ID: 880

AQSQID: 511130003

Site Name: Shenandoah Np

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

Updated: Jan. 19, 2022, 6:34 a.m.

Location: Luray (Big Meadows Air Quality Rd), VA

Reporting: True, Located: True

Current AQI: 38.0

Luray (Big Meadows Air Quality Rd) VA, US: 38.5231, -78.4347

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Jan. 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.8 μg/m3 (12) 40.0
 
Jan. 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.2 μg/m3 (5) 39.0
 
Jan. 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Jan. 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.7 μg/m3 (24) 34.0
 
Jan. 19, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.1 μg/m3 (22) 33.0
 
Jan. 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.9 μg/m3 (29) 36.0
 
Jan. 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.1 μg/m3 (26) 35.0
 
Jan. 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.4 μg/m3 (19) 35.0
 
Jan. 18, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.4 μg/m3 (23) 34.0
 
Jan. 18, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.5 μg/m3 (23) 32.0
 
Jan. 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.2 μg/m3 (22) 31.0
 
Jan. 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
Jan. 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.3 μg/m3 (23) 30.0
 
Jan. 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.4 μg/m3 (27) 29.0
 
Jan. 18, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.3 μg/m3 (23) 28.0
 
Jan. 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.7 μg/m3 (24) 27.0
 
Jan. 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.3 μg/m3 (18) 27.0
 
Jan. 18, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.7 μg/m3 (16) 27.0
 
Jan. 18, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.2 μg/m3 (14) 28.0
 
Jan. 18, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.1 μg/m3 (18) 28.0
 
Jan. 18, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.4 μg/m3 (15) 31.0
 
Jan. 18, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.8 μg/m3 (16) 30.0
 
Jan. 18, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
Jan. 18, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.3 μg/m3 (27) 29.0
 
Jan. 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.6 μg/m3 (20) 25.0
 
Jan. 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.7 μg/m3 (16) 25.0
 
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.5 μg/m3 (23) 25.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.5 μg/m3 (19) 29.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 7.3 μg/m3 (31) 35.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.8 μg/m3 (29) 38.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.3 μg/m3 (27) 38.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.4 μg/m3 (36) 37.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.7 μg/m3 (24) 30.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.8 μg/m3 (25) 28.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.7 μg/m3 (24) 28.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.5 μg/m3 (23) 27.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 4.5 μg/m3 (19) 28.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 4.8 μg/m3 (20) 26.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.1 μg/m3 (5) 26.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A -0.6 μg/m3 (0) 25.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 0.4 μg/m3 (2) 23.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -2.5 μg/m3 (0) 32.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -2.3 μg/m3 (0) 32.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -4.0 μg/m3 (0) 31.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -2.3 μg/m3 (0) 31.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -4.7 μg/m3 (0) 32.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -2.8 μg/m3 (0) 32.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -2.4 μg/m3 (0) 35.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -0.2 μg/m3 (0) 34.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 0.3 μg/m3 (2) 36.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -0.3 μg/m3 (0) 36.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.0 μg/m3 (0) 34.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.6 μg/m3 (3) 34.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.3 μg/m3 (18) 35.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.5 μg/m3 (11) 36.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.1 μg/m3 (13) 35.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.5 μg/m3 (11) 39.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.8 μg/m3 (4) 41.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A -0.4 μg/m3 (0) 41.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.7 μg/m3 (8) 40.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.7 μg/m3 (12) 39.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -0.1 μg/m3 (0) 40.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.9 μg/m3 (8) 37.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.8 μg/m3 (20) 34.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.5 μg/m3 (15) 35.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.8 μg/m3 (12) 38.0
 
Jan. 16, 2022, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.4 μg/m3 (15) 37.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.9 μg/m3 (21) 34.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.7 μg/m3 (16) 38.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.5 μg/m3 (11) 38.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.5 μg/m3 (7) 38.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.9 μg/m3 (8) 35.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.8 μg/m3 (20) 32.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 4.4 μg/m3 (19) 31.0
 
Jan. 15, 2022, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.8 μg/m3 (16) 33.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 4.6 μg/m3 (20) 30.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.8 μg/m3 (29) 30.0
 
Jan. 15, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 14, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.1 μg/m3 (22) 38.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.2 μg/m3 (22) 38.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.9 μg/m3 (0) 38.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.6 μg/m3 (16) 38.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.7 μg/m3 (12) 37.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 4.4 μg/m3 (19) 36.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.3 μg/m3 (14) 38.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.2 μg/m3 (14) 38.0
 
Jan. 13, 2022, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.4 μg/m3 (15) 39.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.6 μg/m3 (16) 38.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.4 μg/m3 (15) 38.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.9 μg/m3 (13) 39.0
 
Jan. 12, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.8 μg/m3 (12) 39.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.5 μg/m3 (7) 39.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.8 μg/m3 (4) 39.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.1 μg/m3 (5) 38.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.5 μg/m3 (11) 38.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.4 μg/m3 (10) 39.0
 
Jan. 12, 2022, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.7 μg/m3 (8) 39.0
 
Jan. 12, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
Jan. 11, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
Jan. 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.1 μg/m3 (26) 32.0
 
Jan. 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.3 μg/m3 (23) 32.0
 
Jan. 11, 2022, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 5.9 μg/m3 (25) 30.0
 
Jan. 11, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.4 μg/m3 (27) 30.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
Jan. 11, 2022, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
Jan. 10, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.7 μg/m3 (16) 34.0
 
Jan. 10, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
Jan. 10, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.4 μg/m3 (15) 36.0
 
Jan. 10, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.3 μg/m3 (10) 37.0
 
Jan. 10, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.8 μg/m3 (4) 38.0
 
Jan. 10, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Jan. 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Jan. 10, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 1.5 μg/m3 (7) 37.0
 
Jan. 10, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
Jan. 10, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.1 μg/m3 (18) 34.0
 
Jan. 10, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.3 μg/m3 (14) 33.0
 
Jan. 10, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 3.4 μg/m3 (15) 31.0
 
Jan. 10, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 2.2 μg/m3 (10) 32.0
 
Jan. 10, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.6 μg/m3 (3) 34.0
 
Jan. 10, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
Jan. 10, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 0.2 μg/m3 (1) 29.0
 
Jan. 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.2 μg/m3 (10) 30.0
 
Jan. 10, 2022, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.6 μg/m3 (7) 33.0
 
Jan. 9, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
Jan. 9, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.9 μg/m3 (13) 36.0
 
Jan. 9, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 6.5 μg/m3 (28) 36.0
 
Jan. 9, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
Jan. 6, 2022, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.1 μg/m3 (13) 37.0
 
Jan. 6, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 1.5 μg/m3 (7) 38.0
 
Jan. 6, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
Jan. 6, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
Jan. 6, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.6 μg/m3 (3) 39.0