ID: 9714

AQSQID: 320032003

Site Name: Walnut Rec.

Added: May 22, 2021, 5:41 a.m.

Updated: Sept. 22, 2021, 6:58 a.m.

Location: Las Vegas (Sunrise Manor), NV

Reporting: True, Located: True

Current AQI: 50.0

Las Vegas (Sunrise Manor) NV, US: 36.214465, -115.091437

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2021, 5 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 5.0 ppb (5) 0.55 ppb (7) 54.0 μg/m3 (50) 11.3 μg/m3 (48) 50.0
 
Sept. 22, 2021, 4 a.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 ppb (5) 0.49 ppb (6) 44.0 μg/m3 (41) 11.6 μg/m3 (49) 49.0
 
Sept. 22, 2021, 3 a.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 10.0 ppb (10) 0.46 ppb (6) 45.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Sept. 22, 2021, 2 a.m. N/A N/A N/A 24.0 ppb (23) N/A N/A 29.0 ppb (27) 0.31 ppb (4) 28.0 μg/m3 (26) 8.4 μg/m3 (36) 36.0
 
Sept. 22, 2021, 1 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 46.0 ppb (43) 0.17 ppb (3) 23.0 μg/m3 (22) 6.9 μg/m3 (29) 43.0
 
Sept. 22, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.13 ppb (2) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 50.0
 
Sept. 21, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.13 ppb (2) 17.0 μg/m3 (16) 5.4 μg/m3 (23) 50.0
 
Sept. 21, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 52.0 ppb (49) 0.14 ppb (2) 17.0 μg/m3 (16) 4.5 μg/m3 (19) 49.0
 
Sept. 21, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.15 ppb (2) 19.0 μg/m3 (18) 3.5 μg/m3 (15) 47.0
 
Sept. 21, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) N/A 14.0 μg/m3 (13) 2.5 μg/m3 (11) 47.0
 
Sept. 21, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.13 ppb (2) 15.0 μg/m3 (14) 2.2 μg/m3 (10) 45.0
 
Sept. 21, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.13 ppb (2) 20.0 μg/m3 (19) 2.8 μg/m3 (12) 41.0
 
Sept. 21, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) 0.15 ppb (2) 24.0 μg/m3 (23) 3.3 μg/m3 (14) 36.0
 
Sept. 21, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.17 ppb (3) 26.0 μg/m3 (25) 3.7 μg/m3 (16) 30.0
 
Sept. 21, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 21.0 ppb (20) 0.29 ppb (4) 39.0 μg/m3 (37) 5.6 μg/m3 (24) 37.0
 
Sept. 21, 2021, 2 p.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 8.0 ppb (8) 0.49 ppb (6) 58.0 μg/m3 (53) 7.8 μg/m3 (33) 53.0
 
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.5 ppb (6) 98.0 μg/m3 (73) 11.7 μg/m3 (49) 73.0
 
Sept. 21, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A N/A 3.0 ppb (3) 0.33 ppb (4) 39.0 μg/m3 (37) 8.5 μg/m3 (36) 37.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 0.2 ppb (3) 25.0 μg/m3 (24) 5.4 μg/m3 (23) 24.0
 
Sept. 21, 2021, 10 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 17.0 ppb (16) 0.16 ppb (3) 23.0 μg/m3 (22) 5.1 μg/m3 (22) 22.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) 0.19 ppb (3) 21.0 μg/m3 (20) 5.5 μg/m3 (23) 23.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A N/A 0.16 ppb (3) 19.0 μg/m3 (18) 3.8 μg/m3 (16) 18.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 28.0 ppb (26) 0.13 ppb (2) 21.0 μg/m3 (20) 3.6 μg/m3 (16) 26.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.12 ppb (2) 15.0 μg/m3 (14) 3.1 μg/m3 (13) 30.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) 0.44 ppb (5) 24.0 μg/m3 (23) 4.6 μg/m3 (20) 23.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 18.0 ppb (17) 0.26 ppb (4) 29.0 μg/m3 (27) 5.9 μg/m3 (25) 27.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 27.0 ppb (25) 0.23 ppb (3) 24.0 μg/m3 (23) 4.9 μg/m3 (21) 25.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.18 ppb (3) 23.0 μg/m3 (22) 4.5 μg/m3 (19) 33.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 44.0 ppb (41) 0.13 ppb (2) 18.0 μg/m3 (17) 4.3 μg/m3 (18) 41.0
 
Sept. 21, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.12 ppb (2) 22.0 μg/m3 (21) 4.4 μg/m3 (19) 44.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.12 ppb (2) 23.0 μg/m3 (22) 4.8 μg/m3 (20) 44.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.14 ppb (2) 26.0 μg/m3 (25) 5.4 μg/m3 (23) 42.0
 
Sept. 20, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.12 ppb (2) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 42.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.11 ppb (2) 42.0 μg/m3 (39) 6.9 μg/m3 (29) 41.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.12 ppb (2) 45.0 μg/m3 (42) 7.1 μg/m3 (30) 42.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.12 ppb (2) 65.0 μg/m3 (56) 8.9 μg/m3 (38) 56.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.13 ppb (2) 51.0 μg/m3 (48) 9.1 μg/m3 (38) 48.0
 
Sept. 20, 2021, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 37.0 ppb (35) 0.16 ppb (3) 83.0 μg/m3 (65) 10.7 μg/m3 (45) 65.0
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.14 ppb (2) 65.0 μg/m3 (56) 9.1 μg/m3 (38) 56.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 27.0 ppb (25) 0.18 ppb (3) 70.0 μg/m3 (59) 11.2 μg/m3 (47) 59.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.13 ppb (2) 65.0 μg/m3 (56) 10.8 μg/m3 (46) 56.0
 
Sept. 20, 2021, noon N/A N/A N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.14 ppb (2) 64.0 μg/m3 (56) 10.6 μg/m3 (45) 56.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) 0.14 ppb (2) 78.0 μg/m3 (63) 15.9 μg/m3 (59) 63.0
 
Sept. 20, 2021, 10 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.18 ppb (3) 91.0 μg/m3 (69) 32.1 μg/m3 (94) 94.0
 
Sept. 20, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 37.0 ppb (35) 0.21 ppb (3) 76.0 μg/m3 (62) 32.2 μg/m3 (94) 94.0
 
Sept. 20, 2021, 8 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.27 ppb (4) 73.0 μg/m3 (60) 23.0 μg/m3 (74) 74.0
 
Sept. 20, 2021, 7 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 27.0 ppb (25) 0.22 ppb (3) 66.0 μg/m3 (57) 11.5 μg/m3 (48) 57.0
 
Sept. 20, 2021, 6 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) 0.24 ppb (3) 66.0 μg/m3 (57) 10.4 μg/m3 (44) 57.0
 
Sept. 20, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) 0.28 ppb (4) 76.0 μg/m3 (62) 13.8 μg/m3 (55) 62.0
 
Sept. 20, 2021, 4 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 29.0 ppb (27) 0.25 ppb (3) 68.0 μg/m3 (58) 12.1 μg/m3 (51) 58.0
 
Sept. 20, 2021, 3 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 38.0 ppb (36) 0.19 ppb (3) 82.0 μg/m3 (65) 14.2 μg/m3 (56) 65.0
 
Sept. 20, 2021, 2 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 39.0 ppb (37) 0.17 ppb (3) 66.0 μg/m3 (57) 8.2 μg/m3 (35) 57.0
 
Sept. 20, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) 0.17 ppb (3) 50.0 μg/m3 (47) 9.5 μg/m3 (40) 47.0
 
Sept. 20, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 54.0 ppb (50) 0.15 ppb (2) 52.0 μg/m3 (49) 11.1 μg/m3 (47) 50.0
 
Sept. 19, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) 0.17 ppb (3) 51.0 μg/m3 (48) 10.8 μg/m3 (46) 51.0
 
Sept. 19, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 55.0 ppb (51) 0.15 ppb (2) 42.0 μg/m3 (39) 9.7 μg/m3 (41) 51.0
 
Sept. 19, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.13 ppb (2) 39.0 μg/m3 (37) 7.1 μg/m3 (30) 50.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) 0.11 ppb (2) N/A 5.2 μg/m3 (22) 50.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 53.0 ppb (50) 0.11 ppb (2) 118.0 μg/m3 (83) 9.7 μg/m3 (41) 83.0
 
Sept. 19, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.1 ppb (2) 32.0 μg/m3 (30) 5.8 μg/m3 (25) 49.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.1 ppb (2) 35.0 μg/m3 (33) 6.4 μg/m3 (27) 49.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 50.0 ppb (47) 0.13 ppb (2) 32.0 μg/m3 (30) 6.8 μg/m3 (29) 47.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 42.0 ppb (39) 0.15 ppb (2) 37.0 μg/m3 (35) 6.4 μg/m3 (27) 39.0
 
Sept. 19, 2021, 2 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 34.0 μg/m3 (32) 6.3 μg/m3 (27) 32.0
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 41.0 ppb (38) 0.14 ppb (2) 31.0 μg/m3 (29) 6.1 μg/m3 (26) 38.0
 
Sept. 19, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A N/A 43.0 ppb (40) 0.13 ppb (2) 26.0 μg/m3 (25) 5.9 μg/m3 (25) 40.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.15 ppb (2) 24.0 μg/m3 (23) 5.8 μg/m3 (25) 37.0
 
Sept. 19, 2021, 10 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.16 ppb (3) 25.0 μg/m3 (24) 6.1 μg/m3 (26) 27.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 28.0 μg/m3 (26) 6.2 μg/m3 (26) 33.0
 
Sept. 19, 2021, 8 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.12 ppb (2) 23.0 μg/m3 (22) 5.5 μg/m3 (23) 43.0
 
Sept. 19, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.17 ppb (3) 27.0 μg/m3 (25) 5.6 μg/m3 (24) 33.0
 
Sept. 19, 2021, 6 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 14.0 ppb (13) 0.47 ppb (6) 42.0 μg/m3 (39) 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2021, 5 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.5 ppb (6) 44.0 μg/m3 (41) 9.6 μg/m3 (40) 41.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 15.0 ppb (14) 0.41 ppb (5) 44.0 μg/m3 (41) 11.2 μg/m3 (47) 47.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 29.0 ppb (27) 0.27 ppb (4) 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 42.0 ppb (39) 0.16 ppb (3) 22.0 μg/m3 (21) 5.7 μg/m3 (24) 39.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.13 ppb (2) 30.0 μg/m3 (28) 5.7 μg/m3 (24) 43.0
 
Sept. 19, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.1 ppb (2) 33.0 μg/m3 (31) 5.6 μg/m3 (24) 44.0
 
Sept. 18, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.11 ppb (2) 48.0 μg/m3 (45) 6.3 μg/m3 (27) 45.0
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 45.0 ppb (42) 0.1 ppb (2) 24.0 μg/m3 (23) 5.1 μg/m3 (22) 42.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.09 ppb (2) 23.0 μg/m3 (22) 5.5 μg/m3 (23) 43.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.12 ppb (2) 32.0 μg/m3 (30) 8.2 μg/m3 (35) 45.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 48.0 ppb (45) 0.09 ppb (2) 28.0 μg/m3 (26) 8.8 μg/m3 (37) 45.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 46.0 ppb (43) 0.09 ppb (2) 31.0 μg/m3 (29) 8.7 μg/m3 (37) 43.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.13 ppb (2) 34.0 μg/m3 (32) 10.1 μg/m3 (43) 43.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 37.0 ppb (35) 0.24 ppb (3) 43.0 μg/m3 (40) 12.1 μg/m3 (51) 51.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 19.0 ppb (18) 0.33 ppb (4) 49.0 μg/m3 (46) 12.9 μg/m3 (53) 53.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 5.0 ppb (5) 0.46 ppb (6) 61.0 μg/m3 (54) 14.2 μg/m3 (56) 56.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 1.0 ppb (1) 0.37 ppb (5) 48.0 μg/m3 (45) 13.9 μg/m3 (55) 55.0
 
Sept. 18, 2021, noon N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.36 ppb (5) 61.0 μg/m3 (54) 16.4 μg/m3 (61) 61.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.28 ppb (4) 47.0 μg/m3 (44) 14.2 μg/m3 (56) 56.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.27 ppb (4) 60.0 μg/m3 (54) 15.1 μg/m3 (58) 58.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.25 ppb (3) 40.0 μg/m3 (38) 12.2 μg/m3 (52) 52.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 18.0 ppb (17) 0.21 ppb (3) 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 11.0 ppb (11) 0.29 ppb (4) 36.0 μg/m3 (34) 11.2 μg/m3 (47) 47.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 28.0 ppb (26) 0.2 ppb (3) 38.0 μg/m3 (36) 10.8 μg/m3 (46) 46.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 25.0 μg/m3 (24) 9.2 μg/m3 (39) 39.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.14 ppb (2) 24.0 μg/m3 (23) 8.9 μg/m3 (38) 38.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.12 ppb (2) 20.0 μg/m3 (19) 8.7 μg/m3 (37) 38.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.16 ppb (3) 20.0 μg/m3 (19) 8.1 μg/m3 (34) 38.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.13 ppb (2) 20.0 μg/m3 (19) 8.1 μg/m3 (34) 42.0
 
Sept. 18, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) 0.11 ppb (2) 19.0 μg/m3 (18) 7.7 μg/m3 (33) 48.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 54.0 ppb (50) 0.13 ppb (2) 23.0 μg/m3 (22) 7.1 μg/m3 (30) 50.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 55.0 ppb (51) 0.13 ppb (2) 26.0 μg/m3 (25) 7.5 μg/m3 (32) 51.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 57.0 ppb (58) 0.12 ppb (2) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 58.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 52.0 ppb (49) 0.12 ppb (2) 22.0 μg/m3 (21) 7.4 μg/m3 (31) 49.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 47.0 ppb (44) 0.12 ppb (2) 21.0 μg/m3 (20) 7.1 μg/m3 (30) 44.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.15 ppb (2) 33.0 μg/m3 (31) 8.0 μg/m3 (34) 44.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 25.0 ppb (24) 0.34 ppb (4) 85.0 μg/m3 (66) 11.4 μg/m3 (48) 66.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 20.0 ppb (19) 0.33 ppb (4) 71.0 μg/m3 (59) 10.5 μg/m3 (44) 59.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 14.0 ppb (13) 0.35 ppb (4) 69.0 μg/m3 (58) 11.0 μg/m3 (46) 58.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 8.0 ppb (8) 0.48 ppb (6) 75.0 μg/m3 (61) 11.8 μg/m3 (50) 61.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 1.0 ppb (1) 0.4 ppb (5) 52.0 μg/m3 (49) 9.7 μg/m3 (41) 49.0
 
Sept. 17, 2021, noon N/A N/A N/A 29.0 ppb (28) N/A N/A 6.0 ppb (6) 0.28 ppb (4) 33.0 μg/m3 (31) 8.2 μg/m3 (35) 35.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) 0.25 ppb (3) 41.0 μg/m3 (38) 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) 0.2 ppb (3) 32.0 μg/m3 (30) 8.6 μg/m3 (36) 36.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) 0.19 ppb (3) 32.0 μg/m3 (30) 7.9 μg/m3 (33) 33.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) 0.29 ppb (4) 53.0 μg/m3 (50) 10.7 μg/m3 (45) 50.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.33 ppb (4) 48.0 μg/m3 (45) 10.2 μg/m3 (43) 45.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A 23.0 ppb (22) N/A N/A 21.0 ppb (20) 0.34 ppb (4) 35.0 μg/m3 (33) 7.0 μg/m3 (30) 33.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 27.0 ppb (25) 0.41 ppb (5) 35.0 μg/m3 (33) 6.8 μg/m3 (29) 33.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A 35.0 ppb (34) N/A N/A 11.0 ppb (11) 0.77 ppb (10) 54.0 μg/m3 (50) 9.0 μg/m3 (38) 50.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 16.0 ppb (15) 0.43 ppb (5) 46.0 μg/m3 (43) 8.2 μg/m3 (35) 43.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 39.0 ppb (37) 0.24 ppb (3) 30.0 μg/m3 (28) 5.2 μg/m3 (22) 37.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 47.0 ppb (44) 0.15 ppb (2) 19.0 μg/m3 (18) 4.1 μg/m3 (18) 44.0
 
Sept. 17, 2021, midnight N/A N/A N/A 4.0 ppb (4) N/A N/A 51.0 ppb (48) 0.11 ppb (2) 14.0 μg/m3 (13) 3.2 μg/m3 (14) 48.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 52.0 ppb (49) 0.15 ppb (2) 21.0 μg/m3 (20) 3.9 μg/m3 (17) 49.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 52.0 ppb (49) 0.12 ppb (2) 27.0 μg/m3 (25) 4.5 μg/m3 (19) 49.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) 0.14 ppb (2) 34.0 μg/m3 (32) 5.6 μg/m3 (24) 50.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 59.0 ppb (65) 0.13 ppb (2) 31.0 μg/m3 (29) 7.3 μg/m3 (31) 65.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 74.0 ppb (103) 0.15 ppb (2) 40.0 μg/m3 (38) 10.7 μg/m3 (45) 103.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 68.0 ppb (94) 0.17 ppb (3) 44.0 μg/m3 (41) 11.2 μg/m3 (47) 94.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 55.0 ppb (51) 0.16 ppb (3) 38.0 μg/m3 (36) 9.1 μg/m3 (38) 51.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 47.0 ppb (44) 0.23 ppb (3) 52.0 μg/m3 (49) 11.0 μg/m3 (46) 49.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 23.0 ppb (22) 0.36 ppb (5) 98.0 μg/m3 (73) 15.4 μg/m3 (58) 73.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.71 ppb (8) 94.0 μg/m3 (71) 15.6 μg/m3 (59) 71.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A 37.0 ppb (35) N/A N/A 0.0 ppb (0) 0.68 ppb (8) 75.0 μg/m3 (61) 14.0 μg/m3 (55) 61.0
 
Sept. 16, 2021, noon N/A N/A N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 0.48 ppb (6) 44.0 μg/m3 (41) 11.3 μg/m3 (48) 48.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 0.34 ppb (4) 37.0 μg/m3 (35) 10.6 μg/m3 (45) 45.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 18.0 ppb (17) 0.24 ppb (3) 35.0 μg/m3 (33) 9.9 μg/m3 (42) 42.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 41.0 ppb (38) 0.15 ppb (2) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 38.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 42.0 ppb (39) 0.15 ppb (2) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 39.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 43.0 ppb (40) 0.18 ppb (3) 24.0 μg/m3 (23) 8.5 μg/m3 (36) 40.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 35.0 ppb (33) 0.24 ppb (3) 30.0 μg/m3 (28) 9.4 μg/m3 (40) 40.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 37.0 ppb (35) 0.25 ppb (3) 31.0 μg/m3 (29) 9.3 μg/m3 (39) 39.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 43.0 ppb (40) 0.22 ppb (3) 30.0 μg/m3 (28) 9.2 μg/m3 (39) 40.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 47.0 ppb (44) 0.19 ppb (3) 31.0 μg/m3 (29) 9.2 μg/m3 (39) 44.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 50.0 ppb (47) 0.16 ppb (3) 42.0 μg/m3 (39) 9.7 μg/m3 (41) 47.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 52.0 ppb (49) 0.15 ppb (2) 53.0 μg/m3 (50) 12.2 μg/m3 (52) 52.0
 
Sept. 16, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 55.0 ppb (51) 0.15 ppb (2) 34.0 μg/m3 (32) 13.5 μg/m3 (54) 54.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 61.0 ppb (71) 0.14 ppb (2) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 71.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 66.0 ppb (87) 0.15 ppb (2) 29.0 μg/m3 (27) 11.2 μg/m3 (47) 87.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 65.0 ppb (84) 0.13 ppb (2) 28.0 μg/m3 (26) 10.5 μg/m3 (44) 84.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 65.0 ppb (84) 0.15 ppb (2) 31.0 μg/m3 (29) 9.6 μg/m3 (40) 84.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 58.0 ppb (61) 0.16 ppb (3) 31.0 μg/m3 (29) 8.7 μg/m3 (37) 61.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 54.0 ppb (50) 0.18 ppb (3) 36.0 μg/m3 (34) 9.3 μg/m3 (39) 50.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 40.0 ppb (38) 0.2 ppb (3) 53.0 μg/m3 (50) 11.2 μg/m3 (47) 50.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 19.0 ppb (18) 0.31 ppb (4) 71.0 μg/m3 (59) 12.3 μg/m3 (52) 59.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 10.0 ppb (10) 0.43 ppb (5) 101.0 μg/m3 (74) 13.3 μg/m3 (54) 74.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) 0.44 ppb (5) 67.0 μg/m3 (57) 11.7 μg/m3 (49) 57.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 1.0 ppb (1) 0.33 ppb (4) 59.0 μg/m3 (53) 11.3 μg/m3 (48) 53.0
 
Sept. 15, 2021, noon N/A N/A N/A 30.0 ppb (29) N/A N/A 1.0 ppb (1) 0.31 ppb (4) 42.0 μg/m3 (39) 9.4 μg/m3 (40) 40.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 0.19 ppb (3) 28.0 μg/m3 (26) 9.3 μg/m3 (39) 39.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) 0.15 ppb (2) 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) 0.25 ppb (3) 24.0 μg/m3 (23) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.15 ppb (2) 20.0 μg/m3 (19) 5.7 μg/m3 (24) 24.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 18.0 ppb (17) 0.2 ppb (3) 26.0 μg/m3 (25) 7.9 μg/m3 (33) 33.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A 33.0 ppb (32) N/A N/A 10.0 ppb (10) 0.3 ppb (4) 34.0 μg/m3 (32) 10.9 μg/m3 (46) 46.0