ID: 1909

AQSQID: 530630021

Site Name: Spokane-Augusta Ave

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

Updated: March 8, 2021, 11:32 p.m.

Location: Spokane (Chief Garry Park), WA

Reporting: True, Located: True

Current AQI: 13.0

Spokane (Chief Garry Park) WA, US: 47.672501, -117.364899

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
March 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
March 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
March 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 2.0 μg/m3 (9) 17.0
 
March 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
March 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) 1.0 μg/m3 (5) 14.0
 
March 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
March 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
March 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
March 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
March 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
March 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
March 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
March 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
March 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
March 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
March 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
March 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
March 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 3.0 μg/m3 (13) 32.0
 
March 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 38.7 μg/m3 (36) 2.0 μg/m3 (9) 36.0
 
March 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.8 μg/m3 (29) 3.0 μg/m3 (13) 29.0
 
March 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 2.0 μg/m3 (9) 19.0
 
March 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
March 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
March 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
March 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (21) 2.0 μg/m3 (9) 21.0
 
March 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
March 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
March 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
March 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
March 7, 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) 3.0 μg/m3 (13) 13.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 51.8 μg/m3 (48) 1.0 μg/m3 (5) 48.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (23) 14.0 μg/m3 (55) 55.0
 
March 6, 2021, 8 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
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.9 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 13.0 μg/m3 (53) 53.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.7 μg/m3 (47) 15.0 μg/m3 (58) 58.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.6 μg/m3 (53) 16.0 μg/m3 (60) 60.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.2 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.4 μg/m3 (29) 1.0 μg/m3 (5) 29.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 30.6 μg/m3 (29) 1.0 μg/m3 (5) 29.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.8 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.6 μg/m3 (38) 5.0 μg/m3 (21) 38.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.2 μg/m3 (60) 6.0 μg/m3 (25) 60.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.8 μg/m3 (73) 5.0 μg/m3 (21) 73.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.1 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.7 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.3 μg/m3 (49) 10.0 μg/m3 (42) 49.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.1 μg/m3 (56) 16.0 μg/m3 (60) 60.0
 
March 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.5 μg/m3 (32) 18.0 μg/m3 (64) 64.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 16.0 μg/m3 (60) 60.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.5 μg/m3 (54) 15.0 μg/m3 (58) 58.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 160.2 μg/m3 (104) 20.0 μg/m3 (68) 104.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 150.4 μg/m3 (99) 14.0 μg/m3 (55) 99.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.2 μg/m3 (61) 9.0 μg/m3 (38) 61.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.7 μg/m3 (50) 7.0 μg/m3 (30) 50.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (22) 3.0 μg/m3 (13) 22.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.9 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.7 μg/m3 (37) 9.0 μg/m3 (38) 38.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.3 μg/m3 (48) 7.0 μg/m3 (30) 48.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.5 μg/m3 (48) 6.0 μg/m3 (25) 48.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.8 μg/m3 (46) 7.0 μg/m3 (30) 46.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.4 μg/m3 (38) 13.0 μg/m3 (53) 53.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.9 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.3 μg/m3 (42) 13.0 μg/m3 (53) 53.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.3 μg/m3 (62) 18.0 μg/m3 (64) 64.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 80.0 μg/m3 (64) 9.0 μg/m3 (38) 64.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.6 μg/m3 (68) 10.0 μg/m3 (42) 68.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.8 μg/m3 (64) 5.0 μg/m3 (21) 64.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 49.6 μg/m3 (46) 4.0 μg/m3 (17) 46.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (28) 3.0 μg/m3 (13) 28.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (30) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.4 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.9 μg/m3 (43) 13.0 μg/m3 (53) 53.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.5 μg/m3 (46) 13.0 μg/m3 (53) 53.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.2 μg/m3 (31) 17.0 μg/m3 (62) 62.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.4 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (28) 13.0 μg/m3 (53) 53.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 31.1 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 13.0 μg/m3 (53) 53.0
 
March 3, 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) 9.0 μg/m3 (38) 38.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.5 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.9 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 62.4 μg/m3 (55) 12.0 μg/m3 (50) 55.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.3 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.8 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (37) 7.0 μg/m3 (30) 37.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.4 μg/m3 (36) 5.0 μg/m3 (21) 36.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 4.0 μg/m3 (17) 30.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.2 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.7 μg/m3 (34) 4.0 μg/m3 (17) 34.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.4 μg/m3 (33) 5.0 μg/m3 (21) 33.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.6 μg/m3 (27) 3.0 μg/m3 (13) 27.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.6 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) -1.0 μg/m3 (0) 14.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 0.0 μg/m3 (0) 10.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
March 2, 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) 2.0 μg/m3 (9) 9.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (12) -2.0 μg/m3 (0) 12.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.1 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (27) 0.0 μg/m3 (0) 27.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (22) 1.0 μg/m3 (5) 22.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 3.0 μg/m3 (13) 27.0