ID: 9715

AQSQID: 840560010011

Site Name: Laramie I-80 Mobile

Added: May 25, 2021, 5:40 a.m.

Updated: Sept. 22, 2021, 9:02 a.m.

Location: Laramie (W Laramie), WY

Reporting: True, Located: True

Current AQI: 20.0

Laramie (W Laramie) WY, US: 41.324166, -105.614888

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2021, 6 a.m. 21.0 ppb (20) 2.5 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 11.0 ppb (11) N/A 2.0 μg/m3 (2) N/A 20.0
 
Sept. 22, 2021, 5 a.m. 22.9 ppb (22) 3.0 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 18.0 μg/m3 (17) N/A 22.0
 
Sept. 22, 2021, 4 a.m. 32.8 ppb (31) 9.2 ppb (9) N/A 24.0 ppb (23) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 5.0 μg/m3 (5) N/A 31.0
 
Sept. 22, 2021, 3 a.m. 45.5 ppb (43) 14.4 ppb (14) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 43.0
 
Sept. 22, 2021, 2 a.m. 27.9 ppb (27) 5.3 ppb (5) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 17.0 ppb (16) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 27.0
 
Sept. 22, 2021, 1 a.m. 77.6 ppb (77) 38.7 ppb (37) N/A 39.0 ppb (37) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 57.0 μg/m3 (52) 7.0 μg/m3 (30) 77.0
 
Sept. 22, 2021, midnight 43.5 ppb (42) 17.8 ppb (17) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 22.0 ppb (21) N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 42.0
 
Sept. 21, 2021, 11 p.m. 6.3 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 40.0
 
Sept. 21, 2021, 10 p.m. 9.8 ppb (10) 4.9 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 40.0
 
Sept. 21, 2021, 9 p.m. 8.7 ppb (9) 5.0 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 39.0
 
Sept. 21, 2021, 8 p.m. 5.9 ppb (6) 3.1 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 38.0
 
Sept. 21, 2021, 7 p.m. 6.2 ppb (6) 3.4 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 38.0
 
Sept. 21, 2021, 6 p.m. 6.1 ppb (6) 3.6 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 12.0 μg/m3 (12) 6.0 μg/m3 (25) 37.0
 
Sept. 21, 2021, 5 p.m. 8.3 ppb (8) 4.6 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 11.0 μg/m3 (11) 20.0 μg/m3 (68) 68.0
 
Sept. 21, 2021, 4 p.m. 11.5 ppb (11) 7.0 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 10.0 μg/m3 (10) 15.0 μg/m3 (58) 58.0
 
Sept. 21, 2021, 3 p.m. 13.0 ppb (13) 7.2 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2021, 2 p.m. 17.7 ppb (17) 8.5 ppb (9) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 18.0
 
Sept. 21, 2021, 1 p.m. 56.6 ppb (54) 35.8 ppb (34) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 4.0 ppb (4) N/A 26.0 μg/m3 (25) 6.0 μg/m3 (25) 54.0
 
Sept. 21, 2021, noon 39.2 ppb (37) 22.7 ppb (22) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 5.0 ppb (5) N/A 15.0 μg/m3 (14) -1.0 μg/m3 (0) 37.0
 
Sept. 21, 2021, 11 a.m. 23.0 ppb (22) 6.5 ppb (7) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 6.0 ppb (6) N/A 2.0 μg/m3 (2) 0.0 μg/m3 (0) 22.0
 
Sept. 21, 2021, 10 a.m. 32.3 ppb (31) 13.5 ppb (13) N/A 19.0 ppb (18) N/A 1.0 ppb (2) 5.0 ppb (5) N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 31.0
 
Sept. 21, 2021, 9 a.m. 16.8 ppb (16) 2.6 ppb (3) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 16.0
 
Sept. 21, 2021, 8 a.m. 14.2 ppb (14) 3.7 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (13) 14.0
 
Sept. 21, 2021, 7 a.m. 5.4 ppb (6) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 0.0 μg/m3 (0) -1.0 μg/m3 (0) 23.0
 
Sept. 21, 2021, 6 a.m. 9.3 ppb (9) 3.9 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 24.0
 
Sept. 21, 2021, 5 a.m. 19.3 ppb (19) 4.1 ppb (4) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 4.0 μg/m3 (4) 3.0 μg/m3 (13) 19.0
 
Sept. 21, 2021, 4 a.m. 12.5 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (27) N/A -2.0 μg/m3 (0) -3.0 μg/m3 (0) 27.0
 
Sept. 21, 2021, 3 a.m. 18.2 ppb (18) 6.4 ppb (7) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (25) N/A -3.0 μg/m3 (0) N/A 25.0
 
Sept. 21, 2021, 2 a.m. 3.7 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A -4.0 μg/m3 (0) N/A 34.0
 
Sept. 21, 2021, 1 a.m. 25.0 ppb (24) 6.0 ppb (6) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 21.0 ppb (20) N/A -3.0 μg/m3 (0) N/A 24.0
 
Sept. 21, 2021, midnight 9.0 ppb (9) 5.3 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 37.0
 
Sept. 20, 2021, 11 p.m. 9.8 ppb (10) 5.5 ppb (6) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 38.0
 
Sept. 20, 2021, 10 p.m. 8.0 ppb (8) 5.4 ppb (6) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 16.0 μg/m3 (15) 15.0 μg/m3 (58) 58.0
 
Sept. 20, 2021, 9 p.m. 7.5 ppb (8) 4.9 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 11.0 μg/m3 (11) 14.0 μg/m3 (55) 55.0
 
Sept. 20, 2021, 8 p.m. 5.4 ppb (6) 3.4 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 11.0 μg/m3 (11) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2021, 7 p.m. 8.5 ppb (9) 5.6 ppb (6) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 8.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2021, 6 p.m. 8.6 ppb (9) 6.0 ppb (6) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 38.0
 
Sept. 20, 2021, 5 p.m. 8.2 ppb (8) 4.9 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 4.0 μg/m3 (4) 4.0 μg/m3 (17) 38.0
 
Sept. 20, 2021, 4 p.m. 7.7 ppb (8) 4.9 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 0.0 μg/m3 (0) 5.0 μg/m3 (21) 38.0
 
Sept. 20, 2021, 3 p.m. 8.6 ppb (9) 5.3 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 5.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2021, 2 p.m. 14.0 ppb (14) 8.3 ppb (8) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 6.0 μg/m3 (6) 6.0 μg/m3 (25) 31.0
 
Sept. 20, 2021, 1 p.m. 15.5 ppb (15) 8.1 ppb (8) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 28.0
 
Sept. 20, 2021, noon 7.0 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 1.0 μg/m3 (1) 1.0 μg/m3 (5) 31.0
 
Sept. 20, 2021, 11 a.m. 5.1 ppb (5) 2.9 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 33.0
 
Sept. 20, 2021, 10 a.m. 3.2 ppb (4) 1.8 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 4.0 μg/m3 (4) 1.0 μg/m3 (5) 36.0
 
Sept. 20, 2021, 9 a.m. 3.1 ppb (3) 1.9 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 38.0
 
Sept. 20, 2021, 8 a.m. 1.9 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 1.0 μg/m3 (1) -2.0 μg/m3 (0) 38.0
 
Sept. 20, 2021, 7 a.m. 6.0 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 39.0
 
Sept. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) N/A 0.0
Sept. 20, 2021, 5 a.m. 2.1 ppb (2) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 2.0 μg/m3 (2) N/A 41.0
 
Sept. 20, 2021, 4 a.m. 8.8 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 34.0
 
Sept. 20, 2021, 3 a.m. 9.0 ppb (9) 3.7 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 35.0
 
Sept. 20, 2021, 2 a.m. 11.0 ppb (11) 5.0 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 54.0 μg/m3 (50) 8.0 μg/m3 (34) 50.0
 
Sept. 20, 2021, 1 a.m. 7.0 ppb (7) 4.5 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 32.0 μg/m3 (30) 6.0 μg/m3 (25) 40.0
 
Sept. 20, 2021, midnight 8.9 ppb (9) 5.4 ppb (6) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 19.0 μg/m3 (18) 5.0 μg/m3 (21) 40.0
 
Sept. 19, 2021, 11 p.m. 6.4 ppb (7) 3.7 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 42.0
 
Sept. 19, 2021, 10 p.m. 6.7 ppb (7) 3.8 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 32.0 μg/m3 (30) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2021, 9 p.m. 7.6 ppb (8) 4.3 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 41.0
 
Sept. 19, 2021, 8 p.m. 7.5 ppb (8) 4.0 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 29.0 μg/m3 (27) 3.0 μg/m3 (13) 41.0
 
Sept. 19, 2021, 7 p.m. 7.2 ppb (7) 4.4 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 22.0 μg/m3 (21) 2.0 μg/m3 (9) 44.0
 
Sept. 19, 2021, 6 p.m. 8.5 ppb (9) 5.7 ppb (6) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 44.0
 
Sept. 19, 2021, 5 p.m. 7.8 ppb (8) 4.5 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 8.0 μg/m3 (8) 4.0 μg/m3 (17) 40.0
 
Sept. 19, 2021, 4 p.m. 6.5 ppb (7) 4.2 ppb (4) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 38.0
 
Sept. 19, 2021, 3 p.m. 7.4 ppb (7) 4.6 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 37.0
 
Sept. 19, 2021, 2 p.m. 12.7 ppb (12) 6.7 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 31.0
 
Sept. 19, 2021, 1 p.m. 11.8 ppb (12) 6.6 ppb (7) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 31.0
 
Sept. 19, 2021, noon 3.6 ppb (4) 2.3 ppb (3) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 4.0 μg/m3 (4) -3.0 μg/m3 (0) 38.0
 
Sept. 19, 2021, 11 a.m. 7.2 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 4.0 μg/m3 (4) -4.0 μg/m3 (0) 33.0
 
Sept. 19, 2021, 10 a.m. 8.7 ppb (9) 1.3 ppb (2) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 31.0
 
Sept. 19, 2021, 9 a.m. 5.9 ppb (6) 3.0 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 36.0
 
Sept. 19, 2021, 8 a.m. 3.6 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 38.0
 
Sept. 19, 2021, 7 a.m. 2.6 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 41.0
 
Sept. 19, 2021, 6 a.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 7.0 μg/m3 (7) 6.0 μg/m3 (25) 39.0
 
Sept. 19, 2021, 5 a.m. 4.5 ppb (5) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 39.0
 
Sept. 19, 2021, 4 a.m. 6.3 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 38.0
 
Sept. 19, 2021, 3 a.m. 44.9 ppb (43) 19.0 ppb (18) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 18.0 ppb (17) N/A 46.0 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
Sept. 19, 2021, 2 a.m. 39.8 ppb (38) 18.4 ppb (18) N/A 21.0 ppb (20) N/A 1.0 ppb (2) 23.0 ppb (22) N/A 38.0 μg/m3 (36) 13.0 μg/m3 (53) 53.0
 
Sept. 19, 2021, 1 a.m. 16.8 ppb (16) 4.1 ppb (4) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 37.0 μg/m3 (35) 4.0 μg/m3 (17) 35.0
 
Sept. 19, 2021, midnight 8.0 ppb (8) 4.7 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 41.0 μg/m3 (38) 1.0 μg/m3 (5) 41.0
 
Sept. 18, 2021, 11 p.m. 8.0 ppb (8) 5.2 ppb (5) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (9) 44.0
 
Sept. 18, 2021, 10 p.m. 11.5 ppb (11) 6.1 ppb (6) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 19.0 μg/m3 (18) 2.0 μg/m3 (9) 42.0
 
Sept. 18, 2021, 9 p.m. 9.4 ppb (9) 5.3 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 44.0
 
Sept. 18, 2021, 8 p.m. 7.4 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 34.0 μg/m3 (32) 2.0 μg/m3 (9) 46.0
 
Sept. 18, 2021, 7 p.m. 9.4 ppb (9) 4.3 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 47.0
 
Sept. 18, 2021, 6 p.m. 9.5 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 24.0 μg/m3 (23) 0.0 μg/m3 (0) 49.0
 
Sept. 18, 2021, 5 p.m. 11.1 ppb (11) 4.7 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 19.0 μg/m3 (18) 0.0 μg/m3 (0) 49.0
 
Sept. 18, 2021, 4 p.m. 12.3 ppb (12) 5.4 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
Sept. 18, 2021, 3 p.m. 14.4 ppb (14) 6.3 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 43.0 μg/m3 (40) 22.0 μg/m3 (72) 72.0
 
Sept. 18, 2021, 2 p.m. 18.8 ppb (18) 7.4 ppb (7) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 31.0 μg/m3 (29) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 1 p.m. 28.4 ppb (27) 10.4 ppb (10) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 15.0 ppb (14) N/A 27.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Sept. 18, 2021, noon 47.7 ppb (45) 17.0 ppb (17) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 6.0 ppb (6) N/A 17.0 μg/m3 (16) 5.0 μg/m3 (21) 45.0
 
Sept. 18, 2021, 11 a.m. 18.9 ppb (18) 5.5 ppb (6) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2021, 10 a.m. 34.0 ppb (33) 16.9 ppb (16) N/A 17.0 ppb (17) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 31.0 μg/m3 (29) 5.0 μg/m3 (21) 33.0
 
Sept. 18, 2021, 9 a.m. 20.9 ppb (20) 3.5 ppb (4) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (12) N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 20.0
 
Sept. 18, 2021, 8 a.m. 26.7 ppb (26) 3.8 ppb (4) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 7.0 ppb (7) N/A 21.0 μg/m3 (20) -2.0 μg/m3 (0) 26.0
 
Sept. 18, 2021, 7 a.m. 17.1 ppb (17) 0.7 ppb (1) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 16.0 μg/m3 (15) 0.0 μg/m3 (0) 18.0
 
Sept. 18, 2021, 6 a.m. 18.6 ppb (18) 1.6 ppb (2) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 22.0
 
Sept. 18, 2021, 5 a.m. 17.1 ppb (17) 2.1 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 27.0 μg/m3 (25) 5.0 μg/m3 (21) 28.0
 
Sept. 18, 2021, 4 a.m. 27.4 ppb (26) 4.8 ppb (5) N/A 23.0 ppb (22) N/A 0.0 ppb (0) 29.0 ppb (27) N/A 35.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2021, 3 a.m. 29.6 ppb (28) 6.0 ppb (6) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
Sept. 18, 2021, 2 a.m. 5.9 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 31.0 μg/m3 (29) 10.0 μg/m3 (42) 44.0
 
Sept. 18, 2021, 1 a.m. 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 38.0 μg/m3 (36) 9.0 μg/m3 (38) 46.0
 
Sept. 18, 2021, midnight 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 46.0
 
Sept. 17, 2021, 11 p.m. 2.5 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 31.0 μg/m3 (29) 5.0 μg/m3 (21) 48.0
 
Sept. 17, 2021, 10 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 24.0 μg/m3 (23) 0.0 μg/m3 (0) 47.0
 
Sept. 17, 2021, 9 p.m. 15.1 ppb (15) 4.7 ppb (5) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 29.0 μg/m3 (27) 0.0 μg/m3 (0) 40.0
 
Sept. 17, 2021, 8 p.m. 7.5 ppb (8) 2.5 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 25.0 μg/m3 (24) 3.0 μg/m3 (13) 46.0
 
Sept. 17, 2021, 7 p.m. 25.4 ppb (24) 9.9 ppb (10) N/A 15.0 ppb (15) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 41.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 17, 2021, 6 p.m. 11.5 ppb (11) 4.3 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2021, 5 p.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 22.0 μg/m3 (21) 22.0 μg/m3 (72) 72.0
 
Sept. 17, 2021, 4 p.m. 3.3 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 32.0 μg/m3 (30) 15.0 μg/m3 (58) 58.0
 
Sept. 17, 2021, 3 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 32.0 μg/m3 (30) 8.0 μg/m3 (34) 38.0
 
Sept. 17, 2021, 2 p.m. 2.3 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 38.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2021, 1 p.m. 14.1 ppb (14) 3.8 ppb (4) N/A 10.0 ppb (10) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 35.0 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
Sept. 17, 2021, noon 21.3 ppb (21) 5.7 ppb (6) N/A 16.0 ppb (16) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 27.0 μg/m3 (25) 3.0 μg/m3 (13) 25.0
 
Sept. 17, 2021, 11 a.m. 4.6 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 28.0
 
Sept. 17, 2021, 10 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 7.0 μg/m3 (7) -4.0 μg/m3 (0) 35.0
 
Sept. 17, 2021, 9 a.m. 1.2 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 3.0 μg/m3 (3) -3.0 μg/m3 (0) 36.0
 
Sept. 17, 2021, 8 a.m. 13.8 ppb (14) 2.7 ppb (3) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 25.0
 
Sept. 17, 2021, 7 a.m. 7.8 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 38.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
Sept. 17, 2021, 6 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 47.0 μg/m3 (44) 4.0 μg/m3 (17) 44.0
 
Sept. 17, 2021, 5 a.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 38.0
 
Sept. 17, 2021, 4 a.m. 30.4 ppb (29) 6.5 ppb (7) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 26.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Sept. 17, 2021, 3 a.m. 27.4 ppb (26) 6.6 ppb (7) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 23.0 ppb (22) N/A 74.0 μg/m3 (61) 18.0 μg/m3 (64) 64.0
 
Sept. 17, 2021, 2 a.m. 14.5 ppb (14) 6.3 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 136.0 μg/m3 (92) 22.0 μg/m3 (72) 92.0
 
Sept. 17, 2021, 1 a.m. 15.0 ppb (15) 6.7 ppb (7) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (38) N/A 40.0 μg/m3 (38) 8.0 μg/m3 (34) 38.0
 
Sept. 17, 2021, midnight 10.5 ppb (10) 5.4 ppb (6) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 69.0 μg/m3 (58) 8.0 μg/m3 (34) 58.0
 
Sept. 16, 2021, 11 p.m. 8.7 ppb (9) 4.7 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (49) N/A N/A 7.0 μg/m3 (30) 49.0
 
Sept. 16, 2021, 10 p.m. 9.1 ppb (9) 5.0 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 22.0 μg/m3 (21) N/A 50.0
 
Sept. 16, 2021, 9 p.m. 8.2 ppb (8) 4.5 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 19.0 μg/m3 (18) -4.0 μg/m3 (0) 50.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Sept. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
Sept. 16, 2021, 6 p.m. 6.5 ppb (7) 3.4 ppb (4) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 26.0 μg/m3 (25) 10.0 μg/m3 (42) 51.0
 
Sept. 16, 2021, 5 p.m. 8.4 ppb (8) 4.4 ppb (5) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 16.0 μg/m3 (15) 11.0 μg/m3 (46) 51.0
 
Sept. 16, 2021, 4 p.m. 11.3 ppb (11) 4.4 ppb (5) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 20.0 μg/m3 (19) 26.0 μg/m3 (81) 81.0
 
Sept. 16, 2021, 3 p.m. 10.6 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 33.0 μg/m3 (31) 28.0 μg/m3 (85) 85.0
 
Sept. 16, 2021, 2 p.m. 23.9 ppb (23) 6.6 ppb (7) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 43.0 μg/m3 (40) 26.0 μg/m3 (81) 81.0
 
Sept. 16, 2021, 1 p.m. 26.1 ppb (25) 4.4 ppb (5) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 36.0 μg/m3 (34) 7.0 μg/m3 (30) 34.0
 
Sept. 16, 2021, noon 37.9 ppb (36) 7.0 ppb (7) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 13.0 ppb (13) N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
Sept. 16, 2021, 11 a.m. 35.0 ppb (34) 2.5 ppb (3) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 18.0 ppb (17) N/A 24.0 μg/m3 (23) 1.0 μg/m3 (5) 34.0
 
Sept. 16, 2021, 10 a.m. 16.1 ppb (16) 2.1 ppb (2) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 8.0 μg/m3 (8) -2.0 μg/m3 (0) 33.0
 
Sept. 16, 2021, 9 a.m. 13.0 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 6.0 μg/m3 (6) N/A 28.0
 
Sept. 16, 2021, 8 a.m. 11.7 ppb (12) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 10.0 μg/m3 (10) -1.0 μg/m3 (0) 34.0
 
Sept. 16, 2021, 7 a.m. 43.1 ppb (41) 6.6 ppb (7) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 11.0 ppb (11) N/A 10.0 μg/m3 (10) -2.0 μg/m3 (0) 41.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) -3.0 μg/m3 (0) 6.0
 
Sept. 16, 2021, 5 a.m. 25.0 ppb (24) 4.3 ppb (5) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 30.0
 
Sept. 16, 2021, 4 a.m. 34.7 ppb (33) 5.4 ppb (6) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 25.0 ppb (24) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 33.0
 
Sept. 16, 2021, 3 a.m. 44.7 ppb (43) 6.8 ppb (7) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 15.0 ppb (14) N/A 29.0 μg/m3 (27) 6.0 μg/m3 (25) 43.0
 
Sept. 16, 2021, 2 a.m. 20.9 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 55.0 μg/m3 (51) 10.0 μg/m3 (42) 51.0
 
Sept. 16, 2021, 1 a.m. 13.6 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 100.0 μg/m3 (74) 13.0 μg/m3 (53) 74.0
 
Sept. 16, 2021, midnight 12.9 ppb (13) 5.8 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 55.0 μg/m3 (51) 2.0 μg/m3 (9) 68.0
 
Sept. 15, 2021, 11 p.m. 11.3 ppb (11) 5.4 ppb (6) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 63.0 ppb (78) N/A 27.0 μg/m3 (25) 2.0 μg/m3 (9) 78.0
 
Sept. 15, 2021, 10 p.m. 10.3 ppb (10) 5.2 ppb (5) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 56.0 ppb (55) N/A 22.0 μg/m3 (21) 3.0 μg/m3 (13) 55.0
 
Sept. 15, 2021, 9 p.m. 12.5 ppb (12) 7.2 ppb (7) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 21.0 μg/m3 (20) 4.0 μg/m3 (17) 47.0
 
Sept. 15, 2021, 8 p.m. 10.0 ppb (10) 5.4 ppb (6) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 13.0 μg/m3 (13) 3.0 μg/m3 (13) 46.0
 
Sept. 15, 2021, 7 p.m. 10.2 ppb (10) 6.0 ppb (6) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 45.0
 
Sept. 15, 2021, 6 p.m. 10.4 ppb (10) 6.2 ppb (6) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 5 p.m. 12.0 ppb (12) 5.5 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 13.0 μg/m3 (13) 10.0 μg/m3 (42) 51.0
 
Sept. 15, 2021, 4 p.m. 12.2 ppb (12) 5.6 ppb (6) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 58.0 ppb (61) N/A 20.0 μg/m3 (19) 17.0 μg/m3 (62) 62.0
 
Sept. 15, 2021, 3 p.m. 10.2 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 58.0 ppb (61) N/A 44.0 μg/m3 (41) 30.0 μg/m3 (89) 89.0
 
Sept. 15, 2021, 2 p.m. 14.5 ppb (14) 5.2 ppb (5) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 35.0 μg/m3 (33) 21.0 μg/m3 (70) 70.0
 
Sept. 15, 2021, 1 p.m. 22.9 ppb (22) 8.6 ppb (9) N/A 14.0 ppb (14) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 28.0 μg/m3 (26) 14.0 μg/m3 (55) 55.0
 
Sept. 15, 2021, noon 15.6 ppb (15) 5.8 ppb (6) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 41.0
 
Sept. 15, 2021, 11 a.m. 29.7 ppb (29) 7.2 ppb (7) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 20.0 ppb (19) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 29.0
 
Sept. 15, 2021, 10 a.m. 14.1 ppb (14) 0.4 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 8.0 μg/m3 (8) -4.0 μg/m3 (0) 18.0
 
Sept. 15, 2021, 9 a.m. 21.9 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 9.0 ppb (9) N/A 12.0 μg/m3 (12) N/A 21.0
 
Sept. 15, 2021, 8 a.m. 19.8 ppb (19) 1.9 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (2) 10.0 ppb (10) N/A 9.0 μg/m3 (9) N/A 19.0
 
Sept. 15, 2021, 7 a.m. 21.3 ppb (21) 3.0 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (18) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (9) 21.0