ID: 89

AQSQID: 040132001

Site Name: Glendale Community College

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

Updated: Feb. 26, 2021, 2:33 p.m.

Location: Glendale (The Citadel), AZ

Reporting: True, Located: True

Current AQI: 31.0

Glendale (The Citadel) AZ, US: 33.5694, -112.1915

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 32.9 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 11.5 μg/m3 (11) 2.5 μg/m3 (11) 11.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 12.5 μg/m3 (12) 4.9 μg/m3 (21) 21.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 12.7 μg/m3 (12) 4.4 μg/m3 (19) 19.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 8.9 μg/m3 (9) 2.0 μg/m3 (9) 20.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 10.0 μg/m3 (10) 3.3 μg/m3 (14) 25.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 16.7 μg/m3 (16) 4.1 μg/m3 (18) 28.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 17.0 μg/m3 (16) 3.8 μg/m3 (16) 23.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.3 μg/m3 (17) 1.6 μg/m3 (7) 26.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 17.9 μg/m3 (17) 2.5 μg/m3 (11) 24.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 16.4 μg/m3 (16) 2.6 μg/m3 (11) 33.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.7 μg/m3 (16) 1.6 μg/m3 (7) 37.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 16.1 μg/m3 (15) 2.6 μg/m3 (11) 40.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 14.9 μg/m3 (14) 2.1 μg/m3 (9) 45.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.1 μg/m3 (16) 1.9 μg/m3 (8) 46.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 17.7 μg/m3 (17) 2.3 μg/m3 (10) 46.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 19.0 μg/m3 (18) 1.3 μg/m3 (6) 48.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 26.3 μg/m3 (25) 3.1 μg/m3 (13) 44.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 26.7 μg/m3 (25) 3.9 μg/m3 (17) 40.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 29.7 μg/m3 (28) 2.8 μg/m3 (12) 38.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.1 μg/m3 (34) 4.1 μg/m3 (18) 34.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 22.4 μg/m3 (21) 2.9 μg/m3 (13) 27.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 20.5 μg/m3 (19) 3.8 μg/m3 (16) 25.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 20.8 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 20.8 μg/m3 (20) 8.9 μg/m3 (38) 38.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 22.0 μg/m3 (21) 10.3 μg/m3 (43) 43.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 22.2 μg/m3 (21) 10.3 μg/m3 (43) 43.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 27.1 μg/m3 (26) 13.3 μg/m3 (54) 54.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 27.6 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 25.2 μg/m3 (24) 9.6 μg/m3 (40) 40.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.3 μg/m3 (23) 6.5 μg/m3 (28) 28.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 27.1 μg/m3 (26) 8.9 μg/m3 (38) 38.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 29.2 μg/m3 (28) 7.4 μg/m3 (31) 31.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 15.5 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.1 μg/m3 (8) 0.8 μg/m3 (4) 37.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 9.5 μg/m3 (9) 1.5 μg/m3 (7) 46.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 10.9 μg/m3 (11) 1.6 μg/m3 (7) 45.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 11.8 μg/m3 (11) 2.7 μg/m3 (12) 43.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 18.0 μg/m3 (17) 4.3 μg/m3 (18) 39.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 21.0 μg/m3 (20) 6.8 μg/m3 (29) 38.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.8 μg/m3 (18) 3.3 μg/m3 (14) 34.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 21.6 μg/m3 (20) 6.7 μg/m3 (28) 31.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 25.3 μg/m3 (24) 6.9 μg/m3 (29) 29.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 35.8 μg/m3 (34) 9.6 μg/m3 (40) 40.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A 33.7 μg/m3 (32) 8.6 μg/m3 (36) 36.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 24.8 μg/m3 (23) 6.8 μg/m3 (29) 29.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.2 μg/m3 (17) 5.5 μg/m3 (23) 23.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 23.7 μg/m3 (22) 10.6 μg/m3 (45) 45.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 23.9 μg/m3 (23) 10.4 μg/m3 (44) 44.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 24.4 μg/m3 (23) 11.3 μg/m3 (48) 48.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 26.9 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 26.4 μg/m3 (25) 13.3 μg/m3 (54) 54.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.3 μg/m3 (29) 11.4 μg/m3 (48) 48.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 28.8 μg/m3 (27) 8.9 μg/m3 (38) 38.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 22.7 μg/m3 (22) 7.2 μg/m3 (31) 31.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 17.9 μg/m3 (17) 3.3 μg/m3 (14) 17.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.2 μg/m3 (16) 3.2 μg/m3 (14) 26.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 16.4 μg/m3 (16) 4.3 μg/m3 (18) 38.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.6 μg/m3 (12) 4.3 μg/m3 (18) 44.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 13.9 μg/m3 (13) 4.9 μg/m3 (21) 48.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 17.7 μg/m3 (17) 3.8 μg/m3 (16) 44.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 25.6 μg/m3 (24) 6.5 μg/m3 (28) 40.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 20.1 μg/m3 (19) 5.5 μg/m3 (23) 38.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 16.1 μg/m3 (15) 3.3 μg/m3 (14) 34.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 19.0 μg/m3 (18) 5.9 μg/m3 (25) 29.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 22.7 μg/m3 (22) 6.7 μg/m3 (28) 28.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 29.6 μg/m3 (28) 8.3 μg/m3 (35) 35.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 32.3 μg/m3 (30) 10.4 μg/m3 (44) 44.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 30.2 μg/m3 (28) 9.8 μg/m3 (41) 41.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 24.1 μg/m3 (23) 7.2 μg/m3 (31) 31.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 16.2 μg/m3 (15) 5.1 μg/m3 (22) 22.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 15.1 μg/m3 (14) 4.4 μg/m3 (19) 19.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 17.8 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 23.4 μg/m3 (22) 9.5 μg/m3 (40) 40.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 20.0 μg/m3 (19) 6.9 μg/m3 (29) 29.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 25.3 μg/m3 (24) 11.2 μg/m3 (47) 47.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 36.0 μg/m3 (34) 14.4 μg/m3 (56) 56.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 37.9 μg/m3 (36) 14.2 μg/m3 (56) 56.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 33.9 μg/m3 (32) 9.6 μg/m3 (40) 40.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 29.3 μg/m3 (28) 5.2 μg/m3 (22) 28.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 28.2 μg/m3 (27) 4.0 μg/m3 (17) 27.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 19.6 μg/m3 (19) 1.8 μg/m3 (8) 31.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 9.6 μg/m3 (9) 2.3 μg/m3 (10) 41.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 10.3 μg/m3 (10) 3.0 μg/m3 (13) 42.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 14.6 μg/m3 (14) 5.3 μg/m3 (23) 43.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 11.1 μg/m3 (11) 2.1 μg/m3 (9) 43.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 12.7 μg/m3 (12) 2.7 μg/m3 (12) 41.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 17.2 μg/m3 (16) 3.4 μg/m3 (15) 37.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 23.8 μg/m3 (23) 5.4 μg/m3 (23) 32.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 18.3 μg/m3 (17) 3.0 μg/m3 (13) 24.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 20.7 μg/m3 (20) 4.1 μg/m3 (18) 22.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 23.7 μg/m3 (22) 4.5 μg/m3 (19) 22.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 17.3 μg/m3 (17) 2.8 μg/m3 (12) 17.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 10.3 μg/m3 (10) 1.6 μg/m3 (7) 10.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 7.1 μg/m3 (7) 0.7 μg/m3 (3) 8.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 8.6 μg/m3 (8) 2.4 μg/m3 (10) 13.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 10.1 μg/m3 (10) 3.5 μg/m3 (15) 18.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.4 μg/m3 (9) 2.5 μg/m3 (11) 20.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 10.7 μg/m3 (10) 2.7 μg/m3 (12) 20.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 19.2 μg/m3 (18) 8.2 μg/m3 (35) 35.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 16.3 μg/m3 (16) 7.2 μg/m3 (31) 31.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 15.5 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 16.6 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 12.8 μg/m3 (12) 3.2 μg/m3 (14) 21.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.0 μg/m3 (11) 2.9 μg/m3 (13) 30.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 3.7 μg/m3 (4) -1.1 μg/m3 (0) 38.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 2.9 μg/m3 (3) -1.0 μg/m3 (0) 45.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 1.7 μg/m3 (2) -1.4 μg/m3 (0) 46.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 11.4 μg/m3 (11) 2.0 μg/m3 (9) 46.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 4.9 μg/m3 (5) -0.3 μg/m3 (0) 44.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 1.2 μg/m3 (2) -0.5 μg/m3 (0) 44.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 1.3 μg/m3 (2) -0.2 μg/m3 (0) 42.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 0.9 μg/m3 (1) -0.4 μg/m3 (0) 40.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 4.6 μg/m3 (5) 1.8 μg/m3 (8) 38.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.1 μg/m3 (5) 2.0 μg/m3 (9) 37.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 4.2 μg/m3 (4) 0.1 μg/m3 (1) 36.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.7 μg/m3 (2) -0.5 μg/m3 (0) 36.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 4.2 μg/m3 (4) 1.6 μg/m3 (7) 37.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 5.1 μg/m3 (5) 1.1 μg/m3 (5) 37.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 5.3 μg/m3 (5) 1.4 μg/m3 (6) 22.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.4 μg/m3 (7) 2.4 μg/m3 (10) 26.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 9.9 μg/m3 (10) 3.2 μg/m3 (14) 25.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.5 μg/m3 (11) 3.6 μg/m3 (16) 30.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.9 μg/m3 (13) 3.1 μg/m3 (13) 33.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 5.3 μg/m3 (23) 34.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 28.7 μg/m3 (27) 6.0 μg/m3 (25) 37.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 34.3 μg/m3 (32) 6.4 μg/m3 (27) 41.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 49.1 μg/m3 (46) 9.5 μg/m3 (40) 46.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 92.9 μg/m3 (70) 14.8 μg/m3 (57) 70.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 61.3 μg/m3 (55) 9.7 μg/m3 (41) 55.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 35.0 μg/m3 (33) 5.5 μg/m3 (23) 49.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 49.6 μg/m3 (46) 5.2 μg/m3 (22) 47.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 70.4 μg/m3 (59) 4.5 μg/m3 (19) 59.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 29.0 μg/m3 (27) 5.1 μg/m3 (22) 49.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 24.1 μg/m3 (23) 6.3 μg/m3 (27) 46.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 26.3 μg/m3 (25) 9.3 μg/m3 (39) 39.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 26.9 μg/m3 (25) 8.0 μg/m3 (34) 35.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 38.7 μg/m3 (36) 12.0 μg/m3 (50) 50.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 33.5 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 21.5 μg/m3 (20) 6.8 μg/m3 (29) 29.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 13.9 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 12.3 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 16.7 μg/m3 (16) 4.9 μg/m3 (21) 21.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 9.4 μg/m3 (9) 2.8 μg/m3 (12) 20.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 11.2 μg/m3 (11) 2.9 μg/m3 (13) 25.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 16.3 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 17.3 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 21.4 μg/m3 (20) 9.8 μg/m3 (41) 41.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 37.6 μg/m3 (35) 20.4 μg/m3 (69) 69.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 43.0 μg/m3 (40) 24.3 μg/m3 (77) 77.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 31.4 μg/m3 (30) 14.4 μg/m3 (56) 56.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 28.3 μg/m3 (27) 11.7 μg/m3 (49) 49.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 22.1 μg/m3 (21) 5.6 μg/m3 (24) 24.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 11.6 μg/m3 (11) 3.4 μg/m3 (15) 36.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 8.3 μg/m3 (8) 2.5 μg/m3 (11) 43.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 7.9 μg/m3 (8) 2.5 μg/m3 (11) 45.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (27) 44.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 13.8 μg/m3 (13) 4.7 μg/m3 (20) 42.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 15.2 μg/m3 (15) 4.5 μg/m3 (19) 39.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 15.3 μg/m3 (15) 1.7 μg/m3 (8) 37.0
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 28.4 μg/m3 (27) 3.3 μg/m3 (14) 32.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 29.4 μg/m3 (28) 5.8 μg/m3 (25) 28.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 21.5 μg/m3 (20) 5.6 μg/m3 (24) 24.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 28.6 μg/m3 (27) 9.1 μg/m3 (38) 38.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 19.4 μg/m3 (18) 6.0 μg/m3 (25) 25.0