.16 ppb (2) 15.0 μg/m3 (14) N/A 42.0
 
Sept. 21, 2020, 5 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) 0.18 ppb (2) 19.0 μg/m3 (17) N/A 39.0
 
Sept. 21, 2020, 4 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.19 ppb (2) 24.0 μg/m3 (22) N/A 33.0
 
Sept. 21, 2020, 3 p.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.2 ppb (2) 42.0 μg/m3 (38) N/A 38.0
 
Sept. 21, 2020, 2 p.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.19 ppb (2) 22.0 μg/m3 (20) N/A 27.0
 
Sept. 21, 2020, 1 p.m. 4.2 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.19 ppb (2) 40.0 μg/m3 (36) N/A 36.0
 
Sept. 21, 2020, noon 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.2 ppb (2) 82.0 μg/m3 (64) N/A 64.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) N/A 32.0
 
Sept. 21, 2020, 10 a.m. 15.8 ppb (15) 0.8 ppb (1) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) N/A 23.0
 
Sept. 21, 2020, 9 a.m. 14.1 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) N/A 22.0
 
Sept. 21, 2020, 8 a.m. 17.6 ppb (16) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A 31.0 ppb (24) 0.21 ppb (2) 7.0 μg/m3 (6) N/A 24.0
 
Sept. 21, 2020, 7 a.m. 6.6 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.21 ppb (2) 9.0 μg/m3 (8) N/A 32.0
 
Sept. 21, 2020, 6 a.m. 27.7 ppb (26) 6.6 ppb (6) N/A 21.0 ppb (19) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A N/A 26.0
 
Sept. 21, 2020, 5 a.m. 1.0 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.22 ppb (2) 6.0 μg/m3 (5) N/A 35.0
 
Sept. 21, 2020, 4 a.m. 1.2 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.22 ppb (2) 7.0 μg/m3 (6) N/A 33.0
 
Sept. 21, 2020, 3 a.m. 1.2 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.22 ppb (2) 12.0 μg/m3 (11) N/A 33.0
 
Sept. 21, 2020, 2 a.m. 10.7 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.21 ppb (2) 13.0 μg/m3 (12) N/A 27.0
 
Sept. 21, 2020, 1 a.m. 1.9 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.21 ppb (2) 14.0 μg/m3 (13) N/A 35.0
 
Sept. 21, 2020, midnight 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) 0.21 ppb (2) 13.0 μg/m3 (12) N/A 36.0
 
Sept. 20, 2020, 11 p.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.21 ppb (2) 14.0 μg/m3 (13) N/A 38.0
 
Sept. 20, 2020, 10 p.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) 0.21 ppb (2) 13.0 μg/m3 (12) N/A 37.0
 
Sept. 20, 2020, 9 p.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.21 ppb (2) N/A N/A 38.0
 
Sept. 20, 2020, 8 p.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) 0.2 ppb (2) 14.0 μg/m3 (13) N/A 38.0
 
Sept. 20, 2020, 7 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
Sept. 20, 2020, 6 p.m. 1.3 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.19 ppb (2) 19.0 μg/m3 (17) N/A 37.0
 
Sept. 20, 2020, 5 p.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.17 ppb (2) 20.0 μg/m3 (18) N/A 36.0
 
Sept. 20, 2020, 4 p.m. 1.4 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.17 ppb (2) N/A N/A 36.0
 
Sept. 20, 2020, 3 p.m. 1.5 ppb (1) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.15 ppb (2) 22.0 μg/m3 (20) N/A 35.0
 
Sept. 20, 2020, 2 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.14 ppb (2) 24.0 μg/m3 (22) N/A 31.0
 
Sept. 20, 2020, 1 p.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) 0.13 ppb (1) 22.0 μg/m3 (20) N/A 29.0
 
Sept. 20, 2020, noon 1.4 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.13 ppb (1) 21.0 μg/m3 (19) N/A 30.0
 
Sept. 20, 2020, 11 a.m. 1.7 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.14 ppb (2) 21.0 μg/m3 (19) N/A 30.0
 
Sept. 20, 2020, 10 a.m. 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) N/A 31.0
 
Sept. 20, 2020, 9 a.m. 1.5 ppb (1) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A 30.0 μg/m3 (27) N/A 32.0
 
Sept. 20, 2020, 8 a.m. 1.2 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.12 ppb (1) 17.0 μg/m3 (15) N/A 35.0