ID: 2546

AQSQID: 530650005

Site Name: Colville-E 1st St

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

Updated: Feb. 28, 2021, 11:32 a.m.

Location: Colville (E 1st Ave), WA

Reporting: True, Located: True

Current AQI: 40.0

Colville (E 1st Ave) WA, US: 48.54469, -117.903222

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 9.2 μg/m3 (39) 39.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 9.6 μg/m3 (40) 40.0
 
Feb. 28, 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) 9.2 μg/m3 (39) 39.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 10.2 μg/m3 (43) 43.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 10.2 μg/m3 (43) 43.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 10.0 μg/m3 (42) 43.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 7.5 μg/m3 (32) 38.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 101.0 μg/m3 (74) 11.9 μg/m3 (50) 74.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 146.0 μg/m3 (97) 15.0 μg/m3 (58) 97.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 2.0 μg/m3 (9) 22.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 1.9 μg/m3 (8) 21.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 2.1 μg/m3 (9) 24.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 2.7 μg/m3 (12) 38.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 2.0 μg/m3 (9) 30.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 6.3 μg/m3 (27) 45.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 2.3 μg/m3 (10) 40.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.0 μg/m3 (69) 2.6 μg/m3 (11) 69.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) 2.2 μg/m3 (10) 53.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 7.1 μg/m3 (30) 30.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 9.4 μg/m3 (40) 40.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 15.5 μg/m3 (59) 59.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 4.6 μg/m3 (20) 20.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 6.2 μg/m3 (26) 26.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 6.8 μg/m3 (29) 29.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 10.9 μg/m3 (46) 46.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 5.1 μg/m3 (22) 35.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 7.4 μg/m3 (31) 55.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (81) 10.6 μg/m3 (45) 81.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 131.0 μg/m3 (89) 7.0 μg/m3 (30) 89.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 3.5 μg/m3 (15) 52.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 2.8 μg/m3 (12) 52.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 2.3 μg/m3 (10) 40.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.0 μg/m3 (44) 2.5 μg/m3 (11) 44.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) 3.4 μg/m3 (15) 56.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 2.5 μg/m3 (11) 32.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.6 μg/m3 (7) 16.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 2.2 μg/m3 (10) 14.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.7 μg/m3 (12) 12.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 5.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.8 μg/m3 (4) 6.0
 
Feb. 26, 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) 0.7 μg/m3 (3) 5.0
 
Feb. 26, 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) 0.8 μg/m3 (4) 4.0
 
Feb. 26, 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) 1.6 μg/m3 (7) 7.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.5 μg/m3 (7) 7.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
Feb. 26, 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) 1.3 μg/m3 (6) 6.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.6 μg/m3 (7) 11.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 1.3 μg/m3 (6) 14.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.2 μg/m3 (5) 9.0
 
Feb. 25, 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) 1.4 μg/m3 (6) 6.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.6 μg/m3 (7) 7.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 11.0
 
Feb. 25, 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) 1.9 μg/m3 (8) 8.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 2.9 μg/m3 (13) 13.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
Feb. 25, 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) 1.7 μg/m3 (8) 8.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.6 μg/m3 (7) 16.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 2.9 μg/m3 (13) 13.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 11.1 μg/m3 (47) 47.0
 
Feb. 25, 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) 8.7 μg/m3 (37) 37.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.2 μg/m3 (31) 31.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 4.7 μg/m3 (20) 22.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 3.2 μg/m3 (14) 52.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 3.4 μg/m3 (15) 47.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (76) 5.2 μg/m3 (22) 76.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) 2.6 μg/m3 (11) 53.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 2.7 μg/m3 (12) 50.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 2.5 μg/m3 (11) 37.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 2.3 μg/m3 (10) 30.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 2.7 μg/m3 (12) 27.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 3.2 μg/m3 (14) 37.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 7.4 μg/m3 (31) 45.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) 8.9 μg/m3 (38) 56.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.0 μg/m3 (55) 10.6 μg/m3 (45) 55.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (65) 14.7 μg/m3 (57) 65.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.0 μg/m3 (51) 13.9 μg/m3 (55) 55.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 19.5 μg/m3 (67) 67.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 17.2 μg/m3 (62) 62.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 18.9 μg/m3 (66) 66.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 13.8 μg/m3 (55) 55.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 18.1 μg/m3 (64) 64.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 19.5 μg/m3 (67) 67.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 24.5 μg/m3 (78) 78.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (63) 15.3 μg/m3 (58) 63.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.0 μg/m3 (67) 20.7 μg/m3 (70) 70.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) 10.2 μg/m3 (43) 61.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 5.5 μg/m3 (23) 43.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (62) 4.8 μg/m3 (20) 62.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 2.6 μg/m3 (11) 37.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) 2.7 μg/m3 (12) 52.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) 3.0 μg/m3 (13) 46.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 2.7 μg/m3 (12) 38.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 2.9 μg/m3 (13) 53.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.0 μg/m3 (50) 3.0 μg/m3 (13) 50.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.0 μg/m3 (58) 4.6 μg/m3 (20) 58.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 4.1 μg/m3 (18) 49.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.0 μg/m3 (68) 7.0 μg/m3 (30) 68.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 98.0 μg/m3 (73) 13.6 μg/m3 (55) 73.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.0 μg/m3 (47) 15.0 μg/m3 (58) 58.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 9.9 μg/m3 (42) 42.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.5 μg/m3 (28) 28.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 2.4 μg/m3 (10) 10.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.5 μg/m3 (32) 32.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
Feb. 23, 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) 1.7 μg/m3 (8) 8.0
 
Feb. 23, 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) 1.1 μg/m3 (5) 8.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 1.2 μg/m3 (5) 9.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 1.1 μg/m3 (5) 23.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.3 μg/m3 (6) 16.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 1.6 μg/m3 (7) 18.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 1.2 μg/m3 (5) 18.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 1.6 μg/m3 (7) 21.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 1.5 μg/m3 (7) 21.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 1.4 μg/m3 (6) 11.0
 
Feb. 22, 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) 1.2 μg/m3 (5) 7.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.5 μg/m3 (11) 11.0
 
Feb. 22, 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) 1.8 μg/m3 (8) 8.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
Feb. 22, 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) 0.8 μg/m3 (4) 4.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.1 μg/m3 (13) 13.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 5.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.4 μg/m3 (6) 6.0
 
Feb. 22, 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) 1.3 μg/m3 (6) 6.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.2 μg/m3 (5) 5.0
 
Feb. 22, 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) 1.3 μg/m3 (6) 6.0
 
Feb. 22, 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) 1.4 μg/m3 (6) 6.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 2.5 μg/m3 (11) 11.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 5.1 μg/m3 (22) 22.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.7 μg/m3 (12) 12.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 2.6 μg/m3 (11) 11.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.5 μg/m3 (7) 7.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 5.0
 
Feb. 21, 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) 1.3 μg/m3 (6) 6.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.4 μg/m3 (6) 6.0
 
Feb. 21, 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) 1.7 μg/m3 (8) 8.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
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) 12.0 μg/m3 (50) 50.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 13.3 μg/m3 (54) 54.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 10.1 μg/m3 (43) 43.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 10.8 μg/m3 (46) 46.0