ID: 2121

AQSQID: 040128000

Site Name: Alamo Lake

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

Updated: Feb. 26, 2021, 3:32 p.m.

Location: Wenden (Cholla Rd), AZ

Reporting: True, Located: True

Current AQI: 25.0

Wenden (Cholla Rd) AZ, US: 34.243889, -113.558611

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 25.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 27.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 28.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 4.0 μg/m3 (17) 27.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 8.0 μg/m3 (8) 2.0 μg/m3 (9) 29.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 30.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 35.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 39.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 43.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 43.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 44.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 11.0 μg/m3 (11) 1.0 μg/m3 (5) 44.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 44.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 45.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 4.0 μg/m3 (17) 44.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 24.0 μg/m3 (23) 5.0 μg/m3 (21) 44.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) -1.0 μg/m3 (0) 44.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 17.0 μg/m3 (16) 0.0 μg/m3 (0) 43.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 42.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 40.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 40.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 18.0 μg/m3 (17) 3.0 μg/m3 (13) 41.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 27.0 μg/m3 (25) 6.0 μg/m3 (25) 41.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 40.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 23.0 μg/m3 (22) 3.0 μg/m3 (13) 41.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 34.0 μg/m3 (32) 5.0 μg/m3 (21) 41.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 45.0 μg/m3 (42) 7.0 μg/m3 (30) 42.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.0 μg/m3 (62) 7.0 μg/m3 (30) 62.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (60) 5.0 μg/m3 (21) 60.0
 
Feb. 25, 2021, 6 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, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Feb. 25, 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) 0.0 μg/m3 (0) 2.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) -2.0 μg/m3 (0) 0.0
Feb. 25, 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) -1.0 μg/m3 (0) 2.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
Feb. 24, 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) 0.0 μg/m3 (0) 7.0
 
Feb. 24, 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) -3.0 μg/m3 (0) 6.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
Feb. 24, 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) 1.0 μg/m3 (5) 7.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) -1.0 μg/m3 (0) 12.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) -1.0 μg/m3 (0) 11.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 26.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (9) 20.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 18.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 21.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 21.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 21.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 22.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 23.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 23.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 27.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 27.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 30.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 30.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 38.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 3.0 μg/m3 (3) 0.0 μg/m3 (0) 40.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 1.0 μg/m3 (1) -3.0 μg/m3 (0) 43.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 1.0 μg/m3 (1) -3.0 μg/m3 (0) 43.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 43.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 42.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A -3.0 μg/m3 (0) 41.0
 
Feb. 23, 2021, 8 p.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 (0) 39.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -1.0 μg/m3 (0) 30.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 22.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 19.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 12.0 μg/m3 (12) -1.0 μg/m3 (0) 17.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 18.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) -2.0 μg/m3 (0) 19.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 9.0 μg/m3 (9) -2.0 μg/m3 (0) 19.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 12.0 μg/m3 (12) 0.0 μg/m3 (0) 21.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 21.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 0.0 μg/m3 (0) 24.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 27.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 28.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 29.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 36.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) -1.0 μg/m3 (0) 40.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 41.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 42.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 44.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 44.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 43.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 41.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 40.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 39.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 38.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) -2.0 μg/m3 (0) 36.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 6.0 μg/m3 (6) -3.0 μg/m3 (0) 25.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 7.0 μg/m3 (7) 0.0 μg/m3 (0) 22.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 21.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (5) 23.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 22.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 22.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 24.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 26.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 7.0 μg/m3 (7) -2.0 μg/m3 (0) 30.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 31.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 36.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 38.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 7.0 μg/m3 (7) 1.0 μg/m3 (5) 38.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 0.0 μg/m3 (0) 39.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 11.0 μg/m3 (11) 0.0 μg/m3 (0) 40.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 42.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 44.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (9) 45.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (13) 45.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 43.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 42.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 3.0 μg/m3 (3) -2.0 μg/m3 (0) 41.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 39.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 38.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 38.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 2.0 μg/m3 (9) 33.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (5) 38.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 39.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 37.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 38.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 39.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 39.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 40.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 40.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 11.0 μg/m3 (11) 4.0 μg/m3 (17) 41.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 42.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 1.0 μg/m3 (5) 43.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 13.0 μg/m3 (13) 1.0 μg/m3 (5) 47.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 35.0 μg/m3 (33) 3.0 μg/m3 (13) 49.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 46.0 μg/m3 (43) 6.0 μg/m3 (25) 49.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 62.0 μg/m3 (55) 9.0 μg/m3 (38) 55.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 53.0 μg/m3 (50) 8.0 μg/m3 (34) 50.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 48.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 20.0 μg/m3 (19) 3.0 μg/m3 (13) 47.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 19.0 μg/m3 (18) 1.0 μg/m3 (5) 40.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 19.0 μg/m3 (18) -2.0 μg/m3 (0) 34.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) -1.0 μg/m3 (0) 33.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 1.0 μg/m3 (5) 27.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 22.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 19.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 6.0 μg/m3 (6) 1.0 μg/m3 (5) 20.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 6.0 μg/m3 (6) -1.0 μg/m3 (0) 24.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 22.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 25.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 3.0 μg/m3 (13) 26.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 2.0 μg/m3 (9) 29.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 32.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 11.0 μg/m3 (11) 5.0 μg/m3 (21) 32.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) -1.0 μg/m3 (0) 39.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A -2.0 μg/m3 (0) 41.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A -2.0 μg/m3 (0) 43.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 0.0 μg/m3 (0) 43.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.0 μg/m3 (5) 44.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.0 μg/m3 (5) 44.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.0 μg/m3 (9) 43.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
Feb. 19, 2021, 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 (0) 35.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -1.0 μg/m3 (0) 32.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.0 μg/m3 (5) 29.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 1.0 μg/m3 (5) 24.0