ID: 2425

AQSQID: 300290009

Site Name: White Fish Dead End

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

Updated: March 5, 2021, 9:32 p.m.

Location: Whitefish (Hwy 93 S), MT

Reporting: True, Located: True

Current AQI: 64.0

Whitefish (Hwy 93 S) MT, US: 48.400523, -114.335973

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) N/A 1.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) N/A 31.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (73) N/A 73.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (71) N/A 71.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 138.0 μg/m3 (93) N/A 93.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) N/A 58.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) N/A 39.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) N/A 50.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) N/A 56.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (73) N/A 73.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) N/A 54.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) N/A 50.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) N/A 53.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 61.0 μg/m3 (54) N/A 54.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) N/A 49.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) N/A 53.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) N/A 50.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (74) N/A 74.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) N/A 48.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 107.0 μg/m3 (77) N/A 77.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.0 μg/m3 (68) N/A 68.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.0 μg/m3 (39) N/A 39.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) N/A 46.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) N/A 31.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) N/A 49.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) N/A 34.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) N/A 36.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) N/A 52.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) N/A 1.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A 0.0
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) N/A 1.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) N/A 2.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) N/A 3.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0